1 | /** |
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2 | * @file |
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3 | * |
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4 | * The following system calls are tested: select(), pselect(), poll(), kqueue() and pipe(). |
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5 | */ |
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6 | |
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7 | /* |
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8 | * Copyright (c) 2013, 2019 embedded brains GmbH. All rights reserved. |
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9 | * |
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10 | * embedded brains GmbH |
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11 | * Dornierstr. 4 |
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12 | * 82178 Puchheim |
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13 | * Germany |
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14 | * <rtems@embedded-brains.de> |
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15 | * |
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16 | * Redistribution and use in source and binary forms, with or without |
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17 | * modification, are permitted provided that the following conditions |
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18 | * are met: |
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19 | * 1. Redistributions of source code must retain the above copyright |
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20 | * notice, this list of conditions and the following disclaimer. |
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21 | * 2. Redistributions in binary form must reproduce the above copyright |
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22 | * notice, this list of conditions and the following disclaimer in the |
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23 | * documentation and/or other materials provided with the distribution. |
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24 | * |
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25 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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26 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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27 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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28 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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29 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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30 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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31 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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32 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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33 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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34 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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35 | * SUCH DAMAGE. |
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36 | */ |
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37 | |
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38 | #include <sys/param.h> |
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39 | #include <sys/types.h> |
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40 | #include <sys/event.h> |
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41 | #include <sys/filio.h> |
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42 | #include <sys/select.h> |
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43 | #include <sys/socket.h> |
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44 | #include <sys/stat.h> |
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45 | #include <sys/time.h> |
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46 | #include <arpa/inet.h> |
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47 | #include <netinet/in.h> |
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48 | #include <assert.h> |
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49 | #include <errno.h> |
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50 | #include <fcntl.h> |
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51 | #include <inttypes.h> |
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52 | #include <poll.h> |
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53 | #include <stdio.h> |
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54 | #include <stdlib.h> |
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55 | #include <string.h> |
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56 | #include <sysexits.h> |
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57 | #include <unistd.h> |
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58 | |
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59 | #include <machine/rtems-bsd-commands.h> |
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60 | |
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61 | #include <rtems/libcsupport.h> |
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62 | #include <rtems.h> |
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63 | |
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64 | #define TEST_NAME "LIBBSD SELECT AND POLL AND KQUEUE AND PIPE 1" |
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65 | |
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66 | #define PRIO_MASTER 1 |
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67 | |
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68 | #define PRIO_WORKER 2 |
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69 | |
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70 | #define EVENT_READ RTEMS_EVENT_0 |
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71 | |
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72 | #define EVENT_WRITE RTEMS_EVENT_1 |
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73 | |
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74 | #define EVENT_CONNECT RTEMS_EVENT_2 |
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75 | |
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76 | #define EVENT_CLOSE RTEMS_EVENT_3 |
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77 | |
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78 | #define EVENT_SHUTDOWN RTEMS_EVENT_4 |
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79 | |
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80 | #define EVENT_CLOSE_PIPE RTEMS_EVENT_5 |
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81 | |
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82 | #define BUF_SIZE 4096 |
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83 | |
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84 | #define PORT 1234 |
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85 | |
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86 | #define TEST_UDATA ((void *) 0xcafe) |
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87 | |
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88 | typedef struct { |
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89 | char buf[BUF_SIZE]; |
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90 | const char *wbuf; |
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91 | char *rbuf; |
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92 | size_t rn; |
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93 | size_t wn; |
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94 | int lfd; |
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95 | int cfd; |
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96 | int afd; |
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97 | int rfd; |
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98 | int wfd; |
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99 | int pfd[2]; |
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100 | struct sockaddr_in caddr; |
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101 | rtems_id worker_task; |
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102 | } test_context; |
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103 | |
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104 | static test_context test_instance = { |
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105 | .cfd = -1 |
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106 | }; |
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107 | |
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108 | static const char msg[] = "This is a message. One two three."; |
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109 | |
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110 | static void |
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111 | setup_lo0(void) |
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112 | { |
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113 | int exit_code; |
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114 | char *lo0[] = { |
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115 | "ifconfig", |
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116 | "lo0", |
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117 | "inet", |
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118 | "127.0.0.1", |
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119 | "netmask", |
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120 | "255.255.255.0", |
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121 | NULL |
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122 | }; |
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123 | |
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124 | exit_code = rtems_bsd_command_ifconfig(RTEMS_ARRAY_SIZE(lo0) - 1, lo0); |
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125 | assert(exit_code == EX_OK); |
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126 | } |
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127 | |
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128 | static void |
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129 | set_self_prio(rtems_task_priority prio) |
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130 | { |
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131 | rtems_status_code sc; |
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132 | |
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133 | sc = rtems_task_set_priority(RTEMS_SELF, prio, &prio); |
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134 | assert(sc == RTEMS_SUCCESSFUL); |
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135 | } |
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136 | |
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137 | static void |
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138 | create_server_socket(test_context *ctx) |
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139 | { |
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140 | struct sockaddr_in saddr; |
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141 | int rv; |
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142 | int lfd; |
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143 | |
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144 | lfd = socket(PF_INET, SOCK_STREAM, 0); |
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145 | assert(lfd >= 0); |
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146 | |
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147 | memset(&saddr, 0, sizeof(saddr)); |
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148 | saddr.sin_family = AF_INET; |
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149 | saddr.sin_port = htons(PORT); |
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150 | saddr.sin_addr.s_addr = htonl(INADDR_ANY); |
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151 | |
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152 | rv = bind(lfd, (const struct sockaddr *) &saddr, sizeof(saddr)); |
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153 | assert(rv == 0); |
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154 | |
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155 | rv = listen(lfd, 1); |
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156 | assert(rv == 0); |
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157 | |
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158 | ctx->lfd = lfd; |
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159 | } |
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160 | |
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161 | static void |
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162 | create_client_addr(test_context *ctx) |
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163 | { |
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164 | struct sockaddr_in *caddr = &ctx->caddr;; |
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165 | int ok; |
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166 | |
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167 | memset(caddr, 0, sizeof(*caddr)); |
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168 | caddr->sin_family = AF_INET; |
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169 | caddr->sin_port = htons(PORT); |
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170 | ok = inet_aton("127.0.0.1", &caddr->sin_addr); |
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171 | assert(ok != 0); |
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172 | } |
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173 | |
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174 | static void |
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175 | worker_task(rtems_task_argument arg) |
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176 | { |
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177 | test_context *ctx = (test_context *) arg; |
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178 | |
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179 | while (true) { |
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180 | rtems_status_code sc; |
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181 | rtems_event_set events; |
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182 | ssize_t n; |
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183 | int rv; |
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184 | int cfd = ctx->cfd; |
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185 | int rfd = ctx->pfd[0]; |
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186 | int wfd = ctx->pfd[1]; |
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187 | |
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188 | sc = rtems_event_receive( |
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189 | RTEMS_ALL_EVENTS, |
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190 | RTEMS_EVENT_ANY | RTEMS_WAIT, |
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191 | RTEMS_NO_TIMEOUT, |
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192 | &events |
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193 | ); |
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194 | assert(sc == RTEMS_SUCCESSFUL); |
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195 | |
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196 | if ((events & EVENT_READ) != 0) { |
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197 | puts("worker: read"); |
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198 | |
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199 | n = read(ctx->rfd, &ctx->rbuf[0], ctx->rn); |
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200 | assert(n == (ssize_t) ctx->rn); |
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201 | } |
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202 | |
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203 | if ((events & EVENT_WRITE) != 0) { |
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204 | puts("worker: write"); |
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205 | |
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206 | n = write(ctx->wfd, &ctx->wbuf[0], ctx->wn); |
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207 | assert(n == (ssize_t) ctx->wn); |
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208 | } |
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209 | |
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210 | if ((events & EVENT_CONNECT) != 0) { |
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211 | if (cfd >= 0) { |
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212 | puts("worker: close connect socket"); |
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213 | |
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214 | ctx->cfd = -1; |
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215 | |
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216 | rv = close(cfd); |
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217 | assert(rv == 0); |
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218 | |
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219 | cfd = -1; |
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220 | } |
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221 | |
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222 | if (cfd < 0) { |
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223 | puts("worker: create new connect socket"); |
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224 | |
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225 | cfd = socket(PF_INET, SOCK_STREAM, 0); |
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226 | assert(cfd >= 0); |
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227 | |
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228 | ctx->cfd = cfd; |
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229 | } |
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230 | |
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231 | puts("worker: connect"); |
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232 | |
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233 | rv = connect( |
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234 | cfd, |
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235 | (const struct sockaddr *) &ctx->caddr, |
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236 | sizeof(ctx->caddr) |
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237 | ); |
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238 | assert(rv == 0); |
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239 | } |
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240 | |
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241 | if ((events & EVENT_CLOSE) != 0) { |
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242 | puts("worker: close"); |
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243 | |
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244 | ctx->cfd = -1; |
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245 | |
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246 | rv = close(cfd); |
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247 | assert(rv == 0); |
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248 | } |
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249 | |
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250 | if ((events & EVENT_CLOSE_PIPE) != 0) { |
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251 | puts("worker: close pipe"); |
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252 | |
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253 | ctx->pfd[0] = -1; |
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254 | ctx->pfd[1] = -1; |
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255 | |
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256 | rv = close(wfd); |
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257 | assert(rv == 0); |
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258 | |
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259 | rv = close(rfd); |
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260 | assert(rv == 0); |
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261 | } |
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262 | |
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263 | if ((events & EVENT_SHUTDOWN) != 0) { |
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264 | puts("worker: shutdown"); |
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265 | |
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266 | rv = shutdown(cfd, SHUT_RDWR); |
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267 | assert(rv == 0); |
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268 | } |
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269 | } |
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270 | } |
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271 | |
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272 | static void |
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273 | send_events(test_context *ctx, rtems_event_set events) |
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274 | { |
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275 | rtems_status_code sc; |
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276 | |
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277 | sc = rtems_event_send(ctx->worker_task, events); |
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278 | assert(sc == RTEMS_SUCCESSFUL); |
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279 | } |
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280 | |
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281 | static void |
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282 | start_worker(test_context *ctx) |
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283 | { |
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284 | rtems_status_code sc; |
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285 | |
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286 | sc = rtems_task_create( |
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287 | rtems_build_name('W', 'O', 'R', 'K'), |
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288 | PRIO_WORKER, |
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289 | RTEMS_MINIMUM_STACK_SIZE, |
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290 | RTEMS_DEFAULT_MODES, |
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291 | RTEMS_FLOATING_POINT, |
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292 | &ctx->worker_task |
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293 | ); |
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294 | assert(sc == RTEMS_SUCCESSFUL); |
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295 | |
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296 | sc = rtems_task_start( |
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297 | ctx->worker_task, |
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298 | worker_task, |
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299 | (rtems_task_argument) ctx |
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300 | ); |
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301 | assert(sc == RTEMS_SUCCESSFUL); |
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302 | } |
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303 | |
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304 | static void |
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305 | set_non_blocking(int fd, int enable) |
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306 | { |
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307 | int rv; |
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308 | int flags = fcntl(fd, F_GETFL, 0); |
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309 | |
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310 | if (enable) { |
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311 | rv = fcntl(fd, F_SETFL, flags | O_NONBLOCK); |
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312 | } else { |
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313 | rv = fcntl(fd, F_SETFL, flags & ~O_NONBLOCK); |
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314 | } |
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315 | assert(rv == 0); |
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316 | } |
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317 | |
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318 | static void |
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319 | test_select_timeout(test_context *ctx) |
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320 | { |
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321 | struct timeval timeout = { |
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322 | .tv_sec = 0, |
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323 | .tv_usec = 100000 |
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324 | }; |
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325 | int fd = ctx->lfd; |
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326 | int nfds = fd + 1; |
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327 | struct fd_set set; |
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328 | int rv; |
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329 | int i; |
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330 | |
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331 | puts("test select timeout"); |
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332 | |
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333 | set_non_blocking(ctx->lfd, 0); |
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334 | |
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335 | FD_ZERO(&set); |
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336 | FD_SET(fd, &set); |
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337 | |
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338 | rv = select(nfds, &set, NULL, NULL, &timeout); |
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339 | assert(rv == 0); |
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340 | |
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341 | for (i = 0; i < nfds; ++i) { |
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342 | assert(!FD_ISSET(i, &set)); |
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343 | } |
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344 | |
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345 | rv = select(nfds, NULL, &set, NULL, &timeout); |
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346 | assert(rv == 0); |
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347 | |
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348 | for (i = 0; i < nfds; ++i) { |
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349 | assert(!FD_ISSET(i, &set)); |
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350 | } |
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351 | |
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352 | rv = select(nfds, NULL, NULL, &set, &timeout); |
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353 | assert(rv == 0); |
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354 | |
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355 | for (i = 0; i < nfds; ++i) { |
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356 | assert(!FD_ISSET(i, &set)); |
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357 | } |
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358 | } |
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359 | |
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360 | static void |
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361 | test_select_connect(test_context *ctx) |
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362 | { |
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363 | int lfd = ctx->lfd; |
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364 | int afd = ctx->afd; |
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365 | int nfds = lfd + 1; |
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366 | struct fd_set set; |
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367 | int rv; |
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368 | int i; |
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369 | |
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370 | puts("test select connect"); |
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371 | |
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372 | if (afd >= 0) { |
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373 | ctx->afd = -1; |
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374 | |
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375 | rv = close(afd); |
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376 | assert(rv == 0); |
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377 | } |
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378 | |
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379 | send_events(ctx, EVENT_CONNECT); |
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380 | |
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381 | set_non_blocking(lfd, 1); |
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382 | |
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383 | errno = 0; |
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384 | afd = accept(lfd, NULL, NULL); |
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385 | assert(afd == -1); |
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386 | assert(errno == EAGAIN); |
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387 | |
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388 | set_non_blocking(lfd, 0); |
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389 | |
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390 | FD_ZERO(&set); |
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391 | FD_SET(lfd, &set); |
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392 | |
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393 | rv = select(nfds, &set, NULL, NULL, NULL); |
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394 | assert(rv == 1); |
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395 | |
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396 | for (i = 0; i < nfds; ++i) { |
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397 | bool is_set_expected = i == lfd; |
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398 | bool is_set = FD_ISSET(i, &set); |
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399 | |
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400 | assert(is_set_expected == is_set); |
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401 | } |
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402 | |
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403 | afd = accept(lfd, NULL, NULL); |
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404 | assert(afd >= 0); |
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405 | |
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406 | ctx->afd = afd; |
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407 | } |
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408 | |
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409 | static void |
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410 | test_select_read(test_context *ctx) |
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411 | { |
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412 | int afd = ctx->afd; |
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413 | int cfd = ctx->cfd; |
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414 | int nfds = afd + 1; |
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415 | struct fd_set set; |
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416 | int rv; |
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417 | int i; |
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418 | ssize_t n; |
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419 | |
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420 | puts("test select read"); |
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421 | |
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422 | assert(afd >= 0); |
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423 | assert(cfd >= 0); |
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424 | |
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425 | ctx->wfd = cfd; |
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426 | ctx->wbuf = &msg[0]; |
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427 | ctx->wn = sizeof(msg); |
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428 | send_events(ctx, EVENT_WRITE); |
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429 | |
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430 | set_non_blocking(afd, 1); |
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431 | |
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432 | errno = 0; |
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433 | n = read(afd, &ctx->buf[0], sizeof(ctx->buf)); |
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434 | assert(n == -1); |
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435 | assert(errno == EAGAIN); |
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436 | |
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437 | FD_ZERO(&set); |
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438 | FD_SET(afd, &set); |
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439 | |
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440 | rv = select(nfds, &set, NULL, NULL, NULL); |
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441 | assert(rv == 1); |
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442 | |
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443 | for (i = 0; i < nfds; ++i) { |
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444 | bool is_set_expected = i == afd; |
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445 | bool is_set = FD_ISSET(i, &set); |
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446 | |
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447 | assert(is_set_expected == is_set); |
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448 | } |
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449 | |
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450 | n = read(afd, &ctx->buf[0], sizeof(ctx->buf)); |
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451 | assert(n == (ssize_t) sizeof(msg)); |
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452 | assert(memcmp(&msg[0], &ctx->buf[0], sizeof(msg)) == 0); |
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453 | } |
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454 | |
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455 | static void |
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456 | test_select_write(test_context *ctx) |
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457 | { |
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458 | int afd = ctx->afd; |
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459 | int cfd = ctx->cfd; |
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460 | int nfds = afd + 1; |
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461 | struct fd_set set; |
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462 | int rv; |
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463 | int i; |
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464 | ssize_t n; |
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465 | |
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466 | puts("test select write"); |
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467 | |
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468 | assert(afd >= 0); |
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469 | assert(cfd >= 0); |
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470 | |
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471 | ctx->rfd = cfd; |
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472 | ctx->rbuf = &ctx->buf[0]; |
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473 | ctx->rn = sizeof(ctx->buf); |
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474 | send_events(ctx, EVENT_READ); |
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475 | |
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476 | set_non_blocking(afd, 1); |
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477 | |
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478 | do { |
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479 | errno = 0; |
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480 | n = write(afd, &ctx->buf[0], sizeof(ctx->buf)); |
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481 | if (n == -1) { |
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482 | assert(errno == EAGAIN); |
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483 | } |
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484 | } while (n > 0); |
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485 | |
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486 | FD_ZERO(&set); |
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487 | FD_SET(afd, &set); |
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488 | |
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489 | rv = select(nfds, NULL, &set, NULL, NULL); |
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490 | assert(rv == 1); |
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491 | |
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492 | for (i = 0; i < nfds; ++i) { |
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493 | bool is_set_expected = i == afd; |
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494 | bool is_set = FD_ISSET(i, &set); |
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495 | |
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496 | assert(is_set_expected == is_set); |
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497 | } |
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498 | |
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499 | n = write(afd, &ctx->buf[0], 1); |
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500 | assert(n == 1); |
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501 | } |
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502 | |
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503 | static void |
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504 | test_select_close(test_context *ctx) |
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505 | { |
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506 | int cfd = ctx->cfd; |
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507 | int nfds = cfd + 1; |
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508 | struct fd_set set; |
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509 | int rv; |
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510 | |
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511 | puts("test select close"); |
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512 | |
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513 | assert(ctx->cfd >= 0); |
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514 | |
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515 | send_events(ctx, EVENT_CLOSE); |
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516 | |
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517 | assert(ctx->cfd >= 0); |
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518 | |
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519 | FD_ZERO(&set); |
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520 | FD_SET(cfd, &set); |
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521 | |
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522 | errno = 0; |
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523 | rv = select(nfds, NULL, NULL, &set, NULL); |
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524 | assert(rv == -1); |
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525 | assert(errno == EBADF); |
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526 | |
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527 | assert(ctx->cfd == -1); |
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528 | } |
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529 | |
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530 | static void |
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531 | test_pselect_sigmask(void) |
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532 | { |
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533 | int rv; |
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534 | sigset_t set; |
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535 | |
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536 | puts("test pselect sigmask"); |
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537 | |
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538 | sigemptyset(&set); |
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539 | errno = 0; |
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540 | rv = pselect(0, NULL, NULL, NULL, NULL, &set); |
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541 | assert(rv == -1); |
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542 | assert(errno == ENOSYS); |
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543 | } |
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544 | |
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545 | static void |
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546 | test_pselect_timeout(test_context *ctx) |
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547 | { |
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548 | struct timespec timeout = { |
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549 | .tv_sec = 0, |
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550 | .tv_nsec = 100000000 |
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551 | }; |
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552 | int fd = ctx->lfd; |
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553 | int nfds = fd + 1; |
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554 | struct fd_set set; |
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555 | int rv; |
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556 | int i; |
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557 | |
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558 | puts("test pselect timeout"); |
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559 | |
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560 | set_non_blocking(ctx->lfd, 0); |
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561 | |
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562 | FD_ZERO(&set); |
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563 | FD_SET(fd, &set); |
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564 | |
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565 | rv = pselect(nfds, &set, NULL, NULL, &timeout, NULL); |
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566 | assert(rv == 0); |
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567 | |
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568 | for (i = 0; i < nfds; ++i) { |
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569 | assert(!FD_ISSET(i, &set)); |
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570 | } |
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571 | |
---|
572 | rv = pselect(nfds, NULL, &set, NULL, &timeout, NULL); |
---|
573 | assert(rv == 0); |
---|
574 | |
---|
575 | for (i = 0; i < nfds; ++i) { |
---|
576 | assert(!FD_ISSET(i, &set)); |
---|
577 | } |
---|
578 | |
---|
579 | rv = pselect(nfds, NULL, NULL, &set, &timeout, NULL); |
---|
580 | assert(rv == 0); |
---|
581 | |
---|
582 | for (i = 0; i < nfds; ++i) { |
---|
583 | assert(!FD_ISSET(i, &set)); |
---|
584 | } |
---|
585 | } |
---|
586 | |
---|
587 | static void |
---|
588 | test_poll_timeout(test_context *ctx) |
---|
589 | { |
---|
590 | static const short events[] = { |
---|
591 | POLLIN, |
---|
592 | POLLPRI, |
---|
593 | POLLOUT, |
---|
594 | POLLRDNORM, |
---|
595 | POLLWRNORM, |
---|
596 | POLLRDBAND, |
---|
597 | POLLWRBAND |
---|
598 | }; |
---|
599 | |
---|
600 | int timeout = 100; |
---|
601 | struct pollfd pfd = { |
---|
602 | .fd = ctx->lfd |
---|
603 | }; |
---|
604 | size_t i; |
---|
605 | |
---|
606 | puts("test poll timeout"); |
---|
607 | |
---|
608 | for (i = 0; i < nitems(events); ++i) { |
---|
609 | int rv; |
---|
610 | |
---|
611 | pfd.events = events[i]; |
---|
612 | pfd.revents = 0; |
---|
613 | |
---|
614 | rv = poll(&pfd, 1, timeout); |
---|
615 | assert(rv == 0); |
---|
616 | } |
---|
617 | } |
---|
618 | |
---|
619 | static void |
---|
620 | test_poll_connect(test_context *ctx) |
---|
621 | { |
---|
622 | int lfd = ctx->lfd; |
---|
623 | int afd = ctx->afd; |
---|
624 | struct pollfd pfd = { |
---|
625 | .fd = lfd, |
---|
626 | .events = POLLIN |
---|
627 | }; |
---|
628 | int timeout = -1; |
---|
629 | int rv; |
---|
630 | |
---|
631 | puts("test poll connect"); |
---|
632 | |
---|
633 | if (afd >= 0) { |
---|
634 | ctx->afd = -1; |
---|
635 | |
---|
636 | rv = close(afd); |
---|
637 | assert(rv == 0); |
---|
638 | } |
---|
639 | |
---|
640 | send_events(ctx, EVENT_CONNECT); |
---|
641 | |
---|
642 | set_non_blocking(lfd, 1); |
---|
643 | |
---|
644 | errno = 0; |
---|
645 | afd = accept(lfd, NULL, NULL); |
---|
646 | assert(afd == -1); |
---|
647 | assert(errno == EAGAIN); |
---|
648 | |
---|
649 | set_non_blocking(lfd, 0); |
---|
650 | |
---|
651 | rv = poll(&pfd, 1, timeout); |
---|
652 | assert(rv == 1); |
---|
653 | assert(pfd.revents == POLLIN); |
---|
654 | |
---|
655 | afd = accept(lfd, NULL, NULL); |
---|
656 | assert(afd >= 0); |
---|
657 | |
---|
658 | ctx->afd = afd; |
---|
659 | } |
---|
660 | |
---|
661 | static void |
---|
662 | test_poll_read(test_context *ctx) |
---|
663 | { |
---|
664 | int afd = ctx->afd; |
---|
665 | int cfd = ctx->cfd; |
---|
666 | struct pollfd pfd = { |
---|
667 | .fd = afd, |
---|
668 | .events = POLLIN |
---|
669 | }; |
---|
670 | int timeout = -1; |
---|
671 | int rv; |
---|
672 | ssize_t n; |
---|
673 | |
---|
674 | puts("test poll read"); |
---|
675 | |
---|
676 | assert(afd >= 0); |
---|
677 | assert(cfd >= 0); |
---|
678 | |
---|
679 | ctx->wfd = cfd; |
---|
680 | ctx->wbuf = &msg[0]; |
---|
681 | ctx->wn = sizeof(msg); |
---|
682 | send_events(ctx, EVENT_WRITE); |
---|
683 | |
---|
684 | set_non_blocking(afd, 1); |
---|
685 | |
---|
686 | errno = 0; |
---|
687 | n = read(afd, &ctx->buf[0], sizeof(ctx->buf)); |
---|
688 | assert(n == -1); |
---|
689 | assert(errno == EAGAIN); |
---|
690 | |
---|
691 | rv = poll(&pfd, 1, timeout); |
---|
692 | assert(rv == 1); |
---|
693 | assert(pfd.revents == POLLIN); |
---|
694 | |
---|
695 | n = read(afd, &ctx->buf[0], sizeof(ctx->buf)); |
---|
696 | assert(n == (ssize_t) sizeof(msg)); |
---|
697 | assert(memcmp(&msg[0], &ctx->buf[0], sizeof(msg)) == 0); |
---|
698 | } |
---|
699 | |
---|
700 | static void |
---|
701 | test_poll_write(test_context *ctx) |
---|
702 | { |
---|
703 | int afd = ctx->afd; |
---|
704 | int cfd = ctx->cfd; |
---|
705 | struct pollfd pfd = { |
---|
706 | .fd = afd, |
---|
707 | .events = POLLOUT |
---|
708 | }; |
---|
709 | int timeout = -1; |
---|
710 | int rv; |
---|
711 | ssize_t n; |
---|
712 | |
---|
713 | puts("test poll write"); |
---|
714 | |
---|
715 | assert(afd >= 0); |
---|
716 | assert(cfd >= 0); |
---|
717 | |
---|
718 | ctx->rfd = cfd; |
---|
719 | ctx->rbuf = &ctx->buf[0]; |
---|
720 | ctx->rn = sizeof(ctx->buf); |
---|
721 | send_events(ctx, EVENT_READ); |
---|
722 | |
---|
723 | set_non_blocking(afd, 1); |
---|
724 | |
---|
725 | do { |
---|
726 | errno = 0; |
---|
727 | n = write(afd, &ctx->buf[0], sizeof(ctx->buf)); |
---|
728 | if (n == -1) { |
---|
729 | assert(errno == EAGAIN); |
---|
730 | } |
---|
731 | } while (n > 0); |
---|
732 | |
---|
733 | rv = poll(&pfd, 1, timeout); |
---|
734 | assert(rv == 1); |
---|
735 | assert(pfd.revents == POLLOUT); |
---|
736 | |
---|
737 | n = write(afd, &ctx->buf[0], 1); |
---|
738 | assert(n == 1); |
---|
739 | } |
---|
740 | |
---|
741 | static void |
---|
742 | test_poll_close(test_context *ctx) |
---|
743 | { |
---|
744 | int cfd = ctx->cfd; |
---|
745 | struct pollfd pfd = { |
---|
746 | .fd = cfd, |
---|
747 | .events = POLLRDBAND |
---|
748 | }; |
---|
749 | int timeout = -1; |
---|
750 | int rv; |
---|
751 | |
---|
752 | puts("test poll close"); |
---|
753 | |
---|
754 | assert(ctx->cfd >= 0); |
---|
755 | |
---|
756 | send_events(ctx, EVENT_CLOSE); |
---|
757 | |
---|
758 | assert(ctx->cfd >= 0); |
---|
759 | |
---|
760 | rv = poll(&pfd, 1, timeout); |
---|
761 | assert(rv == 1); |
---|
762 | assert(pfd.revents == POLLNVAL); |
---|
763 | |
---|
764 | assert(ctx->cfd == -1); |
---|
765 | } |
---|
766 | |
---|
767 | static void |
---|
768 | test_kqueue_timer(bool do_resource_check) |
---|
769 | { |
---|
770 | rtems_resource_snapshot snapshot; |
---|
771 | int kq; |
---|
772 | int rv; |
---|
773 | struct kevent change; |
---|
774 | int i; |
---|
775 | |
---|
776 | puts("test kqueue timer"); |
---|
777 | |
---|
778 | if (do_resource_check) { |
---|
779 | rtems_resource_snapshot_take(&snapshot); |
---|
780 | } |
---|
781 | |
---|
782 | kq = kqueue(); |
---|
783 | assert(kq >= 0); |
---|
784 | |
---|
785 | EV_SET(&change, 0xbeef, EVFILT_TIMER, EV_ADD | EV_ENABLE, 0, 100, |
---|
786 | TEST_UDATA); |
---|
787 | |
---|
788 | rv = kevent(kq, &change, 1, NULL, 0, NULL); |
---|
789 | assert(rv == 0); |
---|
790 | |
---|
791 | for (i = 0; i < 5; ++i) { |
---|
792 | struct kevent event; |
---|
793 | |
---|
794 | rv = kevent(kq, NULL, 0, &event, 1, NULL); |
---|
795 | assert(rv == 1); |
---|
796 | assert(event.ident == 0xbeef); |
---|
797 | assert(event.filter == EVFILT_TIMER); |
---|
798 | assert(event.flags == EV_CLEAR); |
---|
799 | assert(event.fflags == 0); |
---|
800 | assert(event.data == 1); |
---|
801 | assert(event.udata == TEST_UDATA); |
---|
802 | } |
---|
803 | |
---|
804 | rv = close(kq); |
---|
805 | assert(rv == 0); |
---|
806 | |
---|
807 | if (do_resource_check) { |
---|
808 | assert(rtems_resource_snapshot_check(&snapshot)); |
---|
809 | } |
---|
810 | } |
---|
811 | |
---|
812 | static void |
---|
813 | test_kqueue_connect(test_context *ctx) |
---|
814 | { |
---|
815 | int lfd = ctx->lfd; |
---|
816 | int afd = ctx->afd; |
---|
817 | int kq; |
---|
818 | struct kevent change; |
---|
819 | struct kevent event; |
---|
820 | const struct timespec *timeout = NULL; |
---|
821 | int rv; |
---|
822 | |
---|
823 | puts("test kqueue connect"); |
---|
824 | |
---|
825 | if (afd >= 0) { |
---|
826 | ctx->afd = -1; |
---|
827 | |
---|
828 | rv = close(afd); |
---|
829 | assert(rv == 0); |
---|
830 | } |
---|
831 | |
---|
832 | kq = kqueue(); |
---|
833 | assert(kq >= 0); |
---|
834 | |
---|
835 | EV_SET(&change, lfd, EVFILT_READ, EV_ADD | EV_ENABLE, 0, 0, |
---|
836 | TEST_UDATA); |
---|
837 | |
---|
838 | rv = kevent(kq, &change, 1, NULL, 0, timeout); |
---|
839 | assert(rv == 0); |
---|
840 | |
---|
841 | send_events(ctx, EVENT_CONNECT); |
---|
842 | |
---|
843 | set_non_blocking(lfd, 1); |
---|
844 | |
---|
845 | errno = 0; |
---|
846 | afd = accept(lfd, NULL, NULL); |
---|
847 | assert(afd == -1); |
---|
848 | assert(errno == EAGAIN); |
---|
849 | |
---|
850 | set_non_blocking(lfd, 0); |
---|
851 | |
---|
852 | rv = kevent(kq, NULL, 0, &event, 1, timeout); |
---|
853 | assert(rv == 1); |
---|
854 | assert(event.ident == lfd); |
---|
855 | assert(event.filter == EVFILT_READ); |
---|
856 | assert(event.flags == 0); |
---|
857 | assert(event.fflags == 0); |
---|
858 | assert(event.data == 1); |
---|
859 | assert(event.udata == TEST_UDATA); |
---|
860 | |
---|
861 | afd = accept(lfd, NULL, NULL); |
---|
862 | assert(afd >= 0); |
---|
863 | |
---|
864 | ctx->afd = afd; |
---|
865 | |
---|
866 | rv = close(kq); |
---|
867 | assert(rv == 0); |
---|
868 | } |
---|
869 | |
---|
870 | static void |
---|
871 | test_kqueue_read(test_context *ctx) |
---|
872 | { |
---|
873 | int afd = ctx->afd; |
---|
874 | int cfd = ctx->cfd; |
---|
875 | int kq; |
---|
876 | struct kevent change; |
---|
877 | struct kevent event; |
---|
878 | const struct timespec *timeout = NULL; |
---|
879 | int rv; |
---|
880 | ssize_t n; |
---|
881 | |
---|
882 | puts("test kqueue read"); |
---|
883 | |
---|
884 | assert(afd >= 0); |
---|
885 | assert(cfd >= 0); |
---|
886 | |
---|
887 | kq = kqueue(); |
---|
888 | assert(kq >= 0); |
---|
889 | |
---|
890 | EV_SET(&change, afd, EVFILT_READ, EV_ADD | EV_ENABLE, 0, 0, |
---|
891 | TEST_UDATA); |
---|
892 | |
---|
893 | rv = kevent(kq, &change, 1, NULL, 0, timeout); |
---|
894 | assert(rv == 0); |
---|
895 | |
---|
896 | ctx->wfd = cfd; |
---|
897 | ctx->wbuf = &msg[0]; |
---|
898 | ctx->wn = sizeof(msg); |
---|
899 | send_events(ctx, EVENT_WRITE); |
---|
900 | |
---|
901 | set_non_blocking(afd, 1); |
---|
902 | |
---|
903 | errno = 0; |
---|
904 | n = read(afd, &ctx->buf[0], sizeof(ctx->buf)); |
---|
905 | assert(n == -1); |
---|
906 | assert(errno == EAGAIN); |
---|
907 | |
---|
908 | rv = kevent(kq, NULL, 0, &event, 1, timeout); |
---|
909 | assert(rv == 1); |
---|
910 | assert(event.ident == afd); |
---|
911 | assert(event.filter == EVFILT_READ); |
---|
912 | assert(event.flags == 0); |
---|
913 | assert(event.fflags == 0); |
---|
914 | assert(event.data == sizeof(msg)); |
---|
915 | assert(event.udata == TEST_UDATA); |
---|
916 | |
---|
917 | n = read(afd, &ctx->buf[0], sizeof(ctx->buf)); |
---|
918 | assert(n == (ssize_t) sizeof(msg)); |
---|
919 | assert(memcmp(&msg[0], &ctx->buf[0], sizeof(msg)) == 0); |
---|
920 | |
---|
921 | rv = close(kq); |
---|
922 | assert(rv == 0); |
---|
923 | } |
---|
924 | |
---|
925 | static void |
---|
926 | test_kqueue_write(test_context *ctx) |
---|
927 | { |
---|
928 | int afd = ctx->afd; |
---|
929 | int cfd = ctx->cfd; |
---|
930 | int kq; |
---|
931 | struct kevent change; |
---|
932 | struct kevent event; |
---|
933 | const struct timespec *timeout = NULL; |
---|
934 | int rv; |
---|
935 | ssize_t n; |
---|
936 | |
---|
937 | puts("test kqueue write"); |
---|
938 | |
---|
939 | assert(afd >= 0); |
---|
940 | assert(cfd >= 0); |
---|
941 | |
---|
942 | kq = kqueue(); |
---|
943 | assert(kq >= 0); |
---|
944 | |
---|
945 | EV_SET(&change, afd, EVFILT_WRITE, EV_ADD | EV_ENABLE, 0, 0, |
---|
946 | TEST_UDATA); |
---|
947 | |
---|
948 | rv = kevent(kq, &change, 1, NULL, 0, timeout); |
---|
949 | assert(rv == 0); |
---|
950 | |
---|
951 | ctx->rfd = cfd; |
---|
952 | ctx->rbuf = &ctx->buf[0]; |
---|
953 | ctx->rn = sizeof(ctx->buf); |
---|
954 | send_events(ctx, EVENT_READ); |
---|
955 | |
---|
956 | set_non_blocking(afd, 1); |
---|
957 | |
---|
958 | do { |
---|
959 | errno = 0; |
---|
960 | n = write(afd, &ctx->buf[0], sizeof(ctx->buf)); |
---|
961 | if (n == -1) { |
---|
962 | assert(errno == EAGAIN); |
---|
963 | } |
---|
964 | } while (n > 0); |
---|
965 | |
---|
966 | rv = kevent(kq, NULL, 0, &event, 1, timeout); |
---|
967 | assert(rv == 1); |
---|
968 | assert(event.ident == afd); |
---|
969 | assert(event.filter == EVFILT_WRITE); |
---|
970 | assert(event.flags == 0); |
---|
971 | assert(event.fflags == 0); |
---|
972 | assert(event.data == 20428); |
---|
973 | assert(event.udata == TEST_UDATA); |
---|
974 | |
---|
975 | n = write(afd, &ctx->buf[0], 1); |
---|
976 | assert(n == 1); |
---|
977 | |
---|
978 | rv = close(kq); |
---|
979 | assert(rv == 0); |
---|
980 | } |
---|
981 | |
---|
982 | static void |
---|
983 | test_kqueue_close(test_context *ctx) |
---|
984 | { |
---|
985 | int cfd = ctx->cfd; |
---|
986 | int kq; |
---|
987 | struct kevent change; |
---|
988 | struct kevent event; |
---|
989 | const struct timespec *timeout = NULL; |
---|
990 | int rv; |
---|
991 | ssize_t n; |
---|
992 | mode_t canrecv = S_IRUSR | S_IRGRP | S_IROTH; |
---|
993 | mode_t cansend = S_IWUSR | S_IWGRP | S_IWOTH; |
---|
994 | struct stat st; |
---|
995 | |
---|
996 | puts("test kqueue close"); |
---|
997 | |
---|
998 | assert(ctx->cfd >= 0); |
---|
999 | |
---|
1000 | kq = kqueue(); |
---|
1001 | assert(kq >= 0); |
---|
1002 | |
---|
1003 | EV_SET(&change, cfd, EVFILT_READ, EV_ADD | EV_ENABLE, 0, 0, |
---|
1004 | TEST_UDATA); |
---|
1005 | |
---|
1006 | rv = kevent(kq, &change, 1, NULL, 0, timeout); |
---|
1007 | assert(rv == 0); |
---|
1008 | |
---|
1009 | set_non_blocking(cfd, 1); |
---|
1010 | |
---|
1011 | do { |
---|
1012 | errno = 0; |
---|
1013 | n = read(cfd, &ctx->buf[0], sizeof(ctx->buf)); |
---|
1014 | if (n == -1) { |
---|
1015 | assert(errno == EAGAIN); |
---|
1016 | } |
---|
1017 | } while (n > 0); |
---|
1018 | |
---|
1019 | /* |
---|
1020 | * It is not allowed to close file descriptors still in use by |
---|
1021 | * kevent(). On FreeBSD the file descriptor reference counting would |
---|
1022 | * prevent this also. |
---|
1023 | */ |
---|
1024 | send_events(ctx, EVENT_SHUTDOWN); |
---|
1025 | |
---|
1026 | rv = fstat(cfd, &st); |
---|
1027 | assert(rv == 0); |
---|
1028 | assert(st.st_mode == (S_IFSOCK | canrecv | cansend)); |
---|
1029 | |
---|
1030 | rv = kevent(kq, NULL, 0, &event, 1, timeout); |
---|
1031 | assert(rv == 1); |
---|
1032 | assert(event.ident == cfd); |
---|
1033 | assert(event.filter == EVFILT_READ); |
---|
1034 | assert(event.flags == EV_EOF); |
---|
1035 | assert(event.fflags == 0); |
---|
1036 | assert(event.data == 0); |
---|
1037 | assert(event.udata == TEST_UDATA); |
---|
1038 | |
---|
1039 | /* |
---|
1040 | * The master task wakes up during the shutdown() operation. So we do |
---|
1041 | * not see the full shutdown. |
---|
1042 | */ |
---|
1043 | rv = fstat(cfd, &st); |
---|
1044 | assert(rv == 0); |
---|
1045 | assert(st.st_mode == (S_IFSOCK | cansend)); |
---|
1046 | |
---|
1047 | rv = close(kq); |
---|
1048 | assert(rv == 0); |
---|
1049 | } |
---|
1050 | |
---|
1051 | static void |
---|
1052 | test_kqueue_user(test_context *ctx) |
---|
1053 | { |
---|
1054 | int kq; |
---|
1055 | uintptr_t ident; |
---|
1056 | u_int flag; |
---|
1057 | struct kevent change; |
---|
1058 | struct kevent trigger; |
---|
1059 | struct kevent event; |
---|
1060 | const struct timespec *timeout = NULL; |
---|
1061 | int rv; |
---|
1062 | |
---|
1063 | puts("test kqueue user"); |
---|
1064 | |
---|
1065 | ident = 0xabc; |
---|
1066 | flag = 0x1; |
---|
1067 | |
---|
1068 | kq = kqueue(); |
---|
1069 | assert(kq >= 0); |
---|
1070 | |
---|
1071 | EV_SET(&change, ident, EVFILT_USER, EV_ADD | EV_ENABLE, NOTE_FFNOP, 0, |
---|
1072 | TEST_UDATA); |
---|
1073 | |
---|
1074 | rv = kevent(kq, &change, 1, NULL, 0, timeout); |
---|
1075 | assert(rv == 0); |
---|
1076 | |
---|
1077 | ident = 0xabc; |
---|
1078 | EV_SET(&trigger, ident, EVFILT_USER, 0, NOTE_TRIGGER | NOTE_FFCOPY | |
---|
1079 | flag, 0, TEST_UDATA); |
---|
1080 | |
---|
1081 | rv = kevent(kq, &trigger, 1, NULL, 0, timeout); |
---|
1082 | assert(rv == 0); |
---|
1083 | |
---|
1084 | memset(&event, 0, sizeof(event)); |
---|
1085 | rv = kevent(kq, NULL, 0, &event, 1, timeout); |
---|
1086 | assert(rv == 1); |
---|
1087 | assert(event.ident == ident); |
---|
1088 | assert(event.filter == EVFILT_USER); |
---|
1089 | assert(event.flags == 0); |
---|
1090 | assert(event.fflags == flag); |
---|
1091 | assert(event.data == 0); |
---|
1092 | assert(event.udata == TEST_UDATA); |
---|
1093 | |
---|
1094 | rv = close(kq); |
---|
1095 | assert(rv == 0); |
---|
1096 | } |
---|
1097 | |
---|
1098 | static void |
---|
1099 | test_main(void) |
---|
1100 | { |
---|
1101 | test_context *ctx = &test_instance; |
---|
1102 | |
---|
1103 | setup_lo0(); |
---|
1104 | set_self_prio(PRIO_MASTER); |
---|
1105 | start_worker(ctx); |
---|
1106 | create_server_socket(ctx); |
---|
1107 | create_client_addr(ctx); |
---|
1108 | |
---|
1109 | test_select_timeout(ctx); |
---|
1110 | test_select_connect(ctx); |
---|
1111 | test_select_read(ctx); |
---|
1112 | test_select_write(ctx); |
---|
1113 | test_select_close(ctx); |
---|
1114 | |
---|
1115 | test_pselect_sigmask(); |
---|
1116 | test_pselect_timeout(ctx); |
---|
1117 | |
---|
1118 | test_poll_timeout(ctx); |
---|
1119 | test_poll_connect(ctx); |
---|
1120 | test_poll_read(ctx); |
---|
1121 | test_poll_write(ctx); |
---|
1122 | test_poll_close(ctx); |
---|
1123 | |
---|
1124 | test_kqueue_timer(false); |
---|
1125 | test_kqueue_timer(true); |
---|
1126 | test_kqueue_connect(ctx); |
---|
1127 | test_kqueue_read(ctx); |
---|
1128 | test_kqueue_write(ctx); |
---|
1129 | test_kqueue_close(ctx); |
---|
1130 | test_kqueue_user(ctx); |
---|
1131 | |
---|
1132 | exit(0); |
---|
1133 | } |
---|
1134 | |
---|
1135 | #include <rtems/bsd/test/default-init.h> |
---|