1 | /* |
---|
2 | * COPYRIGHT (c) 1989-2009. |
---|
3 | * On-Line Applications Research Corporation (OAR). |
---|
4 | * |
---|
5 | * The license and distribution terms for this file may be |
---|
6 | * found in the file LICENSE in this distribution or at |
---|
7 | * http://www.rtems.com/license/LICENSE. |
---|
8 | * |
---|
9 | * $Id$ |
---|
10 | */ |
---|
11 | |
---|
12 | |
---|
13 | #include <pmacros.h> |
---|
14 | #include <signal.h> |
---|
15 | #include <errno.h> |
---|
16 | #include <pthread.h> |
---|
17 | #include <sched.h> |
---|
18 | |
---|
19 | volatile bool Signal_occurred; |
---|
20 | volatile pthread_t Signal_thread; |
---|
21 | |
---|
22 | void Signal_handler( |
---|
23 | int signo, |
---|
24 | siginfo_t *info, |
---|
25 | void *arg |
---|
26 | ) |
---|
27 | { |
---|
28 | Signal_occurred = true; |
---|
29 | Signal_thread = pthread_self(); |
---|
30 | } |
---|
31 | |
---|
32 | void *Test_Thread(void *arg) |
---|
33 | { |
---|
34 | bool blocked = *((bool *)arg); |
---|
35 | const char *name; |
---|
36 | int sc; |
---|
37 | sigset_t mask; |
---|
38 | sigset_t wait_mask; |
---|
39 | sigset_t pending_set; |
---|
40 | sigset_t oset; |
---|
41 | siginfo_t info; |
---|
42 | |
---|
43 | if ( blocked ) |
---|
44 | name = "SignalBlocked"; |
---|
45 | else |
---|
46 | name = "SignalNotBlocked"; |
---|
47 | |
---|
48 | /* build unblocked mask */ |
---|
49 | sc = sigemptyset( &mask ); |
---|
50 | assert( !sc ); |
---|
51 | |
---|
52 | printf( "%s - Unblock SIGUSR1\n", name ); |
---|
53 | sc = sigaddset( &mask, SIGUSR1 ); |
---|
54 | assert( !sc ); |
---|
55 | |
---|
56 | if ( !blocked ) { |
---|
57 | printf( "%s - Unblock SIGUSR2\n", name ); |
---|
58 | sc = sigaddset( &mask, SIGUSR2 ); |
---|
59 | assert( !sc ); |
---|
60 | } |
---|
61 | |
---|
62 | /* unblocked signals */ |
---|
63 | sc = pthread_sigmask( SIG_UNBLOCK, &mask, NULL ); |
---|
64 | assert( !sc ); |
---|
65 | |
---|
66 | /* build wait mask */ |
---|
67 | sc = sigemptyset( &wait_mask ); |
---|
68 | assert( !sc ); |
---|
69 | |
---|
70 | sc = sigaddset( &wait_mask, SIGUSR1 ); |
---|
71 | assert( !sc ); |
---|
72 | |
---|
73 | /* wait for a signal */ |
---|
74 | memset( &info, 0, sizeof(info) ); |
---|
75 | |
---|
76 | printf( "%s - Wait for SIGUSR1 unblocked\n", name ); |
---|
77 | sigwaitinfo( &wait_mask, &info ); |
---|
78 | assert( !sc ); |
---|
79 | |
---|
80 | printf( "%s - siginfo.si_signo=%d\n", name, info.si_signo ); |
---|
81 | printf( "%s - siginfo.si_code=%d\n", name, info.si_code ); |
---|
82 | printf( "%s - siginfo.si_value=0x%08x\n", name, info.si_value ); |
---|
83 | |
---|
84 | assert( info.si_signo == SIGUSR2 ); |
---|
85 | assert( info.si_code == SI_USER ); |
---|
86 | |
---|
87 | printf( "%s - exiting\n", name ); |
---|
88 | return NULL; |
---|
89 | } |
---|
90 | |
---|
91 | void *POSIX_Init( |
---|
92 | void *argument |
---|
93 | ) |
---|
94 | { |
---|
95 | int i; |
---|
96 | int sc; |
---|
97 | pthread_t id; |
---|
98 | struct sigaction act; |
---|
99 | bool trueArg = true; |
---|
100 | bool falseArg = false; |
---|
101 | |
---|
102 | puts( "\n\n*** POSIX TEST SIGNAL 03 ***" ); |
---|
103 | |
---|
104 | Signal_occurred = false; |
---|
105 | |
---|
106 | act.sa_handler = NULL; |
---|
107 | act.sa_sigaction = Signal_handler; |
---|
108 | act.sa_flags = SA_SIGINFO; |
---|
109 | sigaction( SIGUSR1, &act, NULL ); |
---|
110 | sigaction( SIGUSR2, &act, NULL ); |
---|
111 | |
---|
112 | /* create threads */ |
---|
113 | sc = pthread_create( &id, NULL, Test_Thread, &falseArg ); |
---|
114 | assert( !sc ); |
---|
115 | |
---|
116 | sc = pthread_create( &id, NULL, Test_Thread, &trueArg ); |
---|
117 | assert( !sc ); |
---|
118 | |
---|
119 | puts( "Init - sleep - let threads settle - OK" ); |
---|
120 | usleep(500000); |
---|
121 | |
---|
122 | puts( "Init - sleep - SignalBlocked thread settle - OK" ); |
---|
123 | usleep(500000); |
---|
124 | |
---|
125 | puts( "Init - sending SIGUSR2 - deliver to one thread" ); |
---|
126 | sc = kill( getpid(), SIGUSR2 ); |
---|
127 | assert( !sc ); |
---|
128 | |
---|
129 | puts( "Init - sending SIGUSR2 - deliver to other thread" ); |
---|
130 | sc = kill( getpid(), SIGUSR2 ); |
---|
131 | assert( !sc ); |
---|
132 | |
---|
133 | puts( "Init - sending SIGUSR2 - expect EAGAIN" ); |
---|
134 | sc = kill( getpid(), SIGUSR2 ); |
---|
135 | assert( sc == -1 ); |
---|
136 | assert( errno == EAGAIN ); |
---|
137 | |
---|
138 | puts( "Init - sleep - let thread report if it unblocked - OK" ); |
---|
139 | usleep(500000); |
---|
140 | |
---|
141 | /* we are just sigwait'ing the signal, not delivering it */ |
---|
142 | assert( Signal_occurred == true ); |
---|
143 | |
---|
144 | puts( "*** END OF POSIX TEST SIGNAL 03 ***" ); |
---|
145 | rtems_test_exit(0); |
---|
146 | |
---|
147 | return NULL; /* just so the compiler thinks we returned something */ |
---|
148 | } |
---|
149 | |
---|
150 | /* configuration information */ |
---|
151 | |
---|
152 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
---|
153 | #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER |
---|
154 | |
---|
155 | #define CONFIGURE_MAXIMUM_POSIX_THREADS 3 |
---|
156 | #define CONFIGURE_MAXIMUM_POSIX_QUEUED_SIGNALS 1 |
---|
157 | |
---|
158 | #define CONFIGURE_POSIX_INIT_THREAD_TABLE |
---|
159 | |
---|
160 | #define CONFIGURE_INIT |
---|
161 | #include <rtems/confdefs.h> |
---|