1 | /** |
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2 | * @file |
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3 | * @brief swapcontext() API Conformance Test |
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4 | */ |
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5 | |
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6 | /* |
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7 | * SPDX-License-Identifier: BSD-2-Clause |
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8 | * |
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9 | * Copyright (C) 2018 Jacob Shin |
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10 | * |
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11 | * Redistribution and use in source and binary forms, with or without |
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12 | * modification, are permitted provided that the following conditions |
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13 | * are met: |
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14 | * 1. Redistributions of source code must retain the above copyright |
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15 | * notice, this list of conditions and the following disclaimer. |
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16 | * 2. Redistributions in binary form must reproduce the above copyright |
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17 | * notice, this list of conditions and the following disclaimer in the |
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18 | * documentation and/or other materials provided with the distribution. |
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19 | * |
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20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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21 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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23 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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24 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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25 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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26 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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27 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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28 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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29 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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30 | * POSSIBILITY OF SUCH DAMAGE. |
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31 | */ |
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32 | |
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33 | #ifdef HAVE_CONFIG_H |
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34 | #include "config.h" |
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35 | #endif |
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36 | |
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37 | #define STACK_SIZE (1<<15) // 3 |
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38 | |
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39 | #include <ucontext.h> |
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40 | #include <stdlib.h> |
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41 | |
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42 | int test( void ); |
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43 | void func( void ); |
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44 | |
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45 | int test( void ) |
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46 | { |
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47 | ucontext_t context; |
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48 | context.uc_stack.ss_sp = (char *) malloc(STACK_SIZE); |
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49 | context.uc_stack.ss_size = STACK_SIZE; |
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50 | context.uc_link = 0; |
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51 | context.uc_stack.ss_flags = 0; |
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52 | ucontext_t *ucp = &context; |
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53 | ucontext_t context2; |
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54 | ucontext_t *ucp2 = &context2; |
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55 | getcontext(ucp); |
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56 | makecontext(ucp,(void*)func, 0); |
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57 | swapcontext(ucp2, ucp); |
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58 | return 0; |
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59 | } |
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60 | |
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61 | void func( void ) |
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62 | { |
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63 | return; |
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64 | } |
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