xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame^] | 1 | /* Copyright (C) 2003-2016 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include <errno.h> |
| 20 | #include <semaphore.h> |
| 21 | #include <signal.h> |
| 22 | #include <stdio.h> |
| 23 | #include <unistd.h> |
| 24 | |
| 25 | |
| 26 | static void |
| 27 | handler (int sig) |
| 28 | { |
| 29 | struct sigaction sa; |
| 30 | |
| 31 | sa.sa_handler = SIG_DFL; |
| 32 | sa.sa_flags = 0; |
| 33 | sigemptyset (&sa.sa_mask); |
| 34 | |
| 35 | sigaction (SIGALRM, &sa, NULL); |
| 36 | |
| 37 | /* Rearm the timer. */ |
| 38 | alarm (1); |
| 39 | } |
| 40 | |
| 41 | |
| 42 | static int |
| 43 | do_test (void) |
| 44 | { |
| 45 | sem_t s; |
| 46 | struct sigaction sa; |
| 47 | |
| 48 | sa.sa_handler = handler; |
| 49 | sa.sa_flags = 0; |
| 50 | sigemptyset (&sa.sa_mask); |
| 51 | |
| 52 | sigaction (SIGALRM, &sa, NULL); |
| 53 | |
| 54 | if (sem_init (&s, 0, 0) == -1) |
| 55 | { |
| 56 | puts ("init failed"); |
| 57 | return 1; |
| 58 | } |
| 59 | |
| 60 | /* Set an alarm for 1 second. The wrapper will expect this. */ |
| 61 | alarm (1); |
| 62 | |
| 63 | int res = sem_wait (&s); |
| 64 | if (res == 0) |
| 65 | { |
| 66 | puts ("wait succeeded"); |
| 67 | return 1; |
| 68 | } |
| 69 | if (res != -1 || errno != EINTR) |
| 70 | { |
| 71 | puts ("wait didn't fail with EINTR"); |
| 72 | return 1; |
| 73 | } |
| 74 | |
| 75 | return 0; |
| 76 | } |
| 77 | |
| 78 | #define TIMEOUT 3 |
| 79 | #define TEST_FUNCTION do_test () |
| 80 | #include "../test-skeleton.c" |