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Diffstat (limited to 'nptl/tst-sem6.c')
-rw-r--r-- | nptl/tst-sem6.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/nptl/tst-sem6.c b/nptl/tst-sem6.c new file mode 100644 index 0000000..49240d9 --- /dev/null +++ b/nptl/tst-sem6.c @@ -0,0 +1,81 @@ +/* Copyright (C) 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <semaphore.h> +#include <signal.h> +#include <stdio.h> +#include <unistd.h> + + +static void +handler (int sig) +{ + struct sigaction sa; + + sa.sa_handler = SIG_DFL; + sa.sa_flags = 0; + sigemptyset (&sa.sa_mask); + + sigaction (SIGALRM, &sa, NULL); + + /* Rearm the timer. */ + alarm (1); +} + + +static int +do_test (void) +{ + sem_t s; + struct sigaction sa; + + sa.sa_handler = handler; + sa.sa_flags = 0; + sigemptyset (&sa.sa_mask); + + sigaction (SIGALRM, &sa, NULL); + + if (sem_init (&s, 0, 0) == -1) + { + puts ("init failed"); + return 1; + } + + /* Set an alarm for 1 second. The wrapper will expect this. */ + alarm (1); + + int res = sem_wait (&s); + if (res == 0) + { + puts ("wait succeeded"); + return 1; + } + if (res != -1 || errno != EINTR) + { + puts ("wait didn't fail with EINTR"); + return 1; + } + + return 0; +} + +#define TIMEOUT 3 +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" |