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-rw-r--r--test/nptl/tst-sem1.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/test/nptl/tst-sem1.c b/test/nptl/tst-sem1.c
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+++ b/test/nptl/tst-sem1.c
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+/* Copyright (C) 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ 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 <stdio.h>
+#include <unistd.h>
+
+
+static int
+do_test (void)
+{
+ sem_t s;
+
+ if (sem_init (&s, 0, 1) == -1)
+ {
+ puts ("init failed");
+ return 1;
+ }
+
+ if (TEMP_FAILURE_RETRY (sem_wait (&s)) == -1)
+ {
+ puts ("1st wait failed");
+ return 1;
+ }
+
+ if (sem_post (&s) == -1)
+ {
+ puts ("1st post failed");
+ return 1;
+ }
+
+ if (TEMP_FAILURE_RETRY (sem_trywait (&s)) == -1)
+ {
+ puts ("1st trywait failed");
+ return 1;
+ }
+
+ errno = 0;
+ if (TEMP_FAILURE_RETRY (sem_trywait (&s)) != -1)
+ {
+ puts ("2nd trywait succeeded");
+ return 1;
+ }
+ else if (errno != EAGAIN)
+ {
+ puts ("2nd trywait did not set errno to EAGAIN");
+ return 1;
+ }
+
+ if (sem_post (&s) == -1)
+ {
+ puts ("2nd post failed");
+ return 1;
+ }
+
+ if (TEMP_FAILURE_RETRY (sem_wait (&s)) == -1)
+ {
+ puts ("2nd wait failed");
+ return 1;
+ }
+
+ if (sem_destroy (&s) == -1)
+ {
+ puts ("destroy failed");
+ return 1;
+ }
+
+ return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"