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authorUlrich Drepper <drepper@redhat.com>2007-05-26 01:23:04 +0000
committerUlrich Drepper <drepper@redhat.com>2007-05-26 01:23:04 +0000
commit2af4e3e5668f70976762282cfff715e68929aa81 (patch)
tree980d505143102b6f14936c0ea9f8b156717ec553 /nptl
parent20a4d7228e33a9cc3e26a7ee935ede53306d8bd3 (diff)
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Test of semaphores.
Diffstat (limited to 'nptl')
-rw-r--r--nptl/tst-sem10.c88
-rw-r--r--nptl/tst-sem11.c76
-rw-r--r--nptl/tst-sem12.c14
3 files changed, 178 insertions, 0 deletions
diff --git a/nptl/tst-sem10.c b/nptl/tst-sem10.c
new file mode 100644
index 0000000..9f6e870
--- /dev/null
+++ b/nptl/tst-sem10.c
@@ -0,0 +1,88 @@
+/* Copyright (C) 2007 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jakub Jelinek <jakub@redhat.com>, 2007.
+
+ 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 <pthread.h>
+#include <semaphore.h>
+#include <stdio.h>
+#include <time.h>
+#include <unistd.h>
+#include <sys/time.h>
+
+
+static int
+do_test (void)
+{
+ sem_t s;
+ if (sem_init (&s, 0, 0) == -1)
+ {
+ puts ("sem_init failed");
+ return 1;
+ }
+
+ struct timeval tv;
+ if (gettimeofday (&tv, NULL) != 0)
+ {
+ puts ("gettimeofday failed");
+ return 1;
+ }
+
+ struct timespec ts;
+ TIMEVAL_TO_TIMESPEC (&tv, &ts);
+
+ /* Set ts to yesterday. */
+ ts.tv_sec -= 86400;
+
+ int type_before;
+ if (pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, &type_before) != 0)
+ {
+ puts ("first pthread_setcanceltype failed");
+ return 1;
+ }
+
+ errno = 0;
+ if (TEMP_FAILURE_RETRY (sem_timedwait (&s, &ts)) != -1)
+ {
+ puts ("sem_timedwait succeeded");
+ return 1;
+ }
+ if (errno != ETIMEDOUT)
+ {
+ printf ("sem_timedwait return errno = %d instead of ETIMEDOUT\n",
+ errno);
+ return 1;
+ }
+
+ int type_after;
+ if (pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, &type_after) != 0)
+ {
+ puts ("second pthread_setcanceltype failed");
+ return 1;
+ }
+ if (type_after != PTHREAD_CANCEL_DEFERRED)
+ {
+ puts ("sem_timedwait changed cancellation type");
+ return 1;
+ }
+
+ return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"
diff --git a/nptl/tst-sem11.c b/nptl/tst-sem11.c
new file mode 100644
index 0000000..6633ddd
--- /dev/null
+++ b/nptl/tst-sem11.c
@@ -0,0 +1,76 @@
+#include <semaphore.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <pthread.h>
+#include <internaltypes.h>
+
+#ifndef SEM_WAIT
+# define SEM_WAIT(s) sem_wait (s)
+#endif
+
+static void *
+tf (void *arg)
+{
+#ifdef PREPARE
+ PREPARE
+#endif
+ SEM_WAIT (arg);
+ return NULL;
+}
+
+int
+main (void)
+{
+ int tries = 5;
+ pthread_t th;
+ sem_t s;
+ again:
+ if (sem_init (&s, 0, 0) != 0)
+ {
+ puts ("sem_init failed");
+ return 1;
+ }
+
+ struct new_sem *is = (struct new_sem *) &s;
+
+ if (is->nwaiters != 0)
+ {
+ puts ("nwaiters not initialized");
+ return 1;
+ }
+
+ if (pthread_create (&th, NULL, tf, &s) != 0)
+ {
+ puts ("pthread_create failed");
+ return 1;
+ }
+
+ sleep (1);
+
+ if (pthread_cancel (th) != 0)
+ {
+ puts ("pthread_cancel failed");
+ return 1;
+ }
+
+ void *r;
+ if (pthread_join (th, &r) != 0)
+ {
+ puts ("pthread_join failed");
+ return 1;
+ }
+ if (r != PTHREAD_CANCELED && --tries > 0)
+ {
+ /* Maybe we get the scheduling right the next time. */
+ sem_destroy (&s);
+ goto again;
+ }
+
+ if (is->nwaiters != 0)
+ {
+ puts ("nwaiters not reset");
+ return 1;
+ }
+
+ return 0;
+}
diff --git a/nptl/tst-sem12.c b/nptl/tst-sem12.c
new file mode 100644
index 0000000..71d02b7
--- /dev/null
+++ b/nptl/tst-sem12.c
@@ -0,0 +1,14 @@
+#include <time.h>
+#include <sys/time.h>
+
+
+#define PREPARE \
+ struct timespec ts; \
+ struct timeval tv; \
+ gettimeofday (&tv, NULL); \
+ TIMEVAL_TO_TIMESPEC (&tv, &ts); \
+ ts.tv_sec += 60;
+
+#define SEM_WAIT(s) sem_timedwait (s, &ts)
+
+#include "tst-sem11.c"