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-rw-r--r--nptl/tst-rwlock9.c186
1 files changed, 88 insertions, 98 deletions
diff --git a/nptl/tst-rwlock9.c b/nptl/tst-rwlock9.c
index 3c851fa927..3229a6fb42 100644
--- a/nptl/tst-rwlock9.c
+++ b/nptl/tst-rwlock9.c
@@ -1,5 +1,5 @@
/* Test program for timedout read/write lock functions.
- Copyright (C) 2000-2018 Free Software Foundation, Inc.
+ Copyright (C) 2000-2019 Free Software Foundation, Inc.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2000.
The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; see the file COPYING.LIB. If
- not, see <http://www.gnu.org/licenses/>. */
+ not, see <https://www.gnu.org/licenses/>. */
#include <errno.h>
#include <error.h>
@@ -24,6 +24,9 @@
#include <time.h>
#include <unistd.h>
#include <sys/time.h>
+#include <support/check.h>
+#include <support/timespec.h>
+#include <support/xthread.h>
#define NWRITERS 15
@@ -31,64 +34,68 @@
#define NREADERS 15
#define READTRIES 15
-#define TIMEOUT 1000000
-#define DELAY 1000000
+static const struct timespec timeout = { 0,1000000 };
+static const struct timespec delay = { 0, 1000000 };
#ifndef KIND
# define KIND PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP
#endif
+/* A bogus clock value that tells the tests to use pthread_rwlock_timedrdlock
+ and pthread_rwlock_timedwrlock rather than pthread_rwlock_clockrdlock and
+ pthread_rwlock_clockwrlock. */
+#define CLOCK_USE_TIMEDLOCK (-1)
+
static pthread_rwlock_t lock;
+struct thread_args
+{
+ int nr;
+ clockid_t clockid;
+ const char *fnname;
+};
static void *
-writer_thread (void *nr)
+writer_thread (void *arg)
{
+ struct thread_args *args = arg;
+ const int nr = args->nr;
+ const clockid_t clockid = args->clockid;
+ const clockid_t clockid_for_get =
+ (clockid == CLOCK_USE_TIMEDLOCK) ? CLOCK_REALTIME : clockid;
+ const char *fnname = args->fnname;
+
struct timespec ts;
- struct timespec delay;
int n;
- delay.tv_sec = 0;
- delay.tv_nsec = DELAY;
-
for (n = 0; n < WRITETRIES; ++n)
{
int e;
do
{
- struct timeval tv;
- (void) gettimeofday (&tv, NULL);
- TIMEVAL_TO_TIMESPEC (&tv, &ts);
+ xclock_gettime (clockid_for_get, &ts);
- ts.tv_nsec += 2 * TIMEOUT;
- if (ts.tv_nsec >= 1000000000)
- {
- ts.tv_nsec -= 1000000000;
- ++ts.tv_sec;
- }
+ ts = timespec_add (ts, timeout);
+ ts = timespec_add (ts, timeout);
- printf ("writer thread %ld tries again\n", (long int) nr);
+ printf ("writer thread %d tries again\n", nr);
- e = pthread_rwlock_timedwrlock (&lock, &ts);
+ e = (clockid == CLOCK_USE_TIMEDLOCK)
+ ? pthread_rwlock_timedwrlock (&lock, &ts)
+ : pthread_rwlock_clockwrlock (&lock, clockid, &ts);
if (e != 0 && e != ETIMEDOUT)
- {
- puts ("timedwrlock failed");
- exit (1);
- }
+ FAIL_EXIT1 ("%swrlock failed", fnname);
}
while (e == ETIMEDOUT);
- printf ("writer thread %ld succeeded\n", (long int) nr);
+ printf ("writer thread %d succeeded\n", nr);
nanosleep (&delay, NULL);
if (pthread_rwlock_unlock (&lock) != 0)
- {
- puts ("unlock for writer failed");
- exit (1);
- }
+ FAIL_EXIT1 ("unlock for writer failed");
- printf ("writer thread %ld released\n", (long int) nr);
+ printf ("writer thread %d released\n", nr);
}
return NULL;
@@ -96,53 +103,46 @@ writer_thread (void *nr)
static void *
-reader_thread (void *nr)
+reader_thread (void *arg)
{
+ struct thread_args *args = arg;
+ const int nr = args->nr;
+ const clockid_t clockid = args->clockid;
+ const clockid_t clockid_for_get =
+ (clockid == CLOCK_USE_TIMEDLOCK) ? CLOCK_REALTIME : clockid;
+ const char *fnname = args->fnname;
+
struct timespec ts;
- struct timespec delay;
int n;
- delay.tv_sec = 0;
- delay.tv_nsec = DELAY;
-
for (n = 0; n < READTRIES; ++n)
{
int e;
do
{
- struct timeval tv;
- (void) gettimeofday (&tv, NULL);
- TIMEVAL_TO_TIMESPEC (&tv, &ts);
+ xclock_gettime (clockid_for_get, &ts);
- ts.tv_nsec += TIMEOUT;
- if (ts.tv_nsec >= 1000000000)
- {
- ts.tv_nsec -= 1000000000;
- ++ts.tv_sec;
- }
+ ts = timespec_add (ts, timeout);
- printf ("reader thread %ld tries again\n", (long int) nr);
+ printf ("reader thread %d tries again\n", nr);
- e = pthread_rwlock_timedrdlock (&lock, &ts);
+ if (clockid == CLOCK_USE_TIMEDLOCK)
+ e = pthread_rwlock_timedrdlock (&lock, &ts);
+ else
+ e = pthread_rwlock_clockrdlock (&lock, clockid, &ts);
if (e != 0 && e != ETIMEDOUT)
- {
- puts ("timedrdlock failed");
- exit (1);
- }
+ FAIL_EXIT1 ("%srdlock failed", fnname);
}
while (e == ETIMEDOUT);
- printf ("reader thread %ld succeeded\n", (long int) nr);
+ printf ("reader thread %d succeeded\n", nr);
nanosleep (&delay, NULL);
if (pthread_rwlock_unlock (&lock) != 0)
- {
- puts ("unlock for reader failed");
- exit (1);
- }
+ FAIL_EXIT1 ("unlock for reader failed");
- printf ("reader thread %ld released\n", (long int) nr);
+ printf ("reader thread %d released\n", nr);
}
return NULL;
@@ -150,31 +150,21 @@ reader_thread (void *nr)
static int
-do_test (void)
+do_test_clock (clockid_t clockid, const char *fnname)
{
pthread_t thwr[NWRITERS];
pthread_t thrd[NREADERS];
int n;
- void *res;
pthread_rwlockattr_t a;
if (pthread_rwlockattr_init (&a) != 0)
- {
- puts ("rwlockattr_t failed");
- exit (1);
- }
+ FAIL_EXIT1 ("rwlockattr_t failed");
if (pthread_rwlockattr_setkind_np (&a, KIND) != 0)
- {
- puts ("rwlockattr_setkind failed");
- exit (1);
- }
+ FAIL_EXIT1 ("rwlockattr_setkind failed");
if (pthread_rwlock_init (&lock, &a) != 0)
- {
- puts ("rwlock_init failed");
- exit (1);
- }
+ FAIL_EXIT1 ("rwlock_init failed");
/* Make standard error the same as standard output. */
dup2 (1, 2);
@@ -182,40 +172,40 @@ do_test (void)
/* Make sure we see all message, even those on stdout. */
setvbuf (stdout, NULL, _IONBF, 0);
- for (n = 0; n < NWRITERS; ++n)
- if (pthread_create (&thwr[n], NULL, writer_thread,
- (void *) (long int) n) != 0)
- {
- puts ("writer create failed");
- exit (1);
- }
-
- for (n = 0; n < NREADERS; ++n)
- if (pthread_create (&thrd[n], NULL, reader_thread,
- (void *) (long int) n) != 0)
- {
- puts ("reader create failed");
- exit (1);
- }
+ struct thread_args wargs[NWRITERS];
+ for (n = 0; n < NWRITERS; ++n) {
+ wargs[n].nr = n;
+ wargs[n].clockid = clockid;
+ wargs[n].fnname = fnname;
+ thwr[n] = xpthread_create (NULL, writer_thread, &wargs[n]);
+ }
+
+ struct thread_args rargs[NREADERS];
+ for (n = 0; n < NREADERS; ++n) {
+ rargs[n].nr = n;
+ rargs[n].clockid = clockid;
+ rargs[n].fnname = fnname;
+ thrd[n] = xpthread_create (NULL, reader_thread, &rargs[n]);
+ }
/* Wait for all the threads. */
for (n = 0; n < NWRITERS; ++n)
- if (pthread_join (thwr[n], &res) != 0)
- {
- puts ("writer join failed");
- exit (1);
- }
+ xpthread_join (thwr[n]);
for (n = 0; n < NREADERS; ++n)
- if (pthread_join (thrd[n], &res) != 0)
- {
- puts ("reader join failed");
- exit (1);
- }
+ xpthread_join (thrd[n]);
+
+ return 0;
+}
+
+static int
+do_test (void)
+{
+ do_test_clock (CLOCK_USE_TIMEDLOCK, "timed");
+ do_test_clock (CLOCK_REALTIME, "clock(realtime)");
+ do_test_clock (CLOCK_MONOTONIC, "clock(monotonic)");
return 0;
}
-#undef TIMEOUT
#define TIMEOUT 30
-#define TEST_FUNCTION do_test ()
-#include "../test-skeleton.c"
+#include <support/test-driver.c>