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Diffstat (limited to 'nptl/tst-rwlock9.c')
-rw-r--r--nptl/tst-rwlock9.c102
1 files changed, 73 insertions, 29 deletions
diff --git a/nptl/tst-rwlock9.c b/nptl/tst-rwlock9.c
index e772247..df6b95e 100644
--- a/nptl/tst-rwlock9.c
+++ b/nptl/tst-rwlock9.c
@@ -26,6 +26,7 @@
#include <sys/time.h>
#include <support/check.h>
#include <support/timespec.h>
+#include <support/xthread.h>
#define NWRITERS 15
@@ -40,12 +41,30 @@ static const struct timespec delay = { 0, 1000000 };
# 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;
int n;
@@ -54,27 +73,29 @@ writer_thread (void *nr)
int e;
do
{
- xclock_gettime (CLOCK_REALTIME, &ts);
+ xclock_gettime (clockid_for_get, &ts);
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)
- FAIL_EXIT1 ("timedwrlock failed");
+ 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)
FAIL_EXIT1 ("unlock for writer failed");
- printf ("writer thread %ld released\n", (long int) nr);
+ printf ("writer thread %d released\n", nr);
}
return NULL;
@@ -82,8 +103,15 @@ 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;
int n;
@@ -92,26 +120,29 @@ reader_thread (void *nr)
int e;
do
{
- xclock_gettime (CLOCK_REALTIME, &ts);
+ xclock_gettime (clockid_for_get, &ts);
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)
- FAIL_EXIT1 ("timedrdlock failed");
+ 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)
FAIL_EXIT1 ("unlock for reader failed");
- printf ("reader thread %ld released\n", (long int) nr);
+ printf ("reader thread %d released\n", nr);
}
return NULL;
@@ -119,12 +150,11 @@ 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)
@@ -142,23 +172,37 @@ 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)
- FAIL_EXIT1 ("writer create failed");
-
- for (n = 0; n < NREADERS; ++n)
- if (pthread_create (&thrd[n], NULL, reader_thread,
- (void *) (long int) n) != 0)
- FAIL_EXIT1 ("reader create failed");
+ 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)
- FAIL_EXIT1 ("writer join failed");
+ xpthread_join (thwr[n]);
for (n = 0; n < NREADERS; ++n)
- if (pthread_join (thrd[n], &res) != 0)
- FAIL_EXIT1 ("reader join failed");
+ 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;
}