diff options
Diffstat (limited to 'nptl/tst-rwlock9.c')
-rw-r--r-- | nptl/tst-rwlock9.c | 102 |
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; } |