diff options
Diffstat (limited to 'nptl/tst-cond22.c')
| -rw-r--r-- | nptl/tst-cond22.c | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/nptl/tst-cond22.c b/nptl/tst-cond22.c new file mode 100644 index 0000000000..aff38fcc8d --- /dev/null +++ b/nptl/tst-cond22.c @@ -0,0 +1,160 @@ +#include <pthread.h> +#include <stdio.h> +#include <stdlib.h> + + +static pthread_barrier_t b; +static pthread_cond_t c = PTHREAD_COND_INITIALIZER; +static pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER; + + +static void +cl (void *arg) +{ + pthread_mutex_unlock (&m); +} + + +static void * +tf (void *arg) +{ + if (pthread_mutex_lock (&m) != 0) + { + printf ("%s: mutex_lock failed\n", __func__); + exit (1); + } + int e = pthread_barrier_wait (&b); + if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) + { + printf ("%s: barrier_wait failed\n", __func__); + exit (1); + } + pthread_cleanup_push (cl, NULL); + /* We have to loop here because the cancellation might come after + the cond_wait call left the cancelable area and is then waiting + on the mutex. In this case the beginning of the second cond_wait + call will cause the cancellation to happen. */ + do + if (pthread_cond_wait (&c, &m) != 0) + { + printf ("%s: cond_wait failed\n", __func__); + exit (1); + } + while (arg == NULL); + pthread_cleanup_pop (0); + if (pthread_mutex_unlock (&m) != 0) + { + printf ("%s: mutex_unlock failed\n", __func__); + exit (1); + } + return NULL; +} + + +static int +do_test (void) +{ + int status = 0; + + if (pthread_barrier_init (&b, NULL, 2) != 0) + { + puts ("barrier_init failed"); + return 1; + } + + pthread_t th; + if (pthread_create (&th, NULL, tf, NULL) != 0) + { + puts ("1st create failed"); + return 1; + } + int e = pthread_barrier_wait (&b); + if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) + { + puts ("1st barrier_wait failed"); + return 1; + } + if (pthread_mutex_lock (&m) != 0) + { + puts ("1st mutex_lock failed"); + return 1; + } + if (pthread_cond_signal (&c) != 0) + { + puts ("1st cond_signal failed"); + return 1; + } + if (pthread_cancel (th) != 0) + { + puts ("cancel failed"); + return 1; + } + if (pthread_mutex_unlock (&m) != 0) + { + puts ("1st mutex_unlock failed"); + return 1; + } + void *res; + if (pthread_join (th, &res) != 0) + { + puts ("1st join failed"); + return 1; + } + if (res != PTHREAD_CANCELED) + { + puts ("first thread not canceled"); + status = 1; + } + + printf ("cond = { %d, %x, %lld, %lld, %lld, %p, %u, %u }\n", + c.__data.__lock, c.__data.__futex, c.__data.__total_seq, + c.__data.__wakeup_seq, c.__data.__woken_seq, c.__data.__mutex, + c.__data.__nwaiters, c.__data.__broadcast_seq); + + if (pthread_create (&th, NULL, tf, (void *) 1l) != 0) + { + puts ("2nd create failed"); + return 1; + } + e = pthread_barrier_wait (&b); + if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) + { + puts ("2nd barrier_wait failed"); + return 1; + } + if (pthread_mutex_lock (&m) != 0) + { + puts ("2nd mutex_lock failed"); + return 1; + } + if (pthread_cond_signal (&c) != 0) + { + puts ("2nd cond_signal failed"); + return 1; + } + if (pthread_mutex_unlock (&m) != 0) + { + puts ("2nd mutex_unlock failed"); + return 1; + } + if (pthread_join (th, &res) != 0) + { + puts ("2nd join failed"); + return 1; + } + if (res != NULL) + { + puts ("2nd thread canceled"); + status = 1; + } + + printf ("cond = { %d, %x, %lld, %lld, %lld, %p, %u, %u }\n", + c.__data.__lock, c.__data.__futex, c.__data.__total_seq, + c.__data.__wakeup_seq, c.__data.__woken_seq, c.__data.__mutex, + c.__data.__nwaiters, c.__data.__broadcast_seq); + + return status; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" |