From 346e6ad4016f3a19f71ccd0edd8a2682746d6fe7 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Fri, 8 Sep 2006 10:41:17 +0000 Subject: [BZ #3123] 2006-09-08 Ulrich Drepper [BZ #3123] * sysdeps/pthread/pthread_cond_wait.c (__condvar_cleanup): Don't increment WAKEUP_SEQ if this would increase the value beyond TOTAL_SEQ. * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.c: Likewise. * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.c: Likewise. * sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.c: Likewise. * Makefile (tests): Add tst-cond22. * tst-cond22.c: New file. --- nptl/tst-cond22.c | 153 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 153 insertions(+) create mode 100644 nptl/tst-cond22.c (limited to 'nptl/tst-cond22.c') diff --git a/nptl/tst-cond22.c b/nptl/tst-cond22.c new file mode 100644 index 0000000000..0e829ff2e9 --- /dev/null +++ b/nptl/tst-cond22.c @@ -0,0 +1,153 @@ +#include +#include + + +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); + if (pthread_cond_wait (&c, &m) != 0) + { + printf ("%s: cond_wait failed\n", __func__); + exit (1); + } + 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, NULL) != 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" -- cgit v1.2.3