diff options
Diffstat (limited to 'nptl/tst-mutex4.c')
| -rw-r--r-- | nptl/tst-mutex4.c | 99 |
1 files changed, 93 insertions, 6 deletions
diff --git a/nptl/tst-mutex4.c b/nptl/tst-mutex4.c index 0ce7313..9699c2d 100644 --- a/nptl/tst-mutex4.c +++ b/nptl/tst-mutex4.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -42,6 +42,8 @@ do_test (void) char *p; int err; int s; + pthread_barrier_t *b; + pthread_barrierattr_t ba; fd = mkstemp (tmpfname); if (fd == -1) @@ -70,9 +72,12 @@ do_test (void) return 1; } - m = (pthread_mutex_t *) (((uintptr_t) mem + __alignof (pthread_mutex_t)) + m = (pthread_mutex_t *) (((uintptr_t) mem + __alignof (pthread_mutex_t) - 1) & ~(__alignof (pthread_mutex_t) - 1)); - p = (char *) (m + 1); + b = (pthread_barrier_t *) (((uintptr_t) (m + 1) + + __alignof (pthread_barrier_t) - 1) + & ~(__alignof (pthread_barrier_t) - 1)); + p = (char *) (b + 1); if (pthread_mutexattr_init (&a) != 0) { @@ -110,8 +115,23 @@ do_test (void) return 1; } - if (pthread_mutex_init (m, &a) != 0) +#ifdef ENABLE_PI + if (pthread_mutexattr_setprotocol (&a, PTHREAD_PRIO_INHERIT) != 0) { + puts ("pthread_mutexattr_setprotocol failed"); + return 1; + } +#endif + + if ((err = pthread_mutex_init (m, &a)) != 0) + { +#ifdef ENABLE_PI + if (err == ENOTSUP) + { + puts ("PI mutexes unsupported"); + return 0; + } +#endif puts ("mutex_init failed"); return 1; } @@ -128,6 +148,30 @@ do_test (void) return 1; } + if (pthread_barrierattr_init (&ba) != 0) + { + puts ("barrierattr_init failed"); + return 1; + } + + if (pthread_barrierattr_setpshared (&ba, PTHREAD_PROCESS_SHARED) != 0) + { + puts ("barrierattr_setpshared failed"); + return 1; + } + + if (pthread_barrier_init (b, &ba, 2) != 0) + { + puts ("barrier_init failed"); + return 1; + } + + if (pthread_barrierattr_destroy (&ba) != 0) + { + puts ("barrierattr_destroy failed"); + return 1; + } + err = pthread_mutex_trylock (m); if (err == 0) { @@ -142,6 +186,12 @@ do_test (void) *p = 0; + if (pthread_mutex_unlock (m) != 0) + { + puts ("parent: 1st mutex_unlock failed"); + return 1; + } + puts ("going to fork now"); pid = fork (); if (pid == -1) @@ -151,7 +201,19 @@ do_test (void) } else if (pid == 0) { - /* Play some lock ping-pong. It's our turn to unlock first. */ + if (pthread_mutex_lock (m) != 0) + { + puts ("child: mutex_lock failed"); + return 1; + } + + int e = pthread_barrier_wait (b); + if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) + { + puts ("child: barrier_wait failed"); + return 1; + } + if ((*p)++ != 0) { puts ("child: *p != 0"); @@ -160,7 +222,7 @@ do_test (void) if (pthread_mutex_unlock (m) != 0) { - puts ("child: 1st mutex_unlock failed"); + puts ("child: mutex_unlock failed"); return 1; } @@ -168,6 +230,13 @@ do_test (void) } else { + int e = pthread_barrier_wait (b); + if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) + { + puts ("parent: barrier_wait failed"); + return 1; + } + if (pthread_mutex_lock (m) != 0) { puts ("parent: 2nd mutex_lock failed"); @@ -180,6 +249,24 @@ do_test (void) return 1; } + if (pthread_mutex_unlock (m) != 0) + { + puts ("parent: 2nd mutex_unlock failed"); + return 1; + } + + if (pthread_mutex_destroy (m) != 0) + { + puts ("mutex_destroy failed"); + return 1; + } + + if (pthread_barrier_destroy (b) != 0) + { + puts ("barrier_destroy failed"); + return 1; + } + puts ("parent done"); } |