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Diffstat (limited to 'nptl/tst-mutex4.c')
-rw-r--r--nptl/tst-mutex4.c99
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");
}