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authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
commita334319f6530564d22e775935d9c91663623a1b4 (patch)
treeb5877475619e4c938e98757d518bb1e9cbead751 /nptl/tst-mutex4.c
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
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(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'nptl/tst-mutex4.c')
-rw-r--r--nptl/tst-mutex4.c99
1 files changed, 6 insertions, 93 deletions
diff --git a/nptl/tst-mutex4.c b/nptl/tst-mutex4.c
index 9699c2d..0ce7313 100644
--- a/nptl/tst-mutex4.c
+++ b/nptl/tst-mutex4.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -42,8 +42,6 @@ do_test (void)
char *p;
int err;
int s;
- pthread_barrier_t *b;
- pthread_barrierattr_t ba;
fd = mkstemp (tmpfname);
if (fd == -1)
@@ -72,12 +70,9 @@ do_test (void)
return 1;
}
- m = (pthread_mutex_t *) (((uintptr_t) mem + __alignof (pthread_mutex_t) - 1)
+ m = (pthread_mutex_t *) (((uintptr_t) mem + __alignof (pthread_mutex_t))
& ~(__alignof (pthread_mutex_t) - 1));
- b = (pthread_barrier_t *) (((uintptr_t) (m + 1)
- + __alignof (pthread_barrier_t) - 1)
- & ~(__alignof (pthread_barrier_t) - 1));
- p = (char *) (b + 1);
+ p = (char *) (m + 1);
if (pthread_mutexattr_init (&a) != 0)
{
@@ -115,23 +110,8 @@ do_test (void)
return 1;
}
-#ifdef ENABLE_PI
- if (pthread_mutexattr_setprotocol (&a, PTHREAD_PRIO_INHERIT) != 0)
+ if (pthread_mutex_init (m, &a) != 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;
}
@@ -148,30 +128,6 @@ 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)
{
@@ -186,12 +142,6 @@ 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)
@@ -201,19 +151,7 @@ do_test (void)
}
else if (pid == 0)
{
- 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;
- }
-
+ /* Play some lock ping-pong. It's our turn to unlock first. */
if ((*p)++ != 0)
{
puts ("child: *p != 0");
@@ -222,7 +160,7 @@ do_test (void)
if (pthread_mutex_unlock (m) != 0)
{
- puts ("child: mutex_unlock failed");
+ puts ("child: 1st mutex_unlock failed");
return 1;
}
@@ -230,13 +168,6 @@ 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");
@@ -249,24 +180,6 @@ 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");
}