diff options
| author | Ulrich Drepper <drepper@redhat.com> | 2003-09-17 08:47:44 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2003-09-17 08:47:44 +0000 |
| commit | a4db3439f1177cf5c5ceb80bfa3f3a2cef00fc0e (patch) | |
| tree | e21a8cd5a2222281888d37b530d360e92995abd7 /nptl/cond-perf.c | |
| parent | 6c052003bda07641309dcd4fe4a5158d24f5d607 (diff) | |
Update.
2003-09-15 Jakub Jelinek <jakub@redhat.com>
* sysdeps/i386/Makefile (sysdep-CFLAGS): If not in math or csu
subdir, add -mpreferred-stack-boundary=4, with few exceptions.
2003-09-17 Jakub Jelinek <jakub@redhat.com>
* Makeconfig (stack-align-test-flags): Set.
* stdlib/Makefile (CFLAGS-tst-bsearch.c): Add
$(stack-align-test-flags).
* stdlib/tst-bsearch.c: Include tst-stack-align.h.
(align_check): New var.
(comp): Use TEST_STACK_ALIGN macro.
(do_test): Fail if align_check != 1.
* sysdeps/generic/tst-stack-align.h: New file.
* sysdeps/i386/i686/Makefile (stack-align-test-flags): Add -msse.
* sysdeps/i386/i686/tst-stack-align.h: New file.
Diffstat (limited to 'nptl/cond-perf.c')
| -rw-r--r-- | nptl/cond-perf.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/nptl/cond-perf.c b/nptl/cond-perf.c index 53d85637b8..e37914e6b7 100644 --- a/nptl/cond-perf.c +++ b/nptl/cond-perf.c @@ -4,6 +4,7 @@ #include <stdlib.h> #include <string.h> #include <unistd.h> +#include <atomic.h> static pthread_cond_t cond1 = PTHREAD_COND_INITIALIZER; static pthread_mutex_t mut1 = PTHREAD_MUTEX_INITIALIZER; @@ -23,7 +24,7 @@ cons (void *arg) do { - if (--ntogo == 0) + if (atomic_decrement_and_test (&ntogo)) { pthread_mutex_lock (&mut2); alldone = true; @@ -68,11 +69,11 @@ main (int argc, char *argv[]) pthread_t th[nthreads]; int i; - for (i = 0; i < nthreads; ++i) + for (i = 0; __builtin_expect (i < nthreads, 1); ++i) if (__builtin_expect ((err = pthread_create (&th[i], NULL, cons, (void *) (long) i)) != 0, 0)) printf ("pthread_create: %s\n", strerror (err)); - for (i = 0; i < nrounds; ++i) + for (i = 0; __builtin_expect (i < nrounds, 1); ++i) { pthread_mutex_lock (&mut2); while (! alldone) |