From: Jakub Jelinek <jakub@redhat.com>
To: Ulrich Drepper <drepper@redhat.com>, Roland McGrath <roland@redhat.com>
Cc: Glibc hackers <libc-hacker@sources.redhat.com>
Subject: [PATCH] Fix get_proc_path
Date: Thu, 03 Apr 2003 11:02:00 -0000 [thread overview]
Message-ID: <20030403110213.GQ16629@sunsite.ms.mff.cuni.cz> (raw)
Hi!
atomic_compare_and_exchange_bool_acq returns non-zero if it failed to
exchange. This fixes getconf _NPROCESSORS_ONLN on my box.
2003-04-03 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/getsysstats.c (get_proc_path): Reverse test
for atomic_compare_and_exchange_bool_acq failure.
--- libc/sysdeps/unix/sysv/linux/getsysstats.c.jj 2003-03-21 05:17:37.000000000 -0500
+++ libc/sysdeps/unix/sysv/linux/getsysstats.c 2003-04-03 05:31:09.000000000 -0500
@@ -85,7 +85,7 @@ get_proc_path (char *buffer, size_t bufs
/* Now store the copied value. But do it atomically. */
assert (sizeof (long int) == sizeof (void *__unbounded));
- if (! atomic_compare_and_exchange_bool_acq (&mount_proc, copy_result, NULL))
+ if (atomic_compare_and_exchange_bool_acq (&mount_proc, copy_result, NULL))
/* Replacing the value failed. This means another thread was
faster and we don't need the copy anymore. */
free (copy_result);
Jakub
next reply other threads:[~2003-04-03 11:02 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-03 11:02 Jakub Jelinek [this message]
2003-04-03 18:48 ` Ulrich Drepper
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