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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 at redhat dot 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
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