diff options
| author | Ulrich Drepper <drepper@redhat.com> | 2002-12-13 23:05:35 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2002-12-13 23:05:35 +0000 |
| commit | 3b7c07d8f2a4ab7317a630c3240e2fc5f5d4e681 (patch) | |
| tree | ff154aa44f9b484997fb27bdb995bd6f60b3afce /nptl | |
| parent | b7bdd9c4c9b808f9678fb81b74f9347e7464240d (diff) | |
| download | glibc-3b7c07d8f2a4ab7317a630c3240e2fc5f5d4e681.tar.gz glibc-3b7c07d8f2a4ab7317a630c3240e2fc5f5d4e681.tar.xz glibc-3b7c07d8f2a4ab7317a630c3240e2fc5f5d4e681.zip | |
(test_loaded): Don't overwrite a value another thread might have found.
Diffstat (limited to 'nptl')
| -rw-r--r-- | nptl/forward.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/nptl/forward.c b/nptl/forward.c index 441a7f25ea..6c278c0690 100644 --- a/nptl/forward.c +++ b/nptl/forward.c @@ -22,6 +22,7 @@ #include <stdlib.h> #include <shlib-compat.h> +#include <atomic.h> #if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_3_2) @@ -33,7 +34,7 @@ test_loaded (void) { /* While we are getting the result set the handle to (void *) -1 to avoid recursive calls. */ - libpthread_handle = (void *) -1l; + atomic_compare_and_exchange_acq (&libpthread_handle, (void *) -1l, NULL); void *h = __libc_dlopen_mode ("libpthread.so.0", RTLD_LAZY | RTLD_NOLOAD); |