diff options
Diffstat (limited to 'stdio-common/ftrylockfile.c')
| -rw-r--r-- | stdio-common/ftrylockfile.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/stdio-common/ftrylockfile.c b/stdio-common/ftrylockfile.c index 4f7e2dd617..f7e2ef6137 100644 --- a/stdio-common/ftrylockfile.c +++ b/stdio-common/ftrylockfile.c @@ -17,14 +17,13 @@ <https://www.gnu.org/licenses/>. */ #include <stdio.h> - -#undef _IO_ftrylockfile +#include <stdio-lock.h> +#include <sys/single_threaded.h> int __ftrylockfile (FILE *stream) { - /* Do nothing. Using this version does not do any locking. */ - return 1; + return _IO_lock_trylock (*stream->_lock); } weak_alias (__ftrylockfile, ftrylockfile); weak_alias (__ftrylockfile, _IO_ftrylockfile) |