diff options
-rw-r--r-- | include/stdio.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/stdio.h b/include/stdio.h index 8617fea042..419b58cb51 100644 --- a/include/stdio.h +++ b/include/stdio.h @@ -56,6 +56,10 @@ extern void __flockfile (FILE *__stream); /* Relinquish the ownership granted for STREAM. */ extern void __funlockfile (FILE *__stream); +/* Try to acquire ownership of STREAM but do not block if it is not + possible. */ +extern int __ftrylockfile (FILE *__stream); + # endif #endif |