diff options
Diffstat (limited to 'newlib/libc/stdio/findfp.c')
| -rw-r--r-- | newlib/libc/stdio/findfp.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/newlib/libc/stdio/findfp.c b/newlib/libc/stdio/findfp.c index 27408f548..975a855c2 100644 --- a/newlib/libc/stdio/findfp.c +++ b/newlib/libc/stdio/findfp.c @@ -293,7 +293,8 @@ static int _DEFUN(__fp_lock, (ptr), FILE * ptr) { - _flockfile (ptr); + if (!(ptr->_flags2 & __SNLK)) + _flockfile (ptr); return 0; } @@ -303,7 +304,8 @@ static int _DEFUN(__fp_unlock, (ptr), FILE * ptr) { - _funlockfile (ptr); + if (!(ptr->_flags2 & __SNLK)) + _funlockfile (ptr); return 0; } |