diff options
Diffstat (limited to 'libio/getchar.c')
-rw-r--r-- | libio/getchar.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libio/getchar.c b/libio/getchar.c index 5b41595d17..d79932114e 100644 --- a/libio/getchar.c +++ b/libio/getchar.c @@ -33,6 +33,8 @@ int getchar (void) { int result; + if (!_IO_need_lock (_IO_stdin)) + return _IO_getc_unlocked (_IO_stdin); _IO_acquire_lock (_IO_stdin); result = _IO_getc_unlocked (_IO_stdin); _IO_release_lock (_IO_stdin); |