diff options
Diffstat (limited to 'lib/libc/stdio/getchar.c')
| -rw-r--r-- | lib/libc/stdio/getchar.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/lib/libc/stdio/getchar.c b/lib/libc/stdio/getchar.c index 20e52b79193e..7aeef8af645f 100644 --- a/lib/libc/stdio/getchar.c +++ b/lib/libc/stdio/getchar.c @@ -42,10 +42,23 @@ static char sccsid[] = "@(#)getchar.c 8.1 (Berkeley) 6/4/93"; * A subroutine version of the macro getchar. */ #include <stdio.h> +#ifdef _THREAD_SAFE +#include <pthread.h> +#include "pthread_private.h" +#endif #undef getchar +int getchar() { - return (getc(stdin)); + int retval; +#ifdef _THREAD_SAFE + _thread_flockfile(stdin,__FILE__,__LINE__); +#endif + retval = getc(stdin); +#ifdef _THREAD_SAFE + _thread_funlockfile(stdin); +#endif + return (retval); } |