diff options
Diffstat (limited to 'lib/libc/stdio/scanf.c')
| -rw-r--r-- | lib/libc/stdio/scanf.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/lib/libc/stdio/scanf.c b/lib/libc/stdio/scanf.c index d36b13a9ed55..5faf018711d3 100644 --- a/lib/libc/stdio/scanf.c +++ b/lib/libc/stdio/scanf.c @@ -44,10 +44,16 @@ static char sccsid[] = "@(#)scanf.c 8.1 (Berkeley) 6/4/93"; #else #include <varargs.h> #endif +#ifdef _THREAD_SAFE +#include <pthread.h> +#include "pthread_private.h" +#endif #if __STDC__ +int scanf(char const *fmt, ...) #else +int scanf(fmt, va_alist) char *fmt; va_dcl @@ -61,7 +67,13 @@ scanf(fmt, va_alist) #else va_start(ap); #endif +#ifdef _THREAD_SAFE + _thread_flockfile(stdin,__FILE__,__LINE__); +#endif ret = __svfscanf(stdin, fmt, ap); va_end(ap); +#ifdef _THREAD_SAFE + _thread_funlockfile(stdin); +#endif return (ret); } |