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| author | julian <julian@FreeBSD.org> | 1996-01-22 00:02:33 +0000 |
|---|---|---|
| committer | julian <julian@FreeBSD.org> | 1996-01-22 00:02:33 +0000 |
| commit | 619b731f5bb5e09dcf1eaf1fbd96383ca64398fd (patch) | |
| tree | a89c7f50ec371cef4418259b9dccdd31ebb2f61f /lib/libc/stdio/scanf.c | |
| parent | 663b14fb2f3198fb0bfb62ae16b6b56c2a4dd055 (diff) | |
| download | FreeBSD-src-619b731f5bb5e09dcf1eaf1fbd96383ca64398fd.zip FreeBSD-src-619b731f5bb5e09dcf1eaf1fbd96383ca64398fd.tar.gz | |
Reviewed by: julian and (hsu?)
Submitted by: John Birrel(L?)
changes for threadsafe operations
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 d36b13a..5faf018 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); } |
