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-rw-r--r--lib/libc/stdio/getchar.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/lib/libc/stdio/getchar.c b/lib/libc/stdio/getchar.c
index 20e52b7..0bcbd3a 100644
--- a/lib/libc/stdio/getchar.c
+++ b/lib/libc/stdio/getchar.c
@@ -35,17 +35,34 @@
*/
#if defined(LIBC_SCCS) && !defined(lint)
+#if 0
static char sccsid[] = "@(#)getchar.c 8.1 (Berkeley) 6/4/93";
+#endif
+static const char rcsid[] =
+ "$Id$";
#endif /* LIBC_SCCS and not lint */
/*
* 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);
}
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