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-rw-r--r--lib/libc/stdio/fgetc.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/lib/libc/stdio/fgetc.c b/lib/libc/stdio/fgetc.c
index 800846c..7e2738f 100644
--- a/lib/libc/stdio/fgetc.c
+++ b/lib/libc/stdio/fgetc.c
@@ -39,9 +39,22 @@ static char sccsid[] = "@(#)fgetc.c 8.1 (Berkeley) 6/4/93";
#endif /* LIBC_SCCS and not lint */
#include <stdio.h>
+#ifdef _THREAD_SAFE
+#include <pthread.h>
+#include "pthread_private.h"
+#endif
+int
fgetc(fp)
FILE *fp;
{
- return (__sgetc(fp));
+ int retval;
+#ifdef _THREAD_SAFE
+ _thread_flockfile(fp,__FILE__,__LINE__);
+#endif
+ retval = __sgetc(fp);
+#ifdef _THREAD_SAFE
+ _thread_funlockfile(fp);
+#endif
+ return (retval);
}
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