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add proper fuxed-based locking for stdio
[musl]
/
src
/
internal
/
libc.h
diff --git
a/src/internal/libc.h
b/src/internal/libc.h
index
906de2c
..
929ff97
100644
(file)
--- a/
src/internal/libc.h
+++ b/
src/internal/libc.h
@@
-38,7
+38,8
@@
extern struct __libc *__libc_loc(void) __attribute__((const));
/* Designed to avoid any overhead in non-threaded processes */
void __lock(volatile int *);
/* Designed to avoid any overhead in non-threaded processes */
void __lock(volatile int *);
-void __lockfile(FILE *);
+int __lockfile(FILE *);
+void __unlockfile(FILE *);
#define LOCK(x) (libc.threads_minus_1 ? (__lock(x),1) : ((void)(x),1))
#define UNLOCK(x) (*(volatile int *)(x)=0)
#define LOCK(x) (libc.threads_minus_1 ? (__lock(x),1) : ((void)(x),1))
#define UNLOCK(x) (*(volatile int *)(x)=0)