From 5eb0d33ec0f08b123c5c10877d6258d05fa9453a Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Sat, 12 Mar 2011 21:55:45 -0500 Subject: implement flockfile api, rework stdio locking --- src/internal/libc.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'src/internal/libc.h') diff --git a/src/internal/libc.h b/src/internal/libc.h index e81ef760..3d09bf6a 100644 --- a/src/internal/libc.h +++ b/src/internal/libc.h @@ -15,6 +15,9 @@ struct __libc { int (*rsyscall)(int, long, long, long, long, long, long); void (**tsd_keys)(void *); void (*fork_handler)(int); + FILE *ofl_head; + int ofl_lock; + void (*lockfile)(FILE *); }; @@ -36,6 +39,7 @@ extern struct __libc *__libc_loc(void) __attribute__((const)); /* Designed to avoid any overhead in non-threaded processes */ void __lock(volatile int *); +void __lockfile(FILE *); #define LOCK(x) (libc.threads_minus_1 ? (__lock(x),1) : ((void)(x),1)) #define UNLOCK(x) (*(x)=0) #define CANCELPT(x) (libc.cancelpt ? libc.cancelpt((x)),0 : (void)(x),0) -- cgit v1.2.1