X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=src%2Finternal%2Flibc.h;h=78fca47fccd53eb60eb4745442ba2608341e8e7b;hp=45d5c9e785f9318123559cdf9b309581e176d742;hb=af3330d7648627816fbc82aa3247419e8a528230;hpb=bae2e52bfd676c447862b9baec535db401aab075

diff --git a/src/internal/libc.h b/src/internal/libc.h
index 45d5c9e7..78fca47f 100644
--- a/src/internal/libc.h
+++ b/src/internal/libc.h
@@ -15,13 +15,16 @@ struct __libc {
 	volatile int threads_minus_1;
 	int canceldisable;
 	FILE *ofl_head;
-	int ofl_lock;
+	int ofl_lock[2];
 };
 
 
 #if !defined(__PIC__) || 100*__GNUC__+__GNUC_MINOR__ >= 303 || defined(__PCC__) || defined(__TINYC__)
 
 #ifdef __PIC__
+#if __GNUC__ < 4
+#define BROKEN_VISIBILITY 1
+#endif
 #define ATTR_LIBC_VISIBILITY __attribute__((visibility("hidden"))) 
 #else
 #define ATTR_LIBC_VISIBILITY
@@ -42,10 +45,11 @@ extern struct __libc *__libc_loc(void) __attribute__((const));
 
 /* Designed to avoid any overhead in non-threaded processes */
 void __lock(volatile int *);
+void __unlock(volatile int *);
 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 UNLOCK(x) (libc.threads_minus_1 ? (__unlock(x),1) : ((void)(x),1))
 
 void __synccall(void (*)(void *), void *);
 void __synccall_wait(void);