struct __libc {
int *(*errno_location)(void);
- void (*testcancel)(void);
int threaded;
int canceldisable;
- void (*fork_handler)(int);
int (*atexit)(void (*)(void));
void (*fini)(void);
void (*ldso_fini)(void);
/* 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)