X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=src%2Finternal%2Flibc.h;h=78fca47fccd53eb60eb4745442ba2608341e8e7b;hp=3f1e55e53ac5e4556c2becced197b75e8203f55b;hb=af3330d7648627816fbc82aa3247419e8a528230;hpb=feee98903cd8119d9a3db62589246a940f44a9f5 diff --git a/src/internal/libc.h b/src/internal/libc.h index 3f1e55e5..78fca47f 100644 --- a/src/internal/libc.h +++ b/src/internal/libc.h @@ -5,30 +5,38 @@ #include struct __libc { - int *(*errno_location)(void); - void (*testcancel)(void); - void (*lock)(volatile int *); - void (*lockfile)(FILE *); - void (*fork_handler)(int); + void *main_thread; + int threaded; + int secure; + size_t *auxv; int (*atexit)(void (*)(void)); void (*fini)(void); void (*ldso_fini)(void); volatile int threads_minus_1; - int ofl_lock; + int canceldisable; FILE *ofl_head; + int ofl_lock[2]; }; -#if 100*__GNUC__+__GNUC_MINOR__ >= 303 || defined(__PCC__) || defined(__TINYC__) -extern struct __libc __libc __attribute__((visibility("hidden"))); -#define libc __libc +#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 +#endif -#elif !defined(__PIC__) -extern struct __libc __libc; +extern struct __libc __libc ATTR_LIBC_VISIBILITY; #define libc __libc #else + #define USE_LIBC_ACCESSOR +#define ATTR_LIBC_VISIBILITY extern struct __libc *__libc_loc(void) __attribute__((const)); #define libc (*__libc_loc()) @@ -37,11 +45,15 @@ extern struct __libc *__libc_loc(void) __attribute__((const)); /* Designed to avoid any overhead in non-threaded processes */ void __lock(volatile int *); -void __lockfile(FILE *); +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) (*(x)=0) +#define UNLOCK(x) (libc.threads_minus_1 ? (__unlock(x),1) : ((void)(x),1)) -int __rsyscall(int, long, long, long, long, long, long); +void __synccall(void (*)(void *), void *); +void __synccall_wait(void); +int __setxid(int, int, int, int); extern char **__environ; #define environ __environ