X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Finternal%2Flibc.h;h=929ff97ae4257d8493d6c6c0e7c32c6ce58c5445;hb=dba68bf98fc708cea4c478278c889fc7ad802b00;hp=ea221b6f9a4deeaba93e0879aeb333298009401f;hpb=e9417fffb39c299e556c5ad0c1545f0c02618e3c;p=musl diff --git a/src/internal/libc.h b/src/internal/libc.h index ea221b6f..929ff97a 100644 --- a/src/internal/libc.h +++ b/src/internal/libc.h @@ -4,28 +4,47 @@ #include #include -#define libc __libc -extern struct libc { - void (*lock)(volatile int *); - void (*cancelpt)(int); +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); - int *(*errno_location)(void); volatile int threads_minus_1; - int (*rsyscall)(int, long, long, long, long, long, long); - void (**tsd_keys)(void *); - void (*fork_handler)(int); -} libc; + int ofl_lock; + FILE *ofl_head; + void *main_thread; +}; + + +#if 100*__GNUC__+__GNUC_MINOR__ >= 303 || defined(__PCC__) || defined(__TINYC__) +extern struct __libc __libc __attribute__((visibility("hidden"))); +#define libc __libc + +#elif !defined(__PIC__) +extern struct __libc __libc; +#define libc __libc + +#else +#define USE_LIBC_ACCESSOR +extern struct __libc *__libc_loc(void) __attribute__((const)); +#define libc (*__libc_loc()) + +#endif /* Designed to avoid any overhead in non-threaded processes */ void __lock(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 CANCELPT(x) (libc.cancelpt ? libc.cancelpt((x)),0 : (void)(x),0) -#define CANCELPT_BEGIN CANCELPT(1) -#define CANCELPT_END CANCELPT(0) +#define UNLOCK(x) (*(volatile int *)(x)=0) + +void __synccall(void (*)(void *), void *); +int __setxid(int, int, int, int); extern char **__environ; #define environ __environ