X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Finternal%2Flibc.h;h=39a186581cd53f55bd76da5d62e4408d02e63493;hb=33e7781b5b71eac594b6fa539f6d75939e9b676d;hp=d6df93d0a40cf9a79fe35c0a11f1db97ece05fb3;hpb=ebf82447be4b30bedc19ad868c3a0662b1ba596d;p=musl diff --git a/src/internal/libc.h b/src/internal/libc.h index d6df93d0..39a18658 100644 --- a/src/internal/libc.h +++ b/src/internal/libc.h @@ -5,31 +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; - FILE *ofl_head; int canceldisable; + FILE *ofl_head; + int ofl_lock; }; -#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__) -#elif !defined(__PIC__) -extern struct __libc __libc; +#ifdef __PIC__ +#if __GNUC__ < 4 +#define BROKEN_VISIBILITY 1 +#endif +#define ATTR_LIBC_VISIBILITY __attribute__((visibility("hidden"))) +#else +#define ATTR_LIBC_VISIBILITY +#endif + +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()) @@ -38,11 +45,14 @@ extern struct __libc *__libc_loc(void) __attribute__((const)); /* 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) (*(x)=0) +#define UNLOCK(x) (*(volatile int *)(x)=0) -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