72 lines
1.6 KiB
C
72 lines
1.6 KiB
C
#ifndef LIBC_H
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#define LIBC_H
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#include <stdlib.h>
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#include <stdio.h>
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struct __libc {
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void *main_thread;
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int threaded;
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int secure;
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size_t *auxv;
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int (*atexit)(void (*)(void));
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void (*fini)(void);
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void (*ldso_fini)(void);
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volatile int threads_minus_1;
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int canceldisable;
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FILE *ofl_head;
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int ofl_lock[2];
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size_t tls_size;
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};
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extern size_t __hwcap;
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#if !defined(__PIC__) || (100*__GNUC__+__GNUC_MINOR__ >= 303 && !defined(__PCC__))
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#ifdef __PIC__
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#if __GNUC__ < 4
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#define BROKEN_VISIBILITY 1
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#endif
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#define ATTR_LIBC_VISIBILITY __attribute__((visibility("hidden")))
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#else
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#define ATTR_LIBC_VISIBILITY
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#endif
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extern struct __libc __libc ATTR_LIBC_VISIBILITY;
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#define libc __libc
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#else
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#define USE_LIBC_ACCESSOR
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#define ATTR_LIBC_VISIBILITY
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extern struct __libc *__libc_loc(void) __attribute__((const));
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#define libc (*__libc_loc())
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#endif
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/* Designed to avoid any overhead in non-threaded processes */
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void __lock(volatile int *) ATTR_LIBC_VISIBILITY;
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void __unlock(volatile int *) ATTR_LIBC_VISIBILITY;
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int __lockfile(FILE *) ATTR_LIBC_VISIBILITY;
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void __unlockfile(FILE *) ATTR_LIBC_VISIBILITY;
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#define LOCK(x) (libc.threads_minus_1 ? (__lock(x),1) : ((void)(x),1))
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#define UNLOCK(x) (libc.threads_minus_1 ? (__unlock(x),1) : ((void)(x),1))
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void __synccall(void (*)(void *), void *);
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int __setxid(int, int, int, int);
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extern char **__environ;
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#define environ __environ
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#undef weak_alias
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#define weak_alias(old, new) \
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extern __typeof(old) new __attribute__((weak, alias(#old)))
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#undef LFS64_2
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#define LFS64_2(x, y) weak_alias(x, y)
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#undef LFS64
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#define LFS64(x) LFS64_2(x, x##64)
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#endif
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