src/internal/libc.h

   1 #ifndef LIBC_H
   2 #define LIBC_H
   3
   4 #include <stdlib.h>
   5 #include <stdio.h>
   6 #include <limits.h>
   7
   8 struct __locale_map;
   9
  10 struct __locale_struct {
  11         const struct __locale_map *volatile cat[6];
  12 };
  13
  14 struct tls_module {
  15         struct tls_module *next;
  16         void *image;
  17         size_t len, size, align, offset;
  18 };
  19
  20 struct __libc {
  21         int can_do_threads;
  22         int threaded;
  23         int secure;
  24         volatile int threads_minus_1;
  25         size_t *auxv;
  26         struct tls_module *tls_head;
  27         size_t tls_size, tls_align, tls_cnt;
  28         size_t page_size;
  29         struct __locale_struct global_locale;
  30 };
  31
  32 #ifndef PAGE_SIZE
  33 #define PAGE_SIZE libc.page_size
  34 #endif
  35
  36 extern hidden struct __libc __libc;
  37 #define libc __libc
  38
  39 hidden void __init_libc(char **, char *);
  40 hidden void __init_tls(size_t *);
  41 hidden void __init_ssp(void *);
  42 hidden void __libc_start_init(void);
  43 hidden void __funcs_on_exit(void);
  44 hidden void __funcs_on_quick_exit(void);
  45 hidden void __libc_exit_fini(void);
  46 hidden void __fork_handler(int);
  47
  48 extern hidden size_t __hwcap;
  49 extern hidden size_t __sysinfo;
  50 extern char *__progname, *__progname_full;
  51
  52 extern hidden const char __libc_version[];
  53
  54 /* Designed to avoid any overhead in non-threaded processes */
  55 hidden void __lock(volatile int *);
  56 hidden void __unlock(volatile int *);
  57 #define LOCK(x) __lock(x)
  58 #define UNLOCK(x) __unlock(x)
  59
  60 hidden void __synccall(void (*)(void *), void *);
  61 hidden int __setxid(int, int, int, int);
  62
  63 #endif