1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
#ifndef _ERRNO_H
#include <stdlib/errno.h>
#if defined _ERRNO_H && !defined _ISOMAC && !defined __cplusplus
# ifdef IS_IN_rtld
# include <dl-sysdep.h>
# endif
# if RTLD_PRIVATE_ERRNO
/* The dynamic linker uses its own private errno variable.
All access to errno inside the dynamic linker is serialized,
so a single (hidden) global variable is all it needs. */
# undef errno
# define errno rtld_errno
extern int rtld_errno attribute_hidden;
# elif !defined NOT_IN_libc || defined IN_LIB
# include <tls.h>
# if !(defined(__GNU__) && defined IS_IN_rtld)
# undef errno
# ifndef NOT_IN_libc
# define errno __libc_errno
# else
# define errno errno /* For #ifndef errno tests. */
# endif
extern __thread int errno attribute_tls_model_ie;
# endif
# endif /* !NOT_IN_libc || IN_LIB */
# define __set_errno(val) (errno = (val))
# ifndef __ASSEMBLER__
extern int *__errno_location (void) __THROW __attribute__ ((__const__))
# if RTLD_PRIVATE_ERRNO
attribute_hidden
# endif
;
libc_hidden_proto (__errno_location)
# endif
#endif /* _ERRNO_H */
#endif /* ! _ERRNO_H */
|
