File: errno.h

package info (click to toggle)
glibc 2.42-6
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 312,360 kB
  • sloc: ansic: 1,060,858; asm: 238,416; makefile: 20,960; python: 13,509; sh: 11,828; cpp: 5,188; awk: 1,794; perl: 317; yacc: 292; pascal: 182; sed: 19
file content (45 lines) | stat: -rw-r--r-- 1,110 bytes parent folder | download | duplicates (5)
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
#ifndef _ERRNO_H
#include <stdlib/errno.h>
#if !defined _ISOMAC && !defined __ASSEMBLER__

# if IS_IN (rtld)
#  include <dl-sysdep.h>
#  ifndef RTLD_PRIVATE_ERRNO
#   error "dl-sysdep.h must define RTLD_PRIVATE_ERRNO!"
#  endif
# else
#  define RTLD_PRIVATE_ERRNO	0
# 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 IS_IN_LIB && !IS_IN (rtld) && !defined LIBC_NONSHARED

#  undef  errno
#  if IS_IN (libc)
#   define errno __libc_errno
#  else
#   define errno errno		/* For #ifndef errno tests.  */
#  endif
extern __thread int errno attribute_tls_model_ie;

# endif	/* IS_IN_LIB */

# define __set_errno(val) (errno = (val))

extern int *__errno_location (void) __THROW __attribute_const__
#  if RTLD_PRIVATE_ERRNO
     attribute_hidden
#  endif
;
libc_hidden_proto (__errno_location)

#endif /* !_ISOMAC && !__ASSEMBLER__ */
#endif /* !_ERRNO_H */