summaryrefslogtreecommitdiff
path: root/libc/sysdeps/linux/common/bits/kernel_sigaction.h
blob: 0a35ac8cb4d7aa580b33f2a2e200774faaf4b64d (plain)
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
#ifndef _BITS_SIGACTION_STRUCT_H
#define _BITS_SIGACTION_STRUCT_H

/* This file provides whatever this particular arch's kernel thinks
 * the sigaction struct should look like... */


#if defined(__ia64__)

#undef HAVE_SA_RESTORER

#else

#define HAVE_SA_RESTORER
/* This is the sigaction structure from the Linux 2.1.20 kernel.  */
struct old_kernel_sigaction {
	__sighandler_t k_sa_handler;
	unsigned long sa_mask;
	unsigned long sa_flags;
	void (*sa_restorer)(void);
};
/* In uclibc, userspace struct sigaction is identical to
 * "new" struct kernel_sigaction (one from the Linux 2.1.68 kernel).
 * See sigaction.h
 */

extern int __syscall_sigaction(int, const struct old_kernel_sigaction *,
	struct old_kernel_sigaction *);

#endif


extern int __syscall_rt_sigaction(int, const struct sigaction *,
	struct sigaction *, size_t);

#endif /* _BITS_SIGACTION_STRUCT_H */