linux-stable/include/asm-generic/siginfo.h
Al Viro ce39596048 constify copy_siginfo_to_user{,32}()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-11-09 00:16:29 -05:00

37 lines
917 B
C

#ifndef _ASM_GENERIC_SIGINFO_H
#define _ASM_GENERIC_SIGINFO_H
#include <uapi/asm-generic/siginfo.h>
#define __SI_MASK 0xffff0000u
#define __SI_KILL (0 << 16)
#define __SI_TIMER (1 << 16)
#define __SI_POLL (2 << 16)
#define __SI_FAULT (3 << 16)
#define __SI_CHLD (4 << 16)
#define __SI_RT (5 << 16)
#define __SI_MESGQ (6 << 16)
#define __SI_SYS (7 << 16)
#define __SI_CODE(T,N) ((T) | ((N) & 0xffff))
struct siginfo;
void do_schedule_next_timer(struct siginfo *info);
#ifndef HAVE_ARCH_COPY_SIGINFO
#include <linux/string.h>
static inline void copy_siginfo(struct siginfo *to, struct siginfo *from)
{
if (from->si_code < 0)
memcpy(to, from, sizeof(*to));
else
/* _sigchld is currently the largest know union member */
memcpy(to, from, __ARCH_SI_PREAMBLE_SIZE + sizeof(from->_sifields._sigchld));
}
#endif
extern int copy_siginfo_to_user(struct siginfo __user *to, const struct siginfo *from);
#endif