Logo Search packages:      
Sourcecode: linux version File versions  Download package

signal.h

#ifndef _ASM_IA64_SIGNAL_H
#define _ASM_IA64_SIGNAL_H

/*
 * Modified 1998-2001, 2003
 *    David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co
 *
 * Unfortunately, this file is being included by bits/signal.h in
 * glibc-2.x.  Hence the #ifdef __KERNEL__ ugliness.
 */

#define SIGHUP           1
#define SIGINT           2
#define SIGQUIT          3
#define SIGILL           4
#define SIGTRAP          5
#define SIGABRT          6
#define SIGIOT           6
#define SIGBUS           7
#define SIGFPE           8
#define SIGKILL          9
#define SIGUSR1         10
#define SIGSEGV         11
#define SIGUSR2         12
#define SIGPIPE         13
#define SIGALRM         14
#define SIGTERM         15
#define SIGSTKFLT 16
#define SIGCHLD         17
#define SIGCONT         18
#define SIGSTOP         19
#define SIGTSTP         20
#define SIGTTIN         21
#define SIGTTOU         22
#define SIGURG          23
#define SIGXCPU         24
#define SIGXFSZ         25
#define SIGVTALRM 26
#define SIGPROF         27
#define SIGWINCH  28
#define SIGIO           29
#define SIGPOLL         SIGIO
/*
#define SIGLOST         29
*/
#define SIGPWR          30
#define SIGSYS          31
/* signal 31 is no longer "unused", but the SIGUNUSED macro remains for backwards compatibility */
#define     SIGUNUSED   31

/* These should not be considered constants from userland.  */
#define SIGRTMIN  32
#define SIGRTMAX  _NSIG

/*
 * SA_FLAGS values:
 *
 * SA_ONSTACK indicates that a registered stack_t will be used.
 * SA_RESTART flag to get restarting signals (which were the default long ago)
 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
 * SA_RESETHAND clears the handler when the signal is delivered.
 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
 * SA_NODEFER prevents the current signal from being masked in the handler.
 *
 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
 * Unix names RESETHAND and NODEFER respectively.
 */
#define SA_NOCLDSTOP    0x00000001
#define SA_NOCLDWAIT    0x00000002
#define SA_SIGINFO      0x00000004
#define SA_ONSTACK      0x08000000
#define SA_RESTART      0x10000000
#define SA_NODEFER      0x40000000
#define SA_RESETHAND    0x80000000

#define SA_NOMASK SA_NODEFER
#define SA_ONESHOT      SA_RESETHAND

#define SA_RESTORER     0x04000000

/*
 * sigaltstack controls
 */
#define SS_ONSTACK      1
#define SS_DISABLE      2

/*
 * The minimum stack size needs to be fairly large because we want to
 * be sure that an app compiled for today's CPUs will continue to run
 * on all future CPU models.  The CPU model matters because the signal
 * frame needs to have space for the complete machine state, including
 * all physical stacked registers.  The number of physical stacked
 * registers is CPU model dependent, but given that the width of
 * ar.rsc.loadrs is 14 bits, we can assume that they'll never take up
 * more than 16KB of space.
 */
#if 1
  /*
   * This is a stupid typo: the value was _meant_ to be 131072 (0x20000), but I typed it
   * in wrong. ;-(  To preserve backwards compatibility, we leave the kernel at the
   * incorrect value and fix libc only.
   */
# define MINSIGSTKSZ    131027      /* min. stack size for sigaltstack() */
#else
# define MINSIGSTKSZ    131072      /* min. stack size for sigaltstack() */
#endif
#define SIGSTKSZ  262144      /* default stack size for sigaltstack() */

#ifdef __KERNEL__

#define _NSIG           64
#define _NSIG_BPW 64
#define _NSIG_WORDS     (_NSIG / _NSIG_BPW)

#endif /* __KERNEL__ */

#include <asm-generic/signal.h>

# ifndef __ASSEMBLY__

#  include <linux/types.h>

/* Avoid too many header ordering problems.  */
struct siginfo;

typedef struct sigaltstack {
      void __user *ss_sp;
      int ss_flags;
      size_t ss_size;
} stack_t;

#ifdef __KERNEL__

/* Most things should be clean enough to redefine this at will, if care
   is taken to make libc match.  */

typedef unsigned long old_sigset_t;

typedef struct {
      unsigned long sig[_NSIG_WORDS];
} sigset_t;

struct sigaction {
      __sighandler_t sa_handler;
      unsigned long sa_flags;
      sigset_t sa_mask;       /* mask last for extensibility */
};

struct k_sigaction {
      struct sigaction sa;
};

#  include <asm/sigcontext.h>

#define ptrace_signal_deliver(regs, cookie) do { } while (0)

#endif /* __KERNEL__ */

# endif /* !__ASSEMBLY__ */
#endif /* _ASM_IA64_SIGNAL_H */

Generated by  Doxygen 1.6.0   Back to index