161 lines
4.0 KiB
C
161 lines
4.0 KiB
C
#ifndef _ASM_IA64_SIGNAL_H
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#define _ASM_IA64_SIGNAL_H
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/*
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* Modified 1998-2001, 2003
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* David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co
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*
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* Unfortunately, this file is being included by bits/signal.h in
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* glibc-2.x. Hence the #ifdef __KERNEL__ ugliness.
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*/
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#define SIGHUP 1
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#define SIGINT 2
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#define SIGQUIT 3
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#define SIGILL 4
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#define SIGTRAP 5
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#define SIGABRT 6
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#define SIGIOT 6
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#define SIGBUS 7
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#define SIGFPE 8
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#define SIGKILL 9
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#define SIGUSR1 10
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#define SIGSEGV 11
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#define SIGUSR2 12
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#define SIGPIPE 13
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#define SIGALRM 14
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#define SIGTERM 15
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#define SIGSTKFLT 16
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#define SIGCHLD 17
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#define SIGCONT 18
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#define SIGSTOP 19
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#define SIGTSTP 20
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#define SIGTTIN 21
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#define SIGTTOU 22
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#define SIGURG 23
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#define SIGXCPU 24
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#define SIGXFSZ 25
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#define SIGVTALRM 26
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#define SIGPROF 27
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#define SIGWINCH 28
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#define SIGIO 29
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#define SIGPOLL SIGIO
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/*
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#define SIGLOST 29
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*/
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#define SIGPWR 30
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#define SIGSYS 31
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/* signal 31 is no longer "unused", but the SIGUNUSED macro remains for backwards compatibility */
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#define SIGUNUSED 31
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/* These should not be considered constants from userland. */
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#define SIGRTMIN 32
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#define SIGRTMAX _NSIG
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/*
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* SA_FLAGS values:
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*
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* SA_ONSTACK indicates that a registered stack_t will be used.
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* SA_RESTART flag to get restarting signals (which were the default long ago)
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* SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
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* SA_RESETHAND clears the handler when the signal is delivered.
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* SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
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* SA_NODEFER prevents the current signal from being masked in the handler.
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*
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* SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
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* Unix names RESETHAND and NODEFER respectively.
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*/
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#define SA_NOCLDSTOP 0x00000001
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#define SA_NOCLDWAIT 0x00000002
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#define SA_SIGINFO 0x00000004
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#define SA_ONSTACK 0x08000000
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#define SA_RESTART 0x10000000
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#define SA_NODEFER 0x40000000
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#define SA_RESETHAND 0x80000000
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#define SA_NOMASK SA_NODEFER
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#define SA_ONESHOT SA_RESETHAND
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#define SA_RESTORER 0x04000000
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/*
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* sigaltstack controls
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*/
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#define SS_ONSTACK 1
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#define SS_DISABLE 2
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/*
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* The minimum stack size needs to be fairly large because we want to
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* be sure that an app compiled for today's CPUs will continue to run
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* on all future CPU models. The CPU model matters because the signal
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* frame needs to have space for the complete machine state, including
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* all physical stacked registers. The number of physical stacked
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* registers is CPU model dependent, but given that the width of
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* ar.rsc.loadrs is 14 bits, we can assume that they'll never take up
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* more than 16KB of space.
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*/
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#if 1
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/*
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* This is a stupid typo: the value was _meant_ to be 131072 (0x20000), but I typed it
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* in wrong. ;-( To preserve backwards compatibility, we leave the kernel at the
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* incorrect value and fix libc only.
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*/
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# define MINSIGSTKSZ 131027 /* min. stack size for sigaltstack() */
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#else
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# define MINSIGSTKSZ 131072 /* min. stack size for sigaltstack() */
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#endif
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#define SIGSTKSZ 262144 /* default stack size for sigaltstack() */
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#ifdef __KERNEL__
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#define _NSIG 64
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#define _NSIG_BPW 64
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#define _NSIG_WORDS (_NSIG / _NSIG_BPW)
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#endif /* __KERNEL__ */
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#include <asm-generic/signal-defs.h>
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# ifndef __ASSEMBLY__
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# include <linux/types.h>
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/* Avoid too many header ordering problems. */
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struct siginfo;
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typedef struct sigaltstack {
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void __user *ss_sp;
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int ss_flags;
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size_t ss_size;
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} stack_t;
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#ifdef __KERNEL__
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/* Most things should be clean enough to redefine this at will, if care
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is taken to make libc match. */
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typedef unsigned long old_sigset_t;
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typedef struct {
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unsigned long sig[_NSIG_WORDS];
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} sigset_t;
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struct sigaction {
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__sighandler_t sa_handler;
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unsigned long sa_flags;
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sigset_t sa_mask; /* mask last for extensibility */
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};
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struct k_sigaction {
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struct sigaction sa;
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};
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# include <asm/sigcontext.h>
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#define ptrace_signal_deliver(regs, cookie) do { } while (0)
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#endif /* __KERNEL__ */
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# endif /* !__ASSEMBLY__ */
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#endif /* _ASM_IA64_SIGNAL_H */
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