Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
x86: merge signal_32/64.h
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
-2
include/asm-x86/Kbuild
-2
include/asm-x86/Kbuild
+263
-10
include/asm-x86/signal.h
+263
-10
include/asm-x86/signal.h
···
1
+
#ifndef _ASM_X86_SIGNAL_H
2
+
#define _ASM_X86_SIGNAL_H
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+
4
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#ifndef __ASSEMBLY__
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+
#include <linux/types.h>
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#include <linux/time.h>
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#include <linux/compiler.h>
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+
9
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/* Avoid too many header ordering problems. */
10
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struct siginfo;
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+
12
#ifdef __KERNEL__
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#include <linux/linkage.h>
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+
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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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+
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#define _NSIG 64
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+
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#ifdef __i386__
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# define _NSIG_BPW 32
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#else
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# define _NSIG_BPW 64
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#endif
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#define _NSIG_WORDS (_NSIG / _NSIG_BPW)
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+
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typedef unsigned long old_sigset_t; /* at least 32 bits */
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+
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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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+
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#else
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/* Here we must cater to libcs that poke about in kernel headers. */
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#define NSIG 32
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typedef unsigned long sigset_t;
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+
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#endif /* __KERNEL__ */
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#endif /* __ASSEMBLY__ */
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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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#define SIGUNUSED 31
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+
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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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/*
86
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* SA_FLAGS values:
87
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*
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* SA_ONSTACK indicates that a registered stack_t will be used.
89
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* SA_RESTART flag to get restarting signals (which were the default long ago)
90
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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.
93
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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 0x00000001u
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#define SA_NOCLDWAIT 0x00000002u
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#define SA_SIGINFO 0x00000004u
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#define SA_ONSTACK 0x08000000u
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#define SA_RESTART 0x10000000u
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#define SA_NODEFER 0x40000000u
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#define SA_RESETHAND 0x80000000u
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#define SA_NOMASK SA_NODEFER
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#define SA_ONESHOT SA_RESETHAND
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+
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#define SA_RESTORER 0x04000000
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+
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/*
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* sigaltstack controls
113
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*/
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#define SS_ONSTACK 1
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#define SS_DISABLE 2
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#define MINSIGSTKSZ 2048
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#define SIGSTKSZ 8192
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#include <asm-generic/signal.h>
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#ifndef __ASSEMBLY__
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#ifdef __i386__
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# ifdef __KERNEL__
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struct old_sigaction {
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__sighandler_t sa_handler;
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old_sigset_t sa_mask;
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unsigned long sa_flags;
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__sigrestore_t sa_restorer;
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};
132
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struct sigaction {
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__sighandler_t sa_handler;
135
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unsigned long sa_flags;
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__sigrestore_t sa_restorer;
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sigset_t sa_mask; /* mask last for extensibility */
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};
139
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struct k_sigaction {
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struct sigaction sa;
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};
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# else /* __KERNEL__ */
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/* Here we must cater to libcs that poke about in kernel headers. */
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struct sigaction {
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union {
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__sighandler_t _sa_handler;
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void (*_sa_sigaction)(int, struct siginfo *, void *);
150
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} _u;
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sigset_t sa_mask;
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unsigned long sa_flags;
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void (*sa_restorer)(void);
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};
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#define sa_handler _u._sa_handler
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#define sa_sigaction _u._sa_sigaction
158
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# endif /* ! __KERNEL__ */
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#else /* __i386__ */
161
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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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__sigrestore_t sa_restorer;
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sigset_t sa_mask; /* mask last for extensibility */
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};
168
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struct k_sigaction {
170
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struct sigaction sa;
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};
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#endif /* !__i386__ */
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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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#include <asm/sigcontext.h>
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#ifdef __386__
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#define __HAVE_ARCH_SIG_BITOPS
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#define sigaddset(set,sig) \
189
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(__builtin_constantp(sig) ? \
190
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__const_sigaddset((set),(sig)) : \
191
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__gen_sigaddset((set),(sig)))
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+
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static __inline__ void __gen_sigaddset(sigset_t *set, int _sig)
194
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{
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__asm__("btsl %1,%0" : "+m"(*set) : "Ir"(_sig - 1) : "cc");
196
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}
197
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static __inline__ void __const_sigaddset(sigset_t *set, int _sig)
199
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{
200
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unsigned long sig = _sig - 1;
201
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set->sig[sig / _NSIG_BPW] |= 1 << (sig % _NSIG_BPW);
202
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}
203
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#define sigdelset(set,sig) \
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(__builtin_constant_p(sig) ? \
206
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__const_sigdelset((set),(sig)) : \
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__gen_sigdelset((set),(sig)))
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static __inline__ void __gen_sigdelset(sigset_t *set, int _sig)
211
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{
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__asm__("btrl %1,%0" : "+m"(*set) : "Ir"(_sig - 1) : "cc");
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}
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static __inline__ void __const_sigdelset(sigset_t *set, int _sig)
216
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{
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unsigned long sig = _sig - 1;
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set->sig[sig / _NSIG_BPW] &= ~(1 << (sig % _NSIG_BPW));
219
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}
220
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static __inline__ int __const_sigismember(sigset_t *set, int _sig)
222
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{
223
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unsigned long sig = _sig - 1;
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return 1 & (set->sig[sig / _NSIG_BPW] >> (sig % _NSIG_BPW));
225
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}
226
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static __inline__ int __gen_sigismember(sigset_t *set, int _sig)
228
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{
229
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int ret;
230
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__asm__("btl %2,%1\n\tsbbl %0,%0"
231
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: "=r"(ret) : "m"(*set), "Ir"(_sig-1) : "cc");
232
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return ret;
233
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}
234
+
235
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#define sigismember(set,sig) \
236
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(__builtin_constant_p(sig) ? \
237
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__const_sigismember((set),(sig)) : \
238
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__gen_sigismember((set),(sig)))
239
+
240
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static __inline__ int sigfindinword(unsigned long word)
241
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{
242
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__asm__("bsfl %1,%0" : "=r"(word) : "rm"(word) : "cc");
243
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return word;
244
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}
245
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246
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struct pt_regs;
247
+
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#define ptrace_signal_deliver(regs, cookie) \
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do { \
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if (current->ptrace & PT_DTRACE) { \
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current->ptrace &= ~PT_DTRACE; \
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(regs)->eflags &= ~TF_MASK; \
253
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} \
254
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} while (0)
255
+
256
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#else /* __i386__ */
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#undef __HAVE_ARCH_SIG_BITOPS
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#define ptrace_signal_deliver(regs, cookie) do { } while (0)
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262
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#endif /* !__i386__ */
263
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#endif /* __KERNEL__ */
264
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#endif /* __ASSEMBLY__ */
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+
266
#endif
-232
include/asm-x86/signal_32.h
-232
include/asm-x86/signal_32.h
···
1
-
#ifndef _ASMi386_SIGNAL_H
2
-
#define _ASMi386_SIGNAL_H
3
-
4
-
#include <linux/types.h>
5
-
#include <linux/time.h>
6
-
#include <linux/compiler.h>
7
-
8
-
/* Avoid too many header ordering problems. */
9
-
struct siginfo;
10
-
11
-
#ifdef __KERNEL__
12
-
13
-
#include <linux/linkage.h>
14
-
15
-
/* Most things should be clean enough to redefine this at will, if care
16
-
is taken to make libc match. */
17
-
18
-
#define _NSIG 64
19
-
#define _NSIG_BPW 32
20
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#define _NSIG_WORDS (_NSIG / _NSIG_BPW)
21
-
22
-
typedef unsigned long old_sigset_t; /* at least 32 bits */
23
-
24
-
typedef struct {
25
-
unsigned long sig[_NSIG_WORDS];
26
-
} sigset_t;
27
-
28
-
#else
29
-
/* Here we must cater to libcs that poke about in kernel headers. */
30
-
31
-
#define NSIG 32
32
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typedef unsigned long sigset_t;
33
-
34
-
#endif /* __KERNEL__ */
35
-
36
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#define SIGHUP 1
37
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#define SIGINT 2
38
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#define SIGQUIT 3
39
-
#define SIGILL 4
40
-
#define SIGTRAP 5
41
-
#define SIGABRT 6
42
-
#define SIGIOT 6
43
-
#define SIGBUS 7
44
-
#define SIGFPE 8
45
-
#define SIGKILL 9
46
-
#define SIGUSR1 10
47
-
#define SIGSEGV 11
48
-
#define SIGUSR2 12
49
-
#define SIGPIPE 13
50
-
#define SIGALRM 14
51
-
#define SIGTERM 15
52
-
#define SIGSTKFLT 16
53
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#define SIGCHLD 17
54
-
#define SIGCONT 18
55
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#define SIGSTOP 19
56
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#define SIGTSTP 20
57
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#define SIGTTIN 21
58
-
#define SIGTTOU 22
59
-
#define SIGURG 23
60
-
#define SIGXCPU 24
61
-
#define SIGXFSZ 25
62
-
#define SIGVTALRM 26
63
-
#define SIGPROF 27
64
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#define SIGWINCH 28
65
-
#define SIGIO 29
66
-
#define SIGPOLL SIGIO
67
-
/*
68
-
#define SIGLOST 29
69
-
*/
70
-
#define SIGPWR 30
71
-
#define SIGSYS 31
72
-
#define SIGUNUSED 31
73
-
74
-
/* These should not be considered constants from userland. */
75
-
#define SIGRTMIN 32
76
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#define SIGRTMAX _NSIG
77
-
78
-
/*
79
-
* SA_FLAGS values:
80
-
*
81
-
* SA_ONSTACK indicates that a registered stack_t will be used.
82
-
* SA_RESTART flag to get restarting signals (which were the default long ago)
83
-
* SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
84
-
* SA_RESETHAND clears the handler when the signal is delivered.
85
-
* SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
86
-
* SA_NODEFER prevents the current signal from being masked in the handler.
87
-
*
88
-
* SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
89
-
* Unix names RESETHAND and NODEFER respectively.
90
-
*/
91
-
#define SA_NOCLDSTOP 0x00000001u
92
-
#define SA_NOCLDWAIT 0x00000002u
93
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#define SA_SIGINFO 0x00000004u
94
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#define SA_ONSTACK 0x08000000u
95
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#define SA_RESTART 0x10000000u
96
-
#define SA_NODEFER 0x40000000u
97
-
#define SA_RESETHAND 0x80000000u
98
-
99
-
#define SA_NOMASK SA_NODEFER
100
-
#define SA_ONESHOT SA_RESETHAND
101
-
102
-
#define SA_RESTORER 0x04000000
103
-
104
-
/*
105
-
* sigaltstack controls
106
-
*/
107
-
#define SS_ONSTACK 1
108
-
#define SS_DISABLE 2
109
-
110
-
#define MINSIGSTKSZ 2048
111
-
#define SIGSTKSZ 8192
112
-
113
-
#include <asm-generic/signal.h>
114
-
115
-
#ifdef __KERNEL__
116
-
struct old_sigaction {
117
-
__sighandler_t sa_handler;
118
-
old_sigset_t sa_mask;
119
-
unsigned long sa_flags;
120
-
__sigrestore_t sa_restorer;
121
-
};
122
-
123
-
struct sigaction {
124
-
__sighandler_t sa_handler;
125
-
unsigned long sa_flags;
126
-
__sigrestore_t sa_restorer;
127
-
sigset_t sa_mask; /* mask last for extensibility */
128
-
};
129
-
130
-
struct k_sigaction {
131
-
struct sigaction sa;
132
-
};
133
-
#else
134
-
/* Here we must cater to libcs that poke about in kernel headers. */
135
-
136
-
struct sigaction {
137
-
union {
138
-
__sighandler_t _sa_handler;
139
-
void (*_sa_sigaction)(int, struct siginfo *, void *);
140
-
} _u;
141
-
sigset_t sa_mask;
142
-
unsigned long sa_flags;
143
-
void (*sa_restorer)(void);
144
-
};
145
-
146
-
#define sa_handler _u._sa_handler
147
-
#define sa_sigaction _u._sa_sigaction
148
-
149
-
#endif /* __KERNEL__ */
150
-
151
-
typedef struct sigaltstack {
152
-
void __user *ss_sp;
153
-
int ss_flags;
154
-
size_t ss_size;
155
-
} stack_t;
156
-
157
-
#ifdef __KERNEL__
158
-
#include <asm/sigcontext.h>
159
-
160
-
#define __HAVE_ARCH_SIG_BITOPS
161
-
162
-
#define sigaddset(set,sig) \
163
-
(__builtin_constant_p(sig) ? \
164
-
__const_sigaddset((set),(sig)) : \
165
-
__gen_sigaddset((set),(sig)))
166
-
167
-
static __inline__ void __gen_sigaddset(sigset_t *set, int _sig)
168
-
{
169
-
__asm__("btsl %1,%0" : "+m"(*set) : "Ir"(_sig - 1) : "cc");
170
-
}
171
-
172
-
static __inline__ void __const_sigaddset(sigset_t *set, int _sig)
173
-
{
174
-
unsigned long sig = _sig - 1;
175
-
set->sig[sig / _NSIG_BPW] |= 1 << (sig % _NSIG_BPW);
176
-
}
177
-
178
-
#define sigdelset(set,sig) \
179
-
(__builtin_constant_p(sig) ? \
180
-
__const_sigdelset((set),(sig)) : \
181
-
__gen_sigdelset((set),(sig)))
182
-
183
-
184
-
static __inline__ void __gen_sigdelset(sigset_t *set, int _sig)
185
-
{
186
-
__asm__("btrl %1,%0" : "+m"(*set) : "Ir"(_sig - 1) : "cc");
187
-
}
188
-
189
-
static __inline__ void __const_sigdelset(sigset_t *set, int _sig)
190
-
{
191
-
unsigned long sig = _sig - 1;
192
-
set->sig[sig / _NSIG_BPW] &= ~(1 << (sig % _NSIG_BPW));
193
-
}
194
-
195
-
static __inline__ int __const_sigismember(sigset_t *set, int _sig)
196
-
{
197
-
unsigned long sig = _sig - 1;
198
-
return 1 & (set->sig[sig / _NSIG_BPW] >> (sig % _NSIG_BPW));
199
-
}
200
-
201
-
static __inline__ int __gen_sigismember(sigset_t *set, int _sig)
202
-
{
203
-
int ret;
204
-
__asm__("btl %2,%1\n\tsbbl %0,%0"
205
-
: "=r"(ret) : "m"(*set), "Ir"(_sig-1) : "cc");
206
-
return ret;
207
-
}
208
-
209
-
#define sigismember(set,sig) \
210
-
(__builtin_constant_p(sig) ? \
211
-
__const_sigismember((set),(sig)) : \
212
-
__gen_sigismember((set),(sig)))
213
-
214
-
static __inline__ int sigfindinword(unsigned long word)
215
-
{
216
-
__asm__("bsfl %1,%0" : "=r"(word) : "rm"(word) : "cc");
217
-
return word;
218
-
}
219
-
220
-
struct pt_regs;
221
-
222
-
#define ptrace_signal_deliver(regs, cookie) \
223
-
do { \
224
-
if (current->ptrace & PT_DTRACE) { \
225
-
current->ptrace &= ~PT_DTRACE; \
226
-
(regs)->eflags &= ~TF_MASK; \
227
-
} \
228
-
} while (0)
229
-
230
-
#endif /* __KERNEL__ */
231
-
232
-
#endif
···
-181
include/asm-x86/signal_64.h
-181
include/asm-x86/signal_64.h
···
1
-
#ifndef _ASMx8664_SIGNAL_H
2
-
#define _ASMx8664_SIGNAL_H
3
-
4
-
#ifndef __ASSEMBLY__
5
-
#include <linux/types.h>
6
-
#include <linux/time.h>
7
-
8
-
/* Avoid too many header ordering problems. */
9
-
struct siginfo;
10
-
11
-
#ifdef __KERNEL__
12
-
#include <linux/linkage.h>
13
-
/* Most things should be clean enough to redefine this at will, if care
14
-
is taken to make libc match. */
15
-
16
-
#define _NSIG 64
17
-
#define _NSIG_BPW 64
18
-
#define _NSIG_WORDS (_NSIG / _NSIG_BPW)
19
-
20
-
typedef unsigned long old_sigset_t; /* at least 32 bits */
21
-
22
-
typedef struct {
23
-
unsigned long sig[_NSIG_WORDS];
24
-
} sigset_t;
25
-
26
-
27
-
#else
28
-
/* Here we must cater to libcs that poke about in kernel headers. */
29
-
30
-
#define NSIG 32
31
-
typedef unsigned long sigset_t;
32
-
33
-
#endif /* __KERNEL__ */
34
-
#endif
35
-
36
-
#define SIGHUP 1
37
-
#define SIGINT 2
38
-
#define SIGQUIT 3
39
-
#define SIGILL 4
40
-
#define SIGTRAP 5
41
-
#define SIGABRT 6
42
-
#define SIGIOT 6
43
-
#define SIGBUS 7
44
-
#define SIGFPE 8
45
-
#define SIGKILL 9
46
-
#define SIGUSR1 10
47
-
#define SIGSEGV 11
48
-
#define SIGUSR2 12
49
-
#define SIGPIPE 13
50
-
#define SIGALRM 14
51
-
#define SIGTERM 15
52
-
#define SIGSTKFLT 16
53
-
#define SIGCHLD 17
54
-
#define SIGCONT 18
55
-
#define SIGSTOP 19
56
-
#define SIGTSTP 20
57
-
#define SIGTTIN 21
58
-
#define SIGTTOU 22
59
-
#define SIGURG 23
60
-
#define SIGXCPU 24
61
-
#define SIGXFSZ 25
62
-
#define SIGVTALRM 26
63
-
#define SIGPROF 27
64
-
#define SIGWINCH 28
65
-
#define SIGIO 29
66
-
#define SIGPOLL SIGIO
67
-
/*
68
-
#define SIGLOST 29
69
-
*/
70
-
#define SIGPWR 30
71
-
#define SIGSYS 31
72
-
#define SIGUNUSED 31
73
-
74
-
/* These should not be considered constants from userland. */
75
-
#define SIGRTMIN 32
76
-
#define SIGRTMAX _NSIG
77
-
78
-
/*
79
-
* SA_FLAGS values:
80
-
*
81
-
* SA_ONSTACK indicates that a registered stack_t will be used.
82
-
* SA_RESTART flag to get restarting signals (which were the default long ago)
83
-
* SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
84
-
* SA_RESETHAND clears the handler when the signal is delivered.
85
-
* SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
86
-
* SA_NODEFER prevents the current signal from being masked in the handler.
87
-
*
88
-
* SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
89
-
* Unix names RESETHAND and NODEFER respectively.
90
-
*/
91
-
#define SA_NOCLDSTOP 0x00000001
92
-
#define SA_NOCLDWAIT 0x00000002
93
-
#define SA_SIGINFO 0x00000004
94
-
#define SA_ONSTACK 0x08000000
95
-
#define SA_RESTART 0x10000000
96
-
#define SA_NODEFER 0x40000000
97
-
#define SA_RESETHAND 0x80000000
98
-
99
-
#define SA_NOMASK SA_NODEFER
100
-
#define SA_ONESHOT SA_RESETHAND
101
-
102
-
#define SA_RESTORER 0x04000000
103
-
104
-
/*
105
-
* sigaltstack controls
106
-
*/
107
-
#define SS_ONSTACK 1
108
-
#define SS_DISABLE 2
109
-
110
-
#define MINSIGSTKSZ 2048
111
-
#define SIGSTKSZ 8192
112
-
113
-
#include <asm-generic/signal.h>
114
-
115
-
#ifndef __ASSEMBLY__
116
-
117
-
struct sigaction {
118
-
__sighandler_t sa_handler;
119
-
unsigned long sa_flags;
120
-
__sigrestore_t sa_restorer;
121
-
sigset_t sa_mask; /* mask last for extensibility */
122
-
};
123
-
124
-
struct k_sigaction {
125
-
struct sigaction sa;
126
-
};
127
-
128
-
typedef struct sigaltstack {
129
-
void __user *ss_sp;
130
-
int ss_flags;
131
-
size_t ss_size;
132
-
} stack_t;
133
-
134
-
#ifdef __KERNEL__
135
-
#include <asm/sigcontext.h>
136
-
137
-
#undef __HAVE_ARCH_SIG_BITOPS
138
-
#if 0
139
-
140
-
static inline void sigaddset(sigset_t *set, int _sig)
141
-
{
142
-
__asm__("btsq %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
143
-
}
144
-
145
-
static inline void sigdelset(sigset_t *set, int _sig)
146
-
{
147
-
__asm__("btrq %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
148
-
}
149
-
150
-
static inline int __const_sigismember(sigset_t *set, int _sig)
151
-
{
152
-
unsigned long sig = _sig - 1;
153
-
return 1 & (set->sig[sig / _NSIG_BPW] >> (sig & ~(_NSIG_BPW-1)));
154
-
}
155
-
156
-
static inline int __gen_sigismember(sigset_t *set, int _sig)
157
-
{
158
-
int ret;
159
-
__asm__("btq %2,%1\n\tsbbq %0,%0"
160
-
: "=r"(ret) : "m"(*set), "Ir"(_sig-1) : "cc");
161
-
return ret;
162
-
}
163
-
164
-
#define sigismember(set,sig) \
165
-
(__builtin_constant_p(sig) ? \
166
-
__const_sigismember((set),(sig)) : \
167
-
__gen_sigismember((set),(sig)))
168
-
169
-
static inline int sigfindinword(unsigned long word)
170
-
{
171
-
__asm__("bsfq %1,%0" : "=r"(word) : "rm"(word) : "cc");
172
-
return word;
173
-
}
174
-
#endif
175
-
#endif
176
-
177
-
#define ptrace_signal_deliver(regs, cookie) do { } while (0)
178
-
179
-
#endif /* __KERNEL__ */
180
-
181
-
#endif
···