1 #ifndef __ASM_GENERIC_SIGNAL_H
2 #define __ASM_GENERIC_SIGNAL_H
4 #include <linux/types.h>
7 #define _NSIG_BPW __BITS_PER_LONG
8 #define _NSIG_WORDS (_NSIG / _NSIG_BPW)
48 /* These should not be considered constants from userland. */
51 #define SIGRTMAX _NSIG
57 * SA_ONSTACK indicates that a registered stack_t will be used.
58 * SA_RESTART flag to get restarting signals (which were the default long ago)
59 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
60 * SA_RESETHAND clears the handler when the signal is delivered.
61 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
62 * SA_NODEFER prevents the current signal from being masked in the handler.
64 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
65 * Unix names RESETHAND and NODEFER respectively.
67 #define SA_NOCLDSTOP 0x00000001
68 #define SA_NOCLDWAIT 0x00000002
69 #define SA_SIGINFO 0x00000004
70 #define SA_ONSTACK 0x08000000
71 #define SA_RESTART 0x10000000
72 #define SA_NODEFER 0x40000000
73 #define SA_RESETHAND 0x80000000
75 #define SA_NOMASK SA_NODEFER
76 #define SA_ONESHOT SA_RESETHAND
79 * New architectures should not define the obsolete
80 * SA_RESTORER 0x04000000
84 * sigaltstack controls
89 #define MINSIGSTKSZ 2048
94 unsigned long sig
[_NSIG_WORDS
];
97 /* not actually used, but required for linux/syscalls.h */
98 typedef unsigned long old_sigset_t
;
100 #include <asm-generic/signal-defs.h>
103 __sighandler_t sa_handler
;
104 unsigned long sa_flags
;
106 __sigrestore_t sa_restorer
;
108 sigset_t sa_mask
; /* mask last for extensibility */
115 typedef struct sigaltstack
{
123 #include <asm/sigcontext.h>
124 #undef __HAVE_ARCH_SIG_BITOPS
126 #define ptrace_signal_deliver(regs, cookie) do { } while (0)
128 #endif /* __KERNEL__ */
129 #endif /* __ASSEMBLY__ */
131 #endif /* _ASM_GENERIC_SIGNAL_H */