1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _UAPI_ASM_X86_SIGNAL_H
3 #define _UAPI_ASM_X86_SIGNAL_H
6 #include <linux/types.h>
7 #include <linux/time.h>
8 #include <linux/compiler.h>
10 /* Avoid too many header ordering problems. */
14 /* Here we must cater to libcs that poke about in kernel headers. */
17 typedef unsigned long sigset_t
;
19 #endif /* __KERNEL__ */
20 #endif /* __ASSEMBLY__ */
61 /* These should not be considered constants from userland. */
63 #define SIGRTMAX _NSIG
68 * SA_ONSTACK indicates that a registered stack_t will be used.
69 * SA_RESTART flag to get restarting signals (which were the default long ago)
70 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
71 * SA_RESETHAND clears the handler when the signal is delivered.
72 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
73 * SA_NODEFER prevents the current signal from being masked in the handler.
75 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
76 * Unix names RESETHAND and NODEFER respectively.
78 #define SA_NOCLDSTOP 0x00000001u
79 #define SA_NOCLDWAIT 0x00000002u
80 #define SA_SIGINFO 0x00000004u
81 #define SA_ONSTACK 0x08000000u
82 #define SA_RESTART 0x10000000u
83 #define SA_NODEFER 0x40000000u
84 #define SA_RESETHAND 0x80000000u
86 #define SA_NOMASK SA_NODEFER
87 #define SA_ONESHOT SA_RESETHAND
89 #define SA_RESTORER 0x04000000
91 #define MINSIGSTKSZ 2048
94 #include <asm-generic/signal-defs.h>
100 /* Here we must cater to libcs that poke about in kernel headers. */
105 __sighandler_t _sa_handler
;
106 void (*_sa_sigaction
)(int, struct siginfo
*, void *);
109 unsigned long sa_flags
;
110 void (*sa_restorer
)(void);
113 #define sa_handler _u._sa_handler
114 #define sa_sigaction _u._sa_sigaction
119 __sighandler_t sa_handler
;
120 unsigned long sa_flags
;
121 __sigrestore_t sa_restorer
;
122 sigset_t sa_mask
; /* mask last for extensibility */
125 #endif /* !__i386__ */
126 # endif /* ! __KERNEL__ */
128 typedef struct sigaltstack
{
134 #endif /* __ASSEMBLY__ */
136 #endif /* _UAPI_ASM_X86_SIGNAL_H */