1 #ifndef _UAPI_ASM_POWERPC_SIGNAL_H
2 #define _UAPI_ASM_POWERPC_SIGNAL_H
4 #include <linux/types.h>
12 #define _NSIG_WORDS (_NSIG / _NSIG_BPW)
14 typedef unsigned long old_sigset_t
; /* at least 32 bits */
17 unsigned long sig
[_NSIG_WORDS
];
58 /* These should not be considered constants from userland. */
60 #define SIGRTMAX _NSIG
65 * SA_ONSTACK is not currently supported, but will allow sigaltstack(2).
66 * SA_RESTART flag to get restarting signals (which were the default long ago)
67 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
68 * SA_RESETHAND clears the handler when the signal is delivered.
69 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
70 * SA_NODEFER prevents the current signal from being masked in the handler.
72 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
73 * Unix names RESETHAND and NODEFER respectively.
75 #define SA_NOCLDSTOP 0x00000001U
76 #define SA_NOCLDWAIT 0x00000002U
77 #define SA_SIGINFO 0x00000004U
78 #define SA_ONSTACK 0x08000000U
79 #define SA_RESTART 0x10000000U
80 #define SA_NODEFER 0x40000000U
81 #define SA_RESETHAND 0x80000000U
83 #define SA_NOMASK SA_NODEFER
84 #define SA_ONESHOT SA_RESETHAND
86 #define SA_RESTORER 0x04000000U
88 #define MINSIGSTKSZ 2048
91 #include <asm-generic/signal-defs.h>
94 struct old_sigaction
{
95 __sighandler_t sa_handler
;
97 unsigned long sa_flags
;
98 __sigrestore_t sa_restorer
;
102 __sighandler_t sa_handler
;
103 unsigned long sa_flags
;
104 __sigrestore_t sa_restorer
;
105 sigset_t sa_mask
; /* mask last for extensibility */
109 typedef struct sigaltstack
{
116 #ifndef __powerpc64__
118 * These are parameters to dbg_sigreturn syscall. They enable or
119 * disable certain debugging things that can be done from signal
120 * handlers. The dbg_sigreturn syscall *must* be called from a
121 * SA_SIGINFO signal so the ucontext can be passed to it. It takes an
122 * array of struct sig_dbg_op, which has the debug operations to
123 * perform before returning from the signal.
127 unsigned long dbg_value
;
130 /* Enable or disable single-stepping. The value sets the state. */
131 #define SIG_DBG_SINGLE_STEPPING 1
133 /* Enable or disable branch tracing. The value sets the state. */
134 #define SIG_DBG_BRANCH_TRACING 2
135 #endif /* ! __powerpc64__ */
137 #endif /* _UAPI_ASM_POWERPC_SIGNAL_H */