1#ifndef _ASMPPC64_SIGNAL_H 2#define _ASMPPC64_SIGNAL_H 3 4#include <linux/types.h> 5 6/* Avoid too many header ordering problems. */ 7struct siginfo; 8 9#define _NSIG 64 10#define _NSIG_BPW 64 11#define _NSIG_WORDS (_NSIG / _NSIG_BPW) 12 13typedef unsigned long old_sigset_t; /* at least 32 bits */ 14 15typedef struct { 16 unsigned long sig[_NSIG_WORDS]; 17} sigset_t; 18 19#define SIGHUP 1 20#define SIGINT 2 21#define SIGQUIT 3 22#define SIGILL 4 23#define SIGTRAP 5 24#define SIGABRT 6 25#define SIGIOT 6 26#define SIGBUS 7 27#define SIGFPE 8 28#define SIGKILL 9 29#define SIGUSR1 10 30#define SIGSEGV 11 31#define SIGUSR2 12 32#define SIGPIPE 13 33#define SIGALRM 14 34#define SIGTERM 15 35#define SIGSTKFLT 16 36#define SIGCHLD 17 37#define SIGCONT 18 38#define SIGSTOP 19 39#define SIGTSTP 20 40#define SIGTTIN 21 41#define SIGTTOU 22 42#define SIGURG 23 43#define SIGXCPU 24 44#define SIGXFSZ 25 45#define SIGVTALRM 26 46#define SIGPROF 27 47#define SIGWINCH 28 48#define SIGIO 29 49#define SIGPOLL SIGIO 50/* 51#define SIGLOST 29 52*/ 53#define SIGPWR 30 54#define SIGSYS 31 55#define SIGUNUSED 31 56 57/* These should not be considered constants from userland. */ 58#define SIGRTMIN 32 59#define SIGRTMAX (_NSIG-1) 60 61/* 62 * SA_FLAGS values: 63 * 64 * SA_ONSTACK is not currently supported, but will allow sigaltstack(2). 65 * SA_INTERRUPT is a no-op, but left due to historical reasons. Use the 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. 71 * 72 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single 73 * Unix names RESETHAND and NODEFER respectively. 74 */ 75#define SA_NOCLDSTOP 0x00000001 76#define SA_NOCLDWAIT 0x00000002 /* not supported yet */ 77#define SA_SIGINFO 0x00000004 78#define SA_ONSTACK 0x08000000 79#define SA_RESTART 0x10000000 80#define SA_NODEFER 0x40000000 81#define SA_RESETHAND 0x80000000 82 83#define SA_NOMASK SA_NODEFER 84#define SA_ONESHOT SA_RESETHAND 85#define SA_INTERRUPT 0x20000000 /* dummy -- ignored */ 86 87#define SA_RESTORER 0x04000000 88 89/* 90 * sigaltstack controls 91 */ 92#define SS_ONSTACK 1 93#define SS_DISABLE 2 94 95#define MINSIGSTKSZ 2048 96#define SIGSTKSZ 8192 97#ifdef __KERNEL__ 98 99/* 100 * These values of sa_flags are used only by the kernel as part of the 101 * irq handling routines. 102 * 103 * SA_INTERRUPT is also used by the irq handling routines. 104 * SA_SHIRQ is for shared interrupt support on PCI and EISA. 105 */ 106#define SA_PROBE SA_ONESHOT 107#define SA_SAMPLE_RANDOM SA_RESTART 108#define SA_SHIRQ 0x04000000 109#endif 110 111#define SIG_BLOCK 0 /* for blocking signals */ 112#define SIG_UNBLOCK 1 /* for unblocking signals */ 113#define SIG_SETMASK 2 /* for setting the signal mask */ 114 115/* Type of a signal handler. */ 116typedef void (*__sighandler_t)(int); 117 118#define SIG_DFL ((__sighandler_t)0) /* default signal handling */ 119#define SIG_IGN ((__sighandler_t)1) /* ignore signal */ 120#define SIG_ERR ((__sighandler_t)-1) /* error return from signal */ 121 122struct old_sigaction { 123 __sighandler_t sa_handler; 124 old_sigset_t sa_mask; 125 unsigned long sa_flags; 126 void (*sa_restorer)(void); 127}; 128 129struct sigaction { 130 __sighandler_t sa_handler; 131 unsigned long sa_flags; 132 void (*sa_restorer)(void); 133 sigset_t sa_mask; /* mask last for extensibility */ 134}; 135 136struct k_sigaction { 137 struct sigaction sa; 138}; 139 140typedef struct sigaltstack { 141 void *ss_sp; 142 int ss_flags; 143 size_t ss_size; 144} stack_t; 145 146#endif /* _ASMPPC64_SIGNAL_H */ 147