1 #ifndef _ASMPPC_SIGNAL_H 2 #define _ASMPPC_SIGNAL_H 3 4 #include <linux/types.h> 5 6 /* Avoid too many header ordering problems. */ 7 struct siginfo; 8 9 /* Most things should be clean enough to redefine this at will, if care 10 is taken to make libc match. */ 11 12 #define _NSIG 64 13 #define _NSIG_BPW 32 14 #define _NSIG_WORDS (_NSIG / _NSIG_BPW) 15 16 typedef unsigned long old_sigset_t; /* at least 32 bits */ 17 18 typedef struct { 19 unsigned long sig[_NSIG_WORDS]; 20 } sigset_t; 21 22 #define SIGHUP 1 23 #define SIGINT 2 24 #define SIGQUIT 3 25 #define SIGILL 4 26 #define SIGTRAP 5 27 #define SIGABRT 6 28 #define SIGIOT 6 29 #define SIGBUS 7 30 #define SIGFPE 8 31 #define SIGKILL 9 32 #define SIGUSR1 10 33 #define SIGSEGV 11 34 #define SIGUSR2 12 35 #define SIGPIPE 13 36 #define SIGALRM 14 37 #define SIGTERM 15 38 #define SIGSTKFLT 16 39 #define SIGCHLD 17 40 #define SIGCONT 18 41 #define SIGSTOP 19 42 #define SIGTSTP 20 43 #define SIGTTIN 21 44 #define SIGTTOU 22 45 #define SIGURG 23 46 #define SIGXCPU 24 47 #define SIGXFSZ 25 48 #define SIGVTALRM 26 49 #define SIGPROF 27 50 #define SIGWINCH 28 51 #define SIGIO 29 52 #define SIGPOLL SIGIO 53 /* 54 #define SIGLOST 29 55 */ 56 #define SIGPWR 30 57 #define SIGSYS 31 58 #define SIGUNUSED 31 59 60 /* These should not be considered constants from userland. */ 61 #define SIGRTMIN 32 62 #define SIGRTMAX (_NSIG-1) 63 64 /* 65 * SA_FLAGS values: 66 * 67 * SA_ONSTACK is not currently supported, but will allow sigaltstack(2). 68 * SA_INTERRUPT is a no-op, but left due to historical reasons. Use the 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. 74 * 75 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single 76 * Unix names RESETHAND and NODEFER respectively. 77 */ 78 #define SA_NOCLDSTOP 0x00000001 79 #define SA_NOCLDWAIT 0x00000002 /* not supported yet */ 80 #define SA_SIGINFO 0x00000004 81 #define SA_ONSTACK 0x08000000 82 #define SA_RESTART 0x10000000 83 #define SA_NODEFER 0x40000000 84 #define SA_RESETHAND 0x80000000 85 86 #define SA_NOMASK SA_NODEFER 87 #define SA_ONESHOT SA_RESETHAND 88 #define SA_INTERRUPT 0x20000000 /* dummy -- ignored */ 89 90 #define SA_RESTORER 0x04000000 91 92 /* 93 * sigaltstack controls 94 */ 95 #define SS_ONSTACK 1 96 #define SS_DISABLE 2 97 98 #define MINSIGSTKSZ 2048 99 #define SIGSTKSZ 8192 100 #ifdef __KERNEL__ 101 102 /* 103 * These values of sa_flags are used only by the kernel as part of the 104 * irq handling routines. 105 * 106 * SA_INTERRUPT is also used by the irq handling routines. 107 * SA_SHIRQ is for shared interrupt support on PCI and EISA. 108 */ 109 #define SA_PROBE SA_ONESHOT 110 #define SA_SAMPLE_RANDOM SA_RESTART 111 #define SA_SHIRQ 0x04000000 112 #endif 113 114 #define SIG_BLOCK 0 /* for blocking signals */ 115 #define SIG_UNBLOCK 1 /* for unblocking signals */ 116 #define SIG_SETMASK 2 /* for setting the signal mask */ 117 118 /* Type of a signal handler. */ 119 typedef void (*__sighandler_t)(int); 120 121 #define SIG_DFL ((__sighandler_t)0) /* default signal handling */ 122 #define SIG_IGN ((__sighandler_t)1) /* ignore signal */ 123 #define SIG_ERR ((__sighandler_t)-1) /* error return from signal */ 124 125 struct old_sigaction { 126 __sighandler_t sa_handler; 127 old_sigset_t sa_mask; 128 unsigned long sa_flags; 129 void (*sa_restorer)(void); 130 }; 131 132 struct sigaction { 133 __sighandler_t sa_handler; 134 unsigned long sa_flags; 135 void (*sa_restorer)(void); 136 sigset_t sa_mask; /* mask last for extensibility */ 137 }; 138 139 struct k_sigaction { 140 struct sigaction sa; 141 }; 142 143 typedef struct sigaltstack { 144 void *ss_sp; 145 int ss_flags; 146 size_t ss_size; 147 } stack_t; 148 149 #ifdef __KERNEL__ 150 #include <asm/sigcontext.h> 151 152 #endif 153 154 #endif 155