1 #ifndef _ASM_IA64_SIGNAL_H 2 #define _ASM_IA64_SIGNAL_H 3 4 /* 5 * Modified 1998-2001, 2003 6 * David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co 7 * 8 * Unfortunately, this file is being included by bits/signal.h in 9 * glibc-2.x. Hence the #ifdef __KERNEL__ ugliness. 10 */ 11 12 #define SIGHUP 1 13 #define SIGINT 2 14 #define SIGQUIT 3 15 #define SIGILL 4 16 #define SIGTRAP 5 17 #define SIGABRT 6 18 #define SIGIOT 6 19 #define SIGBUS 7 20 #define SIGFPE 8 21 #define SIGKILL 9 22 #define SIGUSR1 10 23 #define SIGSEGV 11 24 #define SIGUSR2 12 25 #define SIGPIPE 13 26 #define SIGALRM 14 27 #define SIGTERM 15 28 #define SIGSTKFLT 16 29 #define SIGCHLD 17 30 #define SIGCONT 18 31 #define SIGSTOP 19 32 #define SIGTSTP 20 33 #define SIGTTIN 21 34 #define SIGTTOU 22 35 #define SIGURG 23 36 #define SIGXCPU 24 37 #define SIGXFSZ 25 38 #define SIGVTALRM 26 39 #define SIGPROF 27 40 #define SIGWINCH 28 41 #define SIGIO 29 42 #define SIGPOLL SIGIO 43 /* 44 #define SIGLOST 29 45 */ 46 #define SIGPWR 30 47 #define SIGSYS 31 48 /* signal 31 is no longer "unused", but the SIGUNUSED macro remains for backwards compatibility */ 49 #define SIGUNUSED 31 50 51 /* These should not be considered constants from userland. */ 52 #define SIGRTMIN 32 53 #define SIGRTMAX _NSIG 54 55 /* 56 * SA_FLAGS values: 57 * 58 * SA_ONSTACK indicates that a registered stack_t will be used. 59 * SA_RESTART flag to get restarting signals (which were the default long ago) 60 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. 61 * SA_RESETHAND clears the handler when the signal is delivered. 62 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. 63 * SA_NODEFER prevents the current signal from being masked in the handler. 64 * 65 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single 66 * Unix names RESETHAND and NODEFER respectively. 67 */ 68 #define SA_NOCLDSTOP 0x00000001 69 #define SA_NOCLDWAIT 0x00000002 70 #define SA_SIGINFO 0x00000004 71 #define SA_ONSTACK 0x08000000 72 #define SA_RESTART 0x10000000 73 #define SA_NODEFER 0x40000000 74 #define SA_RESETHAND 0x80000000 75 76 #define SA_NOMASK SA_NODEFER 77 #define SA_ONESHOT SA_RESETHAND 78 79 #define SA_RESTORER 0x04000000 80 81 /* 82 * sigaltstack controls 83 */ 84 #define SS_ONSTACK 1 85 #define SS_DISABLE 2 86 87 /* 88 * The minimum stack size needs to be fairly large because we want to 89 * be sure that an app compiled for today's CPUs will continue to run 90 * on all future CPU models. The CPU model matters because the signal 91 * frame needs to have space for the complete machine state, including 92 * all physical stacked registers. The number of physical stacked 93 * registers is CPU model dependent, but given that the width of 94 * ar.rsc.loadrs is 14 bits, we can assume that they'll never take up 95 * more than 16KB of space. 96 */ 97 #if 1 98 /* 99 * This is a stupid typo: the value was _meant_ to be 131072 (0x20000), but I typed it 100 * in wrong. ;-( To preserve backwards compatibility, we leave the kernel at the 101 * incorrect value and fix libc only. 102 */ 103 # define MINSIGSTKSZ 131027 /* min. stack size for sigaltstack() */ 104 #else 105 # define MINSIGSTKSZ 131072 /* min. stack size for sigaltstack() */ 106 #endif 107 #define SIGSTKSZ 262144 /* default stack size for sigaltstack() */ 108 109 #ifdef __KERNEL__ 110 111 #define _NSIG 64 112 #define _NSIG_BPW 64 113 #define _NSIG_WORDS (_NSIG / _NSIG_BPW) 114 115 #endif /* __KERNEL__ */ 116 117 #include <asm-generic/signal-defs.h> 118 119 # ifndef __ASSEMBLY__ 120 121 # include <linux/types.h> 122 123 /* Avoid too many header ordering problems. */ 124 struct siginfo; 125 126 typedef struct sigaltstack { 127 void __user *ss_sp; 128 int ss_flags; 129 size_t ss_size; 130 } stack_t; 131 132 #ifdef __KERNEL__ 133 134 /* Most things should be clean enough to redefine this at will, if care 135 is taken to make libc match. */ 136 137 typedef unsigned long old_sigset_t; 138 139 typedef struct { 140 unsigned long sig[_NSIG_WORDS]; 141 } sigset_t; 142 143 struct sigaction { 144 __sighandler_t sa_handler; 145 unsigned long sa_flags; 146 sigset_t sa_mask; /* mask last for extensibility */ 147 }; 148 149 struct k_sigaction { 150 struct sigaction sa; 151 }; 152 153 # include <asm/sigcontext.h> 154 155 #define ptrace_signal_deliver(regs, cookie) do { } while (0) 156 157 #endif /* __KERNEL__ */ 158 159 # endif /* !__ASSEMBLY__ */ 160 #endif /* _ASM_IA64_SIGNAL_H */ 161