David Howells | 43e40f2 | 2012-10-09 09:47:00 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Modified 1998-2001, 2003 |
| 3 | * David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co |
| 4 | * |
| 5 | * Unfortunately, this file is being included by bits/signal.h in |
| 6 | * glibc-2.x. Hence the #ifdef __KERNEL__ ugliness. |
| 7 | */ |
| 8 | #ifndef _UAPI_ASM_IA64_SIGNAL_H |
| 9 | #define _UAPI_ASM_IA64_SIGNAL_H |
| 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 | /* |
David Howells | 43e40f2 | 2012-10-09 09:47:00 +0100 | [diff] [blame] | 82 | * The minimum stack size needs to be fairly large because we want to |
| 83 | * be sure that an app compiled for today's CPUs will continue to run |
| 84 | * on all future CPU models. The CPU model matters because the signal |
| 85 | * frame needs to have space for the complete machine state, including |
| 86 | * all physical stacked registers. The number of physical stacked |
| 87 | * registers is CPU model dependent, but given that the width of |
| 88 | * ar.rsc.loadrs is 14 bits, we can assume that they'll never take up |
| 89 | * more than 16KB of space. |
| 90 | */ |
| 91 | #if 1 |
| 92 | /* |
| 93 | * This is a stupid typo: the value was _meant_ to be 131072 (0x20000), but I typed it |
| 94 | * in wrong. ;-( To preserve backwards compatibility, we leave the kernel at the |
| 95 | * incorrect value and fix libc only. |
| 96 | */ |
| 97 | # define MINSIGSTKSZ 131027 /* min. stack size for sigaltstack() */ |
| 98 | #else |
| 99 | # define MINSIGSTKSZ 131072 /* min. stack size for sigaltstack() */ |
| 100 | #endif |
| 101 | #define SIGSTKSZ 262144 /* default stack size for sigaltstack() */ |
| 102 | |
| 103 | |
| 104 | #include <asm-generic/signal-defs.h> |
| 105 | |
| 106 | # ifndef __ASSEMBLY__ |
| 107 | |
| 108 | # include <linux/types.h> |
| 109 | |
| 110 | /* Avoid too many header ordering problems. */ |
| 111 | struct siginfo; |
| 112 | |
| 113 | typedef struct sigaltstack { |
| 114 | void __user *ss_sp; |
| 115 | int ss_flags; |
| 116 | size_t ss_size; |
| 117 | } stack_t; |
| 118 | |
| 119 | |
| 120 | # endif /* !__ASSEMBLY__ */ |
| 121 | #endif /* _UAPI_ASM_IA64_SIGNAL_H */ |