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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 | /* $Id: signal.h,v 1.21 1996/04/25 06:13:28 davem Exp $ */ #ifndef _ASMSPARC_SIGNAL_H #define _ASMSPARC_SIGNAL_H #include <asm/sigcontext.h> /* On the Sparc the signal handlers get passed a 'sub-signal' code * for certain signal types, which we document here. */ #define _NSIG 32 #define NSIG _NSIG #define SIGHUP 1 #define SIGINT 2 #define SIGQUIT 3 #define SIGILL 4 #define SUBSIG_STACK 0 #define SUBSIG_ILLINST 2 #define SUBSIG_PRIVINST 3 #define SUBSIG_BADTRAP(t) (0x80 + (t)) #define SIGTRAP 5 #define SIGABRT 6 #define SIGIOT 6 #define SIGEMT 7 #define SUBSIG_TAG 10 #define SIGFPE 8 #define SUBSIG_FPDISABLED 0x400 #define SUBSIG_FPERROR 0x404 #define SUBSIG_FPINTOVFL 0x001 #define SUBSIG_FPSTSIG 0x002 #define SUBSIG_IDIVZERO 0x014 #define SUBSIG_FPINEXACT 0x0c4 #define SUBSIG_FPDIVZERO 0x0c8 #define SUBSIG_FPUNFLOW 0x0cc #define SUBSIG_FPOPERROR 0x0d0 #define SUBSIG_FPOVFLOW 0x0d4 #define SIGKILL 9 #define SIGBUS 10 #define SUBSIG_BUSTIMEOUT 1 #define SUBSIG_ALIGNMENT 2 #define SUBSIG_MISCERROR 5 #define SIGSEGV 11 #define SUBSIG_NOMAPPING 3 #define SUBSIG_PROTECTION 4 #define SUBSIG_SEGERROR 5 #define SIGSYS 12 #define SIGPIPE 13 #define SIGALRM 14 #define SIGTERM 15 #define SIGURG 16 /* SunOS values which deviate from the Linux/i386 ones */ #define SIGSTOP 17 #define SIGTSTP 18 #define SIGCONT 19 #define SIGCHLD 20 #define SIGTTIN 21 #define SIGTTOU 22 #define SIGIO 23 #define SIGPOLL SIGIO /* SysV name for SIGIO */ #define SIGXCPU 24 #define SIGXFSZ 25 #define SIGVTALRM 26 #define SIGPROF 27 #define SIGWINCH 28 #define SIGLOST 29 #define SIGUSR1 30 #define SIGUSR2 31 #ifndef __ASSEMBLY__ typedef unsigned long sigset_t; #ifdef __KERNEL__ #include <asm/sigcontext.h> #endif /* A SunOS sigstack */ struct sigstack { char *the_stack; int cur_status; }; /* Sigvec flags */ #define SV_SSTACK 1 /* This signal handler should use sig-stack */ #define SV_INTR 2 /* Sig return should not restart system call */ #define SV_RESET 4 /* Set handler to SIG_DFL upon taken signal */ #define SV_IGNCHILD 8 /* Do not send SIGCHLD */ /* * sa_flags values: SA_STACK is not currently supported, but will allow the * usage of signal stacks by using the (now obsolete) sa_restorer field in * the sigaction structure as a stack pointer. This is now possible due to * the changes in signal handling. LBT 010493. * SA_INTERRUPT is a no-op, but left due to historical reasons. Use the * SA_RESTART flag to get restarting signals (which were the default long ago) * SA_SHIRQ flag is for shared interrupt support on PCI and EISA. */ #define SA_NOCLDSTOP SV_IGNCHILD #define SA_STACK SV_SSTACK #define SA_RESTART SV_INTR #define SA_ONESHOT SV_RESET #define SA_INTERRUPT 0x10 #define SA_NOMASK 0x20 #define SA_SHIRQ 0x40 #define SIG_BLOCK 0x01 /* for blocking signals */ #define SIG_UNBLOCK 0x02 /* for unblocking signals */ #define SIG_SETMASK 0x04 /* for setting the signal mask */ #ifdef __KERNEL__ /* * These values of sa_flags are used only by the kernel as part of the * irq handling routines. * * SA_INTERRUPT is also used by the irq handling routines. * * DJHR * SA_STATIC_ALLOC is used for the SPARC system to indicate that this * interrupt handler's irq structure should be statically allocated * by the request_irq routine. * The alternative is that arch/sparc/kernel/irq.c has carnal knowledge * of interrupt usage and that sucks. Also without a flag like this * it may be possible for the free_irq routine to attempt to free * statically allocated data.. which is NOT GOOD. * */ #define SA_PROBE SA_ONESHOT #define SA_SAMPLE_RANDOM SA_RESTART #define SA_STATIC_ALLOC 0x80 #endif /* Type of a signal handler. */ #ifdef __KERNEL__ typedef void (*__sighandler_t)(int, int, struct sigcontext_struct *, char *); #else typedef void (*__sighandler_t)(int); #endif #define SIG_DFL ((__sighandler_t)0) /* default signal handling */ #define SIG_IGN ((__sighandler_t)1) /* ignore signal */ #define SIG_ERR ((__sighandler_t)-1) /* error return from signal */ struct sigaction { __sighandler_t sa_handler; sigset_t sa_mask; unsigned long sa_flags; }; #endif /* !(__ASSEMBLY__) */ #endif /* !(_ASMSPARC_SIGNAL_H) */ |