1 #ifndef _UAPI__SPARC_SIGNAL_H 2 #define _UAPI__SPARC_SIGNAL_H 3 4 #include <asm/sigcontext.h> 5 #include <linux/compiler.h> 6 7 8 /* On the Sparc the signal handlers get passed a 'sub-signal' code 9 * for certain signal types, which we document here. 10 */ 11 #define SIGHUP 1 12 #define SIGINT 2 13 #define SIGQUIT 3 14 #define SIGILL 4 15 #define SUBSIG_STACK 0 16 #define SUBSIG_ILLINST 2 17 #define SUBSIG_PRIVINST 3 18 #define SUBSIG_BADTRAP(t) (0x80 + (t)) 19 20 #define SIGTRAP 5 21 #define SIGABRT 6 22 #define SIGIOT 6 23 24 #define SIGEMT 7 25 #define SUBSIG_TAG 10 26 27 #define SIGFPE 8 28 #define SUBSIG_FPDISABLED 0x400 29 #define SUBSIG_FPERROR 0x404 30 #define SUBSIG_FPINTOVFL 0x001 31 #define SUBSIG_FPSTSIG 0x002 32 #define SUBSIG_IDIVZERO 0x014 33 #define SUBSIG_FPINEXACT 0x0c4 34 #define SUBSIG_FPDIVZERO 0x0c8 35 #define SUBSIG_FPUNFLOW 0x0cc 36 #define SUBSIG_FPOPERROR 0x0d0 37 #define SUBSIG_FPOVFLOW 0x0d4 38 39 #define SIGKILL 9 40 #define SIGBUS 10 41 #define SUBSIG_BUSTIMEOUT 1 42 #define SUBSIG_ALIGNMENT 2 43 #define SUBSIG_MISCERROR 5 44 45 #define SIGSEGV 11 46 #define SUBSIG_NOMAPPING 3 47 #define SUBSIG_PROTECTION 4 48 #define SUBSIG_SEGERROR 5 49 50 #define SIGSYS 12 51 52 #define SIGPIPE 13 53 #define SIGALRM 14 54 #define SIGTERM 15 55 #define SIGURG 16 56 57 /* SunOS values which deviate from the Linux/i386 ones */ 58 #define SIGSTOP 17 59 #define SIGTSTP 18 60 #define SIGCONT 19 61 #define SIGCHLD 20 62 #define SIGTTIN 21 63 #define SIGTTOU 22 64 #define SIGIO 23 65 #define SIGPOLL SIGIO /* SysV name for SIGIO */ 66 #define SIGXCPU 24 67 #define SIGXFSZ 25 68 #define SIGVTALRM 26 69 #define SIGPROF 27 70 #define SIGWINCH 28 71 #define SIGLOST 29 72 #define SIGPWR SIGLOST 73 #define SIGUSR1 30 74 #define SIGUSR2 31 75 76 /* Most things should be clean enough to redefine this at will, if care 77 is taken to make libc match. */ 78 79 #define __OLD_NSIG 32 80 #define __NEW_NSIG 64 81 #ifdef __arch64__ 82 #define _NSIG_BPW 64 83 #else 84 #define _NSIG_BPW 32 85 #endif 86 #define _NSIG_WORDS (__NEW_NSIG / _NSIG_BPW) 87 88 #define SIGRTMIN 32 89 #define SIGRTMAX __NEW_NSIG 90 91 #if defined(__KERNEL__) || defined(__WANT_POSIX1B_SIGNALS__) 92 #define _NSIG __NEW_NSIG 93 #define __new_sigset_t sigset_t 94 #define __new_sigaction sigaction 95 #define __new_sigaction32 sigaction32 96 #define __old_sigset_t old_sigset_t 97 #define __old_sigaction old_sigaction 98 #define __old_sigaction32 old_sigaction32 99 #else 100 #define _NSIG __OLD_NSIG 101 #define NSIG _NSIG 102 #define __old_sigset_t sigset_t 103 #define __old_sigaction sigaction 104 #define __old_sigaction32 sigaction32 105 #endif 106 107 #ifndef __ASSEMBLY__ 108 109 typedef unsigned long __old_sigset_t; /* at least 32 bits */ 110 111 typedef struct { 112 unsigned long sig[_NSIG_WORDS]; 113 } __new_sigset_t; 114 115 /* A SunOS sigstack */ 116 struct sigstack { 117 /* XXX 32-bit pointers pinhead XXX */ 118 char *the_stack; 119 int cur_status; 120 }; 121 122 /* Sigvec flags */ 123 #define _SV_SSTACK 1u /* This signal handler should use sig-stack */ 124 #define _SV_INTR 2u /* Sig return should not restart system call */ 125 #define _SV_RESET 4u /* Set handler to SIG_DFL upon taken signal */ 126 #define _SV_IGNCHILD 8u /* Do not send SIGCHLD */ 127 128 /* 129 * sa_flags values: SA_STACK is not currently supported, but will allow the 130 * usage of signal stacks by using the (now obsolete) sa_restorer field in 131 * the sigaction structure as a stack pointer. This is now possible due to 132 * the changes in signal handling. LBT 010493. 133 * SA_RESTART flag to get restarting signals (which were the default long ago) 134 */ 135 #define SA_NOCLDSTOP _SV_IGNCHILD 136 #define SA_STACK _SV_SSTACK 137 #define SA_ONSTACK _SV_SSTACK 138 #define SA_RESTART _SV_INTR 139 #define SA_ONESHOT _SV_RESET 140 #define SA_NODEFER 0x20u 141 #define SA_NOCLDWAIT 0x100u 142 #define SA_SIGINFO 0x200u 143 144 #define SA_NOMASK SA_NODEFER 145 146 #define SIG_BLOCK 0x01 /* for blocking signals */ 147 #define SIG_UNBLOCK 0x02 /* for unblocking signals */ 148 #define SIG_SETMASK 0x04 /* for setting the signal mask */ 149 150 /* 151 * sigaltstack controls 152 */ 153 #define SS_ONSTACK 1 154 #define SS_DISABLE 2 155 156 #define MINSIGSTKSZ 4096 157 #define SIGSTKSZ 16384 158 159 160 #include <asm-generic/signal-defs.h> 161 162 struct __new_sigaction { 163 __sighandler_t sa_handler; 164 unsigned long sa_flags; 165 __sigrestore_t sa_restorer; /* not used by Linux/SPARC yet */ 166 __new_sigset_t sa_mask; 167 }; 168 169 struct __old_sigaction { 170 __sighandler_t sa_handler; 171 __old_sigset_t sa_mask; 172 unsigned long sa_flags; 173 void (*sa_restorer)(void); /* not used by Linux/SPARC yet */ 174 }; 175 176 typedef struct sigaltstack { 177 void __user *ss_sp; 178 int ss_flags; 179 size_t ss_size; 180 } stack_t; 181 182 183 #endif /* !(__ASSEMBLY__) */ 184 185 #endif /* _UAPI__SPARC_SIGNAL_H */ 186