linux/arch/powerpc/include/uapi/asm/signal.h
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   1#ifndef _UAPI_ASM_POWERPC_SIGNAL_H
   2#define _UAPI_ASM_POWERPC_SIGNAL_H
   3
   4#include <linux/types.h>
   5
   6#define _NSIG           64
   7#ifdef __powerpc64__
   8#define _NSIG_BPW       64
   9#else
  10#define _NSIG_BPW       32
  11#endif
  12#define _NSIG_WORDS     (_NSIG / _NSIG_BPW)
  13
  14typedef unsigned long old_sigset_t;             /* at least 32 bits */
  15
  16typedef struct {
  17        unsigned long sig[_NSIG_WORDS];
  18} sigset_t;
  19
  20#define SIGHUP           1
  21#define SIGINT           2
  22#define SIGQUIT          3
  23#define SIGILL           4
  24#define SIGTRAP          5
  25#define SIGABRT          6
  26#define SIGIOT           6
  27#define SIGBUS           7
  28#define SIGFPE           8
  29#define SIGKILL          9
  30#define SIGUSR1         10
  31#define SIGSEGV         11
  32#define SIGUSR2         12
  33#define SIGPIPE         13
  34#define SIGALRM         14
  35#define SIGTERM         15
  36#define SIGSTKFLT       16
  37#define SIGCHLD         17
  38#define SIGCONT         18
  39#define SIGSTOP         19
  40#define SIGTSTP         20
  41#define SIGTTIN         21
  42#define SIGTTOU         22
  43#define SIGURG          23
  44#define SIGXCPU         24
  45#define SIGXFSZ         25
  46#define SIGVTALRM       26
  47#define SIGPROF         27
  48#define SIGWINCH        28
  49#define SIGIO           29
  50#define SIGPOLL         SIGIO
  51/*
  52#define SIGLOST         29
  53*/
  54#define SIGPWR          30
  55#define SIGSYS          31
  56#define SIGUNUSED       31
  57
  58/* These should not be considered constants from userland.  */
  59#define SIGRTMIN        32
  60#define SIGRTMAX        _NSIG
  61
  62/*
  63 * SA_FLAGS values:
  64 *
  65 * SA_ONSTACK is not currently supported, but will allow sigaltstack(2).
  66 * SA_RESTART flag to get restarting signals (which were the default long ago)
  67 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
  68 * SA_RESETHAND clears the handler when the signal is delivered.
  69 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
  70 * SA_NODEFER prevents the current signal from being masked in the handler.
  71 *
  72 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
  73 * Unix names RESETHAND and NODEFER respectively.
  74 */
  75#define SA_NOCLDSTOP    0x00000001U
  76#define SA_NOCLDWAIT    0x00000002U
  77#define SA_SIGINFO      0x00000004U
  78#define SA_ONSTACK      0x08000000U
  79#define SA_RESTART      0x10000000U
  80#define SA_NODEFER      0x40000000U
  81#define SA_RESETHAND    0x80000000U
  82
  83#define SA_NOMASK       SA_NODEFER
  84#define SA_ONESHOT      SA_RESETHAND
  85
  86#define SA_RESTORER     0x04000000U
  87
  88#define MINSIGSTKSZ     2048
  89#define SIGSTKSZ        8192
  90
  91#include <asm-generic/signal-defs.h>
  92
  93#ifndef __KERNEL__
  94struct old_sigaction {
  95        __sighandler_t sa_handler;
  96        old_sigset_t sa_mask;
  97        unsigned long sa_flags;
  98        __sigrestore_t sa_restorer;
  99};
 100
 101struct sigaction {
 102        __sighandler_t sa_handler;
 103        unsigned long sa_flags;
 104        __sigrestore_t sa_restorer;
 105        sigset_t sa_mask;               /* mask last for extensibility */
 106};
 107#endif
 108
 109typedef struct sigaltstack {
 110        void __user *ss_sp;
 111        int ss_flags;
 112        size_t ss_size;
 113} stack_t;
 114
 115
 116#ifndef __powerpc64__
 117/*
 118 * These are parameters to dbg_sigreturn syscall.  They enable or
 119 * disable certain debugging things that can be done from signal
 120 * handlers.  The dbg_sigreturn syscall *must* be called from a
 121 * SA_SIGINFO signal so the ucontext can be passed to it.  It takes an
 122 * array of struct sig_dbg_op, which has the debug operations to
 123 * perform before returning from the signal.
 124 */
 125struct sig_dbg_op {
 126        int dbg_type;
 127        unsigned long dbg_value;
 128};
 129
 130/* Enable or disable single-stepping.  The value sets the state. */
 131#define SIG_DBG_SINGLE_STEPPING         1
 132
 133/* Enable or disable branch tracing.  The value sets the state. */
 134#define SIG_DBG_BRANCH_TRACING          2
 135#endif /* ! __powerpc64__ */
 136
 137#endif /* _UAPI_ASM_POWERPC_SIGNAL_H */
 138