i386/linux/linux-2.3.21/include/asm-ppc/signal.h

   1 #ifndef _ASMPPC_SIGNAL_H
   2 #define _ASMPPC_SIGNAL_H
   3
   4 #include <linux/types.h>
   5
   6 /* Avoid too many header ordering problems.  */
   7 struct siginfo;
   8
   9 /* Most things should be clean enough to redefine this at will, if care
  10    is taken to make libc match.  */
  11
  12 #define _NSIG           64
  13 #define _NSIG_BPW       32
  14 #define _NSIG_WORDS     (_NSIG / _NSIG_BPW)
  15
  16 typedef unsigned long old_sigset_t;             /* at least 32 bits */
  17
  18 typedef struct {
  19         unsigned long sig[_NSIG_WORDS];
  20 } sigset_t;
  21
  22 #define SIGHUP           1
  23 #define SIGINT           2
  24 #define SIGQUIT          3
  25 #define SIGILL           4
  26 #define SIGTRAP          5
  27 #define SIGABRT          6
  28 #define SIGIOT           6
  29 #define SIGBUS           7
  30 #define SIGFPE           8
  31 #define SIGKILL          9
  32 #define SIGUSR1         10
  33 #define SIGSEGV         11
  34 #define SIGUSR2         12
  35 #define SIGPIPE         13
  36 #define SIGALRM         14
  37 #define SIGTERM         15
  38 #define SIGSTKFLT       16
  39 #define SIGCHLD         17
  40 #define SIGCONT         18
  41 #define SIGSTOP         19
  42 #define SIGTSTP         20
  43 #define SIGTTIN         21
  44 #define SIGTTOU         22
  45 #define SIGURG          23
  46 #define SIGXCPU         24
  47 #define SIGXFSZ         25
  48 #define SIGVTALRM       26
  49 #define SIGPROF         27
  50 #define SIGWINCH        28
  51 #define SIGIO           29
  52 #define SIGPOLL         SIGIO
  53 /*
  54 #define SIGLOST         29
  55 */
  56 #define SIGPWR          30
  57 #define SIGUNUSED       31
  58
  59 /* These should not be considered constants from userland.  */
  60 #define SIGRTMIN        32
  61 #define SIGRTMAX        (_NSIG-1)
  62
  63 /*
  64  * SA_FLAGS values:
  65  *
  66  * SA_ONSTACK is not currently supported, but will allow sigaltstack(2).
  67  * SA_INTERRUPT is a no-op, but left due to historical reasons. Use the
  68  * SA_RESTART flag to get restarting signals (which were the default long ago)
  69  * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
  70  * SA_RESETHAND clears the handler when the signal is delivered.
  71  * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
  72  * SA_NODEFER prevents the current signal from being masked in the handler.
  73  *
  74  * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
  75  * Unix names RESETHAND and NODEFER respectively.
  76  */
  77 #define SA_NOCLDSTOP    0x00000001
  78 #define SA_NOCLDWAIT    0x00000002 /* not supported yet */
  79 #define SA_SIGINFO      0x00000004
  80 #define SA_ONSTACK      0x08000000
  81 #define SA_RESTART      0x10000000
  82 #define SA_NODEFER      0x40000000
  83 #define SA_RESETHAND    0x80000000
  84
  85 #define SA_NOMASK       SA_NODEFER
  86 #define SA_ONESHOT      SA_RESETHAND
  87 #define SA_INTERRUPT    0x20000000 /* dummy -- ignored */
  88
  89 #define SA_RESTORER     0x04000000
  90
  91 /*
  92  * sigaltstack controls
  93  */
  94 #define SS_ONSTACK      1
  95 #define SS_DISABLE      2
  96
  97 #define MINSIGSTKSZ     2048
  98 #define SIGSTKSZ        8192
  99 #ifdef __KERNEL__
 100
 101 /*
 102  * These values of sa_flags are used only by the kernel as part of the
 103  * irq handling routines.
 104  *
 105  * SA_INTERRUPT is also used by the irq handling routines.
 106  * SA_SHIRQ is for shared interrupt support on PCI and EISA.
 107  */
 108 #define SA_PROBE                SA_ONESHOT
 109 #define SA_SAMPLE_RANDOM        SA_RESTART
 110 #define SA_SHIRQ                0x04000000
 111 #endif
 112
 113 #define SIG_BLOCK          0    /* for blocking signals */
 114 #define SIG_UNBLOCK        1    /* for unblocking signals */
 115 #define SIG_SETMASK        2    /* for setting the signal mask */
 116
 117 /* Type of a signal handler.  */
 118 typedef void (*__sighandler_t)(int);
 119
 120 #define SIG_DFL ((__sighandler_t)0)     /* default signal handling */
 121 #define SIG_IGN ((__sighandler_t)1)     /* ignore signal */
 122 #define SIG_ERR ((__sighandler_t)-1)    /* error return from signal */
 123
 124 struct old_sigaction {
 125         __sighandler_t sa_handler;
 126         old_sigset_t sa_mask;
 127         unsigned long sa_flags;
 128         void (*sa_restorer)(void);
 129 };
 130
 131 struct sigaction {
 132         __sighandler_t sa_handler;
 133         unsigned long sa_flags;
 134         void (*sa_restorer)(void);
 135         sigset_t sa_mask;               /* mask last for extensibility */
 136 };
 137
 138 struct k_sigaction {
 139         struct sigaction sa;
 140 };
 141
 142 typedef struct sigaltstack {
 143         void *ss_sp;
 144         int ss_flags;
 145         size_t ss_size;
 146 } stack_t;
 147
 148 #ifdef __KERNEL__
 149 #include <asm/sigcontext.h>
 150
 151 #endif
 152
 153 #endif