Logo Search packages:      
Sourcecode: linux version File versions

signal.h

#ifndef _ASM_POWERPC_SIGNAL_H
#define _ASM_POWERPC_SIGNAL_H

#include <linux/types.h>

#define _NSIG           64
#ifdef __powerpc64__
#define _NSIG_BPW 64
#else
#define _NSIG_BPW 32
#endif
#define _NSIG_WORDS     (_NSIG / _NSIG_BPW)

typedef unsigned long old_sigset_t;       /* at least 32 bits */

typedef struct {
      unsigned long sig[_NSIG_WORDS];
} sigset_t;

#define SIGHUP           1
#define SIGINT           2
#define SIGQUIT          3
#define SIGILL           4
#define SIGTRAP          5
#define SIGABRT          6
#define SIGIOT           6
#define SIGBUS           7
#define SIGFPE           8
#define SIGKILL          9
#define SIGUSR1         10
#define SIGSEGV         11
#define SIGUSR2         12
#define SIGPIPE         13
#define SIGALRM         14
#define SIGTERM         15
#define SIGSTKFLT 16
#define SIGCHLD         17
#define SIGCONT         18
#define SIGSTOP         19
#define SIGTSTP         20
#define SIGTTIN         21
#define SIGTTOU         22
#define SIGURG          23
#define SIGXCPU         24
#define SIGXFSZ         25
#define SIGVTALRM 26
#define SIGPROF         27
#define SIGWINCH  28
#define SIGIO           29
#define SIGPOLL         SIGIO
/*
#define SIGLOST         29
*/
#define SIGPWR          30
#define SIGSYS          31
#define     SIGUNUSED   31

/* These should not be considered constants from userland.  */
#define SIGRTMIN  32
#define SIGRTMAX  _NSIG

/*
 * SA_FLAGS values:
 *
 * SA_ONSTACK is not currently supported, but will allow sigaltstack(2).
 * SA_RESTART flag to get restarting signals (which were the default long ago)
 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
 * SA_RESETHAND clears the handler when the signal is delivered.
 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
 * SA_NODEFER prevents the current signal from being masked in the handler.
 *
 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
 * Unix names RESETHAND and NODEFER respectively.
 */
#define SA_NOCLDSTOP    0x00000001U
#define SA_NOCLDWAIT    0x00000002U
#define SA_SIGINFO      0x00000004U
#define SA_ONSTACK      0x08000000U
#define SA_RESTART      0x10000000U
#define SA_NODEFER      0x40000000U
#define SA_RESETHAND    0x80000000U

#define SA_NOMASK SA_NODEFER
#define SA_ONESHOT      SA_RESETHAND

#define SA_RESTORER     0x04000000U

/*
 * sigaltstack controls
 */
#define SS_ONSTACK      1
#define SS_DISABLE      2

#define MINSIGSTKSZ     2048
#define SIGSTKSZ  8192

#include <asm-generic/signal.h>

struct old_sigaction {
      __sighandler_t sa_handler;
      old_sigset_t sa_mask;
      unsigned long sa_flags;
      __sigrestore_t sa_restorer;
};

struct sigaction {
      __sighandler_t sa_handler;
      unsigned long sa_flags;
      __sigrestore_t sa_restorer;
      sigset_t sa_mask;       /* mask last for extensibility */
};

struct k_sigaction {
      struct sigaction sa;
};

typedef struct sigaltstack {
      void __user *ss_sp;
      int ss_flags;
      size_t ss_size;
} stack_t;

#ifdef __KERNEL__
struct pt_regs;
#define ptrace_signal_deliver(regs, cookie) do { } while (0)
#endif /* __KERNEL__ */

#ifndef __powerpc64__
/*
 * These are parameters to dbg_sigreturn syscall.  They enable or
 * disable certain debugging things that can be done from signal
 * handlers.  The dbg_sigreturn syscall *must* be called from a
 * SA_SIGINFO signal so the ucontext can be passed to it.  It takes an
 * array of struct sig_dbg_op, which has the debug operations to
 * perform before returning from the signal.
 */
struct sig_dbg_op {
      int dbg_type;
      unsigned long dbg_value;
};

/* Enable or disable single-stepping.  The value sets the state. */
#define SIG_DBG_SINGLE_STEPPING           1

/* Enable or disable branch tracing.  The value sets the state. */
#define SIG_DBG_BRANCH_TRACING            2
#endif /* ! __powerpc64__ */

#endif /* _ASM_POWERPC_SIGNAL_H */

Generated by  Doxygen 1.6.0   Back to index