| 1 |
39 |
lampret |
/*
|
| 2 |
56 |
joel |
* $Id: siginfo.h,v 1.1.1.2 2000-08-30 19:04:15 joel Exp $
|
| 3 |
39 |
lampret |
*/
|
| 4 |
|
|
|
| 5 |
|
|
#ifndef __POSIX_SYS_SIGNAL_INFORMATION_h
|
| 6 |
|
|
#define __POSIX_SYS_SIGNAL_INFORMATION_h
|
| 7 |
|
|
|
| 8 |
56 |
joel |
#ifdef __cplusplus
|
| 9 |
|
|
extern "C" {
|
| 10 |
|
|
#endif
|
| 11 |
|
|
|
| 12 |
39 |
lampret |
#if defined(_POSIX_THREADS)
|
| 13 |
|
|
#include <sys/types.h>
|
| 14 |
|
|
#endif
|
| 15 |
|
|
|
| 16 |
|
|
/*
|
| 17 |
|
|
* 3.3 Signal Concepts, P1003.1b-1993, p. 60
|
| 18 |
|
|
*/
|
| 19 |
|
|
|
| 20 |
|
|
typedef __uint32_t sigset_t;
|
| 21 |
|
|
|
| 22 |
|
|
#define SIG_DFL ((void (*)())0) /* Request for default signal handling */
|
| 23 |
|
|
#define SIG_IGN ((void (*)())1) /* Request that signal be ignored */
|
| 24 |
|
|
|
| 25 |
|
|
#define SIG_ERR ((void (*)())-1) /* Returned by signal() on error */
|
| 26 |
|
|
|
| 27 |
|
|
/*
|
| 28 |
|
|
* Required Signals.
|
| 29 |
|
|
*
|
| 30 |
|
|
* The default action is in parentheses and is one of the
|
| 31 |
|
|
* following actions:
|
| 32 |
|
|
*
|
| 33 |
|
|
* (1) abnormal termination of process
|
| 34 |
|
|
* (2) ignore the signal
|
| 35 |
|
|
* (3) stop the process
|
| 36 |
|
|
* (4) continue the process if it is currently stopped, otherwise
|
| 37 |
|
|
* ignore the signal
|
| 38 |
|
|
*/
|
| 39 |
|
|
|
| 40 |
|
|
#define SIGHUP 1 /* (1) hangup detected on controlling terminal */
|
| 41 |
|
|
#define SIGINT 2 /* (1) interactive attention signal */
|
| 42 |
|
|
#define SIGQUIT 3 /* (1) interactive termination signal */
|
| 43 |
|
|
#define SIGILL 4 /* (1) illegal instruction */
|
| 44 |
|
|
#define SIGTRAP 5 /* (1) trace trap (not reset) */
|
| 45 |
|
|
#define SIGIOT 6 /* (1) IOT instruction */
|
| 46 |
|
|
#define SIGABRT 6 /* (1) abnormal terminal signal */
|
| 47 |
|
|
#define SIGEMT 7 /* (1) EMT instruction */
|
| 48 |
|
|
#define SIGFPE 8 /* (1) erroneous arithmetic operation */
|
| 49 |
|
|
#define SIGKILL 9 /* (1) termination signal */
|
| 50 |
|
|
#define SIGBUS 10 /* (1) bus error */
|
| 51 |
|
|
#define SIGSEGV 11 /* (1) invalid memory reference */
|
| 52 |
|
|
#define SIGSYS 12 /* (1) bad argument to system call */
|
| 53 |
|
|
#define SIGPIPE 13 /* (1) write on pipe with no readers */
|
| 54 |
|
|
#define SIGALRM 14 /* (1) timeout signal, such as initiated by alarm() */
|
| 55 |
|
|
#define SIGTERM 15 /* (1) termination signal */
|
| 56 |
|
|
#define SIGUSR1 16 /* (1) reserved as application defined signal 1 */
|
| 57 |
|
|
#define SIGUSR2 17 /* (1) reserved as application defined signal 2 */
|
| 58 |
|
|
|
| 59 |
|
|
#define __SIGFIRSTNOTRT SIGHUP
|
| 60 |
|
|
#define __SIGLASTNOTRT SIGUSR2
|
| 61 |
|
|
|
| 62 |
|
|
/*
|
| 63 |
|
|
* RTEMS does not support job control, hence no Job Control Signals are
|
| 64 |
|
|
* defined per P1003.1b-1993, p. 60-61.
|
| 65 |
|
|
*/
|
| 66 |
|
|
|
| 67 |
|
|
/*
|
| 68 |
|
|
* RTEMS does not support memory protection, hence no Memory Protection
|
| 69 |
|
|
* Signals are defined per P1003.1b-1993, p. 60-61.
|
| 70 |
|
|
*/
|
| 71 |
|
|
|
| 72 |
|
|
/*
|
| 73 |
|
|
* Real-Time Signals Range, P1003.1b-1993, p. 61
|
| 74 |
|
|
*
|
| 75 |
|
|
* NOTE: This should be at least RTSIG_MAX (which is a minimum of 8) signals.
|
| 76 |
|
|
*/
|
| 77 |
|
|
|
| 78 |
|
|
#define SIGRTMIN 18
|
| 79 |
|
|
#define SIGRTMAX 32
|
| 80 |
|
|
|
| 81 |
|
|
/* sigev_notify values
|
| 82 |
|
|
*
|
| 83 |
|
|
* NOTE: P1003.1c/D10, p. 34 adds SIGEV_THREAD.
|
| 84 |
|
|
*/
|
| 85 |
|
|
|
| 86 |
|
|
#define SIGEV_NONE 1 /* No asynchronous notification shall be delivered */
|
| 87 |
|
|
/* when the event of interest occurs. */
|
| 88 |
|
|
#define SIGEV_SIGNAL 2 /* A queued signal, with an application defined */
|
| 89 |
|
|
/* value, shall be delivered when the event of */
|
| 90 |
|
|
/* interest occurs. */
|
| 91 |
|
|
#define SIGEV_THREAD 3 /* A notification function shall be called to */
|
| 92 |
|
|
/* perform notification. */
|
| 93 |
|
|
/*
|
| 94 |
|
|
* 3.3.1.2 Signal Generation and Delivery, P1003.1b-1993, p. 63
|
| 95 |
|
|
*
|
| 96 |
|
|
* NOTE: P1003.1c/D10, p. 34 adds sigev_notify_function and
|
| 97 |
|
|
* sigev_notify_attributes to the sigevent structure.
|
| 98 |
|
|
*/
|
| 99 |
|
|
|
| 100 |
|
|
union sigval {
|
| 101 |
|
|
int sival_int; /* Integer signal value */
|
| 102 |
|
|
void *sival_ptr; /* Pointer signal value */
|
| 103 |
|
|
};
|
| 104 |
|
|
|
| 105 |
|
|
struct sigevent {
|
| 106 |
|
|
int sigev_notify; /* Notification type */
|
| 107 |
|
|
int sigev_signo; /* Signal number */
|
| 108 |
|
|
union sigval sigev_value; /* Signal value */
|
| 109 |
|
|
|
| 110 |
|
|
#if defined(_POSIX_THREADS)
|
| 111 |
|
|
void (*sigev_notify_function)( union sigval );
|
| 112 |
|
|
/* Notification function */
|
| 113 |
|
|
pthread_attr_t *sigev_notify_attributes; /* Notification Attributes */
|
| 114 |
|
|
#endif
|
| 115 |
|
|
};
|
| 116 |
|
|
|
| 117 |
|
|
/*
|
| 118 |
|
|
* 3.3.1.3 Signal Actions, P1003.1b-1993, p. 64
|
| 119 |
|
|
*/
|
| 120 |
|
|
|
| 121 |
|
|
/* si_code values, p. 66 */
|
| 122 |
|
|
|
| 123 |
|
|
#define SI_USER 1 /* Sent by a user. kill(), abort(), etc */
|
| 124 |
|
|
#define SI_QUEUE 2 /* Sent by sigqueue() */
|
| 125 |
|
|
#define SI_TIMER 3 /* Sent by expiration of a timer_settime() timer */
|
| 126 |
|
|
#define SI_ASYNCIO 4 /* Indicates completion of asycnhronous IO */
|
| 127 |
|
|
#define SI_MESGQ 5 /* Indicates arrival of a message at an empty queue */
|
| 128 |
|
|
|
| 129 |
|
|
typedef struct {
|
| 130 |
|
|
int si_signo; /* Signal number */
|
| 131 |
|
|
int si_code; /* Cause of the signal */
|
| 132 |
|
|
union sigval si_value; /* Signal value */
|
| 133 |
|
|
} siginfo_t;
|
| 134 |
|
|
|
| 135 |
|
|
/*
|
| 136 |
|
|
* 3.3.4 Examine and Change Signal Action, P1003.1b-1993, p. 70
|
| 137 |
|
|
*/
|
| 138 |
|
|
|
| 139 |
|
|
/* sa_flags values */
|
| 140 |
|
|
|
| 141 |
|
|
#define SA_NOCLDSTOP 1 /* Do not generate SIGCHLD when children stop */
|
| 142 |
|
|
#define SA_SIGINFO 2 /* Invoke the signal catching function with */
|
| 143 |
|
|
/* three arguments instead of one. */
|
| 144 |
|
|
|
| 145 |
|
|
/*
|
| 146 |
|
|
* Data Structure Notes:
|
| 147 |
|
|
*
|
| 148 |
|
|
* (1) Routines stored in sa_handler should take a single int as
|
| 149 |
|
|
* there argument although the POSIX standard does not require this.
|
| 150 |
|
|
* (2) The fields sa_handler and sa_sigaction may overlap, and a conforming
|
| 151 |
|
|
* application should not use both simultaneously.
|
| 152 |
|
|
*
|
| 153 |
|
|
* NOTE: In this implementation, macros are provided to access into the
|
| 154 |
|
|
* union.
|
| 155 |
|
|
*/
|
| 156 |
|
|
|
| 157 |
|
|
struct sigaction {
|
| 158 |
|
|
int sa_flags; /* Special flags to affect behavior of signal */
|
| 159 |
|
|
sigset_t sa_mask; /* Additional set of signals to be blocked */
|
| 160 |
|
|
/* during execution of signal-catching */
|
| 161 |
|
|
/* function. */
|
| 162 |
|
|
union {
|
| 163 |
|
|
void (*_handler)(); /* SIG_DFL, SIG_IGN, or pointer to a function */
|
| 164 |
|
|
void (*_sigaction)( int, siginfo_t *, void * );
|
| 165 |
|
|
} _signal_handlers;
|
| 166 |
|
|
};
|
| 167 |
|
|
|
| 168 |
|
|
#define sa_handler _signal_handlers._handler
|
| 169 |
|
|
#define sa_sigaction _signal_handlers._sigaction
|
| 170 |
|
|
|
| 171 |
56 |
joel |
#ifdef __cplusplus
|
| 172 |
|
|
}
|
| 173 |
|
|
#endif
|
| 174 |
|
|
|
| 175 |
39 |
lampret |
#endif
|
| 176 |
|
|
/* end of include file */
|
