source: trunk/sys/dietlibc/include/signal.h @ 1

Last change on this file since 1 was 1, checked in by alain, 5 years ago

First import

File size: 3.6 KB
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1#ifndef _SIGNAL_H
2#define _SIGNAL_H
3
4#include <stdint.h>
5#include <sys/types.h>
6
7/* START COPY FROM KERNEL */
8#define SIG_DEFAULT    0L
9#define SIG_IGNORE     1L
10#define SIG_ERROR     -1L
11
12#define SIGHUP     1       /* hangup */
13#define SIGINT     2       /* interrupt */
14#define SIGQUIT    3       /* quit */
15#define SIGILL     4       /* illegal instruction (not reset when caught) */
16#define SIGTRAP    5       /* trace trap (not reset when caught) */
17#define SIGIOT     6       /* IOT instruction */
18#define SIGABRT    6       /* used by abort, replace SIGIOT in the future */
19#define SIGEMT     7       /* EMT instruction */
20#define SIGFPE     8       /* floating point exception */
21#define SIGKILL    9       /* kill (cannot be caught or ignored) */
22#define SIGBUS     10      /* bus error */
23#define SIGSEGV    11      /* segmentation violation */
24#define SIGSYS     12      /* bad argument to system call */
25#define SIGPIPE    13      /* write on a pipe with no one to read it */
26#define SIGALRM    14      /* alarm clock */
27#define SIGTERM    15      /* software termination signal from kill */
28#define SIGURG     16      /* urgent condition on IO channel */
29#define SIGSTOP    17      /* sendable stop signal not from tty */
30#define SIGTSTP    18      /* stop signal from tty */
31#define SIGCONT    19      /* continue a stopped process */
32#define SIGCHLD    20      /* to parent on child stop or exit */
33#define SIGCLD     20      /* System V name for SIGCHLD */
34#define SIGTTIN    21      /* to readers pgrp upon background tty read */
35#define SIGTTOU    22      /* like TTIN for output if (tp->t_local&LTOSTOP) */
36#define SIGIO      23      /* input/output possible signal */
37#define SIGPOLL    SIGIO   /* System V name for SIGIO */
38#define SIGXCPU    24      /* exceeded CPU time limit */
39#define SIGXFSZ    25      /* exceeded file size limit */
40#define SIGVTALRM  26      /* virtual time alarm */
41#define SIGPROF    27      /* profiling time alarm */
42#define SIGWINCH   28      /* window changed */
43#define SIGLOST    29      /* resource lost (eg, record-lock lost) */
44#define SIGUSR1    30      /* user defined signal 1 */
45#define SIGUSR2    31      /* user defined signal 2 */
46#define NSIG       32      /* signal 0 implied */
47
48typedef uint32_t sigval_t;
49typedef uint32_t sigset_t;
50
51typedef struct siginfo_s
52{
53  int      si_signo;    /* Signal number */
54  int      si_errno;    /* An errno value */
55  int      si_code;     /* Signal code */
56  pid_t    si_pid;      /* Sending process ID */
57  uid_t    si_uid;      /* Real user ID of sending process */
58  int      si_status;   /* Exit value or signal */
59  clock_t  si_utime;    /* User time consumed */
60  clock_t  si_stime;    /* System time consumed */
61  sigval_t si_value;    /* Signal value */
62  int      si_int;      /* POSIX.1b signal */
63  void    *si_ptr;      /* POSIX.1b signal */
64  void    *si_addr;     /* Memory location which caused fault */
65  int      si_band;     /* Band event */
66  int      si_fd;       /* File descriptor */
67}siginfo_t;
68
69struct sigaction_s
70{
71  sigset_t sa_mask;
72  uint32_t sa_flags;
73  union
74  { 
75    void (*sa_handler)(int);
76    void (*sa_sigaction)(int, siginfo_t *, void *);
77  };
78};
79/* END COPY FROM KERNEL */
80
81typedef void (*__sighandler_t)(int);
82
83#ifdef _BSD_SOURCE
84typedef sighandler_t sig_t;
85#endif
86
87#ifdef _GNU_SOURCE
88typedef __sighandler_t sighandler_t;
89#endif
90
91#define SIG_DFL ((void*)SIG_DEFAULT)    /* default signal handling  */
92#define SIG_IGN ((void*)SIG_IGNORE)     /* ignore signal            */
93#define SIG_ERR ((void*)SIG_ERROR)      /* error return from signal */
94
95void* signal(int sig, void (*func)(int));
96
97int kill(pid_t pid, int sig);
98int raise(int sig);
99
100#endif  /* _SIGNAL_H_ */
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