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/*
 *  $Id: signal.h,v 1.1.1.2 2000-08-30 19:04:14 joel Exp $
 */
 
#ifndef __POSIX_SIGNALS_h
#define __POSIX_SIGNALS_h
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <sys/features.h>
#include "_ansi.h"
 
#include <sys/time.h>
#include <sys/siginfo.h>
#include <reent.h>        /* only for reentrant signal() and raise() */
 
/*
 *  7.7 Signal handling <signal.h>, ANSI C Standard.
 */
 
typedef int sig_atomic_t;
 
/*
 *  ANSI C Signal Handling Functions
 */
 
typedef void (*_sig_func_ptr) ();
 
_sig_func_ptr _EXFUN(_signal_r, (struct _reent *, int, _sig_func_ptr));
int _EXFUN(_raise_r, (struct _reent *, int));
 
#ifndef _REENT_ONLY
_sig_func_ptr _EXFUN(signal, (int, _sig_func_ptr));
int _EXFUN(raise, (int));
#endif
 
/*
 *  3.3.2 Send a Signal to a Process, P1003.1b-1993, p. 68
 *
 *  NOTE: Behavior of kill() depends on _POSIX_SAVED_IDS.
 */
 
int _EXFUN(kill, (pid_t pid, int sig));
 
/*
 *  3.3.3 Manipulate Signal Sets, P1003.1b-1993, p. 69
 */
 
int _EXFUN(sigemptyset, (sigset_t *set));
int _EXFUN(sigfillset,  (sigset_t *set));
int _EXFUN(sigaddset,   (sigset_t *set, int signo));
int _EXFUN(sigdelset,   (sigset_t *set, int signo));
int _EXFUN(sigismember, (const sigset_t *set, int signo));
 
/*
 *  3.3.4 Examine and Change Signal Action, P1003.1b-1993, p. 70
 */
 
int _EXFUN(sigaction,
           (int sig, const struct sigaction *act, struct sigaction *oact)
);
 
/*
 *  3.3.5 Examine and Change Blocked Signals, P1003.1b-1993, p. 73
 *
 *  NOTE: P1003.1c/D10, p. 37 adds pthread_sigmask().
 */
 
/* values for how */
 
#define SIG_BLOCK   1 /* resulting_set = (current_set | set)  */
#define SIG_UNBLOCK 2 /* resulting_set = (current_set & ~set)  */ 
#define SIG_SETMASK 3 /* resulting_set = set */
 
int _EXFUN(sigprocmask, (int how, const sigset_t *set, sigset_t *oset));
 
#if defined(_POSIX_THREADS)
int _EXFUN(pthread_sigmask, (int how, const sigset_t *set, sigset_t *oset));
#endif
 
/*
 *  3.3.6 Examine Pending Signals, P1003.1b-1993, p. 75
 */
 
int _EXFUN(sigpending, (sigset_t *set));
 
/*
 *  3.3.7 Wait for a Signal, P1003.1b-1993, p. 75
 */
 
int _EXFUN(sigsuspend, (const sigset_t *sigmask));
 
#if defined(_POSIX_REALTIME_SIGNALS)
 
/*
 *  3.3.8 Synchronously Accept a Signal, P1003.1b-1993, p. 76
 *
 *  NOTE: P1003.1c/D10, p. 39 adds sigwait().
 */
 
int _EXFUN(sigwaitinfo,  (const sigset_t *set, siginfo_t *info));
int _EXFUN(sigtimedwait,
  (const sigset_t *set, siginfo_t *info, const struct timespec  *timeout)
);
int _EXFUN(sigwait, (const sigset_t *set, int *sig));
 
/*
 *  3.3.9 Queue a Signal to a Process, P1003.1b-1993, p. 78
 */
 
int _EXFUN(sigqueue, (pid_t pid, int signo, const union sigval value));
 
#endif
 
/*
 *  3.3.10 Send a Signal to a Thread, P1003.1c/D10, p. 43
 */
 
#if defined(_POSIX_THREADS)
int _EXFUN(pthread_kill, (pthread_t thread, int sig));
#endif
 
/*
 *  3.4.1 Schedule Alarm, P1003.1b-1993, p. 79
 */
 
unsigned int _EXFUN(alarm, (unsigned int seconds));
 
/*
 *  3.4.2 Suspend Process Execution, P1003.1b-1993, p. 80
 */
 
int _EXFUN(pause, (void));
 
#ifdef __cplusplus
}
#endif
 
#endif
/* end of include file */

Line No.	Rev	Author	Line
1	39	lampret	`/*`
2	56	joel	`* $Id: signal.h,v 1.1.1.2 2000-08-30 19:04:14 joel Exp $`
3	39	lampret	`*/`
4
5			`#ifndef __POSIX_SIGNALS_h`
6			`#define __POSIX_SIGNALS_h`
7
8	56	joel	`#ifdef __cplusplus`
9			`extern "C" {`
10			`#endif`
11
12	39	lampret	`#include <sys/features.h>`
13			`#include "_ansi.h"`
14
15			`#include <sys/time.h>`
16			`#include <sys/siginfo.h>`
17			`#include <reent.h> /* only for reentrant signal() and raise() */`
18
19			`/*`
20			`* 7.7 Signal handling <signal.h>, ANSI C Standard.`
21			`*/`
22
23			`typedef int sig_atomic_t;`
24
25			`/*`
26			`* ANSI C Signal Handling Functions`
27			`*/`
28
29			`typedef void (*_sig_func_ptr) ();`
30
31			`_sig_func_ptr _EXFUN(_signal_r, (struct _reent *, int, _sig_func_ptr));`
32			`int _EXFUN(_raise_r, (struct _reent *, int));`
33
34			`#ifndef _REENT_ONLY`
35			`_sig_func_ptr _EXFUN(signal, (int, _sig_func_ptr));`
36			`int _EXFUN(raise, (int));`
37			`#endif`
38
39			`/*`
40			`* 3.3.2 Send a Signal to a Process, P1003.1b-1993, p. 68`
41			`*`
42			`* NOTE: Behavior of kill() depends on _POSIX_SAVED_IDS.`
43			`*/`
44
45			`int _EXFUN(kill, (pid_t pid, int sig));`
46
47			`/*`
48			`* 3.3.3 Manipulate Signal Sets, P1003.1b-1993, p. 69`
49			`*/`
50
51			`int _EXFUN(sigemptyset, (sigset_t *set));`
52			`int _EXFUN(sigfillset, (sigset_t *set));`
53			`int _EXFUN(sigaddset, (sigset_t *set, int signo));`
54			`int _EXFUN(sigdelset, (sigset_t *set, int signo));`
55			`int _EXFUN(sigismember, (const sigset_t *set, int signo));`
56
57			`/*`
58			`* 3.3.4 Examine and Change Signal Action, P1003.1b-1993, p. 70`
59			`*/`
60
61			`int _EXFUN(sigaction,`
62			`(int sig, const struct sigaction act, struct sigaction oact)`
63			`);`
64
65			`/*`
66			`* 3.3.5 Examine and Change Blocked Signals, P1003.1b-1993, p. 73`
67			`*`
68			`* NOTE: P1003.1c/D10, p. 37 adds pthread_sigmask().`
69			`*/`
70
71			`/* values for how */`
72
73			`#define SIG_BLOCK 1 /* resulting_set = (current_set \| set) */`
74			`#define SIG_UNBLOCK 2 /* resulting_set = (current_set & ~set) */`
75			`#define SIG_SETMASK 3 /* resulting_set = set */`
76
77			`int _EXFUN(sigprocmask, (int how, const sigset_t set, sigset_t oset));`
78
79			`#if defined(_POSIX_THREADS)`
80			`int _EXFUN(pthread_sigmask, (int how, const sigset_t set, sigset_t oset));`
81			`#endif`
82
83			`/*`
84			`* 3.3.6 Examine Pending Signals, P1003.1b-1993, p. 75`
85			`*/`
86
87			`int _EXFUN(sigpending, (sigset_t *set));`
88
89			`/*`
90			`* 3.3.7 Wait for a Signal, P1003.1b-1993, p. 75`
91			`*/`
92
93			`int _EXFUN(sigsuspend, (const sigset_t *sigmask));`
94
95			`#if defined(_POSIX_REALTIME_SIGNALS)`
96
97			`/*`
98			`* 3.3.8 Synchronously Accept a Signal, P1003.1b-1993, p. 76`
99			`*`
100			`* NOTE: P1003.1c/D10, p. 39 adds sigwait().`
101			`*/`
102
103			`int _EXFUN(sigwaitinfo, (const sigset_t set, siginfo_t info));`
104			`int _EXFUN(sigtimedwait,`
105			`(const sigset_t set, siginfo_t info, const struct timespec *timeout)`
106			`);`
107			`int _EXFUN(sigwait, (const sigset_t set, int sig));`
108
109			`/*`
110			`* 3.3.9 Queue a Signal to a Process, P1003.1b-1993, p. 78`
111			`*/`
112
113			`int _EXFUN(sigqueue, (pid_t pid, int signo, const union sigval value));`
114
115			`#endif`
116
117			`/*`
118			`* 3.3.10 Send a Signal to a Thread, P1003.1c/D10, p. 43`
119			`*/`
120
121			`#if defined(_POSIX_THREADS)`
122			`int _EXFUN(pthread_kill, (pthread_t thread, int sig));`
123			`#endif`
124
125			`/*`
126			`* 3.4.1 Schedule Alarm, P1003.1b-1993, p. 79`
127			`*/`
128
129			`unsigned int _EXFUN(alarm, (unsigned int seconds));`
130
131			`/*`
132			`* 3.4.2 Suspend Process Execution, P1003.1b-1993, p. 80`
133			`*/`
134
135			`int _EXFUN(pause, (void));`
136
137	56	joel	`#ifdef __cplusplus`
138			`}`
139	39	lampret	`#endif`
140	56	joel
141			`#endif`
142	39	lampret	`/* end of include file */`

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[/] [or1k_old/] [trunk/] [newlib/] [newlib/] [libc/] [sys/] [rtems/] [include/] [signal.h] - Blame information for rev 1782