1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
|
/*-------------------------------------------------------------------------
*
* pqsignal.h
* prototypes for the reliable BSD-style signal(2) routine.
*
*
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/libpq/pqsignal.h,v 1.24 2004/01/27 00:45:26 momjian Exp $
*
* NOTES
* This shouldn't be in libpq, but the monitor and some other
* things need it...
*
*-------------------------------------------------------------------------
*/
#ifndef PQSIGNAL_H
#define PQSIGNAL_H
#ifndef WIN32
#include <signal.h>
#endif
#ifndef WIN32
#define pqkill(pid,sig) kill(pid,sig)
#define pqsigsetmask(mask) sigsetmask(mask)
#else
int pqkill(int pid, int sig);
int pqsigsetmask(int mask);
#endif
#ifdef HAVE_SIGPROCMASK
extern sigset_t UnBlockSig,
BlockSig,
AuthBlockSig;
#define PG_SETMASK(mask) sigprocmask(SIG_SETMASK, mask, NULL)
#else
extern int UnBlockSig,
BlockSig,
AuthBlockSig;
#define PG_SETMASK(mask) pqsigsetmask(*((int*)(mask)))
#endif
typedef void (*pqsigfunc) (int);
extern void pqinitmask(void);
extern pqsigfunc pqsignal(int signo, pqsigfunc func);
#ifdef WIN32
#define sigmask(sig) ( 1 << (sig-1) )
void pgwin32_signal_initialize(void);
extern HANDLE pgwin32_main_thread_handle;
#define PG_POLL_SIGNALS() WaitForSingleObjectEx(pgwin32_main_thread_handle,0,TRUE);
/* Define signal numbers. Override system values, since they are not
complete anyway */
#undef SIGHUP
#define SIGHUP 1 /* hangup */
#undef SIGINT
#define SIGINT 2 /* interrupt */
#undef SIGQUIT
#define SIGQUIT 3 /* quit */
#undef SIGILL
#define SIGILL 4 /* illegal instruction (not reset when caught) */
#undef SIGTRAP
#define SIGTRAP 5 /* trace trap (not reset when caught) */
#undef SIGABRT
#define SIGABRT 6 /* abort(void) */
#undef SIGIOT
#define SIGIOT SIGABRT /* compatibility */
#undef SIGEMT
#define SIGEMT 7 /* EMT instruction */
#undef SIGFPE
#define SIGFPE 8 /* floating point exception */
#undef SIGKILL
#define SIGKILL 9 /* kill (cannot be caught or ignored) */
#undef SIGBUS
#define SIGBUS 10 /* bus error */
#undef SIGSEGV
#define SIGSEGV 11 /* segmentation violation */
#undef SIGSYS
#define SIGSYS 12 /* non-existent system call invoked */
#undef SIGSYS
#define SIGPIPE 13 /* write on a pipe with no one to read it */
#undef SIGALRM
#define SIGALRM 14 /* alarm clock */
#undef SIGTERM
#define SIGTERM 15 /* software termination signal from kill */
#undef SIGURG
#define SIGURG 16 /* urgent condition on IO channel */
#undef SIGSTOP
#define SIGSTOP 17 /* sendable stop signal not from tty */
#undef SIGTSTP
#define SIGTSTP 18 /* stop signal from tty */
#undef SIGCONT
#define SIGCONT 19 /* continue a stopped process */
#undef SIGCHLD
#define SIGCHLD 20 /* to parent on child stop or exit */
#undef SIGTTIN
#define SIGTTIN 21 /* to readers pgrp upon background tty read */
#undef SIGTTOU
#define SIGTTOU 22 /* like TTIN for output if (tp->t_local<OSTOP) */
#undef SIGIO
#define SIGIO 23 /* input/output possible signal */
#undef SIGXCPU
#define SIGXCPU 24 /* exceeded CPU time limit */
#undef SIGXFSZ
#define SIGXFSZ 25 /* exceeded file size limit */
#undef SIGVTALR
#define SIGVTALRM 26 /* virtual time alarm */
#undef SIGPROF
#define SIGPROF 27 /* profiling time alarm */
#undef SIGWINCH
#define SIGWINCH 28 /* window size changes */
#undef SIGINFO
#define SIGINFO 29 /* information request */
#undef SIGUSR1
#define SIGUSR1 30 /* user defined signal 1 */
#undef SIGUSR2
#define SIGUSR2 31 /* user defined signal 2 */
#undef SIG_DFL
#undef SIG_ERR
#undef SIG_IGN
#define SIG_DFL ((pqsigfunc)0)
#define SIG_ERR ((pqsigfunc)-1)
#define SIG_IGN ((pqsigfunc)1)
#endif
#endif /* PQSIGNAL_H */
|
