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
|
/*-------------------------------------------------------------------------
*
* 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 1.25 2004/02/08 22:28:57 neilc 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
#ifdef HAVE_SIGPROCMASK
extern sigset_t UnBlockSig,
BlockSig,
AuthBlockSig;
#define PG_SETMASK(mask) sigprocmask(SIG_SETMASK, mask, NULL)
#else
extern int UnBlockSig,
BlockSig,
AuthBlockSig;
#ifndef WIN32
#define PG_SETMASK(mask) sigsetmask(*((int*)(mask)))
#else
#define PG_SETMASK(mask) pqsigsetmask(*((int*)(mask)))
int pqsigsetmask(int mask);
#endif
#endif
typedef void (*pqsigfunc) (int);
extern void pqinitmask(void);
extern pqsigfunc pqsignal(int signo, pqsigfunc func);
extern void pg_queue_signal(int signum);
#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);
/* Signal function return values */
#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 */
|
