blob: b13fea924f76ba6b90788745ecfbbaaff7bc8735 (
plain)
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
|
/*-------------------------------------------------------------------------
*
* kill.c
* kill()
*
* Copyright (c) 1996-2003, PostgreSQL Global Development Group
*
* This is a replacement version of kill for Win32 which sends
* signals that the backend can recognize.
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/port/kill.c,v 1.1 2004/05/27 13:08:57 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#include "postgres.h"
#ifdef WIN32
/* signal sending */
int
pgkill(int pid, int sig)
{
char pipename[128];
BYTE sigData = sig;
BYTE sigRet = 0;
DWORD bytes;
if (sig >= PG_SIGNAL_COUNT || sig <= 0)
{
errno = EINVAL;
return -1;
}
if (pid <= 0)
{
/* No support for process groups */
errno = EINVAL;
return -1;
}
wsprintf(pipename, "\\\\.\\pipe\\pgsignal_%i", pid);
if (!CallNamedPipe(pipename, &sigData, 1, &sigRet, 1, &bytes, 1000))
{
if (GetLastError() == ERROR_FILE_NOT_FOUND)
errno = ESRCH;
else if (GetLastError() == ERROR_ACCESS_DENIED)
errno = EPERM;
else
errno = EINVAL;
return -1;
}
if (bytes != 1 || sigRet != sig)
{
errno = ESRCH;
return -1;
}
return 0;
}
#endif
|
