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
|
/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999, 2000, 2001, 2002, 2007 Free Software Foundation, Inc.
GNU Mailutils is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GNU Mailutils is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Mailutils; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301 USA */
#include "pop3d.h"
static int need_cleanup = 0;
void
process_cleanup ()
{
pid_t pid;
int status;
if (need_cleanup)
{
need_cleanup = 0;
while ( (pid = waitpid (-1, &status, WNOHANG)) > 0)
--children;
}
}
RETSIGTYPE
pop3d_sigchld (int signo MU_ARG_UNUSED)
{
need_cleanup = 1;
#ifndef HAVE_SIGACTION
signal (signo, pop3d_sigchld);
#endif
}
/* Default signal handler to call the pop3d_abquit() function */
RETSIGTYPE
pop3d_signal (int signo)
{
int code;
syslog (LOG_CRIT, _("Got signal %s"), strsignal (signo));
/* Master process. */
if (pop3d_is_master ())
{
syslog (LOG_CRIT, _("MASTER: exiting on signal"));
exit (EXIT_FAILURE);
}
switch (signo)
{
case SIGALRM:
code = ERR_TIMEOUT;
break;
case SIGPIPE:
code = ERR_NO_OFILE;
break;
default:
code = ERR_SIGNAL;
}
pop3d_abquit (code);
}
|
