| 129 |
129 |
}
|
| 130 |
130 |
}
|
| 131 |
131 |
#elif defined(HAVE_SIGNAL) || defined(HAVE_SIGACTION)
|
| 132 |
|
static void signal_handler(int sig) {
|
|
132 |
static int signal_handler(int sig) {
|
| 133 |
133 |
switch (sig) {
|
| 134 |
134 |
case SIGTERM: srv_shutdown = 1; break;
|
| 135 |
135 |
case SIGINT:
|
| ... | ... | |
| 145 |
145 |
#endif
|
| 146 |
146 |
|
| 147 |
147 |
#ifdef HAVE_FORK
|
| 148 |
|
static void daemonize(void) {
|
|
148 |
static int daemonize() {
|
|
149 |
int pipefd[2];
|
|
150 |
pid_t pid;
|
| 149 |
151 |
#ifdef SIGTTOU
|
| 150 |
152 |
signal(SIGTTOU, SIG_IGN);
|
| 151 |
153 |
#endif
|
| ... | ... | |
| 155 |
157 |
#ifdef SIGTSTP
|
| 156 |
158 |
signal(SIGTSTP, SIG_IGN);
|
| 157 |
159 |
#endif
|
| 158 |
|
if (0 != fork()) exit(0);
|
| 159 |
160 |
|
|
161 |
if (pipe(pipefd) < 0) exit(-1);
|
|
162 |
|
|
163 |
if (0 > (pid = fork())) exit(-1);
|
|
164 |
else if (0 < pid)
|
|
165 |
{
|
|
166 |
char buf;
|
|
167 |
ssize_t bytes;
|
|
168 |
|
|
169 |
close(pipefd[1]);
|
|
170 |
/* parent waits for grandchild to be ready */
|
|
171 |
bytes = read(pipefd[0], &buf, sizeof(buf));
|
|
172 |
close(pipefd[0]);
|
|
173 |
|
|
174 |
/* closed fd (without writing) == failure in grandchild */
|
|
175 |
exit((bytes > 0) ? 0 : -1);
|
|
176 |
|
|
177 |
return 0; /* never reached */
|
|
178 |
}
|
|
179 |
|
|
180 |
/* better to return -1 in the following error cases? */
|
| 160 |
181 |
if (-1 == setsid()) exit(0);
|
| 161 |
182 |
|
| 162 |
183 |
signal(SIGHUP, SIG_IGN);
|
| ... | ... | |
| 164 |
185 |
if (0 != fork()) exit(0);
|
| 165 |
186 |
|
| 166 |
187 |
if (0 != chdir("/")) exit(0);
|
|
188 |
|
|
189 |
return pipefd[1];
|
| 167 |
190 |
}
|
| 168 |
191 |
#endif
|
| 169 |
192 |
|
| ... | ... | |
| 568 |
591 |
interval.it_value.tv_usec = 0;
|
| 569 |
592 |
#endif
|
| 570 |
593 |
|
|
594 |
#ifdef HAVE_FORK
|
|
595 |
int parent_pipe_fd = 0;
|
|
596 |
#endif
|
| 571 |
597 |
|
| 572 |
598 |
/* for nice %b handling in strfime() */
|
| 573 |
599 |
setlocale(LC_TIME, "C");
|
| ... | ... | |
| 951 |
977 |
|
| 952 |
978 |
#ifdef HAVE_FORK
|
| 953 |
979 |
/* network is up, let's deamonize ourself */
|
| 954 |
|
if (srv->srvconf.dont_daemonize == 0) daemonize();
|
|
980 |
if (srv->srvconf.dont_daemonize == 0) {
|
|
981 |
parent_pipe_fd = daemonize();
|
|
982 |
}
|
| 955 |
983 |
#endif
|
| 956 |
984 |
|
| 957 |
985 |
|
| ... | ... | |
| 1218 |
1246 |
}
|
| 1219 |
1247 |
}
|
| 1220 |
1248 |
|
|
1249 |
#ifdef HAVE_FORK
|
|
1250 |
if (srv->srvconf.dont_daemonize == 0) {
|
|
1251 |
/* notify daemonize-grandparent of successfull startup */
|
|
1252 |
if (0 > write(parent_pipe_fd, "\x0", 1)) return -1;
|
|
1253 |
close(parent_pipe_fd);
|
|
1254 |
}
|
|
1255 |
#endif
|
|
1256 |
|
| 1221 |
1257 |
/* main-loop */
|
| 1222 |
1258 |
while (!srv_shutdown) {
|
| 1223 |
1259 |
int n;
|