void SignalHandler::signalled(int sock) {
char signal;
read(sock, &signal, 1);
switch(signal) {
case 'I': emit sigint(); break;
case 'T': emit sigterm(); break;
case 'H': emit sighup(); break;
}
}
// ========================================================================== //
// Слот сигнала запроса завершения процесса.
// ========================================================================== //
void AUnixSignalHandler::onSigTermHandle() {
if(!_sig_term_notifier) return;
_sig_term_notifier->setEnabled(false);
char tmp;
ssize_t r = ::read(_g_sig_term_fd[1], &tmp, sizeof(tmp));
Q_UNUSED(r);
_sig_term_notifier->setEnabled(true);
emit sigterm();
}
void generic_handler(int signal){
switch (signal) {
case SIGINT:
sigint();
break;
case SIGQUIT:
sigquit();
break;
case SIGHUP:
sighup();
break;
case SIGSEGV:
sigsegv();
break;
case SIGTERM:
sigterm();
break;
}
}
int
main(int ac, char **av)
{
char c;
int n, N, fd, fid;
pid_t pid, ppid;
char buf[L_tmpnam+256];
char fname[L_tmpnam];
char* report_file = "Select on %d fd's";
char* report_tcp = "Select on %d tcp fd's";
char* report;
char* usage = "lat_select tcp|file [n]\n";
morefds();
N = 200;
fname[0] = 0;
pid = 0;
c = 0;
nfds = 0;
FD_ZERO(&set);
report = report_file;
if (ac != 2 && ac != 3) {
fprintf(stderr, usage);
exit(1);
}
if (streq(av[1], "tcp")) {
report = report_tcp;
/* Create a socket for clients to connect to */
fd = tcp_server(TCP_SELECT, SOCKOPT_REUSE);
if (fd <= 0) {
perror("lat_select: Could not open tcp server socket");
exit(1);
}
/* Start server process to accept client connections */
ppid = getpid();
switch(pid = fork()) {
case 0:
/* child server process */
if (signal(SIGTERM, sigterm) == SIG_ERR) {
perror("signal(SIGTERM, sigterm) failed");
exit(1);
}
FD_SET(fd, &set);
while (ppid == getppid()) {
int newsock = tcp_accept(fd, SOCKOPT_NONE);
if (newsock >= nfds) nfds = newsock + 1;
FD_SET(newsock, &set);
}
sigterm(SIGTERM);
/* NOTREACHED */
case -1:
/* error */
perror("lat_select::server(): fork() failed");
exit(1);
default:
break;
}
close(fd);
fd = tcp_connect("127.0.0.1", TCP_SELECT, SOCKOPT_NONE);
if (fd <= 0) {
perror("lat_select: Could not open socket");
exit(1);
}
} else if (streq(av[1], "file")) {
/* Create a temporary file for clients to open */
tmpnam(fname);
fd = open(fname, O_RDWR|O_APPEND|O_CREAT, 0666);
unlink(fname);
if (fd <= 0) {
char buf[L_tmpnam+128];
sprintf(buf,
"lat_select: Could not create temp file %s", fname);
perror(buf);
exit(1);
}
} else {
fprintf(stderr, usage);
exit(1);
}
if (ac == 3) N = atoi(av[2]);
for (n = 0; n < N; n++) {
fid = dup(fd);
if (fid == -1) break;
if (fid >= nfds) nfds = fid + 1;
FD_SET(fid, &set);
}
BENCH(doit(nfds, &set), 0);
sprintf(buf, report, n);
micro(buf, get_n());
for (fid = 0; fid < nfds; fid++) {
if (FD_ISSET(fid, &set)) {
close(fid);
}
}
close(fd);
if (pid) kill(pid, SIGTERM);
exit(0);
}
