int install_crash_handler(void (*handler)(int))
{
return install_sighandler(SIGSEGV, handler, true) ||
install_sighandler(SIGABRT, handler, true) ||
install_sighandler(SIGBUS, handler, true) ||
install_sighandler(SIGILL, handler, true) ||
install_sighandler(SIGFPE, handler, true);
}
/*
* Many operating systems allow signals to be sent to running
* processes. Some signals have a defined effect on the process, while
* others may be trapped at the code level and acted upon. For
* example, your process may trap the USR1 signal and use it to toggle
* debugging, and may use TERM to initiate a controlled shutdown.
*
* pid = fork do
* Signal.trap("USR1") do
* $debug = !$debug
* puts "Debug now: #$debug"
* end
* Signal.trap("TERM") do
* puts "Terminating..."
* shutdown()
* end
* # . . . do some work . . .
* end
*
* Process.detach(pid)
*
* # Controlling program:
* Process.kill("USR1", pid)
* # ...
* Process.kill("USR1", pid)
* # ...
* Process.kill("TERM", pid)
*
* produces:
* Debug now: true
* Debug now: false
* Terminating...
*
* The list of available signal names and their interpretation is
* system dependent. Signal delivery semantics may also vary between
* systems; in particular signal delivery may not always be reliable.
*/
void
Init_signal(void)
{
VALUE mSignal = rb_define_module("Signal");
rb_define_global_function("trap", sig_trap, -1);
rb_define_module_function(mSignal, "trap", sig_trap, -1);
rb_define_module_function(mSignal, "list", sig_list, 0);
rb_define_method(rb_eSignal, "initialize", esignal_init, -1);
rb_define_method(rb_eSignal, "signo", esignal_signo, 0);
rb_alias(rb_eSignal, rb_intern("signm"), rb_intern("message"));
rb_define_method(rb_eInterrupt, "initialize", interrupt_init, -1);
install_sighandler(SIGINT, sighandler);
#ifdef SIGHUP
install_sighandler(SIGHUP, sighandler);
#endif
#ifdef SIGQUIT
install_sighandler(SIGQUIT, sighandler);
#endif
#ifdef SIGTERM
install_sighandler(SIGTERM, sighandler);
#endif
#ifdef SIGALRM
install_sighandler(SIGALRM, sighandler);
#endif
#ifdef SIGUSR1
install_sighandler(SIGUSR1, sighandler);
#endif
#ifdef SIGUSR2
install_sighandler(SIGUSR2, sighandler);
#endif
#ifdef RUBY_DEBUG_ENV
if (!ruby_enable_coredump)
#endif
{
#ifdef SIGBUS
install_sighandler(SIGBUS, sigbus);
#endif
#ifdef SIGSEGV
# ifdef USE_SIGALTSTACK
rb_register_sigaltstack(GET_THREAD());
# endif
install_sighandler(SIGSEGV, (sighandler_t)sigsegv);
#endif
}
#ifdef SIGPIPE
install_sighandler(SIGPIPE, sigpipe);
#endif
#if defined(SIGCLD)
init_sigchld(SIGCLD);
#elif defined(SIGCHLD)
init_sigchld(SIGCHLD);
#endif
}
/*
* Many operating systems allow signals to be sent to running
* processes. Some signals have a defined effect on the process, while
* others may be trapped at the code level and acted upon. For
* example, your process may trap the USR1 signal and use it to toggle
* debugging, and may use TERM to initiate a controlled shutdown.
*
* pid = fork do
* Signal.trap("USR1") do
* $debug = !$debug
* puts "Debug now: #$debug"
* end
* Signal.trap("TERM") do
* puts "Terminating..."
* shutdown()
* end
* # . . . do some work . . .
* end
*
* Process.detach(pid)
*
* # Controlling program:
* Process.kill("USR1", pid)
* # ...
* Process.kill("USR1", pid)
* # ...
* Process.kill("TERM", pid)
*
* produces:
* Debug now: true
* Debug now: false
* Terminating...
*
* The list of available signal names and their interpretation is
* system dependent. Signal delivery semantics may also vary between
* systems; in particular signal delivery may not always be reliable.
*/
void
Init_signal(void)
{
#ifndef MACOS_UNUSE_SIGNAL
VALUE mSignal = rb_define_module("Signal");
rb_define_global_function("trap", sig_trap, -1);
rb_define_module_function(mSignal, "trap", sig_trap, -1);
rb_define_module_function(mSignal, "list", sig_list, 0);
rb_define_method(rb_eSignal, "initialize", esignal_init, -1);
rb_attr(rb_eSignal, rb_intern("signo"), 1, 0, 0);
rb_alias(rb_eSignal, rb_intern("signm"), rb_intern("message"));
rb_define_method(rb_eInterrupt, "initialize", interrupt_init, -1);
install_sighandler(SIGINT, sighandler);
#ifdef SIGHUP
install_sighandler(SIGHUP, sighandler);
#endif
#ifdef SIGQUIT
install_sighandler(SIGQUIT, sighandler);
#endif
#ifdef SIGTERM
install_sighandler(SIGTERM, sighandler);
#endif
#ifdef SIGALRM
install_sighandler(SIGALRM, sighandler);
#endif
#ifdef SIGUSR1
install_sighandler(SIGUSR1, sighandler);
#endif
#ifdef SIGUSR2
install_sighandler(SIGUSR2, sighandler);
#endif
#ifdef RUBY_DEBUG_ENV
if (!ruby_enable_coredump)
#endif
{
#ifdef SIGBUS
install_sighandler(SIGBUS, sigbus);
#endif
#ifdef SIGSEGV
install_sighandler(SIGSEGV, sigsegv);
#endif
}
#ifdef SIGPIPE
install_sighandler(SIGPIPE, sigpipe);
#endif
#if defined(SIGCLD)
init_sigchld(SIGCLD);
#elif defined(SIGCHLD)
init_sigchld(SIGCHLD);
#endif
#endif /* MACOS_UNUSE_SIGNAL */
}
/*
* Many operating systems allow signals to be sent to running
* processes. Some signals have a defined effect on the process, while
* others may be trapped at the code level and acted upon. For
* example, your process may trap the USR1 signal and use it to toggle
* debugging, and may use TERM to initiate a controlled shutdown.
*
* pid = fork do
* Signal.trap("USR1") do
* $debug = !$debug
* puts "Debug now: #$debug"
* end
* Signal.trap("TERM") do
* puts "Terminating..."
* shutdown()
* end
* # . . . do some work . . .
* end
*
* Process.detach(pid)
*
* # Controlling program:
* Process.kill("USR1", pid)
* # ...
* Process.kill("USR1", pid)
* # ...
* Process.kill("TERM", pid)
*
* produces:
* Debug now: true
* Debug now: false
* Terminating...
*
* The list of available signal names and their interpretation is
* system dependent. Signal delivery semantics may also vary between
* systems; in particular signal delivery may not always be reliable.
*/
void
Init_signal(void)
{
#ifndef MACOS_UNUSE_SIGNAL
VALUE mSignal = rb_define_module("Signal");
rb_define_global_function("trap", sig_trap, -1);
rb_define_module_function(mSignal, "trap", sig_trap, -1);
rb_define_module_function(mSignal, "list", sig_list, 0);
install_sighandler(SIGINT, sighandler);
#ifdef SIGHUP
install_sighandler(SIGHUP, sighandler);
#endif
#ifdef SIGQUIT
install_sighandler(SIGQUIT, sighandler);
#endif
#ifdef SIGTERM
install_sighandler(SIGTERM, sighandler);
#endif
#ifdef SIGALRM
install_sighandler(SIGALRM, sighandler);
#endif
#ifdef SIGUSR1
install_sighandler(SIGUSR1, sighandler);
#endif
#ifdef SIGUSR2
install_sighandler(SIGUSR2, sighandler);
#endif
#ifdef SIGBUS
install_sighandler(SIGBUS, sigbus);
#endif
#ifdef SIGSEGV
install_sighandler(SIGSEGV, sigsegv);
#endif
#ifdef SIGPIPE
install_sighandler(SIGPIPE, sigpipe);
#endif
#if defined(SIGCLD)
init_sigchld(SIGCLD);
#elif defined(SIGCHLD)
init_sigchld(SIGCHLD);
#endif
#endif /* MACOS_UNUSE_SIGNAL */
}
void start_scan_sambaserver(int use_sys_timer)
{
//- Remove all
smb_srv_info_t *c;
for (c = smb_srv_info_list; c; c = c->next) {
Cdbg(DBE, "remove , ip=[%s]\n", c->ip->ptr);
DLIST_REMOVE(smb_srv_info_list,c);
free(c);
c = smb_srv_info_list;
}
free(smb_srv_info_list);
init_a_srvInfo();
g_useSystemTimer = use_sys_timer;
g_bInitialize = 1;
#ifdef _USEMYTIMER
if(g_useSystemTimer==0){
Cdbg(DBE, "create timer\n");
timer_t arp_timer = create_timer(TT_SIGUSR2);
install_sighandler(TT_SIGUSR2, on_arpping_timer_handler);
set_timer(arp_timer, ARP_TIME_INTERVAL);
}
#endif
}
int main(int argc, char* argv[])
{
char* buffer;
size_t length, body_pos;
struct artist_album_state state = {0};
int i;
setlocale(LC_ALL, "");
install_sighandler();
httpreq(&buffer, &length);
body_pos = http_body_offset(buffer, length);
LOG(LOG_OK, "New relases:");
parse_json(buffer + body_pos, length - body_pos, (void*)&state, artist_album_cb);
for (i = 0; i < state.result_index; i++) {
printf("%d. %s\n", i, state.result[i]);
}
spotify_main_loop(argv[1], argv[2], spotify_callback);
free(buffer);
for (i = 0; i < state.result_index; i++) {
free(state.result[i]);
}
return 0;
}
/*
* Many operating systems allow signals to be sent to running
* processes. Some signals have a defined effect on the process, while
* others may be trapped at the code level and acted upon. For
* example, your process may trap the USR1 signal and use it to toggle
* debugging, and may use TERM to initiate a controlled shutdown.
*
* pid = fork do
* Signal.trap("USR1") do
* $debug = !$debug
* puts "Debug now: #$debug"
* end
* Signal.trap("TERM") do
* puts "Terminating..."
* shutdown()
* end
* # . . . do some work . . .
* end
*
* Process.detach(pid)
*
* # Controlling program:
* Process.kill("USR1", pid)
* # ...
* Process.kill("USR1", pid)
* # ...
* Process.kill("TERM", pid)
*
* produces:
* Debug now: true
* Debug now: false
* Terminating...
*
* The list of available signal names and their interpretation is
* system dependent. Signal delivery semantics may also vary between
* systems; in particular signal delivery may not always be reliable.
*/
void
Init_signal(void)
{
#ifndef MACOS_UNUSE_SIGNAL
VALUE mSignal = rb_define_module("Signal");
rb_objc_define_module_function(rb_mKernel, "trap", sig_trap, -1);
rb_objc_define_method(*(VALUE *)mSignal, "trap", sig_trap, -1);
rb_objc_define_method(*(VALUE *)mSignal, "list", sig_list, 0);
rb_objc_define_method(rb_eSignal, "initialize", esignal_init, -1);
rb_objc_define_method(rb_eSignal, "signo", esignal_signo, 0);
rb_alias(rb_eSignal, rb_intern("signm"), rb_intern("message"));
rb_objc_define_method(rb_eInterrupt, "initialize", interrupt_init, -1);
/* install_sighandler(SIGINT, sighandler); */
/* install_sighandler(SIGHUP, sighandler); */
/* install_sighandler(SIGQUIT, sighandler); */
/* install_sighandler(SIGTERM, sighandler); */
/* install_sighandler(SIGALRM, sighandler); */
/* install_sighandler(SIGUSR1, sighandler); */
/* install_sighandler(SIGUSR2, sighandler); */
#ifdef RUBY_DEBUG_ENV
if (!ruby_enable_coredump)
#endif
install_sighandler(SIGPIPE, sigpipe);
init_sigchld(SIGCHLD);
#endif /* !MACOS_UNUSE_SIGNAL */
}
void
mrb_mruby_signal_gem_init(mrb_state* mrb) {
struct RClass *signal = mrb_define_module(mrb, "Signal");
mrb_obj_iv_set(mrb, (struct RObject *)signal, mrb_intern_lit(mrb, "trap_list"), mrb_ary_new_capa(mrb, NSIG));
mrb_define_class_method(mrb, signal, "trap", signal_trap, MRB_ARGS_ANY());
mrb_define_class_method(mrb, signal, "list", signal_list, MRB_ARGS_NONE());
mrb_define_class_method(mrb, signal, "signame", signal_signame, MRB_ARGS_REQ(1));
mrb_define_method(mrb, mrb->kernel_module, "trap", signal_trap, MRB_ARGS_ANY());
install_sighandler(mrb, SIGINT, sighandler);
#ifdef SIGHUP
install_sighandler(mrb, SIGHUP, sighandler);
#endif
#ifdef SIGQUIT
install_sighandler(mrb, SIGQUIT, sighandler);
#endif
#ifdef SIGTERM
install_sighandler(mrb, SIGTERM, sighandler);
#endif
#ifdef SIGALRM
install_sighandler(mrb, SIGALRM, sighandler);
#endif
#ifdef SIGUSR1
install_sighandler(mrb, SIGUSR1, sighandler);
#endif
#ifdef SIGUSR2
install_sighandler(mrb, SIGUSR2, sighandler);
#endif
}
/// Install signal handlers
static void install_sigs(void)
{
#ifdef SIGXFSZ
// Some systems may send signal if our swapfiles get too large, but we have
// our own ways of dealing with that eventuality. Ignore the signal.
signal(SIGXFSZ, SIG_IGN);
#endif
// Install exit handler. These may not be repeatable, i.e. if the same signal
// comes in again, we will probably just be terminated. But that's not
// unreasonable, come to think of it.
signal(SIGTERM, sighand_exit);
signal(SIGHUP, sighand_exit);
#ifdef SIGPWR
signal(SIGPWR, sighand_exit);
#endif
// These handlers must be repeatable.
install_sighandler(SIGUSR1, sighand_status);
install_sighandler(SIGUSR2, sighand_diet);
}
int main(int argc, char *argv[])
{
parse_args(argc, argv);
#ifdef CAPS_SUPPORT
set_user();
set_caps();
#endif
create_thread();
create_jvm();
install_sighandler();
run();
return 0;
}
int main(int argc, char ** argv) {
if (argc != 4) {
return usage(argv[0]);
}
install_sighandler();
g_playlist_name = argv[3];
spotify_main_loop_init(argv[1], argv[2], spotify_callback);
spotify_main_loop();
return EXIT_SUCCESS;
}
int main(int argc, char **argv)
{
if (argc == 2) {
port_name = argv[1];
}
//printf("Using %s as serial device.\n", port_name);
char ttybuf[255];
tty_fd = open_tty();
if (tty_fd < 0) {
//printf("Error opening terminal.\n");
return (1);
}
install_sighandler();
if (init() < 0) {
//printf("Cannot open port.\r\n");
exit(1);
}
while (1) {
int n = read(tty_fd, ttybuf, sizeof(ttybuf));
int i;
/* check for 0x3 (ctrl-c), clean exit */
for (i = 0; i < n; i++) {
if (ttybuf[i] == 0x3) {
if (i > 0) {
write_serial_port(ttybuf, i);
}
close_serial_port();
close_tty();
system("tset -c");
return 0;
}
}
write_serial_port(ttybuf, n);
}
close_tty();
close_serial_port();
return 0;
}
int ttyHandler::openConnection() {
install_sighandler();
m_mtxSerialPort.lock();
int result = m_sh.open_serial_port(m_strPort.c_str());
m_mtxSerialPort.unlock();
if(result < 0)
return result;
std::thread m_pReadThread(&ttyHandler::readPort, this, this );
m_pReadThread.detach();
hardResetToUserCode();
return result;
}
/**
* @brief 初始化
*
* @return 成功返回0，失败返回失败的步骤
*/
int init(int argc, char **argv)
{
init_print_level(); ///< console 消息级别
global_container_init(); ///<对象容器初始化
install_sighandler(); ///<安装信号处理函数
register_class();
poller_create(POLLER_MAX);
app_init(argc, argv);
if(system_threads() < 0)
return -2;
return 0;
}
void start_scan_sambaserver(int use_sys_timer)
{
Cdbg(DBE, "start start_scan_sambaserver...");
//- Remove all
smb_srv_info_t *c;
for (c = smb_srv_info_list; c; c = c->next) {
Cdbg(DBE, "remove , ip=[%s]\n", c->ip->ptr);
DLIST_REMOVE(smb_srv_info_list,c);
free(c);
c = smb_srv_info_list;
}
free(smb_srv_info_list);
read_arpping_list();
if( init_a_srvInfo() == 0 )
return;
g_useSystemTimer = use_sys_timer;
g_bInitialize = 1;
#ifdef _USEMYTIMER
if(g_useSystemTimer==0){
g_arp_timer = create_timer(TT_SIGUSR2);
install_sighandler(TT_SIGUSR2, on_arpping_timer_handler2);
set_timer(g_arp_timer, ARP_TIME_INTERVAL);
}
#endif
#ifdef _USEMYTIMER2
struct itimerval tout_val;
tout_val.it_interval.tv_sec = ARP_TIME_INTERVAL;
tout_val.it_interval.tv_usec = 0;
tout_val.it_value.tv_sec = ARP_TIME_INTERVAL; /* set timer for "INTERVAL (10) seconds */
tout_val.it_value.tv_usec = 0;
setitimer(ITIMER_REAL, &tout_val,0);
signal(SIGALRM,on_arpping_timer_handler2); /* set the Alarm signal capture */
#endif
}
int main(int argc, char **argv)
{
int ch, longindex, ret, port = SD_LISTEN_PORT, io_port = SD_LISTEN_PORT;
int rc = 1;
const char *dirp = DEFAULT_OBJECT_DIR, *short_options;
char *dir, *p, *pid_file = NULL, *bindaddr = NULL, log_path[PATH_MAX],
*argp = NULL;
bool explicit_addr = false;
bool daemonize = true;
int32_t nr_vnodes = -1;
int64_t zone = -1;
struct cluster_driver *cdrv;
struct option *long_options;
const char *http_options = NULL;
static struct logger_user_info sheep_info;
struct stat logdir_st;
enum log_dst_type log_dst_type;
sys->cinfo.flags |= SD_CLUSTER_FLAG_AUTO_VNODES;
sys->node_status = SD_NODE_STATUS_INITIALIZATION;
sys->rthrottling.max_exec_count = 0;
sys->rthrottling.queue_work_interval = 0;
sys->rthrottling.throttling = false;
install_crash_handler(crash_handler);
signal(SIGPIPE, SIG_IGN);
install_sighandler(SIGHUP, sighup_handler, false);
long_options = build_long_options(sheep_options);
short_options = build_short_options(sheep_options);
while ((ch = getopt_long(argc, argv, short_options, long_options,
&longindex)) >= 0) {
switch (ch) {
case 'p':
port = strtol(optarg, &p, 10);
if (optarg == p || port < 1 || UINT16_MAX < port
|| *p != '\0') {
sd_err("Invalid port number '%s'", optarg);
exit(1);
}
break;
case 'P':
pid_file = optarg;
break;
case 'r':
http_options = optarg;
break;
case 'l':
if (option_parse(optarg, ",", log_parsers) < 0)
exit(1);
break;
case 'n':
sys->nosync = true;
break;
case 'y':
if (!str_to_addr(optarg, sys->this_node.nid.addr)) {
sd_err("Invalid address: '%s'", optarg);
exit(1);
}
explicit_addr = true;
break;
case 'D':
sys->backend_dio = true;
break;
case 'f':
daemonize = false;
break;
case 'g':
if (nr_vnodes > 0) {
sd_err("Options '-g' and '-V' can not be both specified");
exit(1);
}
nr_vnodes = 0;
break;
case 'z':
zone = strtol(optarg, &p, 10);
if (optarg == p || zone < 0 || UINT32_MAX < zone
|| *p != '\0') {
sd_err("Invalid zone id '%s': must be "
"an integer between 0 and %u", optarg,
UINT32_MAX);
exit(1);
}
sys->this_node.zone = zone;
break;
case 'u':
sys->upgrade = true;
break;
case 'c':
sys->cdrv = find_cdrv(optarg);
if (!sys->cdrv) {
sd_err("Invalid cluster driver '%s'", optarg);
fprintf(stderr, "Supported drivers:");
FOR_EACH_CLUSTER_DRIVER(cdrv) {
fprintf(stderr, " %s", cdrv->name);
}
fprintf(stderr, "\n");
exit(1);
}
sys->cdrv_option = get_cdrv_option(sys->cdrv, optarg);
break;
case 'w':
sys->enable_object_cache = true;
sys->object_cache_size = 0;
if (option_parse(optarg, ",", cache_parsers) < 0)
exit(1);
if (sys->object_cache_size == 0) {
sd_err("object cache size is not set");
exit(1);
}
break;
case 'i':
if (option_parse(optarg, ",", ionic_parsers) < 0)
exit(1);
if (!str_to_addr(io_addr, sys->this_node.nid.io_addr)) {
sd_err("Bad addr: '%s'", io_addr);
exit(1);
}
if (io_pt)
if (sscanf(io_pt, "%u", &io_port) != 1) {
sd_err("Bad port '%s'", io_pt);
exit(1);
}
sys->this_node.nid.io_port = io_port;
break;
case 'j':
uatomic_set_true(&sys->use_journal);
if (option_parse(optarg, ",", journal_parsers) < 0)
exit(1);
if (!jsize) {
sd_err("you must specify size for journal");
exit(1);
}
break;
case 'b':
if (!inetaddr_is_valid(optarg))
exit(1);
bindaddr = optarg;
break;
case 'h':
usage(0);
break;
case 'R':
if (option_parse(optarg, ",", recovery_parsers) < 0)
exit(1);
sys->rthrottling.max_exec_count = max_exec_count;
sys->rthrottling.queue_work_interval
= queue_work_interval;
if (max_exec_count > 0 && queue_work_interval > 0)
sys->rthrottling.throttling = true;
break;
case 'v':
fprintf(stdout, "Sheepdog daemon version %s\n",
PACKAGE_VERSION);
exit(0);
break;
case 'V':
sys->cinfo.flags &= ~SD_CLUSTER_FLAG_AUTO_VNODES;
if (nr_vnodes == 0) {
sd_err("Options '-g' and '-V' can not be both specified");
exit(1);
}
nr_vnodes = strtol(optarg, &p, 10);
if (optarg == p || nr_vnodes < 1
|| UINT16_MAX < nr_vnodes || *p != '\0') {
sd_err("Invalid number of vnodes '%s': must be "
"an integer between 1 and %u",
optarg, UINT16_MAX);
exit(1);
}
break;
case 'W':
wildcard_recovery = true;
break;
default:
usage(1);
break;
}
}
void logger::init(const config_tree& a_cfg, const sigset_t* a_ignore_signals,
bool a_install_finalizer)
{
if (m_initialized)
throw std::runtime_error("Logger already initialized!");
std::lock_guard<std::mutex> guard(m_mutex);
do_finalize();
try {
m_show_location = a_cfg.get<bool> ("logger.show-location", m_show_location);
m_show_fun_namespaces = a_cfg.get<int> ("logger.show-fun-namespaces",
m_show_fun_namespaces);
m_show_category = a_cfg.get<bool> ("logger.show-category", m_show_category);
m_show_ident = a_cfg.get<bool> ("logger.show-ident", m_show_ident);
m_show_thread = a_cfg.get<bool> ("logger.show-thread", m_show_thread);
m_fatal_kill_signal = a_cfg.get<int> ("logger.fatal-kill-signal",m_fatal_kill_signal);
m_ident = a_cfg.get<std::string>("logger.ident", m_ident);
m_ident = replace_macros(m_ident);
std::string ts = a_cfg.get<std::string>("logger.timestamp", "time-usec");
m_timestamp_type = parse_stamp_type(ts);
std::string levs = a_cfg.get<std::string>("logger.levels", "");
if (!levs.empty())
set_level_filter(static_cast<log_level>(parse_log_levels(levs)));
std::string ls = a_cfg.get<std::string>("logger.min-level-filter", "info");
if (!levs.empty() && !ls.empty())
std::runtime_error
("Either 'levels' or 'min-level-filter' option is permitted!");
set_min_level_filter(parse_log_level(ls));
long timeout_ms = a_cfg.get<int> ("logger.wait-timeout-ms", 1000);
m_wait_timeout = timespec{timeout_ms / 1000, timeout_ms % 1000 * 1000000L};
m_sched_yield_us = a_cfg.get<long> ("logger.sched-yield-us", -1);
m_silent_finish = a_cfg.get<bool> ("logger.silent-finish", false);
m_block_signals = a_cfg.get<bool> ("logger.block-signals", true);
if ((int)m_timestamp_type < 0)
throw std::runtime_error("Invalid timestamp type: " + ts);
// Install crash signal handlers
// (SIGABRT, SIGFPE, SIGILL, SIGSEGV, SIGTERM)
if (a_cfg.get("logger.handle-crash-signals", true)) {
sigset_t sset = sig_members_parse
(a_cfg.get("logger.handle-crash-signals.signals",""), UTXX_SRC);
// Remove signals from the sset that are handled externally
if (a_ignore_signals)
for (uint i=1; i < sig_names_count(); ++i)
if (sigismember(a_ignore_signals, i))
sigdelset(&sset, i);
if (install_sighandler(true, &sset)) {
auto old = m_crash_sigset.exchange(new sigset_t(sset));
if (!old)
delete old;
}
}
//logger_impl::msg_info info(NULL, 0);
//query_timestamp(info);
logger_impl_mgr& lim = logger_impl_mgr::instance();
std::lock_guard<std::mutex> guard(lim.mutex());
// Check the list of registered implementations. If corresponding
// configuration section is found, initialize the implementation.
for(logger_impl_mgr::impl_map_t::iterator it=lim.implementations().begin();
it != lim.implementations().end();
++it)
{
std::string path = std::string("logger.") + it->first;
if (a_cfg.get_child_optional(path)) {
// Determine if implementation of this type is already
// registered with the logger
bool found = false;
for(implementations_vector::iterator
im = m_implementations.begin(), iend = m_implementations.end();
im != iend; ++im)
if (it->first == (*im)->name()) {
found = true;
break;
}
if (found)
throw badarg_error("Implementation '", it->first,
"' is already registered with the logger!");
// A call to it->second() creates a logger_impl* pointer.
// We need to call implementation's init function that may throw,
// so use RAII to guarantee proper cleanup.
logger_impl_mgr::impl_callback_t& f = it->second;
m_implementations.emplace_back( f(it->first.c_str()) );
auto& i = m_implementations.back();
i->set_log_mgr(this);
i->init(a_cfg);
}
}
m_initialized = true;
m_abort = false;
m_thread.reset(new std::thread([this]() {
this->run();
}));
if (!m_finalizer_installed && a_install_finalizer) {
atexit(&finalize_logger_at_exit);
m_finalizer_installed = true;
}
} catch (std::runtime_error& e) {
if (m_error)
m_error(e.what());
else
throw;
}
}
/* the main program... */
int main(int argc, char *argv[])
{
int i;
sigset_t signalmask, oldmask;
#ifdef HAVE_PTHREAD_TIMEDJOIN_NP
struct timespec ts;
#endif /* HAVE_PTHREAD_TIMEDJOIN_NP */
/* close all file descriptors (except stdin/out/err) */
i = sysconf(_SC_OPEN_MAX) - 1;
/* if the system does not have OPEN_MAX just close the first 32 and
hope we closed enough */
if (i < 0)
i = 32;
for (; i > 3; i--)
close(i);
/* parse the command line */
parse_cmdline(argc, argv);
/* clean the environment */
#ifdef HAVE_CLEARENV
if (clearenv() || putenv("HOME=/") || putenv("TMPDIR=/tmp") ||
putenv("LDAPNOINIT=1"))
{
log_log(LOG_ERR, "clearing environment failed");
exit(EXIT_FAILURE);
}
#else /* not HAVE_CLEARENV */
/* this is a bit ugly */
environ = sane_environment;
#endif /* not HAVE_CLEARENV */
/* disable the nss_ldap module for this process */
disable_nss_ldap();
/* set LDAP log level */
if (myldap_set_debuglevel(nslcd_debugging) != LDAP_SUCCESS)
exit(EXIT_FAILURE);
/* read configuration file */
cfg_init(NSLCD_CONF_PATH);
/* set default mode for pidfile and socket */
(void)umask((mode_t)0022);
/* see if someone already locked the pidfile
if --check option was given exit TRUE if daemon runs
(pidfile locked), FALSE otherwise */
if (nslcd_checkonly)
{
if (is_locked(NSLCD_PIDFILE))
{
log_log(LOG_DEBUG, "pidfile (%s) is locked", NSLCD_PIDFILE);
exit(EXIT_SUCCESS);
}
else
{
log_log(LOG_DEBUG, "pidfile (%s) is not locked", NSLCD_PIDFILE);
exit(EXIT_FAILURE);
}
}
/* normal check for pidfile locked */
if (is_locked(NSLCD_PIDFILE))
{
log_log(LOG_ERR, "daemon may already be active, cannot acquire lock (%s): %s",
NSLCD_PIDFILE, strerror(errno));
exit(EXIT_FAILURE);
}
/* daemonize */
if ((!nslcd_debugging) && (!nslcd_nofork) && (daemon(0, 0) < 0))
{
log_log(LOG_ERR, "unable to daemonize: %s", strerror(errno));
exit(EXIT_FAILURE);
}
/* intilialize logging */
if (!nslcd_debugging)
log_startlogging();
log_log(LOG_INFO, "version %s starting", VERSION);
/* start subprocess to do invalidating if reconnect_invalidate is set */
for (i = 0; i < LM_NONE; i++)
if (nslcd_cfg->reconnect_invalidate[i])
break;
if (i < LM_NONE)
invalidator_start();
/* write pidfile */
create_pidfile(NSLCD_PIDFILE);
/* install handler to close stuff off on exit and log notice */
if (atexit(exithandler))
{
log_log(LOG_ERR, "atexit() failed: %s", strerror(errno));
exit(EXIT_FAILURE);
}
/* create socket */
nslcd_serversocket = create_socket(NSLCD_SOCKET);
if ((nslcd_cfg->gid != NOGID) && (nslcd_cfg->uidname != NULL))
{
#ifdef HAVE_INITGROUPS
/* load supplementary groups */
if (initgroups(nslcd_cfg->uidname, nslcd_cfg->gid) < 0)
log_log(LOG_WARNING, "cannot initgroups(\"%s\",%d) (ignored): %s",
nslcd_cfg->uidname, (int)nslcd_cfg->gid, strerror(errno));
else
log_log(LOG_DEBUG, "initgroups(\"%s\",%d) done",
nslcd_cfg->uidname, (int)nslcd_cfg->gid);
#else /* not HAVE_INITGROUPS */
#ifdef HAVE_SETGROUPS
/* just drop all supplemental groups */
if (setgroups(0, NULL) < 0)
log_log(LOG_WARNING, "cannot setgroups(0,NULL) (ignored): %s",
strerror(errno));
else
log_log(LOG_DEBUG, "setgroups(0,NULL) done");
#else /* not HAVE_SETGROUPS */
log_log(LOG_DEBUG, "neither initgroups() or setgroups() available");
#endif /* not HAVE_SETGROUPS */
#endif /* not HAVE_INITGROUPS */
}
/* change to nslcd gid */
if (nslcd_cfg->gid != NOGID)
{
if (setgid(nslcd_cfg->gid) != 0)
{
log_log(LOG_ERR, "cannot setgid(%d): %s",
(int)nslcd_cfg->gid, strerror(errno));
exit(EXIT_FAILURE);
}
log_log(LOG_DEBUG, "setgid(%d) done", (int)nslcd_cfg->gid);
}
/* change to nslcd uid */
if (nslcd_cfg->uid != NOUID)
{
if (setuid(nslcd_cfg->uid) != 0)
{
log_log(LOG_ERR, "cannot setuid(%d): %s",
(int)nslcd_cfg->uid, strerror(errno));
exit(EXIT_FAILURE);
}
log_log(LOG_DEBUG, "setuid(%d) done", (int)nslcd_cfg->uid);
}
/* block all these signals so our worker threads won't handle them */
sigemptyset(&signalmask);
sigaddset(&signalmask, SIGHUP);
sigaddset(&signalmask, SIGINT);
sigaddset(&signalmask, SIGQUIT);
sigaddset(&signalmask, SIGABRT);
sigaddset(&signalmask, SIGPIPE);
sigaddset(&signalmask, SIGTERM);
sigaddset(&signalmask, SIGUSR1);
sigaddset(&signalmask, SIGUSR2);
pthread_sigmask(SIG_BLOCK, &signalmask, &oldmask);
/* start worker threads */
log_log(LOG_INFO, "accepting connections");
nslcd_threads = (pthread_t *)malloc(nslcd_cfg->threads * sizeof(pthread_t));
if (nslcd_threads == NULL)
{
log_log(LOG_CRIT, "main(): malloc() failed to allocate memory");
exit(EXIT_FAILURE);
}
for (i = 0; i < nslcd_cfg->threads; i++)
{
if (pthread_create(&nslcd_threads[i], NULL, worker, NULL))
{
log_log(LOG_ERR, "unable to start worker thread %d: %s",
i, strerror(errno));
exit(EXIT_FAILURE);
}
}
pthread_sigmask(SIG_SETMASK, &oldmask, NULL);
/* install signalhandlers for some signals */
install_sighandler(SIGHUP, sig_handler);
install_sighandler(SIGINT, sig_handler);
install_sighandler(SIGQUIT, sig_handler);
install_sighandler(SIGABRT, sig_handler);
install_sighandler(SIGPIPE, SIG_IGN);
install_sighandler(SIGTERM, sig_handler);
install_sighandler(SIGUSR1, sig_handler);
install_sighandler(SIGUSR2, SIG_IGN);
/* wait until we received a signal */
while ((nslcd_receivedsignal == 0) || (nslcd_receivedsignal == SIGUSR1))
{
sleep(INT_MAX); /* sleep as long as we can or until we receive a signal */
if (nslcd_receivedsignal == SIGUSR1)
{
log_log(LOG_INFO, "caught signal %s (%d), refresh retries",
signame(nslcd_receivedsignal), nslcd_receivedsignal);
myldap_immediate_reconnect();
nslcd_receivedsignal = 0;
}
}
/* print something about received signal */
log_log(LOG_INFO, "caught signal %s (%d), shutting down",
signame(nslcd_receivedsignal), nslcd_receivedsignal);
/* cancel all running threads */
for (i = 0; i < nslcd_cfg->threads; i++)
if (pthread_cancel(nslcd_threads[i]))
log_log(LOG_WARNING, "failed to stop thread %d (ignored): %s",
i, strerror(errno));
/* close server socket to trigger failures in threads waiting on accept() */
close(nslcd_serversocket);
nslcd_serversocket = -1;
/* if we can, wait a few seconds for the threads to finish */
#ifdef HAVE_PTHREAD_TIMEDJOIN_NP
ts.tv_sec = time(NULL) + 3;
ts.tv_nsec = 0;
#endif /* HAVE_PTHREAD_TIMEDJOIN_NP */
for (i = 0; i < nslcd_cfg->threads; i++)
{
#ifdef HAVE_PTHREAD_TIMEDJOIN_NP
pthread_timedjoin_np(nslcd_threads[i], NULL, &ts);
#endif /* HAVE_PTHREAD_TIMEDJOIN_NP */
if (pthread_kill(nslcd_threads[i], 0) == 0)
log_log(LOG_ERR, "thread %d is still running, shutting down anyway", i);
}
/* we're done */
return EXIT_FAILURE;
}
int main(int argc, char **argv)
{
int ch, longindex, ret, port = SD_LISTEN_PORT, io_port = SD_LISTEN_PORT;
int log_level = SDOG_INFO, nr_vnodes = SD_DEFAULT_VNODES;
const char *dirp = DEFAULT_OBJECT_DIR, *short_options;
char *dir, *p, *pid_file = NULL, *bindaddr = NULL, path[PATH_MAX],
*argp = NULL, *logdir = NULL;
bool is_daemon = true, to_stdout = false, explicit_addr = false;
int64_t zone = -1;
struct cluster_driver *cdrv;
struct option *long_options;
const char *log_format = "server", *http_address = NULL;
static struct logger_user_info sheep_info;
install_crash_handler(crash_handler);
signal(SIGPIPE, SIG_IGN);
install_sighandler(SIGHUP, sighup_handler, false);
long_options = build_long_options(sheep_options);
short_options = build_short_options(sheep_options);
while ((ch = getopt_long(argc, argv, short_options, long_options,
&longindex)) >= 0) {
switch (ch) {
case 'p':
port = strtol(optarg, &p, 10);
if (optarg == p || port < 1 || UINT16_MAX < port
|| *p != '\0') {
sd_err("Invalid port number '%s'", optarg);
exit(1);
}
break;
case 'P':
pid_file = optarg;
break;
case 'r':
http_address = optarg;
break;
case 'f':
is_daemon = false;
break;
case 'l':
log_level = strtol(optarg, &p, 10);
if (optarg == p || log_level < SDOG_EMERG ||
SDOG_DEBUG < log_level || *p != '\0') {
sd_err("Invalid log level '%s'", optarg);
sdlog_help();
exit(1);
}
break;
case 'L':
logdir = realpath(optarg, NULL);
if (!logdir) {
sd_err("%m");
exit(1);
}
break;
case 'n':
sys->nosync = true;
break;
case 'y':
if (!str_to_addr(optarg, sys->this_node.nid.addr)) {
sd_err("Invalid address: '%s'", optarg);
exit(1);
}
explicit_addr = true;
break;
case 'd':
/* removed soon. use loglevel instead */
log_level = SDOG_DEBUG;
break;
case 'D':
sys->backend_dio = true;
break;
case 'g':
/* same as '-v 0' */
//printf("wyh\n");
nr_vnodes = 0;
//nr_vnodes = 5;
break;
case 'o':
to_stdout = true;
break;
case 'z':
zone = strtol(optarg, &p, 10);
if (optarg == p || zone < 0 || UINT32_MAX < zone
|| *p != '\0') {
sd_err("Invalid zone id '%s': must be "
"an integer between 0 and %u", optarg,
UINT32_MAX);
exit(1);
}
sys->this_node.zone = zone;
break;
case 'u':
sys->upgrade = true;
break;
case 'c':
sys->cdrv = find_cdrv(optarg);
if (!sys->cdrv) {
sd_err("Invalid cluster driver '%s'", optarg);
fprintf(stderr, "Supported drivers:");
FOR_EACH_CLUSTER_DRIVER(cdrv) {
fprintf(stderr, " %s", cdrv->name);
}
fprintf(stderr, "\n");
exit(1);
}
sys->cdrv_option = get_cdrv_option(sys->cdrv, optarg);
break;
case 'w':
object_cache_set(optarg);
break;
case 'i':
parse_arg(optarg, ",", init_io_arg);
if (!str_to_addr(io_addr, sys->this_node.nid.io_addr)) {
sd_err("Bad addr: '%s'", io_addr);
exit(1);
}
if (io_pt)
if (sscanf(io_pt, "%u", &io_port) != 1) {
sd_err("Bad port '%s'", io_pt);
exit(1);
}
sys->this_node.nid.io_port = io_port;
break;
case 'j':
uatomic_set_true(&sys->use_journal);
parse_arg(optarg, ",", init_journal_arg);
if (!jsize) {
sd_err("you must specify size for journal");
exit(1);
}
break;
case 'b':
if (!inetaddr_is_valid(optarg))
exit(1);
bindaddr = optarg;
break;
case 'h':
usage(0);
break;
case 'v':
fprintf(stdout, "Sheepdog daemon version %s\n",
PACKAGE_VERSION);
exit(0);
break;
case 'F':
log_format = optarg;
break;
default:
usage(1);
break;
}
}
/*
* Many operating systems allow signals to be sent to running
* processes. Some signals have a defined effect on the process, while
* others may be trapped at the code level and acted upon. For
* example, your process may trap the USR1 signal and use it to toggle
* debugging, and may use TERM to initiate a controlled shutdown.
*
* pid = fork do
* Signal.trap("USR1") do
* $debug = !$debug
* puts "Debug now: #$debug"
* end
* Signal.trap("TERM") do
* puts "Terminating..."
* shutdown()
* end
* # . . . do some work . . .
* end
*
* Process.detach(pid)
*
* # Controlling program:
* Process.kill("USR1", pid)
* # ...
* Process.kill("USR1", pid)
* # ...
* Process.kill("TERM", pid)
*
* produces:
* Debug now: true
* Debug now: false
* Terminating...
*
* The list of available signal names and their interpretation is
* system dependent. Signal delivery semantics may also vary between
* systems; in particular signal delivery may not always be reliable.
*/
void
Init_signal(void)
{
VALUE mSignal = rb_define_module("Signal");
rb_define_global_function("trap", sig_trap, -1);
rb_define_module_function(mSignal, "trap", sig_trap, -1);
rb_define_module_function(mSignal, "list", sig_list, 0);
rb_define_module_function(mSignal, "signame", sig_signame, 1);
rb_define_method(rb_eSignal, "initialize", esignal_init, -1);
rb_define_method(rb_eSignal, "signo", esignal_signo, 0);
rb_alias(rb_eSignal, rb_intern_const("signm"), rb_intern_const("message"));
rb_define_method(rb_eInterrupt, "initialize", interrupt_init, -1);
/* At this time, there is no subthread. Then sigmask guarantee atomics. */
rb_disable_interrupt();
install_sighandler(SIGINT, sighandler);
#ifdef SIGHUP
install_sighandler(SIGHUP, sighandler);
#endif
#ifdef SIGQUIT
install_sighandler(SIGQUIT, sighandler);
#endif
#ifdef SIGTERM
install_sighandler(SIGTERM, sighandler);
#endif
#ifdef SIGALRM
install_sighandler(SIGALRM, sighandler);
#endif
#ifdef SIGUSR1
install_sighandler(SIGUSR1, sighandler);
#endif
#ifdef SIGUSR2
install_sighandler(SIGUSR2, sighandler);
#endif
if (!ruby_enable_coredump) {
#ifdef SIGBUS
install_sighandler(SIGBUS, (sighandler_t)sigbus);
#endif
#ifdef SIGILL
install_sighandler(SIGILL, (sighandler_t)sigill);
#endif
#ifdef SIGSEGV
# ifdef USE_SIGALTSTACK
rb_register_sigaltstack(GET_THREAD());
# endif
install_sighandler(SIGSEGV, (sighandler_t)sigsegv);
#endif
}
#ifdef SIGPIPE
install_sighandler(SIGPIPE, SIG_IGN);
#endif
#if defined(SIGCLD)
init_sigchld(SIGCLD);
#elif defined(SIGCHLD)
init_sigchld(SIGCHLD);
#endif
rb_enable_interrupt();
}
void xskin_start_interface( int pipe_in ) {
int xskin_sc;
XEvent xskin_e;
XSetWindowAttributes xskin_attr;
XSizeHints xskin_hint;
XClassHint xskin_chint;
XTextProperty ct;
char *namlist[2];
/* setup window */
xskin_d = XOpenDisplay( NULL );
xskin_sc = DefaultScreen( xskin_d );
xskin_r = RootWindow( xskin_d, xskin_sc );
xskin_gc = DefaultGC( xskin_d, xskin_sc );
xskin_vis = DefaultVisual( xskin_d, xskin_sc );
xskin_depth = DefaultDepth( xskin_d, xskin_sc );
xskin_w = XCreateSimpleWindow( xskin_d, xskin_r, 0, 0,
skin_width, skin_height, 0,
WhitePixel( xskin_d, xskin_sc ),
BlackPixel( xskin_d, xskin_sc ) );
xskin_attr.backing_store = True;
xskin_attr.override_redirect = False;
XChangeWindowAttributes( xskin_d, xskin_w,
CWBackingStore|CWOverrideRedirect, &xskin_attr );
XSelectInput( xskin_d, xskin_w,
KeyPressMask|ExposureMask|
EnterWindowMask|LeaveWindowMask|
ButtonPressMask|ButtonReleaseMask|
Button1MotionMask );
xskin_hint.flags = USSize | PMinSize | PMaxSize | USPosition;
xskin_hint.width = xskin_hint.min_width = xskin_hint.max_width
= skin_width;
xskin_hint.height = xskin_hint.min_height = xskin_hint.max_height
= skin_height;
XSetNormalHints( xskin_d, xskin_w, &xskin_hint );
xskin_chint.res_name = XSKIN_RES_NAME;
xskin_chint.res_class = XSKIN_RES_CLASS;
XSetClassHint( xskin_d, xskin_w, &xskin_chint );
namlist[0]=(char *)safe_malloc(strlen(XSKIN_WINDOW_NAME)+1);
strcpy( namlist[0], XSKIN_WINDOW_NAME );
XmbTextListToTextProperty( xskin_d, namlist, 1, XCompoundTextStyle, &ct );
XSetWMName( xskin_d, xskin_w, &ct );
XSetWMIconName( xskin_d, xskin_w, &ct );
free(namlist[0]);
/* setup pixmaps */
if ( load_skins()!=0 ) goto finish;
XSetWindowBackgroundPixmap( xskin_d, xskin_w, xskin_back );
XClearWindow( xskin_d, xskin_w );
XMapWindow( xskin_d, xskin_w );
while( 1 ) {
XNextEvent( xskin_d, &xskin_e );
if ( xskin_e.type == Expose ) break;
}
fshuf=0;
frep=0;
fequ=1;
fpll=1;
fplay=0;
fpause=0;
fremain=0;
play_val=1;
vol_val=50;
last_current_time=0;
total_time=0;
speana_buf = NULL;
strcpy( last_text, "welcome to timidity" );
install_sighandler();
repaint();
ts_spectrum( -1, speana_buf );
XFlush(xskin_d);
xskin_jobs( pipe_in ); /* tskin main jobs */
finish:
signal_vector(0); /* finish */
}
int
main(int argc, char **argv)
{
isns_server_t *server;
isns_source_t *source;
isns_db_t *db;
int c;
#ifdef MTRACE
mtrace();
#endif
while ((c = getopt_long(argc, argv, "46c:d:Efhr:", options, NULL)) != -1) {
switch (c) {
case '4':
opt_af = AF_INET;
break;
case '6':
opt_af = AF_INET6;
break;
case 'c':
opt_configfile = optarg;
break;
case 'd':
isns_enable_debugging(optarg);
break;
case 'E':
opt_esi = 0;
break;
case 'f':
opt_foreground = 1;
break;
case 'h':
usage(0, NULL);
case 'r':
if (!strcasecmp(optarg, "initiator"))
opt_role = ROLE_INITIATOR;
else
if (!strcasecmp(optarg, "control")
|| !strcasecmp(optarg, "monitor"))
opt_role = ROLE_MONITOR;
else {
isns_error("Unknown role \"%s\"\n", optarg);
usage(1, NULL);
}
break;
case 'V':
printf("Open-iSNS version %s\n"
"Copyright (C) 2007, Olaf Kirch <*****@*****.**>\n",
OPENISNS_VERSION_STRING);
return 0;
default:
usage(1, "Unknown option");
}
}
if (optind != argc)
usage(1, NULL);
/* If the config code derives the source name
* automatically, we want it to be distinct from
* any other source name (chosen by eg the iSCSI
* initiator). Adding a suffix of ":isns" is a
* somewhat lame attempt.
*/
isns_config.ic_source_suffix = "isns";
isns_read_config(opt_configfile);
if (!isns_config.ic_source_name)
usage(1, "Please specify an iSNS source name");
source = isns_source_create_iscsi(isns_config.ic_source_name);
isns_write_pidfile(isns_config.ic_pidfile);
if (!opt_foreground) {
if (daemon(0, 0) < 0)
isns_fatal("Unable to background server process\n");
isns_log_background();
isns_update_pidfile(isns_config.ic_pidfile);
}
install_sighandler(SIGTERM, sig_cleanup);
install_sighandler(SIGINT, sig_cleanup);
install_sighandler(SIGUSR2, sig_reread);
/* Create a DB object that shadows our portal list. This is for ESI -
* when an ESI comes in, the library will look up the portal in this
* database, and update its mtime. By checking the mtime at regular
* intervals, we can verify whether the server's ESIs actually
* reach us.
*/
db = isns_db_open_shadow(&local_portals);
server = isns_create_server(source, db, &isns_callback_service_ops);
isns_server_set_scn_callback(server, scn_callback);
run_discovery(server);
return 0;
}
