GOSTSec/sgminer
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Code Issues Releases Wiki Activity

Implement signal handler and clean up properly.

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This commit is contained in:
Con Kolivas 2011-07-14 11:03:14 +10:00
parent 02cd113cd9
commit 20b3e07f63
1 changed files with 66 additions and 15 deletions
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81
main.c
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@ -24,6 +24,7 @@
#include <math.h>
#include <stdarg.h>
#include <assert.h>
#include <signal.h>
#ifndef WIN32
#include <sys/resource.h>
#endif
@ -153,6 +154,7 @@ struct thr_info *thr_info;
static int work_thr_id;
int longpoll_thr_id;
static int stage_thr_id;
static int watchdog_thr_id;
struct work_restart *work_restart = NULL;
static pthread_mutex_t hash_lock;
static pthread_mutex_t qd_lock;
@ -732,8 +734,29 @@ static void workio_cmd_free(struct workio_cmd *wc)
static void kill_work(void)
{
struct workio_cmd *wc;
struct thr_info *thr;
unsigned int i;
applog(LOG_INFO, "Received kill message");
/* Kill the watchdog thread */
thr = &thr_info[watchdog_thr_id];
pthread_cancel(thr->pth);
/* Stop the mining threads*/
for (i = 0; i < mining_threads; i++) {
thr = &thr_info[i];
tq_freeze(thr->q);
/* No need to check if this succeeds or not */
pthread_cancel(thr->pth);
}
/* Stop the others */
thr = &thr_info[stage_thr_id];
pthread_cancel(thr->pth);
thr = &thr_info[longpoll_thr_id];
pthread_cancel(thr->pth);
wc = calloc(1, sizeof(*wc));
if (unlikely(!wc)) {
applog(LOG_ERR, "Failed to calloc wc in kill_work");
@ -748,6 +771,34 @@ static void kill_work(void)
applog(LOG_ERR, "Failed to tq_push work in kill_work");
exit (1);
}
}
static void shutdown_cleanup(void)
{
curl_global_cleanup();
if (gpu_threads) {
gpu_threads = 0;
free(gpus);
}
if (opt_n_threads) {
opt_n_threads = 0;
free(cpus);
}
if (curses_active) {
delwin(logwin);
delwin(statuswin);
delwin(mainwin);
endwin();
refresh();
curses_active = false;
}
}
static void sighandler(int sig)
{
kill_work();
}
static void *get_work_thread(void *userdata)
@ -892,6 +943,8 @@ static void *stage_thread(void *userdata)
struct thr_info *mythr = userdata;
bool ok = true;
pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL);
while (ok) {
struct work *work = NULL;
char *hexstr;
@ -1658,6 +1711,8 @@ static void *longpoll_thread(void *userdata)
bool need_slash = false;
int failures = 0;
pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL);
hdr_path = tq_pop(mythr->q, NULL);
if (!hdr_path)
goto out;
@ -1831,6 +1886,8 @@ static void *watchdog_thread(void *userdata)
const unsigned int interval = opt_log_interval / 2 ? : 1;
struct timeval zero_tv;
pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL);
memset(&zero_tv, 0, sizeof(struct timeval));
while (1) {
@ -1880,8 +1937,9 @@ static void *watchdog_thread(void *userdata)
int main (int argc, char *argv[])
{
struct thr_info *thr;
unsigned int i, j = 0, x, y;
struct sigaction handler;
struct thr_info *thr;
char name[256];
if (unlikely(pthread_mutex_init(&hash_lock, NULL)))
@ -1893,13 +1951,16 @@ int main (int argc, char *argv[])
if (unlikely(pthread_mutex_init(&curses_lock, NULL)))
return 1;
handler.sa_handler = &sighandler;
sigaction(SIGTERM, &handler, 0);
sigaction(SIGINT, &handler, 0);
for (i = 0; i < 36; i++) {
strcat(blank, "0");
strcat(current_block, "0");
strcat(longpoll_block, "0");
}
#ifdef WIN32
opt_n_threads = num_processors = 1;
#else
@ -2122,7 +2183,8 @@ int main (int argc, char *argv[])
opt_n_threads,
algo_names[opt_algo]);
thr = &thr_info[mining_threads + 2];
watchdog_thr_id = mining_threads + 2;
thr = &thr_info[watchdog_thr_id];
/* start wakeup thread */
if (pthread_create(&thr->pth, NULL, watchdog_thread, NULL)) {
applog(LOG_ERR, "wakeup thread create failed");
@ -2161,20 +2223,9 @@ int main (int argc, char *argv[])
/* main loop - simply wait for workio thread to exit */
pthread_join(thr_info[work_thr_id].pth, NULL);
curl_global_cleanup();
if (gpu_threads)
free(gpus);
if (opt_n_threads)
free(cpus);
applog(LOG_INFO, "workio thread dead, exiting.");
if (curses_active) {
delwin(logwin);
delwin(statuswin);
endwin();
refresh();
}
shutdown_cleanup();
return 0;
}