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Code Issues Releases Activity

add support for exteral refresh via SIGUSR2 (#268)

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sl33k 2018-01-19 15:08:55 +01:00 committed by Brenden Matthews
parent a34663f844
commit e219a0f2d4
1 changed files with 20 additions and 1 deletions
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21
src/conky.cc
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@ -200,7 +200,7 @@ int top_io;
#endif #endif
int top_running; int top_running;
static conky::simple_config_setting<bool> extra_newline("extra_newline", false, false); static conky::simple_config_setting<bool> extra_newline("extra_newline", false, false);
static volatile sig_atomic_t g_sigterm_pending, g_sighup_pending; static volatile sig_atomic_t g_sigterm_pending, g_sighup_pending,g_sigusr2_pending;
/* Update interval */ /* Update interval */
conky::range_config_setting<double> update_interval("update_interval", 0.0, conky::range_config_setting<double> update_interval("update_interval", 0.0,
@ -2447,8 +2447,23 @@ static void main_loop(void)
if (g_sighup_pending) { if (g_sighup_pending) {
g_sighup_pending = false; g_sighup_pending = false;
NORM_ERR("received SIGHUP or SIGUSR1. reloading the config file."); NORM_ERR("received SIGHUP or SIGUSR1. reloading the config file.");
reload_config(); reload_config();
} }
if(g_sigusr2_pending){
g_sigusr2_pending = false;
// refresh view;
NORM_ERR("recieved SIGUSR2. refreshing.");
update_text();
draw_stuff();
#ifdef BUILD_NCURSES
if(out_to_ncurses.get(*state)) {
refresh();
clear();
}
#endif
}
if (g_sigterm_pending) { if (g_sigterm_pending) {
g_sigterm_pending = false; g_sigterm_pending = false;
@ -3060,6 +3075,7 @@ void initialisation(int argc, char **argv) {
if ( sigaction(SIGINT, &act, &oact) < 0 if ( sigaction(SIGINT, &act, &oact) < 0
|| sigaction(SIGALRM, &act, &oact) < 0 || sigaction(SIGALRM, &act, &oact) < 0
|| sigaction(SIGUSR1, &act, &oact) < 0 || sigaction(SIGUSR1, &act, &oact) < 0
|| sigaction(SIGUSR2, &act, &oact) < 0
|| sigaction(SIGHUP, &act, &oact) < 0 || sigaction(SIGHUP, &act, &oact) < 0
|| sigaction(SIGTERM, &act, &oact) < 0) { || sigaction(SIGTERM, &act, &oact) < 0) {
NORM_ERR("error setting signal handler: %s", strerror(errno)); NORM_ERR("error setting signal handler: %s", strerror(errno));
@ -3079,6 +3095,7 @@ int main(int argc, char **argv)
argv_copy = argv; argv_copy = argv;
g_sigterm_pending = false; g_sigterm_pending = false;
g_sighup_pending = false; g_sighup_pending = false;
g_sigusr2_pending = false;
#ifdef BUILD_CURL #ifdef BUILD_CURL
struct curl_global_initializer { struct curl_global_initializer {
@ -3206,6 +3223,8 @@ static void signal_handler(int sig)
case SIGUSR1: case SIGUSR1:
g_sighup_pending = true; g_sighup_pending = true;
break; break;
case SIGUSR2:
g_sigusr2_pending = true;
default: default:
/* Reaching here means someone set a signal /* Reaching here means someone set a signal
* (SIGXXXX, signal_handler), but didn't write any code * (SIGXXXX, signal_handler), but didn't write any code