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#include "uwsgi.h"
/*
uWSGI timebomb
this is a simple thread waiting for a timeout and calling exit
with the specified value.
You can use it as a last resort in async apps that could block
normal uWSGI behaviours
*/
struct time_bomb {
int timeout;
int exit_code;
};
static void *time_bomb(void *arg) {
// block all signals
sigset_t smask;
sigfillset(&smask);
pthread_sigmask(SIG_BLOCK, &smask, NULL);
struct time_bomb *tb = (struct time_bomb *) arg;
struct timeval tv;
tv.tv_sec = tb->timeout;
tv.tv_usec = 0;
select(0, NULL, NULL, NULL, &tv);
uwsgi_log_verbose("*** BOOOOOOM ***\n");
exit(tb->exit_code);
}
void uwsgi_time_bomb(int timeout, int exit_code) {
pthread_t time_bomb_thread;
struct time_bomb *tb = uwsgi_malloc(sizeof(struct time_bomb));
tb->timeout = timeout;
tb->exit_code = exit_code;
if (pthread_create(&time_bomb_thread, NULL, time_bomb, (void *) tb)) {
uwsgi_error("pthread_create()");
uwsgi_log("unable to setup the time bomb, goodbye\n");
exit(exit_code);
}
else {
uwsgi_log_verbose("Fire in the hole !!! (%d seconds to detonation)\n", timeout);
}
}
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