int wproc_destroy(worker_process *wp, int flags)
{
int i = 0, destroyed = 0, force = 0, sd, self;
if (!wp)
return 0;
force = !!(flags & WPROC_FORCE);
self = getpid();
/* master retains workers through restarts */
if (self == nagios_pid && !force)
return 0;
/* free all memory when either forcing or a worker called us */
iocache_destroy(wp->ioc);
wp->ioc = NULL;
if (wp->jobs) {
for (i = 0; i < wp->max_jobs; i++) {
if (!wp->jobs[i])
continue;
destroy_job(wp, wp->jobs[i]);
/* we can (often) break out early */
if (++destroyed >= wp->jobs_running)
break;
}
/* this triggers a double-free() for some reason */
/* free(wp->jobs); */
wp->jobs = NULL;
}
sd = wp->sd;
free(wp);
/* workers must never control other workers, so they return early */
if (self != nagios_pid)
return 0;
/* kill(0, SIGKILL) equals suicide, so we avoid it */
if (wp->pid) {
kill(wp->pid, SIGKILL);
}
iobroker_close(nagios_iobs, sd);
/* reap our possibly lost children */
while (waitpid(-1, &i, WNOHANG) > 0)
; /* do nothing */
return 0;
}
static int test_delimiter(const char *delim, unsigned int delim_len)
{
struct strcode sc[] = {
ADDSTR("Charlie Chaplin"),
ADDSTR("Madonna Something something"),
ADDSTR("Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla turpis augue, laoreet eleifend ultricies et, tincidunt non felis. Suspendisse vitae accumsan dolor. Vivamus posuere venenatis dictum. Integer hendrerit est eget turpis scelerisque porttitor. Donec ullamcorper sodales purus, sed bibendum odio porttitor sit amet. Donec pretium sem ac sapien iaculis feugiat. Quisque commodo consequat quam, ac cursus est sodales euismod. Sed nec massa felis, sit amet varius dui. Morbi fermentum varius tellus, eget tempus felis imperdiet quis. Praesent congue auctor ligula, a tempor ipsum malesuada at. Proin pharetra tempor adipiscing. Aenean egestas tellus vitae arcu sagittis non ultrices turpis cursus."),
ADDSTR("Emma Blomqvist"),
ADDSTR("Random message"),
ADDSTR("Random\0message\0with\0nuls\0embedded"),
{ NULL, 0, },
};
int i;
iocache *ioc;
ioc = iocache_create(512 * 1024);
if (!test(ioc != NULL, "iocache_create must work"))
crash("can't test with no available memory");
for (i = 0; sc[i].str; i++) {
memcpy(&ioc->ioc_buf[ioc->ioc_buflen], sc[i].str, sc[i].len);
ioc->ioc_buflen += sc[i].len;
memcpy(ioc->ioc_buf + ioc->ioc_buflen, delim, delim_len);
ioc->ioc_buflen += delim_len;
}
for (i = 0; sc[i].str; i++) {
char *ptr;
unsigned long len;
int error = 0;
ptr = iocache_use_delim(ioc, delim, delim_len, &len);
t_req(ptr != NULL);
if (!ptr) {
printf("Null pointer. What weird shit is this??\n");
exit(1);
}
test(len == sc[i].len, "len check, string %d, delim_len %d", i, delim_len);
test(!memcmp(ptr, sc[i].str, len), "memcmp() check, string %d, delim_len %d", i, delim_len);
if (error) {
printf("delim_len: %d. i: %d; len: %lu; sc[i].len: %d\n",
delim_len, i, len, sc[i].len);
printf("sc[i].str: %s\n", sc[i].str);
printf("ptr : %s\n", ptr);
printf("strlen(sc[i].str): %lu\n", strlen(sc[i].str));
printf("strlen(ptr) : %lu\n", strlen(ptr));
exit(1);
}
}
iocache_destroy(ioc);
return 0;
}
static int wproc_destroy(struct wproc_worker *wp, int flags)
{
int i = 0, force = 0, self;
if (!wp)
return 0;
force = !!(flags & WPROC_FORCE);
self = getpid();
/* master retains workers through restarts */
if (self == nagios_pid && !force)
return 0;
/* free all memory when either forcing or a worker called us */
iocache_destroy(wp->ioc);
wp->ioc = NULL;
my_free(wp->name);
fanout_destroy(wp->jobs, fo_destroy_job);
wp->jobs = NULL;
/* workers must never control other workers, so they return early */
if (self != nagios_pid)
return 0;
/* kill(0, SIGKILL) equals suicide, so we avoid it */
if (wp->pid) {
kill(wp->pid, SIGKILL);
}
iobroker_close(nagios_iobs, wp->sd);
/* reap our possibly lost children */
while (waitpid(-1, &i, WNOHANG) > 0)
; /* do nothing */
free(wp);
return 0;
}
