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core/killall: Log the process names not killed after 10s

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This commit is contained in:
Benjamin Robin 2019-04-06 18:40:44 +02:00
parent 827156b330
commit 2c32f4f47d
1 changed files with 37 additions and 3 deletions
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38
src/core/killall.c
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@ -77,8 +77,28 @@ static bool ignore_proc(pid_t pid, bool warn_rootfs) {
return true;
}
static void log_children_no_yet_killed(Set *pids) {
void *p;
Iterator i;
_cleanup_free_ char *lst_child = NULL;
SET_FOREACH(p, pids, i) {
_cleanup_free_ char *s = NULL;
if (get_process_comm(PTR_TO_PID(p), &s) == 0) {
if (!strextend(&lst_child, ", ", s, NULL))
break;
}
}
if (!isempty(lst_child))
log_notice("Waiting for process:%s", lst_child + 1);
}
static int wait_for_children(Set *pids, sigset_t *mask, usec_t timeout) {
usec_t until;
usec_t date_log_child;
usec_t n;
assert(mask);
@ -88,11 +108,15 @@ static int wait_for_children(Set *pids, sigset_t *mask, usec_t timeout) {
if (set_isempty(pids))
return 0;
until = now(CLOCK_MONOTONIC) + timeout;
n = now(CLOCK_MONOTONIC);
until = usec_add(n, timeout);
date_log_child = usec_add(n, 10u * USEC_PER_SEC);
if (date_log_child > until)
date_log_child = usec_add(n, timeout / 2u);
for (;;) {
struct timespec ts;
int k;
usec_t n;
void *p;
Iterator i;
@ -135,10 +159,20 @@ static int wait_for_children(Set *pids, sigset_t *mask, usec_t timeout) {
return 0;
n = now(CLOCK_MONOTONIC);
if (date_log_child > 0 && n >= date_log_child) {
log_children_no_yet_killed(pids);
/* Log the children not yet killed only once */
date_log_child = 0;
}
if (n >= until)
return set_size(pids);
if (date_log_child > 0)
timespec_store(&ts, MIN(until - n, date_log_child - n));
else
timespec_store(&ts, until - n);
k = sigtimedwait(mask, NULL, &ts);
if (k != SIGCHLD) {