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lib/drmtest: clean up children in an exit handler

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Also be a bit more careful with killing them in general.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2013-09-11 14:29:00 +02:00
parent 1978aecf1d
commit 9fb316a6db
1 changed files with 23 additions and 3 deletions
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26
lib/drmtest.c
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@ -967,8 +967,10 @@ static void fork_helper_exit_handler(int sig)
/* Someone forgot to fill up the array? */
assert(pid != 0);
kill(pid, SIGQUIT);
waitpid(pid, &status, 0);
assert(kill(pid, SIGQUIT) == 0);
while (waitpid(pid, &status, 0) == -1 &&
errno == -EINTR)
;
helper_process_count--;
}
}
@ -1023,7 +1025,7 @@ void igt_stop_helper(struct igt_helper_process *proc)
assert(proc->running);
kill(proc->pid, SIGQUIT);
assert(kill(proc->pid, SIGQUIT) == 0);
waitpid(proc->pid, &status, 0);
proc->running = false;
@ -1032,11 +1034,29 @@ void igt_stop_helper(struct igt_helper_process *proc)
helper_process_count--;
}
static void children_exit_handler(int sig)
{
assert(!test_child);
for (int nc = 0; nc < num_test_children; nc++) {
int status = -1;
assert(kill(test_children[nc], SIGQUIT) == 0);
while (waitpid(test_children[nc], &status, 0) == -1 &&
errno == -EINTR)
;
}
num_test_children = 0;
}
bool __igt_fork(void)
{
assert(!test_with_subtests || in_subtest);
assert(!test_child);
igt_install_exit_handler(children_exit_handler);
if (num_test_children >= test_children_sz) {
if (!test_children_sz)
test_children_sz = 4;