Systemd/src/test/test-procfs-util.c

39 lines
1008 B
C

/* SPDX-License-Identifier: LGPL-2.1+ */
#include <errno.h>
#include "log.h"
#include "procfs-util.h"
int main(int argc, char *argv[]) {
uint64_t v;
int r;
log_parse_environment();
log_open();
assert_se(procfs_tasks_get_current(&v) >= 0);
log_info("Current number of tasks: %" PRIu64, v);
assert_se(procfs_tasks_get_limit(&v) >= 0);
log_info("Limit of tasks: %" PRIu64, v);
assert_se(v > 0);
assert_se(procfs_tasks_set_limit(v) >= 0);
if (v > 100) {
uint64_t w;
r = procfs_tasks_set_limit(v-1);
assert_se(IN_SET(r, 0, -EPERM, -EACCES, -EROFS));
assert_se(procfs_tasks_get_limit(&w) >= 0);
assert_se((r == 0 && w == v - 1) || (r < 0 && w == v));
assert_se(procfs_tasks_set_limit(v) >= 0);
assert_se(procfs_tasks_get_limit(&w) >= 0);
assert_se(v == w);
}
return 0;
}