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/* <rdar://problem/25158037> [N56 14A207] BTServer crash during BT off/on in Watchdog_TimerSettings
* verify that closing the kqueue fd causes select/poll/kevent to return
*/
#include <assert.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <unistd.h>
#include <pthread.h>
#include <sys/event.h>
#include <darwintest.h>
#include "skywalk_test_driver.h"
#include "skywalk_test_common.h"
static int kq;
static void *
threadk(void *unused)
{
struct kevent kev, refkev;
int error;
T_LOG("entering kevent in thread\n");
memset(&kev, 0, sizeof(kev));
refkev = kev;
error = kevent(kq, NULL, 0, &kev, 1, NULL);
SKTC_ASSERT_ERR(error == -1);
SKTC_ASSERT_ERR(errno == EBADF || errno == EINTR);
assert(!memcmp(&kev, &refkev, sizeof(refkev)));
T_LOG("exiting thread\n");
return NULL;
}
static int
skt_closekq_main_common(int argc, char *argv[], void * (*threadfunc)(void *unused))
{
int error;
pthread_t thread;
kq = kqueue();
assert(kq != -1);
error = pthread_create(&thread, NULL, threadfunc, NULL);
SKTC_ASSERT_ERR(!error);
error = usleep(1000); // to make sure thread gets into select/poll/kevent
SKTC_ASSERT_ERR(!error);
T_LOG("closing kqueue in main\n");
error = close(kq);
SKTC_ASSERT_ERR(!error);
T_LOG("joining thread in main\n");
error = pthread_join(thread, NULL);
SKTC_ASSERT_ERR(!error);
T_LOG("exiting main\n");
return 0;
}
static int
skt_closekqk_main(int argc, char *argv[])
{
return skt_closekq_main_common(argc, argv, threadk);
}
struct skywalk_test skt_closekqk = {
"closekqk", "test closing kqueue in kqueue",
0, skt_closekqk_main, { NULL }, NULL, NULL,
};
/****************************************************************/