107 lines
2.5 KiB
C
107 lines
2.5 KiB
C
#define _GNU_SOURCE
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <pthread.h>
|
|
#include <errno.h>
|
|
#include <unistd.h>
|
|
#include <sys/syscall.h>
|
|
#include <sys/mman.h>
|
|
#include <unistd.h>
|
|
#include <sys/syscall.h> /* For SYS_xxx definitions */
|
|
#include <linux/futex.h>
|
|
#include <sys/time.h>
|
|
#include <string.h>
|
|
|
|
int passed, sem, flag;
|
|
pthread_t thr;
|
|
#define TS2NS(sec, nsec) ((unsigned long)(sec) * 1000000000ULL + (unsigned long)(nsec))
|
|
|
|
void *util_thread(void *arg) {
|
|
int rc;
|
|
struct timespec start, timeout, end;
|
|
unsigned long elapsed;
|
|
|
|
rc = syscall(732);
|
|
if (rc == -1)
|
|
fprintf(stderr, "CT20100 running on Linux CPU OK\n");
|
|
else {
|
|
fprintf(stderr, "CT20100 running on Linux CPU NG (%d)\n", rc);
|
|
}
|
|
|
|
passed = 1;
|
|
|
|
rc = clock_gettime(CLOCK_REALTIME, &start);
|
|
if (rc != 0) {
|
|
fprintf(stderr, "clock_gettime failed\n");
|
|
return NULL;
|
|
}
|
|
fprintf(stderr, "start=%ld.%09ld\n", start.tv_sec, start.tv_nsec);
|
|
|
|
timeout.tv_sec = 0;
|
|
timeout.tv_nsec = 800ULL * 1000 * 1000;
|
|
rc = syscall(__NR_futex, &sem, FUTEX_WAIT, 0, &timeout, NULL, 0);
|
|
|
|
rc = clock_gettime(CLOCK_REALTIME, &end);
|
|
if (rc != 0) {
|
|
fprintf(stderr, "clock_gettime failed\n");
|
|
return NULL;
|
|
}
|
|
fprintf(stderr, "end=%ld.%09ld\n", end.tv_sec, end.tv_nsec);
|
|
|
|
if (rc != 0) {
|
|
fprintf(stderr, "CT20101 FUTEX_WAIT NG (%s)\n", strerror(errno));
|
|
} else {
|
|
fprintf(stderr, "CT20101 FUTEX_WAIT OK\n");
|
|
}
|
|
|
|
elapsed = TS2NS(end.tv_sec, end.tv_nsec) - TS2NS(start.tv_sec, start.tv_nsec);
|
|
if (flag == 0 || elapsed < 800UL * 1000 * 1000 + 80UL * 1000 * 1000) {
|
|
fprintf(stderr, "CT20102 timeout OK\n");
|
|
} else {
|
|
fprintf(stderr, "CT20101 timeout NG\n");
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
int rc;
|
|
|
|
fprintf(stderr, "CT20001 futex START\n");
|
|
rc = syscall(731, 1, NULL);
|
|
if (rc) {
|
|
fprintf(stderr, "util_indicate_clone rc=%d, errno=%d\n", rc, errno);
|
|
fflush(stderr);
|
|
}
|
|
|
|
rc = pthread_create(&thr, NULL, util_thread, NULL);
|
|
if (rc){
|
|
fprintf(stderr, "pthread_create: %d\n", rc);
|
|
exit(1);
|
|
}
|
|
fprintf(stderr, "CT20002 pthread_create OK\n");
|
|
|
|
retry:
|
|
while (!passed) {
|
|
asm volatile("pause" ::: "memory");
|
|
}
|
|
usleep(2000 * 1000UL);
|
|
|
|
flag = 1;
|
|
rc = syscall(__NR_futex, &sem, FUTEX_WAKE, 1, NULL, NULL, 0);
|
|
if (rc != 0) {
|
|
fprintf(stderr, "CT20003 FUTEX_WAKE missing the waiter NG (%d,%s)\n", rc, strerror(errno));
|
|
} else {
|
|
fprintf(stderr, "CT20003 FUTEX_WAKE missing the waiter OK\n");
|
|
}
|
|
|
|
pthread_join(thr, NULL);
|
|
fprintf(stderr, "CT20004 pthread_join OK\n");
|
|
|
|
fprintf(stderr, "CT20005 END\n");
|
|
exit(0);
|
|
}
|