130 lines
2.9 KiB
C
130 lines
2.9 KiB
C
/* CT19.c COPYRIGHT FUJITSU LIMITED 2019 */
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#define _GNU_SOURCE
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <pthread.h>
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#include <errno.h>
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#include <unistd.h>
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#include <sys/syscall.h>
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#include <sys/mman.h>
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#include <unistd.h>
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#include <sys/syscall.h> /* For SYS_xxx definitions */
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#include <linux/futex.h>
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#include <sys/time.h>
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#include <string.h>
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#include "uti.h"
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int passed, sem, flag;
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pthread_t thr;
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#define TS2NS(sec, nsec) \
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((unsigned long)(sec) * 1000000000ULL + \
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(unsigned long)(nsec))
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void *util_thread(void *arg)
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{
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int rc;
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struct timespec start, timeout, end;
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unsigned long elapsed;
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rc = syscall(__NR_get_system);
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if (rc == -1) {
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fprintf(stderr, "CT19100 running on Linux CPU OK\n");
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}
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else {
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fprintf(stderr, "CT19100 running on Linux CPU NG (%d)\n", rc);
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}
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passed = 1;
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rc = clock_gettime(CLOCK_MONOTONIC, &start);
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if (rc != 0) {
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fprintf(stderr, "clock_gettime failed\n");
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return NULL;
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}
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fprintf(stderr, "start=%ld.%09ld\n", start.tv_sec, start.tv_nsec);
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timeout.tv_sec = start.tv_sec;
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timeout.tv_nsec = start.tv_nsec + 800UL * 1000 * 1000;
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if (timeout.tv_nsec > 1000UL * 1000 * 1000) {
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timeout.tv_sec += 1;
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timeout.tv_nsec -= 1000UL * 1000 * 1000;
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}
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/* timeout - clock_gettime(CLOCK_MONOTONIC) */
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rc = syscall(__NR_futex, &sem, FUTEX_WAIT_BITSET,
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0, &timeout, NULL, 0x12345678);
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fprintf(stderr, "op=%x\n", FUTEX_WAIT_BITSET);
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rc = clock_gettime(CLOCK_MONOTONIC, &end);
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if (rc != 0) {
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fprintf(stderr, "clock_gettime failed\n");
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return NULL;
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}
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fprintf(stderr, "end=%ld.%09ld\n", end.tv_sec, end.tv_nsec);
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if (rc != 0) {
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fprintf(stderr, "CT19101 FUTEX_WAIT NG (%s)\n",
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strerror(errno));
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}
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else {
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fprintf(stderr, "CT19101 FUTEX_WAIT OK\n");
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}
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elapsed = TS2NS(end.tv_sec, end.tv_nsec) -
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TS2NS(start.tv_sec, start.tv_nsec);
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if (flag == 0 || elapsed < 800UL * 1000 * 1000 +
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80UL * 1000 * 1000) {
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fprintf(stderr, "CT19102 timeout OK\n");
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}
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else {
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fprintf(stderr, "CT19101 timeout NG\n");
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}
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return NULL;
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}
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int main(int argc, char **argv)
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{
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int rc;
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fprintf(stderr, "CT19001 futex START\n");
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rc = syscall(__NR_util_indicate_clone,
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SPAWN_TO_REMOTE, NULL);
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if (rc) {
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fprintf(stderr,
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"util_indicate_clone rc=%d, errno=%d\n",
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rc, errno);
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fflush(stderr);
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}
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rc = pthread_create(&thr, NULL, util_thread, NULL);
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if (rc) {
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fprintf(stderr, "pthread_create: %d\n", rc);
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exit(1);
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}
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fprintf(stderr, "CT19002 pthread_create OK\n");
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while (!passed) {
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cpu_pause();
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}
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usleep(2000 * 1000UL);
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flag = 1;
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rc = syscall(__NR_futex, &sem, FUTEX_WAKE_BITSET,
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1, NULL, NULL, 0x12345678);
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if (rc != 0) {
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fprintf(stderr,
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"CT19003 FUTEX_WAKE missing the waiter NG (%d,%s)\n",
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rc, strerror(errno));
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}
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else {
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fprintf(stderr,
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"CT19003 FUTEX_WAKE missing the waiter OK\n");
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}
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pthread_join(thr, NULL);
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fprintf(stderr, "CT19004 pthread_join OK\n");
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fprintf(stderr, "CT19005 END\n");
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exit(0);
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}
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