93 lines
1.7 KiB
C
93 lines
1.7 KiB
C
/* CT17.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 <signal.h>
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#include "uti.h"
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pthread_mutex_t mutex;
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pthread_cond_t cond;
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int passed, flag;
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pthread_t thr;
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void *util_thread(void *arg)
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{
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int rc;
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rc = syscall(__NR_get_system);
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if (rc == -1) {
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fprintf(stderr,
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"CT17100 running on Linux OK\n");
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}
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else {
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fprintf(stderr,
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"CT17100 running on Linux NG (%d)\n", rc);
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}
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while (!passed) {
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cpu_pause();
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}
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/* Send debug message through serial takes 0.05 sec */
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usleep(100 * 1000UL);
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pthread_mutex_lock(&mutex);
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flag = 1;
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pthread_cond_signal(&cond);
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pthread_mutex_unlock(&mutex);
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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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pthread_mutex_init(&mutex, NULL);
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pthread_cond_init(&cond, NULL);
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fprintf(stderr, "CT17001 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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"CT17002 util_indicate_clone NG (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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else {
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fprintf(stderr, "CT17002 util_indicate_clone OK\n");
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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, "CT17003 pthread_create OK\n");
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passed = 1;
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pthread_mutex_lock(&mutex);
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fprintf(stderr, "CT17004 lock on %p OK\n", &mutex);
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while (!flag) {
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pthread_cond_wait(&cond, &mutex);
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fprintf(stderr, "CT17005 wake on %p OK\n", &cond);
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}
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flag = 0;
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pthread_mutex_unlock(&mutex);
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pthread_join(thr, NULL);
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fprintf(stderr, "CT17006 pthread_join OK\n");
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fprintf(stderr, "CT17007 END\n");
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exit(0);
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}
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