fc42d83efc
made to src/Makefile.am in order to include src/pobj build, but no corresponding change was made to test/Makefile.am (will be done in the near future).
105 lines
2.1 KiB
C
105 lines
2.1 KiB
C
#include <pthread.h>
|
|
#include <unistd.h>
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include "pobj.h"
|
|
#include "common.h"
|
|
|
|
#define MAX_MSG_SIZE 128
|
|
|
|
struct node {
|
|
char *data;
|
|
struct node *next;
|
|
};
|
|
|
|
typedef struct node Node;
|
|
|
|
int node_ref_fields[] = {
|
|
member_offset(struct node, data),
|
|
member_offset(struct node, next),
|
|
-1
|
|
};
|
|
|
|
pthread_mutex_t *lock;
|
|
Node *head = NULL;
|
|
Node *tail = NULL;
|
|
|
|
void print() {
|
|
Node *tmp = head;
|
|
while (tmp != NULL) {
|
|
printf("%s\n", tmp->data);
|
|
tmp = tmp->next;
|
|
}
|
|
}
|
|
|
|
Node *createNode(int id, int num) {
|
|
Node *tmp;
|
|
//pobj_start();
|
|
tmp = (Node *) pobj_malloc(sizeof(Node));
|
|
pobj_ref_typify(tmp, node_ref_fields);
|
|
tmp->data = (char *) pobj_malloc(sizeof(char) * MAX_MSG_SIZE);
|
|
sprintf(tmp->data, "%d: This is message #%d", id, num);
|
|
tmp->next = NULL;
|
|
pobj_update(tmp);
|
|
pobj_update(tmp->data);
|
|
//pobj_end();
|
|
return tmp;
|
|
}
|
|
|
|
void *work(void *pid) {
|
|
int id = *((int *) pid);
|
|
int i;
|
|
for (i = 0; i <= id; i++) {
|
|
/* pthread_mutex_lock(lock); */
|
|
Node *tmp = createNode(id, i);
|
|
pthread_mutex_lock(lock);
|
|
//pobj_start();
|
|
if (head == NULL) {
|
|
/* head = tail = tmp; */
|
|
pobj_static_set_ref(&head, tmp);
|
|
pobj_static_set_ref(&tail, tmp);
|
|
} else {
|
|
tail->next = tmp;
|
|
/* tail = tmp; */
|
|
pobj_update(tail);
|
|
pobj_static_set_ref(&tail, tmp);
|
|
}
|
|
//pobj_end();
|
|
pthread_mutex_unlock(lock);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
void message(char *msg) {
|
|
printf("MASTER: %s\n", msg);
|
|
}
|
|
|
|
int main(int argc, char **argv) {
|
|
int num = 5;
|
|
if (argc > 1) {
|
|
num = atoi(argv[1]);
|
|
}
|
|
if (pobj_init(NULL) == 0) {
|
|
pthread_t threads[num];
|
|
int ids[num];
|
|
int i;
|
|
|
|
message("First run");
|
|
lock = (pthread_mutex_t *) malloc(sizeof(pthread_mutex_t));
|
|
pthread_mutex_init(lock, NULL);
|
|
pthread_mutex_lock(lock);
|
|
for (i = 0; i < num; i++) {
|
|
ids[i] = i;
|
|
pthread_create(&threads[i], NULL, work, (void *) &ids[i]);
|
|
}
|
|
pthread_mutex_unlock(lock);
|
|
for (i = 0; i < num; i++) {
|
|
pthread_join(threads[i], NULL);
|
|
}
|
|
} else {
|
|
message("Subsequent run");
|
|
}
|
|
print();
|
|
pobj_shutdown();
|
|
}
|