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#include <assert.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <inttypes.h>
#include <pthread.h>
#include <sys/wait.h>
#include <sched.h>
void checked_write(int fd, const void *buf, size_t count)
{
ssize_t rc = write(fd, buf, count);
assert(rc == count);
}
void *thread1_func(void *arg)
{
int i;
char buf[512];
for(i=0;i<10;i++) {
snprintf(buf, sizeof(buf), "thread1: %d %s\n", i, (char *)arg);
checked_write(1, buf, strlen(buf));
usleep(100 * 1000);
}
return NULL;
}
void *thread2_func(void *arg)
{
int i;
char buf[512];
for(i=0;i<20;i++) {
snprintf(buf, sizeof(buf), "thread2: %d %s\n", i, (char *)arg);
checked_write(1, buf, strlen(buf));
usleep(150 * 1000);
}
return NULL;
}
void test_pthread(void)
{
pthread_t tid1, tid2;
pthread_create(&tid1, NULL, thread1_func, "hello1");
pthread_create(&tid2, NULL, thread2_func, "hello2");
pthread_join(tid1, NULL);
pthread_join(tid2, NULL);
printf("End of pthread test.\n");
}
int main(int argc, char **argv)
{
test_pthread();
return 0;
}
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