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/* ==== test_sock_1.c =========================================================
* Copyright (c) 1993 by Chris Provenzano, proven@athena.mit.edu
*
* Description : Test pthread_create() and pthread_exit() calls.
*
* 1.00 93/08/03 proven
* -Started coding this file.
*/
#include <pthread.h>
#include <errno.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <unistd.h>
#include "test.h"
#include <sched.h>
#include <string.h>
#include <stdlib.h>
struct sockaddr_in a_sout;
int success = 0;
pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
pthread_attr_t attr;
static int counter = 0;
void *
sock_connect(arg)
void *arg;
{
char buf[1024];
int fd;
/* Ensure sock_read runs first */
CHECKr(pthread_mutex_lock(&mutex));
a_sout.sin_addr.s_addr = htonl(0x7f000001); /* loopback */
CHECKe(fd = socket(AF_INET, SOCK_STREAM, 0));
ASSERT(++counter == 2);
/* connect to the socket */
CHECKe(connect(fd, (struct sockaddr *) &a_sout, sizeof(a_sout)));
CHECKe(close(fd));
CHECKr(pthread_mutex_unlock(&mutex));
CHECKe(fd = socket(AF_INET, SOCK_STREAM, 0));
ASSERT(++counter == 3);
CHECKe(connect(fd, (struct sockaddr *) &a_sout, sizeof(a_sout)));
/* Ensure sock_read runs again */
pthread_yield();
sleep(1);
CHECKr(pthread_mutex_lock(&mutex));
CHECKe(read(fd, buf, 1024));
write(fd, "6", 1);
ASSERT(++counter == atoi(buf));
CHECKe(close(fd));
success++;
CHECKr(pthread_mutex_unlock(&mutex));
return(NULL);
}
void *
sock_write(arg)
void *arg;
{
int fd = *(int *)arg;
CHECKe(write(fd, "5", 1));
return(NULL);
}
void *
sock_accept(arg)
void *arg;
{
pthread_t thread;
struct sockaddr a_sin;
int a_sin_size, a_fd, fd;
short port;
char buf[1024];
port = 3276;
a_sout.sin_family = AF_INET;
a_sout.sin_port = htons(port);
a_sout.sin_addr.s_addr = INADDR_ANY;
CHECKe(a_fd = socket(AF_INET, SOCK_STREAM, 0));
while (1) {
if(0 == bind(a_fd, (struct sockaddr *) &a_sout, sizeof(a_sout)))
break;
if (errno == EADDRINUSE) {
a_sout.sin_port = htons((++port));
continue;
}
DIE(errno, "bind");
}
CHECKe(listen(a_fd, 2));
ASSERT(++counter == 1);
CHECKr(pthread_create(&thread, &attr, sock_connect,
(void *)0xdeadbeaf));
a_sin_size = sizeof(a_sin);
CHECKe(fd = accept(a_fd, &a_sin, &a_sin_size));
CHECKr(pthread_mutex_lock(&mutex));
CHECKe(close(fd));
ASSERT(++counter == 4);
a_sin_size = sizeof(a_sin);
CHECKe(fd = accept(a_fd, &a_sin, &a_sin_size));
CHECKr(pthread_mutex_unlock(&mutex));
/* Setup a write thread */
CHECKr(pthread_create(&thread, &attr, sock_write, &fd));
CHECKe(read(fd, buf, 1024));
ASSERT(++counter == atoi(buf));
CHECKe(close(fd));
CHECKr(pthread_mutex_lock(&mutex));
success++;
CHECKr(pthread_mutex_unlock(&mutex));
CHECKr(pthread_join(thread, NULL));
return(NULL);
}
int
main()
{
pthread_t thread;
setbuf(stdout, NULL);
setbuf(stderr, NULL);
CHECKr(pthread_attr_init(&attr));
#if 0
CHECKr(pthread_attr_setschedpolicy(&attr, SCHED_FIFO));
#endif
CHECKr(pthread_create(&thread, &attr, sock_accept,
(void *)0xdeadbeaf));
CHECKr(pthread_join(thread, NULL));
ASSERT(success == 2);
SUCCEED;
}
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