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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>
struct sockaddr_in a_sout;
#define MESSAGE5 "This should be message #5"
#define MESSAGE6 "This should be message #6"
void * sock_write(void* arg)
{
int fd = *(int *)arg;
write(fd, MESSAGE5, sizeof(MESSAGE5));
return(NULL);
}
void * sock_accept(void* arg)
{
pthread_t thread;
struct sockaddr a_sin;
int a_sin_size, a_fd, fd, tmp;
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;
if ((a_fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
printf("Error: sock_accept:socket()\n");
exit(1);
}
while (bind(a_fd, (struct sockaddr *) &a_sout, sizeof(a_sout)) < 0) {
if (errno == EADDRINUSE) {
a_sout.sin_port = htons((++port));
continue;
}
printf("Error: sock_accept:bind()\n");
exit(1);
}
if (listen(a_fd, 2)) {
printf("Error: sock_accept:listen()\n");
exit(1);
}
a_sin_size = sizeof(a_sin);
printf("This should be message #1\n");
if ((fd = accept(a_fd, &a_sin, &a_sin_size)) < 0) {
printf("Error: sock_accept:accept()\n");
exit(1);
}
close(fd);
sleep(1);
a_sin_size = sizeof(a_sin);
memset(&a_sin, 0, sizeof(a_sin));
printf("This should be message #4\n");
if ((fd = accept(a_fd, &a_sin, &a_sin_size)) < 0) {
printf("Error: sock_accept:accept()\n");
exit(1);
}
/* Setup a write thread */
if (pthread_create(&thread, NULL, sock_write, &fd)) {
printf("Error: sock_accept:pthread_create(sock_write)\n");
exit(1);
}
if ((tmp = read(fd, buf, 1024)) <= 0) {
tmp = read(fd, buf, 1024);
printf("Error: sock_accept:read() == %d\n", tmp);
exit(1);
}
printf("%s\n", buf);
close(fd);
}
main()
{
pthread_t thread;
int i;
switch(fork()) {
case -1:
printf("Error: main:fork()\n");
break;
case 0:
execl("test_sock_2a", "test_sock_2a", "fork okay", NULL);
default:
break;
}
setbuf(stdout, NULL);
setbuf(stderr, NULL);
if (pthread_create(&thread, NULL, sock_accept, (void *)0xdeadbeaf)) {
printf("Error: main:pthread_create(sock_accept)\n");
exit(1);
}
pthread_exit(NULL);
}
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