1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
/* ==== 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_connect(void* arg)
{
char buf[1024];
int fd, tmp;
short port;
port = 3276;
a_sout.sin_family = AF_INET;
a_sout.sin_port = htons(port);
a_sout.sin_addr.s_addr = htonl(0x7f000001); /* loopback */
if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
perror("Error: sock_connect:socket()");
exit(1);
}
printf("This should be message #2\n");
if (connect(fd, (struct sockaddr *) &a_sout, sizeof(a_sout)) < 0) {
perror("Error: sock_connect:connect()");
exit(1);
}
close(fd);
if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
perror("Error: sock_connect:socket()");
exit(1);
}
printf("This should be message #3\n");
if (connect(fd, (struct sockaddr *) &a_sout, sizeof(a_sout)) < 0) {
perror("Error: sock_connect:connect()");
exit(1);
}
/* Ensure sock_read runs again */
if ((tmp = read(fd, buf, 1024)) <= 0) {
printf("Error: sock_connect:read() == %d %s\n", tmp, strerror(errno));
exit(1);
}
write(fd, MESSAGE6, sizeof(MESSAGE6));
printf("%s\n", buf);
close(fd);
}
main(int argc, char **argv)
{
pthread_t thread;
int i;
if (argv[1] && (!strcmp(argv[1], "fork okay"))) {
sleep(1);
setbuf(stdout, NULL);
setbuf(stderr, NULL);
if (pthread_create(&thread, NULL, sock_connect, (void *)0xdeadbeaf)) {
perror("Error: main:pthread_create(sock_connect)");
exit(1);
}
pthread_exit(NULL);
}
printf("test_sock_2a needs to be execed from test_sock_2.\n");
printf("It is not a stand alone test.\n");
exit(1);
}
|