gwj / socket · Commits

Commit 3518a74cd9d305f971ba416f9687d109d496f095

Authored by Grzegorz Jabłoński
1 parent 92cb4f97
build: skipped

Changed EINTR demonstration example

Inline Side-by-side
Showing 2 changed files with 15 additions and 5 deletions
eintrc.c
  View file @3518a74
... ... @@ -12,10 +12,12 @@
12 12 void
13 13 alarmhandler (int s)
14 14 {
15   - signal (SIGALRM, alarmhandler);
  15 + printf("signal\n");
16 16 alarm (1);
17 17 }
18 18  
  19 +char buffer[1024 * 1024];
  20 +
19 21 int
20 22 main ()
21 23 {
... ... @@ -24,8 +26,13 @@ main ()
24 26 struct sockaddr_in address;
25 27 int result;
26 28 ssize_t count;
27   - char buffer[1024 * 1024];
28   - signal (SIGALRM, alarmhandler);
  29 +
  30 + struct sigaction sig;
  31 + sig.sa_handler = alarmhandler;
  32 + sig.sa_flags = 0;
  33 + sigemptyset (&sig.sa_mask);
  34 + sigaction (SIGALRM, &sig, NULL);
  35 +
29 36 alarm (1);
30 37  
31 38 /* Create a socket for the client. */
... ... @@ -53,7 +60,7 @@ main ()
53 60 while (1)
54 61 {
55 62  
56   - count = write (sockfd, buffer, 1024 * 1024);
  63 + count = write (sockfd, buffer, sizeof(buffer));
57 64 if (count == -1)
58 65 perror ("write");
59 66 else
... ...
eintrs.c
  View file @3518a74
... ... @@ -35,9 +35,12 @@ main ()
35 35 client_sockfd = accept (server_sockfd,
36 36 (struct sockaddr *) &client_address, &client_len);
37 37  
38   - while (1)
  38 + for(int i=0; i<1000; ++i)
39 39 {
40 40 count = read (client_sockfd, buffer, 1024 * 1024);
41 41 printf ("Read %zd bytes\n", count);
42 42 }
  43 +
  44 + while(1)
  45 + sleep(1);
43 46 }
... ...