diff -r 69f8c0acaac7 -r 675be0a45157 render_node.c
--- a/render_node.c	Sat May 31 19:35:21 2008 +0300
+++ b/render_node.c	Sun Jun 01 01:48:09 2008 +0300
@@ -3,12 +3,29 @@
 #include <arpa/inet.h>
 #include <sys/socket.h>
 #include <stdlib.h>
+#include <signal.h>
+#include <string.h>
 
 #include "render.h"
 #include "render_remote.h"
 #include "mandelbrot.h"
 #include "common.h"
 
+void sigpipe_handler (int signal) {
+    /* ignore */
+    fprintf(stderr, "SIGPIPE\n");
+}
+
+void sigpipe_ignore () {
+    struct sigaction sigpipe_action;
+
+    memset(&sigpipe_action, 0, sizeof(sigpipe_action));
+    sigpipe_action.sa_handler = SIG_IGN;
+
+    if (sigaction(SIGPIPE, &sigpipe_action, NULL))
+        perr_exit("sigaction");
+}
+
 int my_fread(FILE *fh, void *ptr, size_t size) {
     int ret = fread(ptr, size, 1, fh);
     
@@ -78,10 +95,13 @@
     render_region_raw(&ctx, x1, y1, x2, y2);
     render_io_stream(&ctx, fh);
     
+    sigpipe_ignore();
+    
     // render!
-    mandelbrot_render_timed(&ctx, &duration);
-
-    printf("time=%fs\n", duration);
+    if (mandelbrot_render_timed(&ctx, &duration))
+        printf("error\n");  // XXX: notify our client?
+    else
+        printf("time=%fs\n", duration);
     
     // close the FILE* and socket
     fclose(fh);
@@ -89,14 +109,16 @@
     return;
 }
 
+
 int main (int argc, char** argv) {
     int ssock, sock;
     struct sockaddr_in addr;
     socklen_t addr_len;
 
+
     // create the socket
     if ((ssock = socket(PF_INET, SOCK_STREAM, 0)) == -1)
-        die("socket");
+        perr_exit("socket");
 
     addr.sin_family = AF_INET;
     addr.sin_port = htons(RENDER_PORT);
@@ -106,10 +128,10 @@
         addr.sin_port = htons(atoi(argv[1]));
     
     if (bind(ssock, (struct sockaddr *) &addr, sizeof(struct sockaddr_in)) == -1)
-        die("bind");
+        perr_exit("bind");
     
     if (listen(ssock, 1) == -1)
-        die("listen");
+        perr_exit("listen");
     
     printf("RUN: %s:%hu\n", inet_ntoa(addr.sin_addr), ntohs(addr.sin_port));
 
@@ -119,7 +141,7 @@
 
         // accept a new client
         if ((sock = accept(ssock, (struct sockaddr *) &addr, &addr_len)) == -1)
-            die("accept");
+            perr_exit("accept");
         
         printf("ACCEPT: %s:%hu\n", inet_ntoa(addr.sin_addr), addr.sin_port);