From eef1934af8e38f91fb96ca922f6f52fa7d8d2a9a Mon Sep 17 00:00:00 2001
From: Nathanael Sensfelder <SpamShield0@MultiAgentSystems.org>
Date: Sun, 18 Jun 2017 01:01:40 +0200
Subject: Starts signal handling.

---
 src/server/server_initialize.c |  6 ++++
 src/server/server_signal.c     | 68 +++++++++++++++++++++++++++++++++++++-----
 2 files changed, 66 insertions(+), 8 deletions(-)

diff --git a/src/server/server_initialize.c b/src/server/server_initialize.c
index a125046..1c302ac 100644
--- a/src/server/server_initialize.c
+++ b/src/server/server_initialize.c
@@ -76,6 +76,11 @@ int JH_server_initialize
    const struct JH_parameters params [const restrict static 1]
 )
 {
+   if (JH_server_set_signal_handlers() < 0)
+   {
+      return -1;
+   }
+
    if (initialize_worker_collection(&(server->workers)) < 0)
    {
       return -1;
@@ -90,6 +95,7 @@ int JH_server_initialize
       ) < 0
    )
    {
+      /* TODO: free worker_collection */
       return -2;
    }
 
diff --git a/src/server/server_signal.c b/src/server/server_signal.c
index 9361382..06a15bf 100644
--- a/src/server/server_signal.c
+++ b/src/server/server_signal.c
@@ -1,7 +1,10 @@
 #include <signal.h>
+#include <errno.h>
 #include <string.h>
 #include <stdio.h>
 
+#include "../error/error.h"
+
 #include "server.h"
 
 static volatile char JH_SERVER_IS_RUNNING = (char) 1;
@@ -26,16 +29,65 @@ int JH_server_is_running (void)
 
 int JH_server_set_signal_handlers (void)
 {
-   /*
    struct sigaction act;
+   const int old_errno = errno;
+
+   memset((void *) &act, 0, sizeof(struct sigaction));
+
+   act.sa_handler = request_termination;
+
+   errno = 0;
+
+   if (sigaction(SIGHUP, &act, (struct sigaction * restrict) NULL) == -1)
+   {
+      JH_FATAL
+      (
+         stderr,
+         "Could not set sigaction for SIGHUP (errno: %d): %s",
+         errno,
+         strerror(errno)
+      );
+
+      errno = old_errno;
+
+      return -1;
+   }
+
+   errno = 0;
 
-      act.sa_handler = request_termination;
-      act.sa_mask =
-      act.sa_flags =
-      act.sa_restorer =
-   */
+   if (sigaction(SIGINT, &act, (struct sigaction * restrict) NULL) == -1)
+   {
+      JH_FATAL
+      (
+         stderr,
+         "Could not set sigaction for SIGINT (errno: %d): %s",
+         errno,
+         strerror(errno)
+      );
+
+      errno = old_errno;
+
+      return -1;
+   }
+
+   act.sa_handler = SIG_IGN;
+
+   if (sigaction(SIGPIPE, &act, (struct sigaction * restrict) NULL) == -1)
+   {
+      JH_FATAL
+      (
+         stderr,
+         "Could not set sigaction for SIGPIPE (errno: %d): %s",
+         errno,
+         strerror(errno)
+      );
+
+      errno = old_errno;
+
+      return -1;
+   }
 
-   /* TODO */
+   errno = old_errno;
 
-   return -1;
+   return 0;
 }
-- 
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