From 6a45c252278eead8018c842c727556cf2f4193ad Mon Sep 17 00:00:00 2001
From: Eric Heien <eric@heien.org>
Date: Wed, 4 Jun 2003 18:51:16 +0000
Subject: [PATCH] *** empty log message ***

svn path=/trunk/boinc/; revision=1295
---
 checkin_notes |  7 +++++++
 client/main.C | 29 +++++++++++++++++++++++------
 2 files changed, 30 insertions(+), 6 deletions(-)

diff --git a/checkin_notes b/checkin_notes
index 936223b7f4..2621b8b1cf 100755
--- a/checkin_notes
+++ b/checkin_notes
@@ -4437,3 +4437,10 @@ David  June 4 2003
         add.C
         backend_lib.C,h
         create_work.C
+
+Eric   June 4, 2003
+    - Added signal handlers for keyboard suspend/resume on UNIX
+
+    client/
+        main.C
+
diff --git a/client/main.C b/client/main.C
index cb282f7af7..e518932739 100644
--- a/client/main.C
+++ b/client/main.C
@@ -111,6 +111,18 @@ void quit_client(int a) {
     gstate.requested_exit = true;
 }
 
+void susp_client(int a) {
+    gstate.active_tasks.suspend_all();
+    msg_printf(NULL, MSG_INFO, "Suspending activity - user request");
+    signal(SIGTSTP, SIG_DFL);
+    raise(SIGTSTP);
+}
+
+void resume_client(int a) {
+    gstate.active_tasks.unsuspend_all();
+    msg_printf(NULL, MSG_INFO, "Resuming activity");
+}
+
 int main(int argc, char** argv) {
     int retval;
     double dt;
@@ -120,18 +132,23 @@ int main(int argc, char** argv) {
         fprintf(stderr, "Another copy of BOINC is already running\n");
         exit(1);
     }
-#ifndef _WIN32
-    // Handle quit signals gracefully
-    signal(SIGHUP, quit_client);
-    signal(SIGINT, quit_client);
-    signal(SIGQUIT, quit_client);
-#endif
 
     read_log_flags();
     gstate.parse_cmdline(argc, argv);
     gstate.parse_env_vars();
     retval = gstate.init();
     if (retval) exit(retval);
+
+#ifndef _WIN32
+    // Handle quit signals gracefully
+    signal(SIGHUP, quit_client);
+    signal(SIGINT, quit_client);
+    signal(SIGQUIT, quit_client);
+    signal(SIGPWR, quit_client);
+    signal(SIGTSTP, susp_client);
+    signal(SIGCONT, resume_client);
+#endif
+
     while (1) {
         if (!gstate.do_something()) {
             dt = dtime();