File icewm-exit-fork.patch of Package icewm.4268

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File icewm-exit-fork.patch of Package icewm.4268

Author: Fabian Vogt <fvogt@suse.com>
Subject: Start shutdown and reboot commands in background

When polkit is enabled, systemctl may in turn wait for the
graphical password prompt to return. The created window cannot
be handled by icewm as it is busy with systemctl.
This avoids this deadlock by starting systemctl in background.

---
 src/wmmgr.cc |   23 +++++++++++++++++++----
 src/wmmgr.h  |    1 +
 2 files changed, 20 insertions(+), 4 deletions(-)

Index: icewm-1.3.12/src/wmmgr.cc
===================================================================
--- icewm-1.3.12.orig/src/wmmgr.cc
+++ icewm-1.3.12/src/wmmgr.cc
@@ -3011,16 +3011,30 @@ void YWindowManager::updateUserTime(Time
     }
 }
 
+void YWindowManager::execAfterFork(const char *command) {
+    pid_t pid = fork();
+    switch(pid) {
+    case -1: /* Failed */
+        warn("fork failed (%d)", errno);
+        return;
+    case 0: /* Child */
+        execl("/bin/sh", "sh", "-c", command, (char *) 0);
+        return; /* Never reached */
+    default: /* Parent */
+        return;
+    }
+}
+
 void YWindowManager::checkLogout() {
     if (fShuttingDown && !haveClients()) {
+        fShuttingDown = false; /* Only run the command once */
+
         if (rebootOrShutdown == 1 && rebootCommand && rebootCommand[0]) {
             msg("reboot... (%s)", rebootCommand);
-            if (system(rebootCommand) == -1)
-		return;
+            execAfterFork(rebootCommand);
         } else if (rebootOrShutdown == 2 && shutdownCommand && shutdownCommand[0]) {
             msg("shutdown ... (%s)", shutdownCommand);
-            if (system(shutdownCommand) == -1)
-		return;
+            execAfterFork(shutdownCommand);
         } else
             app->exit(0);
     }
Index: icewm-1.3.12/src/wmmgr.h
===================================================================
--- icewm-1.3.12.orig/src/wmmgr.h
+++ icewm-1.3.12/src/wmmgr.h
@@ -188,6 +188,7 @@ public:
 
     void wmCloseSession();
     void exitAfterLastClient(bool shuttingDown);
+    void execAfterFork(const char *command);
     void checkLogout();
 
     virtual void resetColormap(bool active);

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File icewm-exit-fork.patch of Package icewm.4268

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