Changeset 6886 for trunk/tools

Timestamp:

Sep 30, 2001, 7:26:52 AM (24 years ago)

Author:

bird

Message:

Added queryrunning command.

File:

• trunk/tools/CmdQd/CmdQd.c (modified) (5 diffs)

trunk/tools/CmdQd/CmdQd.c

@@ -1 @@
-/* $Id: CmdQd.c,v 1.6 2001-09-04 13:29:49 bird Exp $
+/* $Id: CmdQd.c,v 1.7 2001-09-30 05:26:52 bird Exp $
  *
  * Command Queue Daemon / Client.
@@ -267 +267 @@
 int  Submit(int rcIgnore);
 int  Wait(void);
+int  QueryRunning(void);
 int  Kill(void);
-
 /* shared memory helpers */
 int  shrmemCreate(void);
@@ -318 +318 @@
     {
         return Wait();
+    }
+    else if (!strcmp(argv[1], "queryrunning"))
+    {
+        return QueryRunning();
     }
     else if (!strcmp(argv[1], "kill"))
@@ -378 +382 @@
         "        Kills the daemon. Daemon will automatically die after\n"
         "        idling for some time.\n"
+        "    queryrunning\n"
+        "        Checks if the daemon is running.\n"
+        "        rc = 0 if running; rc != 0 if not running.\n"
         "\n"
         "Copyright (c) 2001 knut st. osmundsen (kosmunds@csc.com)\n"
@@ -1366 +1373 @@
 
 /**
+ * Checks if the daemon is running.
+ */
+int QueryRunning(void)
+{
+    APIRET rc;
+    rc = DosGetNamedSharedMem((PPVOID)(PVOID)&pShrMem,
+                              SHARED_MEM_NAME,
+                              PAG_READ | PAG_WRITE);
+    if (!rc)
+        DosFreeMem(pShrMem);
+
+    return rc;
+}
+
+
+/**
  * Sends a kill command to the daemon to kill it and its workers.
  * @returns 0.