Changeset 54879ab for unix.c

Timestamp:

2006-01-21T22:31:10Z (18 years ago)

Author:

Wilmer van der Gaast <wilmer@…>

Branches:

master

Children:

57c4fc0

Parents:

f73b969 (diff), f1d38f2 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Added RESTART command (only for ForkDaemon mode) for easier upgrades.

File:

• unix.c (modified) (4 diffs)

unix.c

@@ -29 +29 @@
 #include "protocols/nogaim.h"
 #include "help.h"
+#include "ipc.h"
 #include <signal.h>
 #include <unistd.h>
@@ -38 +39 @@
 static void sighandler( int signal );
 
-int main( int argc, char *argv[] )
+int main( int argc, char *argv[], char **envp )
 {
         int i = 0;
+        char *old_cwd;
         struct sigaction sig, old;
         
@@ -73 +75 @@
         else if( global.conf->runmode == RUNMODE_FORKDAEMON )
         {
+                /* In case the operator requests a restart, we need this. */
+                old_cwd = g_malloc( 256 );
+                if( getcwd( old_cwd, 255 ) == NULL )
+                {
+                        log_message( LOGLVL_WARNING, "Could not save current directory: %s", strerror( errno ) );
+                        g_free( old_cwd );
+                        old_cwd = NULL;
+                }
+                
                 i = bitlbee_daemon_init();
                 log_message( LOGLVL_INFO, "Bitlbee %s starting in forking daemon mode.", BITLBEE_VERSION );
@@ -108 +119 @@
         g_main_run( global.loop );
         
+        if( global.restart )
+        {
+                char *fn = ipc_master_save_state();
+                char **args;
+                int n, i;
+                
+                chdir( old_cwd );
+                
+                n = 0;
+                args = g_new0( char *, argc + 3 );
+                args[n++] = argv[0];
+                if( fn )
+                {
+                        args[n++] = "-R";
+                        args[n++] = fn;
+                }
+                for( i = 1; argv[i] && i < argc; i ++ )
+                {
+                        if( strcmp( argv[i], "-R" ) == 0 )
+                                i += 2;
+                        
+                        args[n++] = argv[i];
+                }
+                
+                close( global.listen_socket );
+                
+                execve( args[0], args, envp );
+        }
+        
         return( 0 );
 }