X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=vswitchd%2Fovs-vswitchd.c;h=6478156031e4d431a3f1942c994b8faea170bd1d;hb=a9633ada756ec15e1ed3dd9b503af3027dee3d10;hp=604ee1b5530dc7d13453bdf25ee196ed2b6faea0;hpb=250382a8fc839cb077b2636983a1c1de0d6b0e17;p=openvswitch

diff --git a/vswitchd/ovs-vswitchd.c b/vswitchd/ovs-vswitchd.c
index 604ee1b5..64781560 100644
--- a/vswitchd/ovs-vswitchd.c
+++ b/vswitchd/ovs-vswitchd.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2008, 2009 Nicira Networks
+/* Copyright (c) 2008, 2009, 2010 Nicira Networks
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,6 +22,9 @@
 #include <signal.h>
 #include <stdlib.h>
 #include <string.h>
+#ifdef HAVE_MLOCKALL
+#include <sys/mman.h>
+#endif
 
 #include "bridge.h"
 #include "command-line.h"
@@ -47,6 +50,8 @@
 #include "vlog.h"
 #define THIS_MODULE VLM_vswitchd
 
+static unixctl_cb_func ovs_vswitchd_exit;
+
 static const char *parse_options(int argc, char *argv[]);
 static void usage(void) NO_RETURN;
 
@@ -58,10 +63,11 @@ main(int argc, char *argv[])
     struct ovsdb_idl *idl;
     const char *remote;
     bool need_reconfigure;
-    bool inited;
+    bool inited, exiting;
     unsigned int idl_seqno;
     int retval;
 
+    proctitle_init(argc, argv);
     set_program_name(argv[0]);
     time_init();
     vlog_init();
@@ -69,14 +75,16 @@ main(int argc, char *argv[])
     signal(SIGPIPE, SIG_IGN);
     sighup = signal_register(SIGHUP);
     process_init();
+    ovsrec_init();
 
     die_if_already_running();
     daemonize_start();
 
     retval = unixctl_server_create(NULL, &unixctl);
     if (retval) {
-        ovs_fatal(retval, "could not listen for control connections");
+        exit(EXIT_FAILURE);
     }
+    unixctl_command_register("exit", ovs_vswitchd_exit, &exiting);
 
     daemonize_complete();
 
@@ -85,7 +93,8 @@ main(int argc, char *argv[])
 
     need_reconfigure = false;
     inited = false;
-    for (;;) {
+    exiting = false;
+    while (!exiting) {
         if (signal_poll(sighup)) {
             vlog_reopen_log_file();
         }
@@ -134,6 +143,7 @@ parse_options(int argc, char *argv[])
 {
     enum {
         OPT_PEER_CA_CERT = UCHAR_MAX + 1,
+        OPT_MLOCKALL,
         OPT_FAKE_PROC_NET,
         VLOG_OPTION_ENUMS,
         LEAK_CHECKER_OPTION_ENUMS,
@@ -142,6 +152,7 @@ parse_options(int argc, char *argv[])
     static struct option long_options[] = {
         {"help",        no_argument, 0, 'h'},
         {"version",     no_argument, 0, 'V'},
+        {"mlockall",    no_argument, 0, OPT_MLOCKALL},
         {"fake-proc-net", no_argument, 0, OPT_FAKE_PROC_NET},
         DAEMON_LONG_OPTIONS,
         VLOG_LONG_OPTIONS,
@@ -173,6 +184,16 @@ parse_options(int argc, char *argv[])
             OVS_PRINT_VERSION(OFP_VERSION, OFP_VERSION);
             exit(EXIT_SUCCESS);
 
+        case OPT_MLOCKALL:
+#ifdef HAVE_MLOCKALL
+            if (mlockall(MCL_CURRENT | MCL_FUTURE)) {
+                VLOG_ERR("mlockall failed: %s", strerror(errno));
+            }
+#else
+            VLOG_ERR("mlockall not supported on this system");
+#endif
+            break;
+
         case OPT_FAKE_PROC_NET:
             error = proc_net_compat_init();
             if (error) {
@@ -235,3 +256,12 @@ usage(void)
     leak_checker_usage();
     exit(EXIT_SUCCESS);
 }
+
+static void
+ovs_vswitchd_exit(struct unixctl_conn *conn, const char *args OVS_UNUSED,
+                  void *exiting_)
+{
+    bool *exiting = exiting_;
+    *exiting = true;
+    unixctl_command_reply(conn, 200, NULL);
+}