Fix typo.

[bacula/bacula] / bacula / src / lib / watchdog.c

diff --git a/bacula/src/lib/watchdog.c b/bacula/src/lib/watchdog.c
old mode 100755 (executable)
new mode 100644 (file)
index 43384ff..68221af
--- a/bacula/src/lib/watchdog.c
+++ b/bacula/src/lib/watchdog.c
@@ -1,3 +1,30 @@
+/*
+   Bacula® - The Network Backup Solution
+
+   Copyright (C) 2002-2008 Free Software Foundation Europe e.V.
+
+   The main author of Bacula is Kern Sibbald, with contributions from
+   many others, a complete list can be found in the file AUTHORS.
+   This program is Free Software; you can redistribute it and/or
+   modify it under the terms of version three of the GNU Affero General Public
+   License as published by the Free Software Foundation and included
+   in the file LICENSE.
+
+   This program is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU Affero General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+   02110-1301, USA.
+
+   Bacula® is a registered trademark of Kern Sibbald.
+   The licensor of Bacula is the Free Software Foundation Europe
+   (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
+   Switzerland, email:ftf@fsfeurope.org.
+*/
 /*
  * Bacula thread watchdog routine. General routine that 
  *  allows setting a watchdog timer with a callback that is
@@ -6,27 +33,13 @@
  *  Kern Sibbald, January MMII
  *
  */
-/*
-   Copyright (C) 2000-2006 Kern Sibbald
-
-   This program is free software; you can redistribute it and/or
-   modify it under the terms of the GNU General Public License
-   version 2 as amended with additional clauses defined in the
-   file LICENSE in the main source directory.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 
-   the file LICENSE for additional details.
-
- */
 
 #include "bacula.h"
 #include "jcr.h"
 
 /* Exported globals */
-time_t watchdog_time = 0;             /* this has granularity of SLEEP_TIME */
-time_t watchdog_sleep_time = 60;      /* examine things every 60 seconds */
+utime_t watchdog_time = 0;            /* this has granularity of SLEEP_TIME */
+utime_t watchdog_sleep_time = 60;     /* examine things every 60 seconds */
 
 /* Locals */
 static pthread_mutex_t timer_mutex = PTHREAD_MUTEX_INITIALIZER;
@@ -47,6 +60,19 @@ static pthread_t wd_tid;
 static dlist *wd_queue;
 static dlist *wd_inactive;
 
+/* 
+ * Returns: 0 if the current thread is NOT the watchdog
+ *          1 if the current thread is the watchdog
+ */
+bool is_watchdog()
+{
+   if (wd_is_init && pthread_equal(pthread_self(), wd_tid)) {
+      return true;
+   } else {
+      return false;
+   }
+}
+
 /*
  * Start watchdog thread
  *
@@ -66,16 +92,17 @@ int start_watchdog(void)
    watchdog_time = time(NULL);
 
    if ((errstat=rwl_init(&lock)) != 0) {
-      Emsg1(M_ABORT, 0, _("Unable to initialize watchdog lock. ERR=%s\n"),
-            strerror(errstat));
+      berrno be;
+      Jmsg1(NULL, M_ABORT, 0, _("Unable to initialize watchdog lock. ERR=%s\n"),
+            be.bstrerror(errstat));
    }
    wd_queue = New(dlist(dummy, &dummy->link));
    wd_inactive = New(dlist(dummy, &dummy->link));
+   wd_is_init = true;
 
    if ((stat = pthread_create(&wd_tid, NULL, watchdog_thread, NULL)) != 0) {
       return stat;
    }
-   wd_is_init = true;
    return 0;
 }
 
@@ -88,6 +115,7 @@ static void ping_watchdog()
    P(timer_mutex);
    pthread_cond_signal(&timer);
    V(timer_mutex);
+   bmicrosleep(0, 100);
 }
 
 /*
@@ -106,9 +134,8 @@ int stop_watchdog(void)
    }
 
    quit = true;                       /* notify watchdog thread to stop */
-   wd_is_init = false;
-
    ping_watchdog();
+
    stat = pthread_join(wd_tid, NULL);
 
    while (!wd_queue->empty()) {
@@ -135,6 +162,7 @@ int stop_watchdog(void)
    delete wd_inactive;
    wd_inactive = NULL;
    rwl_destroy(&lock);
+   wd_is_init = false;
 
    return stat;
 }
@@ -162,13 +190,13 @@ watchdog_t *new_watchdog(void)
 bool register_watchdog(watchdog_t *wd)
 {
    if (!wd_is_init) {
-      Emsg0(M_ABORT, 0, _("BUG! register_watchdog called before start_watchdog\n"));
+      Jmsg0(NULL, M_ABORT, 0, _("BUG! register_watchdog called before start_watchdog\n"));
    }
    if (wd->callback == NULL) {
-      Emsg1(M_ABORT, 0, _("BUG! Watchdog %p has NULL callback\n"), wd);
+      Jmsg1(NULL, M_ABORT, 0, _("BUG! Watchdog %p has NULL callback\n"), wd);
    }
    if (wd->interval == 0) {
-      Emsg1(M_ABORT, 0, _("BUG! Watchdog %p has zero interval\n"), wd);
+      Jmsg1(NULL, M_ABORT, 0, _("BUG! Watchdog %p has zero interval\n"), wd);
    }
 
    wd_lock();
@@ -188,7 +216,7 @@ bool unregister_watchdog(watchdog_t *wd)
    bool ok = false;
 
    if (!wd_is_init) {
-      Emsg0(M_ABORT, 0, _("BUG! unregister_watchdog_unlocked called before start_watchdog\n"));
+      Jmsg0(NULL, M_ABORT, 0, _("BUG! unregister_watchdog_unlocked called before start_watchdog\n"));
    }
 
    wd_lock();
@@ -229,8 +257,9 @@ extern "C" void *watchdog_thread(void *arg)
    struct timespec timeout;
    struct timeval tv;
    struct timezone tz;
-   time_t next_time;
+   utime_t next_time;
 
+   set_jcr_in_tsd(INVALID_JCR);
    Dmsg0(800, "NicB-reworked watchdog thread entered\n");
 
    while (!quit) {
@@ -306,8 +335,9 @@ static void wd_lock()
 {
    int errstat;
    if ((errstat=rwl_writelock(&lock)) != 0) {
-      Emsg1(M_ABORT, 0, _("rwl_writelock failure. ERR=%s\n"),
-           strerror(errstat));
+      berrno be;
+      Jmsg1(NULL, M_ABORT, 0, _("rwl_writelock failure. ERR=%s\n"),
+           be.bstrerror(errstat));
    }
 }
 
@@ -320,7 +350,8 @@ static void wd_unlock()
 {
    int errstat;
    if ((errstat=rwl_writeunlock(&lock)) != 0) {
-      Emsg1(M_ABORT, 0, _("rwl_writeunlock failure. ERR=%s\n"),
-           strerror(errstat));
+      berrno be;
+      Jmsg1(NULL, M_ABORT, 0, _("rwl_writeunlock failure. ERR=%s\n"),
+           be.bstrerror(errstat));
    }
 }