mk_version.tcl: read version from IDMETA

[idzebra-moved-to-github.git] / util / zebra-lock.c

diff --git a/util/zebra-lock.c b/util/zebra-lock.c
index 6739a18..3332eda 100644 (file)
--- a/util/zebra-lock.c
+++ b/util/zebra-lock.c
@@ -1,29 +1,88 @@
+/* This file is part of the Zebra server.
+   Copyright (C) 1994-2011 Index Data
 
+Zebra is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 2, or (at your option) any later
+version.
+
+Zebra 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 General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+*/
+
+
+
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
 #include <assert.h>
+#include <stdio.h>
 
 #include <zebra-lock.h>
 
+
 int zebra_mutex_init (Zebra_mutex *p)
 {
+    p->state = 1;
+#if YAZ_POSIX_THREADS
     pthread_mutex_init (&p->mutex, 0);
+#endif
+#ifdef WIN32
+    InitializeCriticalSection (&p->mutex);
+#endif
     return 0;
 }
 
 int zebra_mutex_destroy (Zebra_mutex *p)
 {
+    --(p->state);
+    if (p->state != 0)
+    {
+        fprintf (stderr, "zebra_mutex_destroy. state = %d\n", p->state);
+    } 
+#if YAZ_POSIX_THREADS
     pthread_mutex_destroy (&p->mutex);
+#endif
+#ifdef WIN32
+    DeleteCriticalSection (&p->mutex);
+#endif
     return 0;
 }
 
 int zebra_mutex_lock (Zebra_mutex *p)
 {
+    if (p->state != 1)
+    {
+        fprintf (stderr, "zebra_mutex_lock. state = %d\n", p->state);
+    }
+#if YAZ_POSIX_THREADS
     pthread_mutex_lock (&p->mutex);
+#endif
+#ifdef WIN32
+    EnterCriticalSection (&p->mutex);
+#endif
     return 0;
 }
 
 int zebra_mutex_unlock (Zebra_mutex *p)
 {
+    if (p->state != 1)
+    {
+        fprintf (stderr, "zebra_mutex_unlock. state = %d\n", p->state);
+    }
+#if YAZ_POSIX_THREADS
     pthread_mutex_unlock (&p->mutex);
+#endif
+#ifdef WIN32
+    LeaveCriticalSection (&p->mutex);
+#endif
     return 0;
 }
 
@@ -31,8 +90,10 @@ int zebra_lock_rdwr_init (Zebra_lock_rdwr *p)
 {
     p->readers_reading = 0;
     p->writers_writing = 0;
+#if YAZ_POSIX_THREADS
     pthread_mutex_init (&p->mutex, 0);
     pthread_cond_init (&p->lock_free, 0);
+#endif
     return 0;
 }
 
@@ -40,33 +101,40 @@ int zebra_lock_rdwr_destroy (Zebra_lock_rdwr *p)
 {
     assert (p->readers_reading == 0);
     assert (p->writers_writing == 0);
+#if YAZ_POSIX_THREADS
     pthread_mutex_destroy (&p->mutex);
     pthread_cond_destroy (&p->lock_free);
+#endif
     return 0;
 }
 
 int zebra_lock_rdwr_rlock (Zebra_lock_rdwr *p)
 {
+#if YAZ_POSIX_THREADS
     pthread_mutex_lock (& p->mutex);
     while (p->writers_writing)
        pthread_cond_wait (&p->lock_free, &p->mutex);
     p->readers_reading++;
     pthread_mutex_unlock(&p->mutex);
+#endif
     return 0;
 }
 
 int zebra_lock_rdwr_wlock (Zebra_lock_rdwr *p)
 {
+#if YAZ_POSIX_THREADS
     pthread_mutex_lock (&p->mutex);
     while (p->writers_writing || p->readers_reading)
        pthread_cond_wait (&p->lock_free, &p->mutex);
     p->writers_writing++;
     pthread_mutex_unlock (&p->mutex);
+#endif
     return 0;
 }
 
 int zebra_lock_rdwr_runlock (Zebra_lock_rdwr *p)
 {
+#if YAZ_POSIX_THREADS
     pthread_mutex_lock (&p->mutex);
     if (p->readers_reading == 0)
     {
@@ -80,11 +148,13 @@ int zebra_lock_rdwr_runlock (Zebra_lock_rdwr *p)
            pthread_cond_signal (&p->lock_free);
        pthread_mutex_unlock (&p->mutex);
     }
+#endif
     return 0;
 }
 
 int zebra_lock_rdwr_wunlock (Zebra_lock_rdwr *p)
 {
+#if YAZ_POSIX_THREADS
     pthread_mutex_lock (&p->mutex);
     if (p->writers_writing == 0)
     {
@@ -97,6 +167,69 @@ int zebra_lock_rdwr_wunlock (Zebra_lock_rdwr *p)
        pthread_cond_broadcast(&p->lock_free);
        pthread_mutex_unlock(&p->mutex);
     }
+#endif
+    return 0;
+}
+
+int zebra_mutex_cond_init (Zebra_mutex_cond *p)
+{
+#if YAZ_POSIX_THREADS
+    pthread_cond_init (&p->cond, 0);
+    pthread_mutex_init (&p->mutex, 0);
+#endif
+    return 0;
+}
+
+int zebra_mutex_cond_destroy (Zebra_mutex_cond *p)
+{
+#if YAZ_POSIX_THREADS
+    pthread_cond_destroy (&p->cond);
+    pthread_mutex_destroy (&p->mutex);
+#endif
+    return 0;
+}
+
+int zebra_mutex_cond_lock (Zebra_mutex_cond *p)
+{
+#if YAZ_POSIX_THREADS
+    return pthread_mutex_lock (&p->mutex);
+#else
+    return 0;
+#endif
+}
+
+int zebra_mutex_cond_unlock (Zebra_mutex_cond *p)
+{
+#if YAZ_POSIX_THREADS
+    return pthread_mutex_unlock (&p->mutex);
+#else
+    return 0;
+#endif
+}
+
+int zebra_mutex_cond_wait (Zebra_mutex_cond *p)
+{
+#if YAZ_POSIX_THREADS
+    return pthread_cond_wait (&p->cond, &p->mutex);
+#else
+    return 0;
+#endif
+}
+
+int zebra_mutex_cond_signal (Zebra_mutex_cond *p)
+{
+#if YAZ_POSIX_THREADS
+    return pthread_cond_signal (&p->cond);
+#else
     return 0;
+#endif
 }
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * c-file-style: "Stroustrup"
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */