--- /dev/null
+/* This file is part of the YAZ toolkit.
+ * Copyright (C) 1995-2010 Index Data.
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Index Data nor the names of its contributors
+ * may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/**
+ * \file shptr.h
+ * \brief Shared pointer macros
+ */
+
+#ifndef YAZ_SHARED_PTR_H
+#define YAZ_SHARED_PTR_H
+
+#include <yaz/xmalloc.h>
+#include <yaz/mutex.h>
+
+YAZ_BEGIN_CDECL
+
+#define YAZ_SHPTR_TYPE(type) \
+ struct type##_shptr \
+ { \
+ type ptr; \
+ int ref; \
+ YAZ_MUTEX mutex; \
+ }; \
+ typedef struct type##_shptr *type##_shptr_t;
+
+#define YAZ_SHPTR_INIT(p,n) { \
+ p = xmalloc(sizeof(*p)); \
+ p->ptr = n; \
+ p->ref = 1; \
+ p->mutex = 0; \
+ yaz_mutex_create(&p->mutex); \
+ }
+
+#define YAZ_SHPTR_INC(p) { \
+ yaz_mutex_enter(p->mutex); \
+ p->ref++; \
+ yaz_mutex_leave(p->mutex); \
+ }
+
+#define YAZ_SHPTR_DEC(p, destroy) { \
+ yaz_mutex_enter(p->mutex); \
+ if (--p->ref == 0) { \
+ yaz_mutex_leave(p->mutex); \
+ destroy(p->ptr); \
+ yaz_mutex_destroy(&p->mutex); \
+ xfree(p); \
+ p = 0; \
+ } else { \
+ yaz_mutex_leave(p->mutex); \
+ } \
+ }
+
+YAZ_END_CDECL
+
+#endif
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * c-file-style: "Stroustrup"
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
+
#include <stdlib.h>
#include <string.h>
-#include <yaz/mutex.h>
+#include <yaz/shptr.h>
#include <yaz/wrbuf.h>
#include <yaz/test.h>
-#define YAZ_SHPTR_TYPE(type) \
- struct type##_shptr \
- { \
- type ptr; \
- int ref; \
- YAZ_MUTEX mutex; \
- }; \
- typedef struct type##_shptr *type##_shptr_t;
-
-#define YAZ_SHPTR_INIT(p,n) { \
- p = xmalloc(sizeof(*p)); \
- p->ptr = n; \
- p->ref = 1; \
- p->mutex = 0; \
- yaz_mutex_create(&p->mutex); \
- }
-
-#define YAZ_SHPTR_INC(p) { \
- yaz_mutex_enter(p->mutex); \
- p->ref++; \
- yaz_mutex_leave(p->mutex); \
- }
-
-#define YAZ_SHPTR_DEC(p, destroy) { \
- yaz_mutex_enter(p->mutex); \
- if (--p->ref == 0) { \
- yaz_mutex_leave(p->mutex); \
- destroy(p->ptr); \
- yaz_mutex_destroy(&p->mutex); \
- xfree(p); \
- p = 0; \
- } else { \
- yaz_mutex_leave(p->mutex); \
- } \
- }
-
YAZ_SHPTR_TYPE(WRBUF)
static void test(void)