wmi-1.3.16 from opsview.com

2019-02-16 00:16:52 +01:00
parent 163fdd3d1b
commit 17b3af2911
2146 changed files with 678824 additions and 0 deletions
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+#ifndef _MUTEX_H_
+#define _MUTEX_H_
+/* 
+   Unix SMB/CIFS implementation.
+   Samba mutex functions
+   Copyright (C) Andrew Tridgell 2003
+   Copyright (C) James J Myers 2003
+   
+   This program 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 of the License, or
+   (at your option) any later version.
+   
+   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 General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+/** 
+ * @file
+ * @brief Mutex operations
+ */
+
+struct mutex_ops;
+
+/* To add a new read/write lock, add it to enum rwlock_id
+ */
+enum rwlock_id { RWLOCK_SMBD, 		/* global smbd lock */
+
+		RWLOCK_MAX /* this MUST be kept last */
+};
+
+#define MUTEX_LOCK_BY_ID(mutex_index) smb_mutex_lock_by_id(mutex_index, #mutex_index)
+#define MUTEX_UNLOCK_BY_ID(mutex_index) smb_mutex_unlock_by_id(mutex_index, #mutex_index)
+#define MUTEX_INIT(mutex, name) smb_mutex_init(mutex, #name)
+#define MUTEX_DESTROY(mutex, name) smb_mutex_destroy(mutex, #name)
+#define MUTEX_LOCK(mutex, name) smb_mutex_lock(mutex, #name)
+#define MUTEX_UNLOCK(mutex, name) smb_mutex_unlock(mutex, #name)
+
+#define RWLOCK_INIT(rwlock, name) smb_rwlock_init(rwlock, #name)
+#define RWLOCK_DESTROY(rwlock, name) smb_rwlock_destroy(rwlock, #name)
+#define RWLOCK_LOCK_WRITE(rwlock, name) smb_rwlock_lock_write(rwlock, #name)
+#define RWLOCK_LOCK_READ(rwlock, name) smb_rwlock_lock_read(rwlock, #name)
+#define RWLOCK_UNLOCK(rwlock, name) smb_rwlock_unlock(rwlock, #name)
+
+
+
+/* this null typedef ensures we get the types right and avoids the
+   pitfalls of void* */
+typedef struct smb_mutex {
+	void *mutex;
+} smb_mutex_t;
+typedef struct {
+	void *rwlock;
+} smb_rwlock_t;
+
+/* the mutex model operations structure - contains function pointers to 
+   the model-specific implementations of each operation */
+struct mutex_ops {
+	int (*mutex_init)(smb_mutex_t *mutex, const char *name);
+	int (*mutex_lock)(smb_mutex_t *mutex, const char *name);
+	int (*mutex_unlock)(smb_mutex_t *mutex, const char *name);
+	int (*mutex_destroy)(smb_mutex_t *mutex, const char *name);
+	int (*rwlock_init)(smb_rwlock_t *rwlock, const char *name);
+	int (*rwlock_lock_write)(smb_rwlock_t *rwlock, const char *name);
+	int (*rwlock_lock_read)(smb_rwlock_t *rwlock, const char *name);
+	int (*rwlock_unlock)(smb_rwlock_t *rwlock, const char *name);
+	int (*rwlock_destroy)(smb_rwlock_t *rwlock, const char *name);
+};
+
+#endif /* endif _MUTEX_H_ */