jk_mutex.h

Tomcat 4.1与WebServer集成组件的源代码包.

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#ifndef JK_MUTEX_H
#define JK_MUTEX_H

#include "jk_global.h"
#include "jk_env.h"
#include "jk_logger.h"
#include "jk_pool.h"
#include "jk_msg.h"
#include "jk_service.h"

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

struct jk_env;
struct jk_mutex;

#if APR_HAS_THREADS
#include "apr_thread_mutex.h"
#elif defined( WIN32 )
#include <windows.h>
#elif defined( _REENTRANT )
#include <pthread.h>
#endif

    
typedef struct jk_mutex jk_mutex_t;

#define MUTEX_LOCK 4
#define MUTEX_TRYLOCK 5
#define MUTEX_UNLOCK 6

/**
 *  Interprocess mutex support. This is a wrapper to APR.
 *
 * @author Costin Manolache
 */
struct jk_mutex {
    struct jk_bean *mbean;

    struct jk_pool *pool;

    /** Name of the mutex */
    char *fname;

    /** APR mechanism */
    int mechanism;

    /** 
     */
    int (JK_METHOD *lock)(struct jk_env *env, struct jk_mutex *mutex);

    /** 
     */
    int (JK_METHOD *tryLock)(struct jk_env *env, struct jk_mutex *mutex);

    /** 
     */
    int (JK_METHOD *unLock)(struct jk_env *env, struct jk_mutex *mutex);

    /* Private data */
    void *privateData;

#if APR_HAS_THREADS
    apr_thread_mutex_t *threadMutex;
#elif defined( WIN32 )
    CRITICAL_SECTION threadMutex;
#elif defined( _REENTRANT )
    pthread_mutex_t threadMutex;
#else
    void *threadMutex;
#endif
};

int JK_METHOD jk2_mutex_invoke(struct jk_env *env, struct jk_bean *bean, struct jk_endpoint *ep, int code,
                               struct jk_msg *msg, int raw);

    
#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif