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|
/*
+----------------------------------------------------------------------+
| Thread Safe Resource Manager |
+----------------------------------------------------------------------+
| Copyright (c) 1999, 2000, Andi Gutmans, Sascha Schumann, Zeev Suraski|
| This source file is subject to the TSRM license, that is bundled |
| with this package in the file LICENSE |
+----------------------------------------------------------------------+
| Authors: Zeev Suraski <zeev@zend.com> |
+----------------------------------------------------------------------+
*/
#ifndef TSRM_H
#define TSRM_H
#ifdef HAVE_CONFIG_H
# undef PACKAGE
# undef VERSION
# include "tsrm_config.h"
# undef PACKAGE
# undef VERSION
#endif
/* Only compile multi-threading functions if we're in ZTS mode */
#ifdef ZTS
#ifdef WIN32
# define TSRM_WIN32
#endif
#ifdef TSRM_WIN32
# include <windows.h>
#elif defined(GNUPTH)
# include <pth.h>
#elif defined(PTHREADS)
# include <pthread.h>
#endif
typedef int ts_rsrc_id;
#ifdef TSRM_WIN32
# ifdef TSRM_EXPORTS
# define TSRM_API __declspec(dllexport)
# else
# define TSRM_API __declspec(dllimport)
# endif
#else
# define TSRM_API
#endif
/* Define THREAD_T and MUTEX_T */
#ifdef TSRM_WIN32
# define THREAD_T DWORD
# define MUTEX_T CRITICAL_SECTION *
#elif defined(GNUPTH)
# define THREAD_T pth_t
# define MUTEX_T pth_mutex_t *
#elif defined(PTHREADS)
# define THREAD_T pthread_t
# define MUTEX_T pthread_mutex_t *
#elif defined(NSAPI)
# define THREAD_T SYS_THREAD
# define MUTEX_T CRITICAL
#elif defined(PI3WEB)
# define THREAD_T PIThread *
# define MUTEX_T PISync *
#endif
typedef void (*ts_allocate_ctor)(void *);
typedef void (*ts_allocate_dtor)(void *);
#define THREAD_HASH_OF(thr,ts) (unsigned long)thr%(unsigned long)ts
#ifdef __cplusplus
extern "C" {
#endif
/* startup/shutdown */
TSRM_API int tsrm_startup(int expected_threads, int expected_resources, int debug_level, char *debug_filename);
TSRM_API void tsrm_shutdown(void);
/* allocates a new thread-safe-resource id */
TSRM_API ts_rsrc_id ts_allocate_id(size_t size, ts_allocate_ctor ctor, ts_allocate_dtor dtor);
/* fetches the requested resource for the current thread */
TSRM_API void *ts_resource_ex(ts_rsrc_id id, THREAD_T *th_id);
#define ts_resource(id) ts_resource_ex(id, NULL)
/* frees all resources allocated for the current thread */
TSRM_API void ts_free_thread(void);
/* deallocates all occurrences of a given id */
TSRM_API void ts_free_id(ts_rsrc_id id);
/* Debug support */
#define TSRM_ERROR_LEVEL_ERROR 1
#define TSRM_ERROR_LEVEL_CORE 2
#define TSRM_ERROR_LEVEL_INFO 3
TSRM_API int tsrm_error(int level, const char *format, ...);
TSRM_API void tsrm_error_set(int level, char *debug_filename);
/* utility functions */
TSRM_API THREAD_T tsrm_thread_id(void);
TSRM_API MUTEX_T tsrm_mutex_alloc(void);
TSRM_API void tsrm_mutex_free(MUTEX_T mutexp);
TSRM_API int tsrm_mutex_lock(MUTEX_T mutexp);
TSRM_API int tsrm_mutex_unlock(MUTEX_T mutexp);
TSRM_API void *tsrm_set_new_thread_begin_handler(void (*new_thread_begin_handler)(THREAD_T thread_id));
TSRM_API void *tsrm_set_new_thread_end_handler(void (*new_thread_end_handler)(THREAD_T thread_id));
#ifdef __cplusplus
}
#endif
#endif /* ZTS */
#endif /* TSRM_H */
|
