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111 lines
3.1 KiB
C
111 lines
3.1 KiB
C
/*
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+----------------------------------------------------------------------+
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| Thread Safe Resource Manager |
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+----------------------------------------------------------------------+
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| Copyright (c) 1998, 1999 Zeev Suraski |
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+----------------------------------------------------------------------+
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| This source file is subject to the Zend license, that is bundled |
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| with this package in the file LICENSE. If you did not receive a |
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| copy of the Zend license, please mail us at zend@zend.com so we can |
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| send you a copy immediately. |
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+----------------------------------------------------------------------+
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| Author: Zeev Suraski <zeev@zend.com> |
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+----------------------------------------------------------------------+
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*/
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#ifndef _TSRM_H
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#define _TSRM_H
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#ifdef HAVE_CONFIG_H
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# undef PACKAGE
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# undef VERSION
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# include "tsrm_config.h"
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# undef PACKAGE
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# undef VERSION
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#endif
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#if WIN32||WINNT
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# include <windows.h>
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#elif defined(GNUPTH)
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# include <pth.h>
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#elif defined(PTHREADS)
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# include <pthread.h>
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#endif
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typedef int ts_rsrc_id;
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#if WIN32||WINNT
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# ifdef TSRM_EXPORTS
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# define TSRM_API __declspec(dllexport)
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# else
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# define TSRM_API __declspec(dllimport)
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# endif
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#else
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# define TSRM_API
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#endif
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/* Define THREAD_T and MUTEX_T */
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#if defined(WIN32)
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# define THREAD_T DWORD
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# define MUTEX_T CRITICAL_SECTION *
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#elif defined(GNUPTH)
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# define THREAD_T pth_attr_t
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# define MUTEX_T pth_mutex_t *
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#elif defined(PTHREADS)
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# define THREAD_T pthread_t
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# define MUTEX_T pthread_mutex_t *
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#elif defined(NSAPI)
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# define THREAD_T SYS_THREAD
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# define MUTEX_T CRITICAL
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#elif defined(PI3WEB)
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# define THREAD_T PIThread *
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# define MUTEX_T PISync *
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#endif
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typedef void (*ts_allocate_ctor)(void *);
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typedef void (*ts_allocate_dtor)(void *);
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#define THREAD_HASH_OF(thr,ts) (unsigned long)thr%(unsigned long)ts
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* startup/shutdown */
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TSRM_API int tsrm_startup(int expected_threads, int expected_resources, int debug_status);
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TSRM_API void tsrm_shutdown(void);
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/* allocates a new thread-safe-resource id */
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TSRM_API ts_rsrc_id ts_allocate_id(size_t size, ts_allocate_ctor ctor, ts_allocate_dtor dtor);
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/* fetches the requested resource for the current thread */
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TSRM_API void *ts_resource(ts_rsrc_id id);
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/* frees all resources allocated for the current thread */
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TSRM_API void ts_free_thread(void);
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/* deallocates all occurrences of a given id */
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TSRM_API void ts_free_id(ts_rsrc_id id);
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/* Debug support */
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TSRM_API void tsrm_debug_set(int status);
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/* utility functions */
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TSRM_API THREAD_T tsrm_thread_id(void);
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TSRM_API MUTEX_T tsrm_mutex_alloc(void);
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TSRM_API void tsrm_mutex_free(MUTEX_T mutexp);
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TSRM_API int tsrm_mutex_lock(MUTEX_T mutexp);
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TSRM_API int tsrm_mutex_unlock(MUTEX_T mutexp);
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TSRM_API void *tsrm_set_new_thread_begin_handler(void (*new_thread_begin_handler)(THREAD_T thread_id));
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TSRM_API void *tsrm_set_new_thread_end_handler(void (*new_thread_end_handler)(THREAD_T thread_id));
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#ifdef __cplusplus
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}
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#endif
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#endif /* _TSRM_H */
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