2014-11-19 00:25:21 +08:00
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#ifndef ACL_FLOCK_INCLUDE_H
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#define ACL_FLOCK_INCLUDE_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "acl_define.h"
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/**
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* <EFBFBD>Դ<EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>м<EFBFBD><EFBFBD><EFBFBD>
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* @param fd {ACL_FILE_HANDLE} <EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* @param lock_style {int} ϵͳ<EFBFBD>ṩ<EFBFBD><EFBFBD>API<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>UNIX<EFBFBD><EFBFBD>Ч<EFBFBD><EFBFBD>
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* ACL_FLOCK_STYLE_FLOCK or ACL_FLOCK_STYLE_FCNTL
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* @param operation {int} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ, ACL_FLOCK_OP_XXX
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* @return {int} 0: <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɹ<EFBFBD>; -1: <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD><EFBFBD>
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*/
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ACL_API int acl_myflock(ACL_FILE_HANDLE fd, int lock_style, int operation);
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/*
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* Lock styles.
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*/
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#define ACL_FLOCK_STYLE_FLOCK 1 /**< <20><><EFBFBD><EFBFBD> flock <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(unix) */
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#define ACL_FLOCK_STYLE_FCNTL 2 /**< <20><><EFBFBD><EFBFBD> fcntl <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(unix) */
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/*
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* Lock request types.
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*/
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#define ACL_FLOCK_OP_NONE 0 /**< <20><><EFBFBD><EFBFBD> */
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#define ACL_FLOCK_OP_SHARED 1 /**< <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
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#define ACL_FLOCK_OP_EXCLUSIVE 2 /**< <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
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/**
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* <EFBFBD>ȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ACL_FLOCK_OP_SHARED, <EFBFBD><EFBFBD> ACL_FLOCK_OP_EXCLUSIVE <EFBFBD><EFBFBD><EFBFBD><EFBFBD>,
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* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ACL_FLOCK_OP_SHARED <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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*/
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#define ACL_FLOCK_OP_NOWAIT 4
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/**
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* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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*/
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#define ACL_FLOCK_OP_BITS \
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(ACL_FLOCK_OP_SHARED | ACL_FLOCK_OP_EXCLUSIVE | ACL_FLOCK_OP_NOWAIT)
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#ifdef __cplusplus
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}
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#endif
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#endif
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