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88 lines
2.4 KiB
C
88 lines
2.4 KiB
C
/*
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* Win32 mutexes
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*
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* Copyright 1998 Alexandre Julliard
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*/
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#include <assert.h>
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#include <string.h>
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#include "winerror.h"
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#include "server.h"
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/***********************************************************************
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* CreateMutexA (KERNEL32.166)
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*/
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HANDLE WINAPI CreateMutexA( SECURITY_ATTRIBUTES *sa, BOOL owner, LPCSTR name )
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{
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struct create_mutex_request *req = get_req_buffer();
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req->owned = owner;
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req->inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle);
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server_strcpyAtoW( req->name, name );
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SetLastError(0);
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server_call( REQ_CREATE_MUTEX );
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if (req->handle == -1) return 0;
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return req->handle;
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}
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/***********************************************************************
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* CreateMutexW (KERNEL32.167)
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*/
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HANDLE WINAPI CreateMutexW( SECURITY_ATTRIBUTES *sa, BOOL owner, LPCWSTR name )
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{
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struct create_mutex_request *req = get_req_buffer();
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req->owned = owner;
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req->inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle);
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server_strcpyW( req->name, name );
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SetLastError(0);
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server_call( REQ_CREATE_MUTEX );
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if (req->handle == -1) return 0;
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return req->handle;
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}
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/***********************************************************************
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* OpenMutexA (KERNEL32.541)
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*/
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HANDLE WINAPI OpenMutexA( DWORD access, BOOL inherit, LPCSTR name )
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{
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struct open_mutex_request *req = get_req_buffer();
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req->access = access;
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req->inherit = inherit;
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server_strcpyAtoW( req->name, name );
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server_call( REQ_OPEN_MUTEX );
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if (req->handle == -1) return 0; /* must return 0 on failure, not -1 */
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return req->handle;
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}
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/***********************************************************************
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* OpenMutexW (KERNEL32.542)
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*/
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HANDLE WINAPI OpenMutexW( DWORD access, BOOL inherit, LPCWSTR name )
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{
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struct open_mutex_request *req = get_req_buffer();
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req->access = access;
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req->inherit = inherit;
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server_strcpyW( req->name, name );
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server_call( REQ_OPEN_MUTEX );
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if (req->handle == -1) return 0; /* must return 0 on failure, not -1 */
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return req->handle;
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}
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/***********************************************************************
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* ReleaseMutex (KERNEL32.582)
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*/
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BOOL WINAPI ReleaseMutex( HANDLE handle )
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{
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struct release_mutex_request *req = get_req_buffer();
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req->handle = handle;
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return !server_call( REQ_RELEASE_MUTEX );
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}
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