Reference

LockFileEx(3w)

NAME

LockFileEx (KERNEL32.@)

SYNOPSIS

BOOL LockFileEx
(
HANDLE hFile,
DWORD flags,
DWORD reserved,
DWORD count_low,
DWORD count_high,
LPOVERLAPPED overlapped
)

DESCRIPTION

Locks a byte range within an open file for shared or exclusive access.

RETURNS

success: TRUE

failure: FALSE.

NOTES

Per Microsoft(tm) docs, the third parameter (reserved) must be set to 0.

IMPLEMENTATION

Declared in "winbase.h".

Implemented in "dlls/kernel32/file.c".

Debug channel "file".

History