file-locking

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Access Violation when calling LockFileEx()

I have a FileMapping class that allows me to also lock a file for exclusive use by my process by using the Win32 API function LockFileEx().[详细]

2023-04-11 20:46 分类：问答
What is the order in which a POSIX system clears the file locks that were not unlocked cleanly?

The POSIX specification for fcntl() states: All locks associated with a file for a given process shall be removed when a file descriptor for that file is closed by that process or the process holdin[详细]

2023-04-10 04:07 分类：问答
File backup in linux with advisory locks

How do backup programs make开发者_C百科 sure they get a consistent copy of a file, when file locks in linux mostly are advisory?[详细]

2023-04-04 07:15 分类：问答
File.Open for read access denied on executing file in Windows

I have a problem with file permissions on executing files in Windows that seems to be solved after following a forum tip[1], but I cannot understand why. Maybe you guys can help.[详细]

2023-03-27 04:00 分类：问答
How to avoid Assembly.LoadFrom blocking?

I create a .net dll on the fly with codedom then I load it with Assembly.LoadFrom like this: Private Sub Test()[详细]

2023-03-25 10:42 分类：问答
What does _locking() really do?

Looking for answer of this question I found function _locking(). There tells that it Locks or unlocks bytes of a file (actually I can\'t understand what does this sentence really mean). If someone hav[详细]

2023-03-23 10:33 分类：问答
How lock a file in windows using c++?

How can I lock a file in windows to only current thread (no other threads from same process and no other proc开发者_开发百科esses) can access (read/write) the file?[详细]

2023-03-22 20:21 分类：问答
How does one efficiently implement file region locking using grand central dispatch?

For my project, I am reading from and writing to a file from multiple threads, so I need to implement file locking. I have tried fcntl(), however it seems that function only works with locking between[详细]

2023-03-21 06:21 分类：问答
How to make php scripts run in parallel?

script1.php <?php session_start(); sleep(10); script2.php <?php session_start(); I run script1.php in the browser and immediately after script2.php in another browser window.[详细]

2023-03-18 08:03 分类：问答
image file is not released after it is disposed

I am working on a project that downloads some images and put them in a arrarList to be processed later.The following portion of code is where the problem is.It works with first download, but somehow t[详细]

2023-03-17 18:10 分类：问答