Flocklibrary

Theflock()functionappliesorremovesanadvisorylockonthefileassociatedwiththeopenfiledescriptorfiledes.,flockimplementsathread-safefilelock.Italsoincludesanon-blockingTryLock()functiontoallowlockingwithoutblockingexecution.,FlockisaC++librarysupportinglock-freelocksasdescribedinthepaper:Lock-freeLocks:RevisitedNaamaBen-David,GuyE.Blelloch,YuanhaoWei,Applyorremoveanadvisorylockontheopenfilespecifi...

參考資訊如下
flock()

The flock() function applies or removes an advisory lock on the file associated with the open file descriptor filedes.

gofrsflock: Thread-safe file locking library in Go

flock implements a thread-safe file lock. It also includes a non-blocking TryLock() function to allow locking without blocking execution.

cmuparlayflock: Library for lock-free locks

Flock is a C++ library supporting lock-free locks as described in the paper: Lock-free Locks: Revisited Naama Ben-David, Guy E. Blelloch, Yuanhao Wei

flock(2)

Apply or remove an advisory lock on the open file specified by fd. The argument operation is one of the following:

flock(1) - Linux manual page

This utility manages flock(2) locks from within shell scripts or from the command line. The first and second of the above forms wrap the lock around the ...

flock(2) - Linux manual page

flock() is implemented as a system call in its own right rather than being emulated in the GNU C library as a call to fcntl(2).

File Locks (The GNU C Library)

An exclusive or write lock gives a process exclusive access for writing to the specified part of the file.

flock()— Apply or remove an advisory lock on an open file

flock() applies or removes an advisory lock on the open file specified by fd . The argument operation is one of the following: LOCK_SH Place a shared lock.

lockfx, lockf, flock, or lockf64 Subroutine

The lockfx subroutine locks and unlocks sections of an open file. The lockfx subroutine provides a subset of the locking function provided by the fcntl ...