NAME¶

ost::Lockfile - This class is used to create a 'named' lock entity that can be used to control access to a resource between multiple processes.

SYNOPSIS¶

#include <process.h>

Public Member Functions¶

Lockfile (const char *name) Create a lock under a known name. Lockfile () Create a new lock object that can be used to make locks. ~Lockfile () Destroy the current lock and release it. bool lock (const char *name) Lock a system-wide name for this process. void unlock (void) Release an acquired lock. bool isLocked (void) Flag if the current process has aqcuired a lock.

Detailed Description¶

This class is used to create a 'named' lock entity that can be used to control access to a resource between multiple processes. The posix implimentation uses a pidfile and the win32 version uses a globally visible mutex. Author:

Constructor & Destructor Documentation¶

ost::Lockfile::Lockfile (const char *name)¶

Create a lock under a known name. Parameters:

ost::Lockfile::Lockfile ()¶

Create a new lock object that can be used to make locks.

ost::Lockfile::~Lockfile () [inline]¶

Destroy the current lock and release it.

Member Function Documentation¶

bool ost::Lockfile::isLocked (void)¶

Flag if the current process has aqcuired a lock. Returns:

bool ost::Lockfile::lock (const char *name)¶

Lock a system-wide name for this process. If the lock is successful, return true. If an existing lock was already acquired, release it first. Returns: Parameters:

void ost::Lockfile::unlock (void)¶

Release an acquired lock.

Author¶

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