Home   Index   About
Ultimate Pack


Custom Search
Interprocess Synchronization Objects

The interprocess synchronization objects (event, mutex, semaphore, and timer) are securable. Critical section objects, which are per-process synchronization objects, are not securable.

Event Objects

The valid access rights for event objects are STANDARD_RIGHTS_REQUIRED and the rights given in the following table.

Value
Meaning
EVENT_ALL_ACCESS
Specifies all possible access rights for an event object.
EVENT_MODIFY_STATE
Specifies modify state (release) access.
SYNCHRONIZE
Specifies synchronization (wait or release) access.

The handle returned by the CreateEvent function has EVENT_ALL_ACCESS access to the semaphore object.

Mutex Objects

The valid access rights for mutex objects are STANDARD_RIGHTS_REQUIRED and the rights given in the following table.

Value
Meaning
MUTEX_ALL_ACCESS
Specifies all possible access rights for a mutex object.
MUTEX_MODIFY_STATE
Specifies modify state (release) access.
SYNCHRONIZE
Specifies synchronization (wait or release) access.

The handle returned by the CreateMutex function has MUTEX_ALL_ACCESS access to the mutex object.

Semaphore Objects

The valid access rights for semaphore objects are STANDARD_RIGHTS_REQUIRED and the rights given in the following table.

Value
Meaning
SEMAPHORE_ALL_ACCESS
Specifies all possible access rights for a semaphore object.
SEMAPHORE_MODIFY_STATE
Specifies modify state (release) access.
SYNCHRONIZE
Specifies synchronization (wait) access.

The handle returned by the CreateSemaphore function has SEMAPHORE_ALL_ACCESS access to the semaphore object.

Timer Objects

The valid access rights for timer objects are STANDARD_RIGHTS_REQUIRED and the rights given in the following table.

Value
Meaning
TIMER_ALL_ACCESS
Specifies all possible access rights for a timer object.
TIMER_MODIFY_STATE
Specifies modify state (release) access.
SYNCHRONIZE
Specifies synchronization (wait or release) access.

The handle returned by the CreateWaitableTimer function has TIMER_ALL_ACCESS access to the timer object.


Last news from Greatis Software

Nostalgia .Net     Nostalgia .Net     .Net is powerful, but not all-powerful, so sometimes we need to use Win32 API for our .Net applications. It's simple enough with Platform Invoke if you have Win32 skill, but we do not always have time to dig the ancient documentation, declare the special types that are compatible with Win32, find the values of the Win32's constants and so on. Nostalgia .Net offers several simple-to-use classes, and components that will allow you to forget about the headache of Win32 and just use the power of Win32 in your application the same way as you use the native. Net classes.  More »

Recommended software for developers

Ultimate Pack for Delphi and C++ Builder     Ultimate Pack     Component pack for Delphi and C++ Builder that contains runtime form designer, runtime object inspector, print suite and much more for the very special price.  More »

Form Designer .Net     Form Designer .Net     Unique runtime form design solution that allows to edit any form in .Net WinForms application at runtime with full source codes for only 300 euro!  More »

Print Suite .Net     Print Suite .Net     Print Suite .Net is a set of components for easy printing texts, images and grids from your WinForms applications. Full C# source codes are available  More »

Gradient Controls .Net     Gradient Controls .Net     Gradient Controls .Net offers controls with gradient background feature. Labels, panels and so on... Full C# source codes are available  More »

iGrid     Greatis iGrid     iGrid plots drawing grid right over your desktop, so you can use it everywhere, with any drawing application without any special plugins for different graphic editors.  More »


All the contacts and projects

Dmitry Vasiliev (just.dmitry)

Related Links

Software for Visual Studio .NET developers
Software for Delphi and C++ Builder developers
Software for Visual Basic 6 developers
Delphi Tips&Tricks
MegaDetailed.NET

More Online Helps

Win32 Programmer's Reference
Win32 Multimedia Programmer's Reference
OLE Programmer's Reference
Microsoft Windows Pen API Programmer's Reference
Microsoft Windows Sockets 2 Reference
Microsoft Windows Telephony API (TAPI) Programmer's Reference
Unix Manual Pages

Free Tech Secrets ;) Copyright © 2008-2012 Free Tech Secrets ;) greatis just4fun network just4fun