wpRequestObjectMutexSem - Syntax

This method is specific to Version 4, or higher, of the OS/2 operating system.

Each object has associated with it a mutex semaphore that can be used to serialize access to resources. This instance method is called to request the mutex semaphore for an object.

#define INCL_WINWORKPLACE
#include <os2.h>

WPObject     *somSelf;    /*  Pointer to the object on which the method is being invoked. */
ULONG         ulTimeout;  /*  Return code from WinRequestMutexSem. */
ULONG         rc;         /*  Success indicator */

rc = _wpRequestObjectMutexSem(somSelf, ulTimeout);