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  3. June 2001

Re: locks

Windows can.
  CreateSemaphore( 0, , SemaphoreName ) ; // create as non signaled
  WaitForSingleObject( SemaphoreName, ... )  ;  // wait until object is signaled.
 
Can linux?, ile ?  ( a question, not a challenge )
 
Any knowledge of how locks and semaphores are implemented on different systems?
 
Esp the powerpc instructions used for locking and waiting?
 
-----Original Message-----
From: Steve Richter <srichter@AutoCoder.com>
To: mi mail list <MI400@midrange.com>
Date: Monday, June 18, 2001 4:27 PM
Subject: locks

LOCKSL is used to wait until something is not in use.
 
What about the reverse.  How would a pgm wait (efficiently) until something is in use?
 
 
Thanks,
Steve Richter
 
 

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