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Explain DosCreateThread Functions Used in the OS/2
DosCreateThread(&threadID,MyThreadFunction,arg,flags,stackSize)
DosCreateThread creates a thread within the context of the currently executing process. This function call returns the thread ID of the newly created thread in &threadID.The developer must pass a function pointer (MyThreadFunction), a stack size (stack Size), and an optional 32-bit argument (arg).
When the DosCreateThread( ) is called, OS/2 allocates a stack, (sackSize)size and places an asynchronous unit of execution on the runqueue. OS/2 will manage all aspects of the stack, including expansion and deletion. The 32-bit argument will be passed to the MyThreadFunction when initiated. OS/2 also allows the thread to be started in a suspended state with use of the flags parameter.
Deadlocks can be detected while the program is running, by running cycle detection algorithms on the graph that de?nes the current use of resources. De?ne this graph as follows:
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Define the DosExecPgm Functions used in the OS/2 DosExecPgm (objBuffer, objLen, flags, cmdLine, env, &resultCode, execName) DosExecPgm function is designed to load an execut
What is contiguous allocation? Allocation of a group of consecutive sectors for a one file.
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Now let's implement bounded producer-consumer with semaphores, a Coke machine which is initially empty: semaphore sem_mutex = 1 // binary semaphore for mutual exclusion, 1==unlo
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What is Belady's anomaly When plotting on a graph the page faults versus the number of available frames. We notice that the number of faults for four frames is greater than th
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Define the “turn-around” time of a user job Turn- around time is total time taken to execute the job.
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