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Important This document may not represent best practices for current development, links to downloads and other resources may no longer be valid. Current recommended version can be found here.

spawn Constants 


#include <process.h>

The mode argument determines the action taken by the calling process before and during a spawn operation. The following values for mode are possible:

Constant Meaning

_P_OVERLAY

Overlays calling process with new process, destroying calling process (same effect as _exec calls).

_P_WAIT

Suspends calling thread until execution of new process is complete (synchronous _spawn).

_P_NOWAIT, _P_NOWAITO

Continues to execute calling process concurrently with new process (asynchronous _spawn).

_P_DETACH

Continues to execute calling process; new process is run in background with no access to console or keyboard. Calls to _cwait against new process will fail. This is an asynchronous _spawn.

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