nap()

Sleep for a given number of milliseconds

Synopsis:

#include <unix.h>

unsigned int nap( unsigned int ms);

Arguments:

ms

The number of milliseconds that you want the process to sleep.

Library:

libc

Use the -l c option to qcc to link against this library. This library is usually included automatically.

Description:

The nap() routine delays the calling process for ms milliseconds. This function is the same as delay() and is similar to napms().

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The suspension time may be greater than the requested amount, due to the nature of time measurement (see the Tick, Tock: Understanding the Neutrino Microkernel's Concept of Time chapter of the QNX Neutrino Programmer's Guide), or due to the scheduling of other, higher-priority threads by the system.

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Classification:

Unix

See also:

delay(), napms()

Tick, Tock: Understanding the Neutrino Microkernel's Concept of Time chapter of the QNX Neutrino Programmer's Guide