pthread_spin_unlock() unlock a spin lock object	Advanced Realtime
	SYNOPSIS DESCRIPTION PARAMETERS RETURN VALUES EXAMPLES CONFORMANCE MULTITHREAD SAFETY LEVEL PORTING ISSUES AVAILABILITY SEE ALSO

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SYNOPSIS

#include <pthread.h>

int pthread_spin_unlock(pthread_spinlock_t *lock);

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DESCRIPTION

The pthread_spin_unlock() function releases the spin lock pointed to by the lock argument which was locked via the pthread_spin_lock() or pthread_spin_trylock() functions.

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PARAMETERS

lock 

Points to a spin lock.

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RETURN VALUES

On success, the pthread_spin_unlock() returns 0. On failure, it returns one of the following error numbers:

EINVAL 

An invalid argument was specified.

EPERM 

The calling thread does not hold the lock.

This function shall not return an error code of EINTR.

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EXAMPLES

None.

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CONFORMANCE

UNIX 03.

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MULTITHREAD SAFETY LEVEL

MT-Safe.

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PORTING ISSUES

None.

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AVAILABILITY

PTC MKS Toolkit for Professional Developers
PTC MKS Toolkit for Professional Developers 64-Bit Edition
PTC MKS Toolkit for Enterprise Developers
PTC MKS Toolkit for Enterprise Developers 64-Bit Edition

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SEE ALSO

Functions:

pthread_spin_destroy(), pthread_spin_lock()

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PTC MKS Toolkit 10.5 Documentation Build 40.