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Shell Programming and Scripting
perl -write values in a file to @array in perl
Post 302290109 by KevinADC on Saturday 21st of February 2009 11:30:50 PM
02-22-2009
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......
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Hi,
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LEARN ABOUT SUNOS
pthread_spin_trylock
pthread_spin_lock(3C) Standard C Library Functions pthread_spin_lock(3C) NAME
pthread_spin_lock, pthread_spin_trylock - lock a spin lock object SYNOPSIS
cc -mt [ flag... ] file... [ library... ] #include <pthread.h> int pthread_spin_lock(pthread_spinlock_t *lock); #include <pthread.h> int pthread_spin_trylock(pthread_spinlock_t *lock); DESCRIPTION
The pthread_spin_lock() function locks the spin lock referenced by lock. The calling thread acquires the lock if it is not held by another thread. Otherwise, the thread spins (that is, does not return from the pthread_spin_lock call()) until the lock becomes available. The results are undefined if the calling thread holds the lock at the time the call is made. The pthread_spin_trylock() function locks the spin lock referenced by lock if it is not held by any thread. Otherwise, the function fails. The results are undefined if either of these functions is called with an uninitialized spin lock. RETURN VALUES
Upon successful completion, these functions returns 0. Otherwise, an error number is returned to indicate the error. ERRORS
The pthread_spin_trylock() function will fail if: EBUSY A thread currently holds the lock. These functions may fail if: EINVAL The value specified by lock does not refer to an initialized spin lock object. The pthread_spin_lock() function may fail if: EDEADLK The calling thread already holds the lock. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe | +-----------------------------+-----------------------------+ SEE ALSO
pthread_spin_destroy(3C), pthread_spin_unlock(3C), attributes(5), standards(5) SunOS 5.10 30 Jan 2004 pthread_spin_lock(3C)