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pthread_rwlock_unlock (3)
  • pthread_rwlock_unlock (3) ( Solaris man: Библиотечные вызовы )
  • >> pthread_rwlock_unlock (3) ( FreeBSD man: Библиотечные вызовы )
  • pthread_rwlock_unlock (3) ( POSIX man: Библиотечные вызовы )

  • BSD mandoc
     

    NAME

    
    
    pthread_rwlock_unlock
    
     - release a read/write lock
    
     
    

    LIBRARY

    Lb libpthread
    
     
    

    SYNOPSIS

       #include <pthread.h>
    int pthread_rwlock_unlock (pthread_rwlock_t *lock);
     

    DESCRIPTION

    The pthread_rwlock_unlock ();
    function is used to release the read/write lock previously obtained by pthread_rwlock_rdlock (,);
    pthread_rwlock_wrlock (,);
    pthread_rwlock_tryrdlock (,);
    or pthread_rwlock_trywrlock (.);
     

    RETURN VALUES

    If successful, the pthread_rwlock_unlock ();
    function will return zero. Otherwise an error number will be returned to indicate the error.

    The results are undefined if Fa lock is not held by the calling thread.  

    ERRORS

    The pthread_rwlock_unlock ();
    function may fail if:

    Bq Er EINVAL
    The value specified by Fa lock is invalid.
    Bq Er EPERM
    The current thread does not own the read/write lock.

     

    SEE ALSO

    pthread_rwlock_rdlock3, pthread_rwlock_wrlock3  

    STANDARDS

    The pthread_rwlock_unlock ();
    function is expected to conform to St -susv2 .  

    HISTORY

    The pthread_rwlock_unlock ();
    function first appeared in Fx 3.0 .


     

    Index

    NAME
    LIBRARY
    SYNOPSIS
    DESCRIPTION
    RETURN VALUES
    ERRORS
    SEE ALSO
    STANDARDS
    HISTORY


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