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pthread_rwlockattr_setpshared ()
  • >> pthread_rwlockattr_setpshared (3) ( FreeBSD man: Библиотечные вызовы )
  • pthread_rwlockattr_setpshared (3) ( POSIX man: Библиотечные вызовы )

  • BSD mandoc
     

    NAME

    
    
    pthread_rwlockattr_setpshared
    
     - set the process shared attribute
    
     
    

    LIBRARY

    Lb libpthread
    
     
    

    SYNOPSIS

       #include <pthread.h>
    int pthread_rwlockattr_setpshared (pthread_rwlockattr_t *attr int pshared);
     

    DESCRIPTION

    The pthread_rwlockattr_setpshared ();
    function sets the process shared attribute of Fa attr to the value referenced by Fa pshared . The Fa pshared argument may be one of two values:

    PTHREAD_PROCESS_SHARED
    Any thread of any process that has access to the memory where the read/write lock resides can manipulate the lock.
    PTHREAD_PROCESS_PRIVATE
    Only threads created within the same process as the thread that initialized the read/write lock can manipulate the lock. This is the default value.

     

    RETURN VALUES

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

    ERRORS

    The pthread_rwlockattr_setpshared ();
    function will fail if:

    Bq Er EINVAL
    The value specified by Fa attr or Fa pshared is invalid.

     

    SEE ALSO

    pthread_rwlockattr_getpshared3, pthread_rwlockattr_init3, pthread_rwlock_init3  

    STANDARDS

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

    HISTORY

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

    BUGS

    The PTHREAD_PROCESS_SHARED attribute is not supported.


     

    Index

    NAME
    LIBRARY
    SYNOPSIS
    DESCRIPTION
    RETURN VALUES
    ERRORS
    SEE ALSO
    STANDARDS
    HISTORY
    BUGS


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