pthread_rwlockattr_getpshared man page on PC-BSD

pthread_rwlockattr_getpshared man page on PC-BSD

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PTHREAD_RWLOCKATTR_GE... BSD Library Functions Manual PTHREAD_RWLOCKATTR_GE...

NAME
     pthread_rwlockattr_getpshared — get the process shared attribute

LIBRARY
     POSIX Threads Library (libpthread, -lpthread)

SYNOPSIS
     #include <pthread.h>

     int
     pthread_rwlockattr_getpshared(const pthread_rwlockattr_t *attr,
	 int *pshared);

DESCRIPTION
     The pthread_rwlockattr_getpshared() function is used to get the process
     shared setting of a read/write lock attribute object.  The setting is
     returned via pshared, and 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_getpshared() function will return
     zero.  Otherwise an error number will be returned to indicate the error.

ERRORS
     The pthread_rwlockattr_getpshared() function may fail if:

     [EINVAL]		The value specified by attr is invalid.

SEE ALSO
     pthread_rwlockattr_init(3), pthread_rwlockattr_setpshared(3),
     pthread_rwlock_init(3)

STANDARDS
     The pthread_rwlockattr_getpshared() function is expected to conform to
     Version 2 of the Single UNIX Specification (“SUSv2”).

HISTORY
     The pthread_rwlockattr_getpshared() function first appeared in
     FreeBSD 3.0.

BSD				March 22, 1999				   BSD

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