pthread_mutexattr_settype(3)			  pthread_mutexattr_settype(3)

NAME
       pthread_mutexattr_settype  - Specifies the mutex type attribute that is
       used when a mutex is created

SYNOPSIS
       #include <pthread.h>

       int pthread_mutexattr_settype(
	       pthread_mutexattr_t *attr,
	       int type );

LIBRARY
       DECthreads POSIX 1003.1c Library (libpthread.so)

STANDARDS
       Interfaces documented on this reference page conform to industry	 stan‐
       dards as follows:

       IEEE Std 1003.1c-1995, POSIX System Application Program Interface

PARAMETERS
       Mutex  attributes  object whose mutex type attribute is to be modified.
       New value for the mutex type attribute. The type argument specifies the
       type   of   mutex   that	  will	 be   created.	 Valid	 values	  are:
       PTHREAD_MUTEX_NORMAL	     PTHREAD_MUTEX_DEFAULT	     (default)
       PTHREAD_MUTEX_RECURSIVE PTHREAD_MUTEX_ERRORCHECK

DESCRIPTION
       This  routine  sets  the mutex type attribute that is used to determine
       which  type  of	mutex  is  created  based  on  a  subsequent  call  to
       pthread_mutex_init(3).

RETURN VALUES
       If  an  error  condition	 occurs, this routine returns an integer value
       indicating the type of error. Possible return values  are  as  follows:
       Successful  completion.	 The  value  specified	for  attr  or  type is
       invalid.	 The value specified by attr does not  refer  to  an  existing
       mutex attributes object.

ERRORS
       None

SEE ALSO
       Functions:   pthread_mutexattr_init(3),	 pthread_mutexattr_gettype(3),
       pthread_mutex_init(3)

       Manuals: Guide to DECthreads and Programmer's Guide

						  pthread_mutexattr_settype(3)

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