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+.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved 
+.TH "PTHREAD_MUTEXATTR_GETPSHARED" P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual"
+.\" pthread_mutexattr_getpshared 
+.SH NAME
+pthread_mutexattr_getpshared, pthread_mutexattr_setpshared \- get and
+set the process\-shared attribute
+.SH SYNOPSIS
+.LP
+\fB#include <pthread.h>
+.br
+.sp
+int pthread_mutexattr_getpshared(const pthread_mutexattr_t *
+.br
+\ \ \ \ \ \  restrict\fP \fIattr\fP\fB, int *restrict\fP \fIpshared\fP\fB);
+.br
+int pthread_mutexattr_setpshared(pthread_mutexattr_t *\fP\fIattr\fP\fB,
+.br
+\ \ \ \ \ \  int\fP \fIpshared\fP\fB); \fP
+\fB
+.br
+\fP
+.SH DESCRIPTION
+.LP
+The \fIpthread_mutexattr_getpshared\fP() function shall obtain the
+value of the \fIprocess-shared\fP attribute from the
+attributes object referenced by \fIattr\fP. The \fIpthread_mutexattr_setpshared\fP()
+function shall set the \fIprocess-shared\fP
+attribute in an initialized attributes object referenced by \fIattr\fP.
+.LP
+The \fIprocess-shared\fP attribute is set to PTHREAD_PROCESS_SHARED
+to permit a mutex to be operated upon by any thread that
+has access to the memory where the mutex is allocated, even if the
+mutex is allocated in memory that is shared by multiple
+processes. If the \fIprocess-shared\fP attribute is PTHREAD_PROCESS_PRIVATE,
+the mutex shall only be operated upon by threads
+created within the same process as the thread that initialized the
+mutex; if threads of differing processes attempt to operate on
+such a mutex, the behavior is undefined. The default value of the
+attribute shall be PTHREAD_PROCESS_PRIVATE.
+.SH RETURN VALUE
+.LP
+Upon successful completion, \fIpthread_mutexattr_setpshared\fP() shall
+return zero; otherwise, an error number shall be
+returned to indicate the error.
+.LP
+Upon successful completion, \fIpthread_mutexattr_getpshared\fP() shall
+return zero and store the value of the
+\fIprocess-shared\fP attribute of \fIattr\fP into the object referenced
+by the \fIpshared\fP parameter. Otherwise, an error
+number shall be returned to indicate the error.
+.SH ERRORS
+.LP
+The \fIpthread_mutexattr_getpshared\fP() and \fIpthread_mutexattr_setpshared\fP()
+functions may fail if:
+.TP 7
+.B EINVAL
+The value specified by \fIattr\fP is invalid.
+.sp
+.LP
+The \fIpthread_mutexattr_setpshared\fP() function may fail if:
+.TP 7
+.B EINVAL
+The new value specified for the attribute is outside the range of
+legal values for that attribute.
+.sp
+.LP
+These functions shall not return an error code of [EINTR].
+.LP
+\fIThe following sections are informative.\fP
+.SH EXAMPLES
+.LP
+None.
+.SH APPLICATION USAGE
+.LP
+None.
+.SH RATIONALE
+.LP
+None.
+.SH FUTURE DIRECTIONS
+.LP
+None.
+.SH SEE ALSO
+.LP
+\fIpthread_cond_destroy\fP() , \fIpthread_create\fP() , \fIpthread_mutex_destroy\fP()
+, \fIpthread_mutexattr_destroy\fP() , the Base Definitions volume
+of
+IEEE\ Std\ 1003.1-2001, \fI<pthread.h>\fP
+.SH COPYRIGHT
+Portions of this text are reprinted and reproduced in electronic form
+from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
+-- Portable Operating System Interface (POSIX), The Open Group Base
+Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
+Electrical and Electronics Engineers, Inc and The Open Group. In the
+event of any discrepancy between this version and the original IEEE and
+The Open Group Standard, the original IEEE and The Open Group Standard
+is the referee document. The original Standard can be obtained online at
+http://www.opengroup.org/unix/online.html .