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openmpi/oshmem/shmem/man/man3/shmem_barrier_all.3in
Igor Ivanov ea7c86c9b4 oshmem: Add man3 pages
These man pages to OpenSHMEM API are received from openshmem.org
and ported with minimum modifications.
Thanks Tony Curtis for sharing man files.

Signed-off-by: Igor Ivanov <Igor.Ivanov@itseez.com>
2015-08-25 12:52:35 +03:00

60 строки
1.1 KiB
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.\" -*- nroff -*-
.\" Copyright (c) 2015 University of Houston. All rights reserved.
.\" Copyright (c) 2015 Mellanox Technologies, Inc.
.\" $COPYRIGHT$
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.TH "SHMEM\\_BARRIER\\_ALL" "3" "#OMPI_DATE#" "#PACKAGE_VERSION#" "#PACKAGE_NAME#"
.SH NAME
shmem_barrier_all \- Suspends the execution of the calling PE until all other PEs issue a call
to this particular shmem_barrier_all() statement.
.SH SYNOPSIS
C or C++:
.Vb
#include <mpp/shmem.h>
void shmem_barrier_all(void);
.Ve
Fortran:
.Vb
include 'mpp/shmem.h'
CALL SHMEM_BARRIER_ALL
.Ve
.SH DESCRIPTION
The shmem_barrier_all routine does not return until all other PEs have entered this routine
at the same point of the execution path.
.PP
Prior to synchronizing with other PEs, shmem_barrier_all ensures completion of all
previously issued local memory stores and remote memory updates issued via SHMEM
functions such as \fIshmem_put32\fP(3)\&.
.PP
.SH EXAMPLES
.Vb
setup_data()
{
if (_my_pe() == 0) {
setup();
}
/* All PEs wait for PE 0 to complete setup(). */
shmem_barrier_all();
}
.Ve
.PP
.SH SEE ALSO
\fIshmem_barrier\fP(3),
\fIstart_pes\fP(3)