77 строки
1.8 KiB
Plaintext
77 строки
1.8 KiB
Plaintext
.\" -*- nroff -*-
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.\" Copyright (c) 2015 University of Houston. All rights reserved.
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.\" Copyright (c) 2015 Mellanox Technologies, Inc.
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.\" $COPYRIGHT$
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.de Vb
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.ft CW
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.nf
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..
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.de Ve
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.ft R
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.fi
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..
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.TH "SHMEM\\_FINC" "3" "#OMPI_DATE#" "#PACKAGE_VERSION#" "#PACKAGE_NAME#"
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.SH NAME
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\fIshmem_int4_finc\fP(3),
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\fIshmem_int8_finc\fP(3),
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\fIshmem_int_finc\fP(3),
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\fIshmem_long_finc\fP(3),
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\fIshmem_longlong_finc\fP(3)
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\- Performs an atomic fetch\-and\-increment operation on a remote data object
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.SH SYNOPSIS
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C or C++:
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.Vb
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#include <mpp/shmem.h>
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int shmem_int_finc(int *target, int pe);
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long shmem_long_finc(long *target, int pe);
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long long shmem_longlong_finc(long long *target, int pe);
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.Ve
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Fortran:
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.Vb
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INCLUDE "mpp/shmem.fh"
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INTEGER pe
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INTEGER(KIND=4) SHMEM_INT4_FINC, target4
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INTEGER(KIND=8) SHMEM_INT8_FINC, target8
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ires4 = SHMEM_INT4_FINC(target4, pe)
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ires8 = SHMEM_INT8_FINC(target8, pe)
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.Ve
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.SH DESCRIPTION
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The fetch and increment routines retrieve the value at address \fBtarget\fP
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on PE
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\fBpe\fP,
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and update \fBtarget\fP
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with the result of incrementing the retrieved value by
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one. The operation must be completed without the possibility of another process updating
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\fBtarget\fP
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between the time of the fetch and the update.
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.PP
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The arguments are as follows:
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.TP
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target
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The remotely accessible integer data object to be updated on the remote PE. The
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type of target should match that implied in the SYNOPSIS section.
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.TP
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pe
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An integer that indicates the PE number upon which target is to be updated. If you
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are using Fortran, it must be a default integer value.
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.PP
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.SH NOTES
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The term remotely accessible is defined in \fIintro_shmem\fP(3)\&.
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.SH RETURN VALUES
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The contents that had been at the target address on the remote PE prior to the increment.
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.SH SEE ALSO
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\fIintro_shmem\fP(3)
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