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jmc |
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C $Header: /u/gcmpack/MITgcm/eesupp/src/master_cpu_io.F,v 1.2 2009/01/09 22:51:12 jmc Exp $ |
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jmc |
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C $Name: $ |
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#include "CPP_EEOPTIONS.h" |
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CBOP |
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C !ROUTINE: MASTER_CPU_IO |
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C !INTERFACE: |
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LOGICAL FUNCTION MASTER_CPU_IO( myThid ) |
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C !DESCRIPTION: |
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C return TRUE if master thread, and if using SingleCPUIO, |
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C if master CPU & master thread |
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C !USES: |
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IMPLICIT NONE |
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C Global variables |
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#include "SIZE.h" |
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#include "EEPARAMS.h" |
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#ifdef ALLOW_USE_MPI |
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jmc |
1.3 |
# include "PARAMS.h" |
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jmc |
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#endif |
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C !INPUT/OUTPUT PARAMETERS: |
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jmc |
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C myThid :: my Thread Id number |
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jmc |
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C MASTER_CPU_IO :: true if master thread |
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C and, if using SingleCPUIOS, if master CPU |
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INTEGER myThid |
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CEOP |
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C !LOCAL VARIABLES: |
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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MASTER_CPU_IO = .FALSE. |
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#ifdef ALLOW_USE_MPI |
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jmc |
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IF ( .NOT.useSingleCPUIO .OR. myProcId.EQ.0 ) THEN |
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jmc |
1.1 |
_BEGIN_MASTER( myThid ) |
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MASTER_CPU_IO = .TRUE. |
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_END_MASTER( myThid ) |
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ENDIF |
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#else /* ALLOW_USE_MPI */ |
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_BEGIN_MASTER( myThid ) |
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MASTER_CPU_IO = .TRUE. |
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_END_MASTER( myThid ) |
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#endif /* ALLOW_USE_MPI */ |
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RETURN |
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END |
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