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annotate libgomp/testsuite/libgomp.fortran/appendix-a/a.39.1.f90 @ 0:a06113de4d67

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author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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1 ! { dg-do run }
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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2
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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3 SUBROUTINE SKIP(ID)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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4 END SUBROUTINE SKIP
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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5 SUBROUTINE WORK(ID)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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6 END SUBROUTINE WORK
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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7 PROGRAM A39
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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8 INCLUDE "omp_lib.h" ! or USE OMP_LIB
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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9 INTEGER(OMP_LOCK_KIND) LCK
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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10 INTEGER ID
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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11 CALL OMP_INIT_LOCK(LCK)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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12 !$OMP PARALLEL SHARED(LCK) PRIVATE(ID)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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13 ID = OMP_GET_THREAD_NUM()
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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14 CALL OMP_SET_LOCK(LCK)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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15 PRINT *, "My thread id is ", ID
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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16 CALL OMP_UNSET_LOCK(LCK)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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17 DO WHILE (.NOT. OMP_TEST_LOCK(LCK))
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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18 CALL SKIP(ID) ! We do not yet have the lock
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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19 ! so we must do something else
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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20 END DO
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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21 CALL WORK(ID) ! We now have the lock
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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22 ! and can do the work
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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23 CALL OMP_UNSET_LOCK( LCK )
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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24 !$OMP END PARALLEL
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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25 CALL OMP_DESTROY_LOCK( LCK )
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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26 END PROGRAM A39