[62] | 1 | !--------------------------------------------------------------! |
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| 2 | ! 2012/04/20 (C) Gabriel Moreau |
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| 3 | ! Licence LGPLv2 or letter |
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[68] | 4 | ! $Id: signal_checkpoint.F90 68 2012-05-22 12:30:57Z g7moreau $ |
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[62] | 5 | !--------------------------------------------------------------! |
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| 6 | |
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| 7 | module Signal_Checkpoint |
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| 8 | |
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| 9 | #ifdef __INTEL_COMPILER |
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| 10 | use IFPORT, only: signal |
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| 11 | #endif |
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| 12 | |
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| 13 | implicit none |
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| 14 | private |
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| 15 | |
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| 16 | integer, external :: signal_checkpoint_trap_callback_intel_ |
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| 17 | external :: signal_checkpoint_trap_callback_gfortran_ |
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| 18 | |
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[67] | 19 | integer, parameter :: SIGHUP = 1 ! Signal HUP |
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| 20 | integer, parameter :: SIGINT = 2 ! Signal INT |
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| 21 | integer, parameter :: SIGQUIT = 3 ! Signal QUIT |
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| 22 | integer, parameter :: SIGUSR1 = 10 ! Signal USR1 |
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[64] | 23 | integer, parameter :: SIGUSR2 = 12 ! Signal USR2 |
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[67] | 24 | integer, parameter :: SIGTERM = 15 ! Signal TERM |
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[62] | 25 | |
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[64] | 26 | ! False public, only for trap procedure |
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[62] | 27 | integer, public :: INTERNAL_RECEIVED_COUNT_ = 0 ! Global Counter |
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| 28 | |
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[67] | 29 | public :: SIGHUP |
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| 30 | public :: SIGINT |
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| 31 | public :: SIGQUIT |
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| 32 | public :: SIGUSR1 |
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[62] | 33 | public :: SIGUSR2 |
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[67] | 34 | public :: SIGTERM |
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[62] | 35 | public :: signal_checkpoint_connect |
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| 36 | public :: signal_checkpoint_is_received |
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| 37 | public :: signal_checkpoint_received_times |
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| 38 | |
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| 39 | !--------------------------------------------------------------! |
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| 40 | contains |
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| 41 | !--------------------------------------------------------------! |
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| 42 | |
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| 43 | subroutine signal_checkpoint_connect (SIG_NUM) |
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[63] | 44 | integer, intent(in) :: SIG_NUM |
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[62] | 45 | |
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| 46 | #ifdef __INTEL_COMPILER |
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[63] | 47 | integer :: ERR |
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[62] | 48 | |
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[63] | 49 | ERR = signal(SIG_NUM, signal_checkpoint_trap_callback_intel_, -1) |
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[62] | 50 | #endif |
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[64] | 51 | |
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[62] | 52 | #ifdef __GNUC__ |
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[64] | 53 | intrinsic signal |
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| 54 | |
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[63] | 55 | call signal(SIG_NUM, signal_checkpoint_trap_callback_gfortran_) |
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[62] | 56 | #endif |
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| 57 | |
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| 58 | end subroutine |
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| 59 | |
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| 60 | !--------------------------------------------------------------! |
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[64] | 61 | |
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[62] | 62 | function signal_checkpoint_is_received () result (IS_RECEIVED) |
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| 63 | logical :: IS_RECEIVED |
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| 64 | |
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| 65 | IS_RECEIVED = (INTERNAL_RECEIVED_COUNT_ > 0) |
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| 66 | end function |
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| 67 | |
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| 68 | !--------------------------------------------------------------! |
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[64] | 69 | |
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[62] | 70 | function signal_checkpoint_received_times () result (RECEIVED_TIMES) |
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| 71 | integer :: RECEIVED_TIMES |
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| 72 | |
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| 73 | RECEIVED_TIMES = INTERNAL_RECEIVED_COUNT_ |
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| 74 | end function |
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| 75 | |
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| 76 | !--------------------------------------------------------------! |
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| 77 | end module |
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| 78 | !--------------------------------------------------------------! |
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| 79 | |
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| 80 | |
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| 81 | !--------------------------------------------------------------! |
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| 82 | ! Internal trap procedure and function |
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| 83 | ! Must be external to be C compatible |
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| 84 | !--------------------------------------------------------------! |
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| 85 | |
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| 86 | subroutine signal_checkpoint_trap_callback_gfortran_ (SIG_NUM) |
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[63] | 87 | use Signal_Checkpoint |
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| 88 | integer, intent(in) :: SIG_NUM |
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[62] | 89 | |
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[63] | 90 | INTERNAL_RECEIVED_COUNT_ = INTERNAL_RECEIVED_COUNT_ + 1 |
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[62] | 91 | end subroutine |
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| 92 | |
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[64] | 93 | !--------------------------------------------------------------! |
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| 94 | |
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[62] | 95 | function signal_checkpoint_trap_callback_intel_ (SIG_NUM) result (ONE) |
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[63] | 96 | use Signal_Checkpoint |
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| 97 | integer, intent(in) :: SIG_NUM |
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| 98 | integer :: ONE |
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[62] | 99 | |
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[63] | 100 | INTERNAL_RECEIVED_COUNT_ = INTERNAL_RECEIVED_COUNT_ + 1 |
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| 101 | ONE = 1 |
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[62] | 102 | end |
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[64] | 103 | |
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| 104 | !--------------------------------------------------------------! |
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| 105 | !--------------------------------------------------------------! |
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