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