DAMASK_EICMD/src/signals.f90

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Fortran
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!--------------------------------------------------------------------------------------------------
!> @author Martin Diehl, Max-Planck-Institut für Eisenforschung GmbH
!> @brief Handling of UNIX signals.
!--------------------------------------------------------------------------------------------------
module signals
use prec
use system_routines
implicit none
private
logical, volatile, public, protected :: &
signals_SIGINT = .false., & !< interrupt signal
signals_SIGUSR1 = .false., & !< 1. user-defined signal
signals_SIGUSR2 = .false. !< 2. user-defined signal
public :: &
signals_init, &
signals_setSIGINT, &
signals_setSIGUSR1, &
signals_setSIGUSR2
contains
!--------------------------------------------------------------------------------------------------
!> @brief Register signal handlers.
!--------------------------------------------------------------------------------------------------
subroutine signals_init()
call signalint_c(c_funloc(catchSIGINT))
call signalusr1_c(c_funloc(catchSIGUSR1))
call signalusr2_c(c_funloc(catchSIGUSR2))
end subroutine signals_init
!--------------------------------------------------------------------------------------------------
!> @brief Set global variable signals_SIGINT to .true.
!> @details This function can be registered to catch signals send to the executable.
!--------------------------------------------------------------------------------------------------
subroutine catchSIGINT(signal) bind(C)
integer(C_INT), value :: signal
print'(a,i0)', ' received signal ',signal
call signals_setSIGINT(.true.)
end subroutine catchSIGINT
!--------------------------------------------------------------------------------------------------
!> @brief Set global variable signals_SIGUSR1 to .true.
!> @details This function can be registered to catch signals send to the executable.
!--------------------------------------------------------------------------------------------------
subroutine catchSIGUSR1(signal) bind(C)
integer(C_INT), value :: signal
print'(a,i0)', ' received signal ',signal
call signals_setSIGUSR1(.true.)
end subroutine catchSIGUSR1
!--------------------------------------------------------------------------------------------------
!> @brief Set global variable signals_SIGUSR2 to .true.
!> @details This function can be registered to catch signals send to the executable.
!--------------------------------------------------------------------------------------------------
subroutine catchSIGUSR2(signal) bind(C)
integer(C_INT), value :: signal
print'(a,i0,a)', ' received signal ',signal
call signals_setSIGUSR2(.true.)
end subroutine catchSIGUSR2
!--------------------------------------------------------------------------------------------------
!> @brief Set global variable signals_SIGINT.
!--------------------------------------------------------------------------------------------------
subroutine signals_setSIGINT(state)
logical, intent(in) :: state
signals_SIGINT = state
print*, 'set SIGINT to',state
end subroutine signals_setSIGINT
!--------------------------------------------------------------------------------------------------
!> @brief Set global variable signals_SIGUSR.
!--------------------------------------------------------------------------------------------------
subroutine signals_setSIGUSR1(state)
logical, intent(in) :: state
signals_SIGUSR1 = state
print*, 'set SIGUSR1 to',state
end subroutine signals_setSIGUSR1
!--------------------------------------------------------------------------------------------------
!> @brief Set global variable signals_SIGUSR2.
!--------------------------------------------------------------------------------------------------
subroutine signals_setSIGUSR2(state)
logical, intent(in) :: state
signals_SIGUSR2 = state
print*, 'set SIGUSR2 to',state
end subroutine signals_setSIGUSR2
end module signals