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module logging
implicit none
integer, parameter::LOG_DEBUG = 8
integer, parameter::LOG_INFO = 6
integer, parameter::LOG_NORMAL = 3
integer, parameter::logunit = 1197
integer::level_threshold
character(len=:), pointer::logfile
!integer::logunit
contains
subroutine initialize(filename, logging_threshold)
implicit none
character(*), intent(in)::filename
integer, intent(in)::logging_threshold
allocate(character(len=len_trim(filename)) :: logfile)
logfile = filename
level_threshold = logging_threshold
end subroutine initialize
subroutine shutdown()
implicit none
deallocate(logfile)
logfile => null()
end subroutine shutdown
subroutine write_log(string, level)
implicit none
character(*), intent(in)::string
integer, intent(in), optional::level
character(12)::pid_text
integer::ierr
if(present(level)) then
if(level > level_threshold) then
return
end if
end if
open(unit=logunit, file=logfile, action="write", &
status="unknown", position="append", iostat=ierr)
! Silently move on if we failed to open the file
if(ierr == 0) then
write(pid_text, '(I8)') getpid()
! GNU Extension... :(
write(logunit, *) fdate()//" ("//trim(adjustl(pid_text))//") :: "//string
close(logunit)
end if
end subroutine write_log
end module logging
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