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https://github.com/saitohirga/WSJT-X.git
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d5bc774641
Also use correct C binding and have compilers determine sizes and offsets. The wsjtx.exe program now owns the decoder shared data that is shared with symspec. It is now in struct dec_data, still a global variable for now but hopefully a MainWindow member variable soon. The struct dec_data (in both C/C++ and Fortran) has a sub structure with the decoder parameters which enables copying and manipulating a lot cleaner. New of changed types of shared data must still be modified in commons.h and a new file lib/jt9com.f90, they must stay in sync as a pointer to the structure is passed between C and Fortran. git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@6290 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
79 lines
2.0 KiB
Fortran
79 lines
2.0 KiB
Fortran
subroutine jt9a()
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use, intrinsic :: iso_c_binding, only: c_f_pointer
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use prog_args
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include 'jt9com.f90'
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! These routines connect the shared memory region to the decoder.
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interface
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function address_jt9()
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use, intrinsic :: iso_c_binding, only: c_ptr
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type(c_ptr) :: address_jt9
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end function address_jt9
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end interface
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integer*1 attach_jt9
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! integer*1 lock_jt9,unlock_jt9
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integer size_jt9
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character*80 cwd
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! Multiple instances:
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character*80 mykey
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type(dec_data), pointer :: shared_data
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type(params_block) :: local_params
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logical fileExists
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common/tracer/limtrace,lu
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! Multiple instances:
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i0 = len(trim(shm_key))
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call getcwd(cwd)
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open(12,file=trim(data_dir)//'/timer.out',status='unknown')
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! open(23,file=trim(data_dir)//'/CALL3.TXT',status='unknown')
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limtrace=0
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! limtrace=-1 !Disable all calls to timer()
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lu=12
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! Multiple instances: set the shared memory key before attaching
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mykey=trim(repeat(shm_key,1))
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i0 = len(mykey)
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i0=setkey_jt9(trim(mykey))
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i1=attach_jt9()
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10 inquire(file=trim(temp_dir)//'/.lock',exist=fileExists)
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if(fileExists) then
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call sleep_msec(100)
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go to 10
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endif
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inquire(file=trim(temp_dir)//'/.quit',exist=fileExists)
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if(fileExists) then
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i1=detach_jt9()
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go to 999
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endif
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if(i1.eq.999999) stop !Silence compiler warning
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nbytes=size_jt9()
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if(nbytes.le.0) then
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print*,'jt9a: Shared memory mem_jt9 does not exist.'
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print*,"Must start 'jt9 -s <thekey>' from within WSJT-X."
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go to 999
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endif
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call c_f_pointer(address_jt9(),shared_data)
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local_params=shared_data%params !save a copy because wsjtx carries on accessing
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call flush(6)
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call timer('decoder ',0)
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call decoder(shared_data%ss,shared_data%id2,local_params,12000)
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call timer('decoder ',1)
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100 inquire(file=trim(temp_dir)//'/.lock',exist=fileExists)
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if(fileExists) go to 10
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call sleep_msec(100)
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go to 100
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999 call timer('decoder ',101)
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return
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end subroutine jt9a
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