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https://github.com/saitohirga/WSJT-X.git
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174936fe37
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/map65@1298 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
55 lines
1.2 KiB
Fortran
55 lines
1.2 KiB
Fortran
subroutine cs_init
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character*12 csub0
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common/mtxcom/ltrace,mtx,mtxstate,csub0
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ltrace=0
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mtxstate=0
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csub0='**unlocked**'
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call fthread_mutex_init(mtx)
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return
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end subroutine cs_init
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subroutine cs_destroy
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character*12 csub0
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common/mtxcom/ltrace,mtx,mtxstate,csub0
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call fthread_mutex_destroy(mtx)
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return
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end subroutine cs_destroy
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subroutine th_create(sub)
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call fthread_create(sub,id)
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return
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end subroutine th_create
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subroutine th_exit
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call fthread_exit
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return
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end subroutine th_exit
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subroutine cs_lock(csub)
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character*(*) csub
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character*12 csub0
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integer fthread_mutex_lock,fthread_mutex_trylock
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common/mtxcom/ltrace,mtx,mtxstate,csub0
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n=fthread_mutex_trylock(mtx)
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if(n.ne.0) then
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! Another thread has already locked the mutex
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n=fthread_mutex_lock(mtx)
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iz=index(csub0,' ')
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if(ltrace.ge.1) print*,'"',csub,'" requested mutex when "', &
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csub0(:iz-1),'" owned it.'
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endif
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mtxstate=1
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csub0=csub
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if(ltrace.ge.3) print*,'Mutex locked by ',csub
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return
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end subroutine cs_lock
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subroutine cs_unlock
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character*12 csub0
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common/mtxcom/ltrace,mtx,mtxstate,csub0
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if(ltrace.ge.3) print*,'Mutex unlocked,',ltrace,mtx,mtxstate,csub0
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mtxstate=0
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call fthread_mutex_unlock(mtx)
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return
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end subroutine cs_unlock
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