| 1 | // | 
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| 2 | // Cforall Version 1.0.0 Copyright (C) 2016 University of Waterloo | 
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| 3 | // | 
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| 4 | // The contents of this file are covered under the licence agreement in the | 
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| 5 | // file "LICENCE" distributed with Cforall. | 
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| 6 | // | 
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| 7 | // thread.c -- | 
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| 8 | // | 
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| 9 | // Author           : Thierry Delisle | 
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| 10 | // Created On       : Tue Jan 17 12:27:26 2017 | 
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| 11 | // Last Modified By : Peter A. Buhr | 
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| 12 | // Last Modified On : Wed Dec  4 09:17:49 2019 | 
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| 13 | // Update Count     : 9 | 
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| 14 | // | 
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| 15 |  | 
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| 16 | #define __cforall_thread__ | 
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| 17 |  | 
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| 18 | #include "thread.hfa" | 
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| 19 |  | 
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| 20 | #include "kernel_private.hfa" | 
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| 21 |  | 
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| 22 | #define __CFA_INVOKE_PRIVATE__ | 
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| 23 | #include "invoke.h" | 
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| 24 |  | 
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| 25 | //----------------------------------------------------------------------------- | 
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| 26 | // Thread ctors and dtors | 
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| 27 | void ?{}($thread & this, const char * const name, cluster & cl, void * storage, size_t storageSize ) with( this ) { | 
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| 28 | context{ 0p, 0p }; | 
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| 29 | self_cor{ name, storage, storageSize }; | 
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| 30 | ticket = 1; | 
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| 31 | state = Start; | 
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| 32 | preempted = __NO_PREEMPTION; | 
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| 33 | curr_cor = &self_cor; | 
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| 34 | self_mon.owner = &this; | 
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| 35 | self_mon.recursion = 1; | 
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| 36 | self_mon_p = &self_mon; | 
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| 37 | curr_cluster = &cl; | 
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| 38 | link.next = 0p; | 
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| 39 | link.prev = 0p; | 
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| 40 | link.preferred = -1; | 
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| 41 |  | 
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| 42 | node.next = 0p; | 
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| 43 | node.prev = 0p; | 
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| 44 | doregister(curr_cluster, this); | 
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| 45 |  | 
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| 46 | monitors{ &self_mon_p, 1, (fptr_t)0 }; | 
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| 47 | } | 
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| 48 |  | 
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| 49 | void ^?{}($thread& this) with( this ) { | 
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| 50 | unregister(curr_cluster, this); | 
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| 51 | ^self_cor{}; | 
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| 52 | } | 
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| 53 |  | 
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| 54 | //----------------------------------------------------------------------------- | 
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| 55 | // Starting and stopping threads | 
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| 56 | forall( dtype T | is_thread(T) ) | 
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| 57 | void __thrd_start( T & this, void (*main_p)(T &) ) { | 
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| 58 | $thread * this_thrd = get_thread(this); | 
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| 59 |  | 
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| 60 | disable_interrupts(); | 
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| 61 | __cfactx_start(main_p, get_coroutine(this), this, __cfactx_invoke_thread); | 
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| 62 |  | 
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| 63 | this_thrd->context.[SP, FP] = this_thrd->self_cor.context.[SP, FP]; | 
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| 64 | verify( this_thrd->context.SP ); | 
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| 65 |  | 
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| 66 | __schedule_thread( (__processor_id_t *)kernelTLS.this_processor, this_thrd); | 
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| 67 | enable_interrupts( __cfaabi_dbg_ctx ); | 
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| 68 | } | 
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| 69 |  | 
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| 70 | //----------------------------------------------------------------------------- | 
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| 71 | // Support for threads that don't ues the thread keyword | 
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| 72 | forall( dtype T | sized(T) | is_thread(T) | { void ?{}(T&); } ) | 
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| 73 | void ?{}( scoped(T)& this ) with( this ) { | 
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| 74 | handle{}; | 
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| 75 | __thrd_start(handle, main); | 
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| 76 | } | 
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| 77 |  | 
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| 78 | forall( dtype T, ttype P | sized(T) | is_thread(T) | { void ?{}(T&, P); } ) | 
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| 79 | void ?{}( scoped(T)& this, P params ) with( this ) { | 
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| 80 | handle{ params }; | 
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| 81 | __thrd_start(handle, main); | 
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| 82 | } | 
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| 83 |  | 
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| 84 | forall( dtype T | sized(T) | is_thread(T) ) | 
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| 85 | void ^?{}( scoped(T)& this ) with( this ) { | 
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| 86 | ^handle{}; | 
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| 87 | } | 
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| 88 |  | 
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| 89 | // Local Variables: // | 
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| 90 | // mode: c // | 
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| 91 | // tab-width: 4 // | 
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| 92 | // End: // | 
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