| 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 | #if defined( __CFA_WITH_VERIFY__ )
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| 42 | canary = 0x0D15EA5E0D15EA5E;
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| 43 | #endif
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| 44 |
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| 45 | node.next = 0p;
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| 46 | node.prev = 0p;
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| 47 | doregister(curr_cluster, this);
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| 48 |
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| 49 | monitors{ &self_mon_p, 1, (fptr_t)0 };
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| 50 | }
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| 51 |
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| 52 | void ^?{}($thread& this) with( this ) {
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| 53 | #if defined( __CFA_WITH_VERIFY__ )
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| 54 | canary = 0xDEADDEADDEADDEAD;
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| 55 | #endif
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| 56 | unregister(curr_cluster, this);
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| 57 | ^self_cor{};
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| 58 | }
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| 59 |
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| 60 | //-----------------------------------------------------------------------------
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| 61 | // Starting and stopping threads
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| 62 | forall( dtype T | is_thread(T) )
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| 63 | void __thrd_start( T & this, void (*main_p)(T &) ) {
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| 64 | $thread * this_thrd = get_thread(this);
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| 65 |
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| 66 | disable_interrupts();
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| 67 | __cfactx_start(main_p, get_coroutine(this), this, __cfactx_invoke_thread);
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| 68 |
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| 69 | this_thrd->context.[SP, FP] = this_thrd->self_cor.context.[SP, FP];
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| 70 | verify( this_thrd->context.SP );
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| 71 |
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| 72 | __schedule_thread( (__processor_id_t *)kernelTLS.this_processor, this_thrd);
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| 73 | enable_interrupts( __cfaabi_dbg_ctx );
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| 74 | }
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| 75 |
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| 76 | //-----------------------------------------------------------------------------
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| 77 | // Support for threads that don't ues the thread keyword
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| 78 | forall( dtype T | sized(T) | is_thread(T) | { void ?{}(T&); } )
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| 79 | void ?{}( scoped(T)& this ) with( this ) {
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| 80 | handle{};
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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, ttype P | sized(T) | is_thread(T) | { void ?{}(T&, P); } )
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| 85 | void ?{}( scoped(T)& this, P params ) with( this ) {
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| 86 | handle{ params };
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| 87 | __thrd_start(handle, main);
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| 88 | }
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| 89 |
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| 90 | forall( dtype T | sized(T) | is_thread(T) )
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| 91 | void ^?{}( scoped(T)& this ) with( this ) {
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| 92 | ^handle{};
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| 93 | }
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| 94 |
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| 95 | // Local Variables: //
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| 96 | // mode: c //
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| 97 | // tab-width: 4 //
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| 98 | // End: //
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