source: src/libcfa/concurrency/threads.c @ e15df4c

aaron-thesisarm-ehcleanup-dtorsdeferred_resndemanglerjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprnew-envno_listpersistent-indexerresolv-newwith_gc
Last change on this file since e15df4c was e15df4c, checked in by Thierry Delisle <tdelisle@…>, 5 years ago

Renamed thread to scoped and thread_h to thread

  • Property mode set to 100644
File size: 2.7 KB
Line 
1//                              -*- Mode: CFA -*-
2//
3// Cforall Version 1.0.0 Copyright (C) 2016 University of Waterloo
4//
5// The contents of this file are covered under the licence agreement in the
6// file "LICENCE" distributed with Cforall.
7//
8// threads.c --
9//
10// Author           : Thierry Delisle
11// Created On       : Tue Jan 17 12:27:26 2016
12// Last Modified By : Thierry Delisle
13// Last Modified On : --
14// Update Count     : 0
15//
16
17#include "threads"
18
19#include "kernel"
20#include "libhdr.h"
21
22#define __CFA_INVOKE_PRIVATE__
23#include "invoke.h"
24
25extern "C" {
26        #include <stddef.h>
27}
28
29extern processor * get_this_processor();
30
31//-----------------------------------------------------------------------------
32// Forward declarations
33forall( dtype T | sized(T) | is_thread(T) )
34void start( T* this );
35
36forall( dtype T | sized(T) | is_thread(T) )
37void stop( T* this );
38
39//-----------------------------------------------------------------------------
40// Thread ctors and dtors
41
42void ?{}(thread* this) {
43        (&this->c){};
44        this->c.name = "Anonymous Coroutine";
45        (&this->lock){};
46        this->next = NULL;
47}
48
49void ^?{}(thread* this) {
50        ^(&this->c){};
51}
52
53forall( dtype T | sized(T) | is_thread(T) | { void ?{}(T*); } )
54void ?{}( scoped(T)* this ) {
55        (&this->handle){};
56        start(&this->handle);
57}
58
59forall( dtype T, ttype P | sized(T) | is_thread(T) | { void ?{}(T*, P); } )
60void ?{}( scoped(T)* this, P params ) {
61        (&this->handle){ params };
62        start(&this->handle);
63}
64
65forall( dtype T | sized(T) | is_thread(T) | { void ^?{}(T*); } )
66void ^?{}( scoped(T)* this ) {
67        stop(&this->handle);
68        ^(&this->handle){};
69}
70
71//-----------------------------------------------------------------------------
72// Starting and stopping threads
73extern "C" {
74      forall(dtype T | is_thread(T))
75      void CtxInvokeThread(T * this);
76}
77
78extern void thread_schedule( thread * );
79
80forall( dtype T | sized(T) | is_thread(T) )
81void start( T* this ) {
82        coroutine* thrd_c = get_coroutine(this);
83        thread*  thrd_h = get_thread   (this);
84        thrd_c->last = this_coroutine();
85        get_this_processor()->current_coroutine = thrd_c;
86
87        // LIB_DEBUG_PRINTF("Thread start : %p (t %p, c %p)\n", handle, thrd_c, thrd_h);
88
89        create_stack(&thrd_c->stack, thrd_c->stack.size);
90        CtxStart(this, CtxInvokeThread);
91        CtxSwitch( thrd_c->last->stack.context, thrd_c->stack.context );
92
93        thread_schedule(thrd_h);
94}
95
96forall( dtype T | sized(T) | is_thread(T) )
97void stop( T* this ) {
98        thread*  thrd = get_thread(this);
99        if( thrd->c.notHalted ) {
100                lock( &thrd->lock );
101        }
102}
103
104void signal_termination( thread * this ) {
105        this->c.state = Halt;
106      this->c.notHalted = false;
107        unlock( &this->lock );
108}
109
110void yield( void ) {
111        thread_schedule( this_thread() );
112        suspend();
113}
114
115// Local Variables: //
116// mode: c //
117// tab-width: 4 //
118// End: //
Note: See TracBrowser for help on using the repository browser.