source: src/libcfa/concurrency/kernel_private.h @ 09800e9

aaron-thesisarm-ehcleanup-dtorsdeferred_resndemanglerjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprnew-envno_listpersistent-indexerwith_gc
Last change on this file since 09800e9 was 09800e9, checked in by Thierry Delisle <tdelisle@…>, 4 years ago

First draft at locks in Cforall

  • Property mode set to 100644
File size: 3.4 KB
Line 
1//
2// Cforall Version 1.0.0 Copyright (C) 2016 University of Waterloo
3//
4// The contents of this file are covered under the licence agreement in the
5// file "LICENCE" distributed with Cforall.
6//
7// kernel_private.h --
8//
9// Author           : Thierry Delisle
10// Created On       : Mon Feb 13 12:27:26 2017
11// Last Modified By : Peter A. Buhr
12// Last Modified On : Thu Mar 29 14:06:40 2018
13// Update Count     : 3
14//
15
16#pragma once
17
18#include "kernel"
19#include "thread"
20
21#include "alarm.h"
22
23
24//-----------------------------------------------------------------------------
25// Scheduler
26
27extern "C" {
28        void disable_interrupts();
29        void enable_interrupts_noPoll();
30        void enable_interrupts( __cfaabi_dbg_ctx_param );
31}
32
33void ScheduleThread( thread_desc * );
34static inline void WakeThread( thread_desc * thrd ) {
35        if( !thrd ) return;
36
37        disable_interrupts();
38        ScheduleThread( thrd );
39        enable_interrupts( __cfaabi_dbg_ctx );
40}
41thread_desc * nextThread(cluster * this);
42
43//Block current thread and release/wake-up the following resources
44void BlockInternal(void);
45void BlockInternal(__spinlock_t * lock);
46void BlockInternal(thread_desc * thrd);
47void BlockInternal(__spinlock_t * lock, thread_desc * thrd);
48void BlockInternal(__spinlock_t * locks [], unsigned short count);
49void BlockInternal(__spinlock_t * locks [], unsigned short count, thread_desc * thrds [], unsigned short thrd_count);
50void BlockInternal(__finish_callback_fptr_t callback);
51void LeaveThread(__spinlock_t * lock, thread_desc * thrd);
52
53//-----------------------------------------------------------------------------
54// Processor
55void main(processorCtx_t *);
56void start(processor * this);
57void runThread(processor * this, thread_desc * dst);
58void finishRunning(processor * this);
59void terminate(processor * this);
60void spin(processor * this, unsigned int * spin_count);
61
62struct event_kernel_t {
63        alarm_list_t alarms;
64        __spinlock_t lock;
65};
66
67extern event_kernel_t * event_kernel;
68
69//extern thread_local coroutine_desc * volatile this_coroutine;
70//extern thread_local thread_desc *    volatile this_thread;
71//extern thread_local processor *      volatile this_processor;
72
73// extern volatile thread_local bool preemption_in_progress;
74// extern volatile thread_local bool preemption_enabled;
75// extern volatile thread_local unsigned short disable_preempt_count;
76
77struct __cfa_kernel_preemption_state_t {
78        bool enabled;
79        bool in_progress;
80        unsigned short disable_count;
81};
82
83extern volatile thread_local __cfa_kernel_preemption_state_t preemption_state;
84
85//-----------------------------------------------------------------------------
86// Threads
87extern "C" {
88      forall(dtype T | is_thread(T))
89      void CtxInvokeThread(T * this);
90}
91
92extern void ThreadCtxSwitch(coroutine_desc * src, coroutine_desc * dst);
93
94__cfaabi_dbg_debug_do(
95        extern void __cfaabi_dbg_thread_register  ( thread_desc * thrd );
96        extern void __cfaabi_dbg_thread_unregister( thread_desc * thrd );
97)
98
99//-----------------------------------------------------------------------------
100// Utils
101#define KERNEL_STORAGE(T,X) static char storage_##X[sizeof(T)]
102
103
104void doregister( struct cluster & cltr );
105void unregister( struct cluster & cltr );
106
107void doregister( struct cluster * cltr, struct thread_desc & thrd );
108void unregister( struct cluster * cltr, struct thread_desc & thrd );
109
110void doregister( struct cluster * cltr, struct processor * proc );
111void unregister( struct cluster * cltr, struct processor * proc );
112
113// Local Variables: //
114// mode: c //
115// tab-width: 4 //
116// End: //
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