source: src/libcfa/concurrency/kernel_private.h @ d8548e2

aaron-thesisarm-ehcleanup-dtorsdeferred_resndemanglerenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprnew-envno_listpersistent-indexerresolv-newwith_gc
Last change on this file since d8548e2 was d8548e2, checked in by Thierry Delisle <tdelisle@…>, 4 years ago

Fixed preemption and changed default_preemption to use cfa_time_t

  • Property mode set to 100644
File size: 3.1 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 : Sat Jul 22 09:58:09 2017
13// Update Count     : 2
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 LeaveThread(__spinlock_t * lock, thread_desc * thrd);
51
52//-----------------------------------------------------------------------------
53// Processor
54coroutine processorCtx_t {
55        processor * proc;
56};
57
58void main(processorCtx_t *);
59void start(processor * this);
60void runThread(processor * this, thread_desc * dst);
61void finishRunning(processor * this);
62void terminate(processor * this);
63void spin(processor * this, unsigned int * spin_count);
64
65struct event_kernel_t {
66        alarm_list_t alarms;
67        __spinlock_t lock;
68};
69
70extern event_kernel_t * event_kernel;
71
72extern thread_local coroutine_desc * volatile this_coroutine;
73extern thread_local thread_desc *    volatile this_thread;
74extern thread_local processor *      volatile this_processor;
75
76// extern volatile thread_local bool preemption_in_progress;
77// extern volatile thread_local bool preemption_enabled;
78// extern volatile thread_local unsigned short disable_preempt_count;
79
80struct __cfa_kernel_preemption_state_t {
81        bool enabled;
82        bool in_progress;
83        unsigned short disable_count;
84};
85
86extern volatile thread_local __cfa_kernel_preemption_state_t preemption_state;
87
88//-----------------------------------------------------------------------------
89// Threads
90extern "C" {
91      forall(dtype T | is_thread(T))
92      void CtxInvokeThread(T * this);
93}
94
95extern void ThreadCtxSwitch(coroutine_desc * src, coroutine_desc * dst);
96
97__cfaabi_dbg_debug_do(
98        extern void __cfaabi_dbg_thread_register  ( thread_desc * thrd );
99        extern void __cfaabi_dbg_thread_unregister( thread_desc * thrd );
100)
101
102//-----------------------------------------------------------------------------
103// Utils
104#define KERNEL_STORAGE(T,X) static char storage_##X[sizeof(T)]
105
106// Local Variables: //
107// mode: c //
108// tab-width: 4 //
109// End: //
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