source: src/libcfa/concurrency/kernel_private.h @ 6b4cdd3

aaron-thesisarm-ehcleanup-dtorsdeferred_resndemanglerjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprnew-envno_listpersistent-indexerwith_gc
Last change on this file since 6b4cdd3 was 6b4cdd3, checked in by Thierry Delisle <tdelisle@…>, 4 years ago

Added basic core quiescing

  • Property mode set to 100644
File size: 3.5 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 halt(processor * this);
60void wake(processor * this);
61void terminate(processor * this);
62void spin(processor * this, unsigned int * spin_count);
63
64struct event_kernel_t {
65        alarm_list_t alarms;
66        __spinlock_t lock;
67};
68
69extern event_kernel_t * event_kernel;
70
71//extern thread_local coroutine_desc * volatile this_coroutine;
72//extern thread_local thread_desc *    volatile this_thread;
73//extern thread_local processor *      volatile this_processor;
74
75// extern volatile thread_local bool preemption_in_progress;
76// extern volatile thread_local bool preemption_enabled;
77// extern volatile thread_local unsigned short disable_preempt_count;
78
79struct __cfa_kernel_preemption_state_t {
80        bool enabled;
81        bool in_progress;
82        unsigned short disable_count;
83};
84
85extern volatile thread_local __cfa_kernel_preemption_state_t preemption_state;
86
87//-----------------------------------------------------------------------------
88// Threads
89extern "C" {
90      forall(dtype T | is_thread(T))
91      void CtxInvokeThread(T * this);
92}
93
94extern void ThreadCtxSwitch(coroutine_desc * src, coroutine_desc * dst);
95
96__cfaabi_dbg_debug_do(
97        extern void __cfaabi_dbg_thread_register  ( thread_desc * thrd );
98        extern void __cfaabi_dbg_thread_unregister( thread_desc * thrd );
99)
100
101//-----------------------------------------------------------------------------
102// Utils
103#define KERNEL_STORAGE(T,X) static char storage_##X[sizeof(T)]
104
105
106void doregister( struct cluster & cltr );
107void unregister( struct cluster & cltr );
108
109void doregister( struct cluster * cltr, struct thread_desc & thrd );
110void unregister( struct cluster * cltr, struct thread_desc & thrd );
111
112void doregister( struct cluster * cltr, struct processor * proc );
113void unregister( struct cluster * cltr, struct processor * proc );
114
115// Local Variables: //
116// mode: c //
117// tab-width: 4 //
118// End: //
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