source: src/libcfa/concurrency/kernel_private.h@ 93401f8

ADT aaron-thesis arm-eh ast-experimental cleanup-dtors deferred_resn demangler enum forall-pointer-decay jacob/cs343-translation jenkins-sandbox new-ast new-ast-unique-expr new-env no_list persistent-indexer pthread-emulation qualifiedEnum resolv-new with_gc
Last change on this file since 93401f8 was b69ea6b, checked in by Thierry Delisle <tdelisle@…>, 8 years ago

Updated alarm to use bits/cfatime and fixed preemption for coroutines

  • Property mode set to 100644
File size: 3.1 KB
RevLine 
[75f3522]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//
[75a17f1]7// kernel_private.h --
[75f3522]8//
9// Author : Thierry Delisle
10// Created On : Mon Feb 13 12:27:26 2017
[6b0b624]11// Last Modified By : Peter A. Buhr
12// Last Modified On : Sat Jul 22 09:58:09 2017
13// Update Count : 2
[75f3522]14//
15
[6b0b624]16#pragma once
[75f3522]17
18#include "kernel"
[75a17f1]19#include "thread"
[75f3522]20
[fa21ac9]21#include "alarm.h"
22
[4aa2fb2]23
[75f3522]24//-----------------------------------------------------------------------------
25// Scheduler
[1c273d0]26
27extern "C" {
28 void disable_interrupts();
[969b3fe]29 void enable_interrupts_noPoll();
[36982fc]30 void enable_interrupts( __cfaabi_dbg_ctx_param );
[1c273d0]31}
32
[348006f]33void ScheduleThread( thread_desc * );
[1c273d0]34static inline void WakeThread( thread_desc * thrd ) {
35 if( !thrd ) return;
36
37 disable_interrupts();
38 ScheduleThread( thrd );
[36982fc]39 enable_interrupts( __cfaabi_dbg_ctx );
[1c273d0]40}
[348006f]41thread_desc * nextThread(cluster * this);
[75f3522]42
[e60e0dc]43//Block current thread and release/wake-up the following resources
[82ff5845]44void BlockInternal(void);
[ea7d2b0]45void BlockInternal(__spinlock_t * lock);
[82ff5845]46void BlockInternal(thread_desc * thrd);
[ea7d2b0]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);
[db6f06a]51
[75f3522]52//-----------------------------------------------------------------------------
53// Processor
[fa21ac9]54coroutine processorCtx_t {
[75f3522]55 processor * proc;
56};
57
58void main(processorCtx_t *);
[db6f06a]59void start(processor * this);
[348006f]60void runThread(processor * this, thread_desc * dst);
[db6f06a]61void finishRunning(processor * this);
[4dad189]62void terminate(processor * this);
[75f3522]63void spin(processor * this, unsigned int * spin_count);
64
[e60e0dc]65struct event_kernel_t {
[fa21ac9]66 alarm_list_t alarms;
[ea7d2b0]67 __spinlock_t lock;
[fa21ac9]68};
69
[e60e0dc]70extern event_kernel_t * event_kernel;
71
[9cc0472]72extern thread_local coroutine_desc * volatile this_coroutine;
73extern thread_local thread_desc * volatile this_thread;
74extern thread_local processor * volatile this_processor;
75
[b69ea6b]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_data_t {
81 bool enabled;
82 bool in_progress;
83 unsigned short disable_count;
84};
85
86extern volatile thread_local __cfa_kernel_preemption_data_t preemption;
[c81ebf9]87
[75f3522]88//-----------------------------------------------------------------------------
89// Threads
90extern "C" {
91 forall(dtype T | is_thread(T))
92 void CtxInvokeThread(T * this);
93}
94
[c3acb841]95extern void ThreadCtxSwitch(coroutine_desc * src, coroutine_desc * dst);
[75f3522]96
[f7d6bb0]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
[969b3fe]102//-----------------------------------------------------------------------------
103// Utils
104#define KERNEL_STORAGE(T,X) static char storage_##X[sizeof(T)]
105
[75f3522]106// Local Variables: //
107// mode: c //
108// tab-width: 4 //
[4aa2fb2]109// End: //
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