source: libcfa/src/concurrency/kernel_private.hfa @ b0c7419

ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprpthread-emulationqualifiedEnum
Last change on this file since b0c7419 was b0c7419, checked in by Thierry Delisle <tdelisle@…>, 4 years ago

Yield now uses force_yield instead of park/unpark.
Final ctxswitch of a thread now uses ad-hoc mechanism instead of park/unpark.

  • Property mode set to 100644
File size: 2.9 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//
[73abe95]7// kernel_private.hfa --
[75f3522]8//
9// Author           : Thierry Delisle
10// Created On       : Mon Feb 13 12:27:26 2017
[6b0b624]11// Last Modified By : Peter A. Buhr
[1805b1b]12// Last Modified On : Sat Nov 30 19:25:02 2019
13// Update Count     : 8
[75f3522]14//
15
[6b0b624]16#pragma once
[75f3522]17
[58b6d1b]18#include "kernel.hfa"
19#include "thread.hfa"
[75f3522]20
[73abe95]21#include "alarm.hfa"
[fa21ac9]22
[4aa2fb2]23
[75f3522]24//-----------------------------------------------------------------------------
25// Scheduler
[1c273d0]26
27extern "C" {
[2026bb6]28        void disable_interrupts() OPTIONAL_THREAD;
[969b3fe]29        void enable_interrupts_noPoll();
[36982fc]30        void enable_interrupts( __cfaabi_dbg_ctx_param );
[1c273d0]31}
32
[9f575ea]33void ScheduleThread( thread_desc * ) __attribute__((nonnull (1)));
[75f3522]34
[e60e0dc]35//Block current thread and release/wake-up the following resources
[b0c7419]36void __leave_thread() __attribute__((noreturn));
[db6f06a]37
[75f3522]38//-----------------------------------------------------------------------------
39// Processor
40void main(processorCtx_t *);
[85b1deb]41
[1805b1b]42void * create_pthread( pthread_t *, void * (*)(void *), void * );
43
[85b1deb]44static inline void wake_fast(processor * this) {
45        __cfaabi_dbg_print_safe("Kernel : Waking up processor %p\n", this);
46        post( this->idleLock );
47}
48
49static inline void wake(processor * this) {
50        disable_interrupts();
51        wake_fast(this);
52        enable_interrupts( __cfaabi_dbg_ctx );
53}
[75f3522]54
[e60e0dc]55struct event_kernel_t {
[fa21ac9]56        alarm_list_t alarms;
[ea7d2b0]57        __spinlock_t lock;
[fa21ac9]58};
59
[e60e0dc]60extern event_kernel_t * event_kernel;
61
[d8548e2]62struct __cfa_kernel_preemption_state_t {
[b69ea6b]63        bool enabled;
64        bool in_progress;
65        unsigned short disable_count;
66};
67
[afc2427]68extern volatile thread_local __cfa_kernel_preemption_state_t preemption_state __attribute__ ((tls_model ( "initial-exec" )));
[c81ebf9]69
[75f3522]70//-----------------------------------------------------------------------------
71// Threads
72extern "C" {
[09f357ec]73      void CtxInvokeThread(void (*main)(void *), void * this);
[75f3522]74}
75
[c3acb841]76extern void ThreadCtxSwitch(coroutine_desc * src, coroutine_desc * dst);
[75f3522]77
[f7d6bb0]78__cfaabi_dbg_debug_do(
79        extern void __cfaabi_dbg_thread_register  ( thread_desc * thrd );
80        extern void __cfaabi_dbg_thread_unregister( thread_desc * thrd );
81)
82
[969b3fe]83//-----------------------------------------------------------------------------
84// Utils
85#define KERNEL_STORAGE(T,X) static char storage_##X[sizeof(T)]
86
[21184e3]87static inline uint32_t tls_rand() {
88        kernelTLS.rand_seed ^= kernelTLS.rand_seed << 6;
89        kernelTLS.rand_seed ^= kernelTLS.rand_seed >> 21;
90        kernelTLS.rand_seed ^= kernelTLS.rand_seed << 7;
91        return kernelTLS.rand_seed;
92}
93
[de94a60]94
[a1a17a7]95void doregister( struct cluster & cltr );
96void unregister( struct cluster & cltr );
[de94a60]97
[a1a17a7]98void doregister( struct cluster * cltr, struct thread_desc & thrd );
99void unregister( struct cluster * cltr, struct thread_desc & thrd );
[de94a60]100
101void doregister( struct cluster * cltr, struct processor * proc );
102void unregister( struct cluster * cltr, struct processor * proc );
103
[75f3522]104// Local Variables: //
105// mode: c //
106// tab-width: 4 //
[4aa2fb2]107// End: //
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