source: libcfa/src/concurrency/kernel_private.hfa @ b6f2b21

arm-ehjacob/cs343-translationnew-astnew-ast-unique-expr
Last change on this file since b6f2b21 was b6f2b21, checked in by Thierry Delisle <tdelisle@…>, 21 months ago

Added the option to dynamically (at cluster creation time) enable/disable the user thread polling of I/O

  • Property mode set to 100644
File size: 2.9 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.hfa --
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 Nov 30 19:25:02 2019
13// Update Count     : 8
14//
15
16#pragma once
17
18#include "kernel.hfa"
19#include "thread.hfa"
20
21#include "alarm.hfa"
22
23
24//-----------------------------------------------------------------------------
25// Scheduler
26
27extern "C" {
28        void disable_interrupts() OPTIONAL_THREAD;
29        void enable_interrupts_noPoll();
30        void enable_interrupts( __cfaabi_dbg_ctx_param );
31}
32
33void __schedule_thread( $thread * ) __attribute__((nonnull (1)));
34
35//Block current thread and release/wake-up the following resources
36void __leave_thread() __attribute__((noreturn));
37
38//-----------------------------------------------------------------------------
39// Processor
40void main(processorCtx_t *);
41
42void * __create_pthread( pthread_t *, void * (*)(void *), void * );
43
44
45
46struct event_kernel_t {
47        alarm_list_t alarms;
48        __spinlock_t lock;
49};
50
51extern event_kernel_t * event_kernel;
52
53struct __cfa_kernel_preemption_state_t {
54        bool enabled;
55        bool in_progress;
56        unsigned short disable_count;
57};
58
59extern volatile thread_local __cfa_kernel_preemption_state_t preemption_state __attribute__ ((tls_model ( "initial-exec" )));
60
61extern cluster * mainCluster;
62
63//-----------------------------------------------------------------------------
64// Threads
65extern "C" {
66      void __cfactx_invoke_thread(void (*main)(void *), void * this);
67}
68
69__cfaabi_dbg_debug_do(
70        extern void __cfaabi_dbg_thread_register  ( $thread * thrd );
71        extern void __cfaabi_dbg_thread_unregister( $thread * thrd );
72)
73
74// KERNEL ONLY unpark with out disabling interrupts
75void __unpark( $thread * thrd __cfaabi_dbg_ctx_param2 );
76
77//-----------------------------------------------------------------------------
78// I/O
79void __kernel_io_startup     ( cluster &, int, bool );
80void __kernel_io_finish_start( cluster & );
81void __kernel_io_prepare_stop( cluster & );
82void __kernel_io_shutdown    ( cluster &, bool );
83
84//-----------------------------------------------------------------------------
85// Utils
86#define KERNEL_STORAGE(T,X) static char storage_##X[sizeof(T)]
87
88static inline uint32_t __tls_rand() {
89        kernelTLS.rand_seed ^= kernelTLS.rand_seed << 6;
90        kernelTLS.rand_seed ^= kernelTLS.rand_seed >> 21;
91        kernelTLS.rand_seed ^= kernelTLS.rand_seed << 7;
92        return kernelTLS.rand_seed;
93}
94
95
96void doregister( struct cluster & cltr );
97void unregister( struct cluster & cltr );
98
99void doregister( struct cluster * cltr, struct $thread & thrd );
100void unregister( struct cluster * cltr, struct $thread & thrd );
101
102void doregister( struct cluster * cltr, struct processor * proc );
103void unregister( struct cluster * cltr, struct processor * proc );
104
105// Local Variables: //
106// mode: c //
107// tab-width: 4 //
108// End: //
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