schedule.cpp File Reference

#include "mos/tasks/schedule.hpp"
#include "mos/assert.hpp"
#include "mos/lib/sync/spinlock.hpp"
#include "mos/misc/setup.hpp"
#include "mos/platform/platform.hpp"
#include "mos/tasks/scheduler.hpp"
#include <mos_string.hpp>

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Functions
char	thread_state_str (thread_state_t state)
	MOS_SETUP ("scheduler", scheduler_cmdline_selector)
void	scheduler_init ()
void	unblock_scheduler (void)
	Unblock the scheduler, so that APs can start scheduling.
void	enter_scheduler (void)
	Enter the scheduler and switch to the next thread.
void	scheduler_add_thread (Thread *thread)
	Add a thread to the scheduler, so that it can be scheduled.
void	scheduler_remove_thread (Thread *thread)
	Remove a thread from the scheduler.
void	scheduler_wake_thread (Thread *thread)
	Wake a thread.
void	reschedule (void)
	reschedule.
void	blocked_reschedule (void)
	Mark the current task as blocked and reschedule.
bool	reschedule_for_waitlist (waitlist_t *waitlist)

Variables
static bool	scheduler_ready = false
static scheduler_t *	active_scheduler = NULL
const scheduler_info_t	__MOS_SCHEDULERS_START []
const scheduler_info_t	__MOS_SCHEDULERS_END []

Function Documentation

thread_state_str()

char thread_state_str

(

thread_state_t

state

)

Definition at line 13 of file schedule.cpp.

Referenced by reschedule(), and tasks_sysfs_thread_list().

MOS_SETUP()

MOS_SETUP	(	"scheduler"	,
		scheduler_cmdline_selector	)

Definition at line 32 of file schedule.cpp.

scheduler_init()

void scheduler_init

(

)

Definition at line 49 of file schedule.cpp.

Referenced by mos_start_kernel().

unblock_scheduler()

void unblock_scheduler

(

void

)

Unblock the scheduler, so that APs can start scheduling.

Definition at line 59 of file schedule.cpp.

Referenced by mos_start_kernel().

enter_scheduler()

void enter_scheduler

(

void

)

Enter the scheduler and switch to the next thread.

Definition at line 66 of file schedule.cpp.

Referenced by mos_start_kernel(), and platform_ap_entry().

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scheduler_add_thread()

void scheduler_add_thread

(

Thread *

thread

)

Add a thread to the scheduler, so that it can be scheduled.

Parameters

thread

Definition at line 77 of file schedule.cpp.

Referenced by create_thread(), elf_create_process(), kthread_create(), process_do_fork(), and reschedule().

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scheduler_remove_thread()

void scheduler_remove_thread

(

Thread *

thread

)

Remove a thread from the scheduler.

Parameters

thread

Definition at line 84 of file schedule.cpp.

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scheduler_wake_thread()

void scheduler_wake_thread

(

Thread *

thread

)

Wake a thread.

Parameters

thread

Definition at line 90 of file schedule.cpp.

Referenced by signal_send_to_thread(), timer_do_wakeup(), and waitlist_wake().

reschedule()

void reschedule

(

void

)

reschedule.

Warning

The caller must have the current thread's state_lock acquired.

Definition at line 106 of file schedule.cpp.

Referenced by blocked_reschedule(), enter_scheduler(), MOS_STATIC_ASSERT(), riscv64_trap_handler(), thread_exit_locked(), and x86_pit_timer_handler().

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blocked_reschedule()

void blocked_reschedule

(

void

)

Mark the current task as blocked and reschedule.

Definition at line 163 of file schedule.cpp.

Referenced by ipc_connect_to_server(), ipc_server_accept(), reschedule_for_waitlist(), and timer_msleep().

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reschedule_for_waitlist()

bool reschedule_for_waitlist

(

waitlist_t *

waitlist

)

Definition at line 171 of file schedule.cpp.

Referenced by futex_wait(), Console::on_read(), pipe_read(), pipe_write(), process_wait_for_pid(), and thread_wait_for_tid().

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Variable Documentation

scheduler_ready

bool scheduler_ready = false

static

Definition at line 28 of file schedule.cpp.

Referenced by enter_scheduler(), and unblock_scheduler().

active_scheduler

scheduler_t* active_scheduler = NULL

static

Definition at line 29 of file schedule.cpp.

Referenced by MOS_SETUP(), reschedule(), scheduler_add_thread(), scheduler_init(), scheduler_remove_thread(), and scheduler_wake_thread().

__MOS_SCHEDULERS_START

const scheduler_info_t __MOS_SCHEDULERS_START[]

extern

Referenced by MOS_SETUP(), and scheduler_init().

__MOS_SCHEDULERS_END

const scheduler_info_t __MOS_SCHEDULERS_END[]

Definition at line 30 of file schedule.cpp.

Referenced by MOS_SETUP().