schedule.c File Reference

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

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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_t *thread)
	Add a thread to the scheduler, so that it can be scheduled.
void	scheduler_remove_thread (thread_t *thread)
	Remove a thread from the scheduler.
void	scheduler_wake_thread (thread_t *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 14 of file schedule.c.

Referenced by _thread_do_print(), and reschedule().

MOS_SETUP()

MOS_SETUP	(	"scheduler"	,
		scheduler_cmdline_selector	)

Definition at line 33 of file schedule.c.

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scheduler_init()

void scheduler_init

(

)

Definition at line 50 of file schedule.c.

Referenced by mos_start_kernel().

unblock_scheduler()

void unblock_scheduler

(

void

)

Unblock the scheduler, so that APs can start scheduling.

Definition at line 60 of file schedule.c.

Referenced by mos_start_kernel().

enter_scheduler()

void enter_scheduler

(

void

)

Enter the scheduler and switch to the next thread.

Definition at line 67 of file schedule.c.

Referenced by mos_start_kernel(), and platform_ap_entry().

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scheduler_add_thread()

void scheduler_add_thread

(

thread_t *

thread

)

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

Parameters

thread

Definition at line 78 of file schedule.c.

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_t *

thread

)

Remove a thread from the scheduler.

Parameters

thread

Definition at line 85 of file schedule.c.

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scheduler_wake_thread()

void scheduler_wake_thread

(

thread_t *

thread

)

Wake a thread.

Parameters

thread

Definition at line 91 of file schedule.c.

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 107 of file schedule.c.

Referenced by blocked_reschedule(), enter_scheduler(), MOS_STATIC_ASSERT(), riscv64_trap_handler(), thread_exit_locked(), timer_msleep(), 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 165 of file schedule.c.

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 174 of file schedule.c.

Referenced by console_io_read(), futex_wait(), 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 29 of file schedule.c.

Referenced by enter_scheduler(), and unblock_scheduler().

active_scheduler

scheduler_t* active_scheduler = NULL

static

Definition at line 30 of file schedule.c.

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 31 of file schedule.c.

Referenced by MOS_SETUP().