mutex.c File Reference

#include <kernel/acpi/aml/runtime/mutex.h>
#include <kernel/log/log.h>
#include <kernel/sched/sched.h>
#include <kernel/sched/thread.h>
#include <errno.h>
#include <stdlib.h>

Go to the source code of this file.

Data Structures
struct	aml_mutex_entry_t

Functions
static uint64_t	aml_mutex_stack_push (aml_mutex_id_t id, aml_sync_level_t syncLevel)
static uint64_t	aml_mutex_stack_pop (aml_mutex_id_t id)
void	aml_mutex_id_init (aml_mutex_id_t *mutex)
	Create a new mutex and return its id.
void	aml_mutex_id_deinit (aml_mutex_id_t *mutex)
	Destroy the mutex with the given id.
uint64_t	aml_mutex_acquire (aml_mutex_id_t *mutex, aml_sync_level_t syncLevel, clock_t timeout)
	Acquire a mutex, blocking until it is available or the timeout is reached.
uint64_t	aml_mutex_release (aml_mutex_id_t *mutex)
	Release a mutex.

Variables
static bool	initialized = false
static aml_sync_level_t	currentSyncLevel = 0
static list_t	mutexStack
static atomic_int32_t	newMutexId = ATOMIC_VAR_INIT(1)

Function Documentation

aml_mutex_stack_pop()

static uint64_t aml_mutex_stack_pop ( aml_mutex_id_t  id )

inlinestatic

Definition at line 52 of file mutex.c.

References CONTAINER_OF, currentSyncLevel, EDEADLK, aml_mutex_entry_t::entry, ERR, errno, free(), aml_mutex_entry_t::id, list_last(), list_length(), list_remove(), LOG_ERR, mutexStack, and aml_mutex_entry_t::syncLevel.

Referenced by aml_mutex_release().

aml_mutex_stack_push()

static uint64_t aml_mutex_stack_push ( aml_mutex_id_t  id, aml_sync_level_t  syncLevel  )

inlinestatic

Definition at line 23 of file mutex.c.

References currentSyncLevel, EDEADLK, aml_mutex_entry_t::entry, ERR, errno, aml_mutex_entry_t::id, id, initialized, list_entry_init(), list_init(), list_push(), LOG_ERR, malloc(), mutexStack, NULL, and aml_mutex_entry_t::syncLevel.

Referenced by aml_mutex_acquire().

Variable Documentation

currentSyncLevel

aml_sync_level_t currentSyncLevel = 0

static

Definition at line 18 of file mutex.c.

Referenced by aml_mutex_stack_pop(), and aml_mutex_stack_push().

initialized

bool initialized = false

static

Definition at line 17 of file mutex.c.

Referenced by aml_mutex_stack_push().

mutexStack

list_t mutexStack

static

Definition at line 19 of file mutex.c.

Referenced by aml_mutex_stack_pop(), and aml_mutex_stack_push().

newMutexId

atomic_int32_t newMutexId = ATOMIC_VAR_INIT(1)

static

Definition at line 21 of file mutex.c.

Referenced by aml_mutex_id_init().