unleashed-firmware/furi/core/record.c
あく 0bc400a3ae
Code Cleanup: unused includes, useless checks, unused variables, etc... (#3696)
* Remove unnecessary checks
* Sublime: never insert missing headers
* Cleanup furi defines use
* Cleanup startup. Cleanup linker scripts. Explicitly define all interrupts hadlers, including uninmplemented one.
* Startup routine in C
* Drop assembler startup
* Move linker defines to stm32wb55_linker.h, cleanup naming, unify usage. Mpu: protect last 32b of main stack. Document various obscure things.
* Move furi_hal_switch documentation to appropriate place, use 0x0 for updater jump.
* UnitTests: move all temporary test files into tmp folder

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Co-authored-by: SG <who.just.the.doctor@gmail.com>
2024-06-11 03:04:29 +10:00

148 lines
3.6 KiB
C

#include "record.h"
#include "check.h"
#include "mutex.h"
#include "event_flag.h"
#include <m-dict.h>
#include <toolbox/m_cstr_dup.h>
#define FURI_RECORD_FLAG_READY (0x1)
typedef struct {
FuriEventFlag* flags;
void* data;
size_t holders_count;
} FuriRecordData;
DICT_DEF2(FuriRecordDataDict, const char*, M_CSTR_DUP_OPLIST, FuriRecordData, M_POD_OPLIST)
typedef struct {
FuriMutex* mutex;
FuriRecordDataDict_t records;
} FuriRecord;
static FuriRecord* furi_record = NULL;
static FuriRecordData* furi_record_get(const char* name) {
return FuriRecordDataDict_get(furi_record->records, name);
}
static void furi_record_put(const char* name, FuriRecordData* record_data) {
FuriRecordDataDict_set_at(furi_record->records, name, *record_data);
}
static void furi_record_erase(const char* name, FuriRecordData* record_data) {
furi_event_flag_free(record_data->flags);
FuriRecordDataDict_erase(furi_record->records, name);
}
void furi_record_init(void) {
furi_record = malloc(sizeof(FuriRecord));
furi_record->mutex = furi_mutex_alloc(FuriMutexTypeNormal);
FuriRecordDataDict_init(furi_record->records);
}
static FuriRecordData* furi_record_data_get_or_create(const char* name) {
furi_check(furi_record);
FuriRecordData* record_data = furi_record_get(name);
if(!record_data) {
FuriRecordData new_record;
new_record.flags = furi_event_flag_alloc();
new_record.data = NULL;
new_record.holders_count = 0;
furi_record_put(name, &new_record);
record_data = furi_record_get(name);
}
return record_data;
}
static void furi_record_lock(void) {
furi_check(furi_mutex_acquire(furi_record->mutex, FuriWaitForever) == FuriStatusOk);
}
static void furi_record_unlock(void) {
furi_check(furi_mutex_release(furi_record->mutex) == FuriStatusOk);
}
bool furi_record_exists(const char* name) {
furi_check(furi_record);
furi_check(name);
bool ret = false;
furi_record_lock();
ret = (furi_record_get(name) != NULL);
furi_record_unlock();
return ret;
}
void furi_record_create(const char* name, void* data) {
furi_check(furi_record);
furi_check(name);
furi_record_lock();
// Get record data and fill it
FuriRecordData* record_data = furi_record_data_get_or_create(name);
furi_check(record_data->data == NULL);
record_data->data = data;
furi_event_flag_set(record_data->flags, FURI_RECORD_FLAG_READY);
furi_record_unlock();
}
bool furi_record_destroy(const char* name) {
furi_check(furi_record);
furi_check(name);
bool ret = false;
furi_record_lock();
FuriRecordData* record_data = furi_record_get(name);
furi_check(record_data);
if(record_data->holders_count == 0) {
furi_record_erase(name, record_data);
ret = true;
}
furi_record_unlock();
return ret;
}
void* furi_record_open(const char* name) {
furi_check(furi_record);
furi_check(name);
furi_record_lock();
FuriRecordData* record_data = furi_record_data_get_or_create(name);
record_data->holders_count++;
furi_record_unlock();
// Wait for record to become ready
furi_check(
furi_event_flag_wait(
record_data->flags,
FURI_RECORD_FLAG_READY,
FuriFlagWaitAny | FuriFlagNoClear,
FuriWaitForever) == FURI_RECORD_FLAG_READY);
return record_data->data;
}
void furi_record_close(const char* name) {
furi_check(furi_record);
furi_check(name);
furi_record_lock();
FuriRecordData* record_data = furi_record_get(name);
furi_check(record_data);
record_data->holders_count--;
furi_record_unlock();
}