unleashed-firmware/lib/toolbox/api_lock.h
Sergey Gavrilov 297f185ef4
Blocking USB driver API (#2009)
* invalidate memmgt thread dict
* Core: rollback memmgt thread dict invalidation
* Dialogs: move api lock to toolbox
* HAL: blocking usb API
* HAL usb: fix api return data
* HAL usb: api optimization
* api lock: test results
* Fix build errors
* DAP Link: fix imports
* Crash when malloc in ISR
* Fix dap-link copypaste error
* Moar memory management crashes.
* Crash when malloc in IRQ, not ISR
* USB-UART: Blocking VCP mode switch

Co-authored-by: nminaylov <nm29719@gmail.com>
Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
2022-11-29 21:50:55 +09:00

44 lines
1.0 KiB
C

#pragma once
#include <furi/furi.h>
/*
Testing 10000 api calls
No lock
Time diff: 445269.218750 us
Time per call: 44.526920 us
furi_thread_flags
Time diff: 430279.875000 us // lol wtf? smaller than no lock?
Time per call: 43.027988 us // I tested it many times, it's always smaller
FuriEventFlag
Time diff: 831523.625000 us
Time per call: 83.152359 us
FuriSemaphore
Time diff: 999807.125000 us
Time per call: 99.980713 us
FuriMutex
Time diff: 1071417.500000 us
Time per call: 107.141747 us
*/
typedef FuriEventFlag* FuriApiLock;
#define API_LOCK_EVENT (1U << 0)
#define api_lock_alloc_locked() furi_event_flag_alloc()
#define api_lock_wait_unlock(_lock) \
furi_event_flag_wait(_lock, API_LOCK_EVENT, FuriFlagWaitAny, FuriWaitForever)
#define api_lock_free(_lock) furi_event_flag_free(_lock)
#define api_lock_unlock(_lock) furi_event_flag_set(_lock, API_LOCK_EVENT)
#define api_lock_wait_unlock_and_free(_lock) \
api_lock_wait_unlock(_lock); \
api_lock_free(_lock);