flipperzero-firmware/core/furi/thread.c

#include "thread.h"
#include "memmgr.h"
#include "check.h"

#include <m-string.h>

struct FuriThread {
    FuriThreadState state;
    int32_t ret;

    FuriThreadCallback callback;
    void* context;

    FuriThreadStateCallback state_callback;
    void* state_context;

    osThreadAttr_t attr;
    osThreadId_t id;
};

void furi_thread_set_state(FuriThread* thread, FuriThreadState state) {
    furi_assert(thread);
    thread->state = state;
    if(thread->state_callback) {
        thread->state_callback(state, thread->state_context);
    }
}

void furi_thread_body(void* context) {
    furi_assert(context);
    FuriThread* thread = context;

    furi_assert(thread->state == FuriThreadStateStarting);
    furi_thread_set_state(thread, FuriThreadStateRunning);

    thread->ret = thread->callback(thread->context);

    furi_assert(thread->state == FuriThreadStateRunning);
    furi_thread_set_state(thread, FuriThreadStateStopped);

    osThreadExit();
}

FuriThread* furi_thread_alloc() {
    FuriThread* thread = furi_alloc(sizeof(FuriThread));

    return thread;
}

void furi_thread_free(FuriThread* thread) {
    furi_assert(thread);
    furi_assert(thread->state == FuriThreadStateStopped);

    if(thread->attr.name) free((void*)thread->attr.name);
    free(thread);
}

void furi_thread_set_name(FuriThread* thread, const char* name) {
    furi_assert(thread);
    furi_assert(thread->state == FuriThreadStateStopped);
    if(thread->attr.name) free((void*)thread->attr.name);
    thread->attr.name = strdup(name);
}

void furi_thread_set_stack_size(FuriThread* thread, size_t stack_size) {
    furi_assert(thread);
    furi_assert(thread->state == FuriThreadStateStopped);
    thread->attr.stack_size = stack_size;
}

void furi_thread_set_callback(FuriThread* thread, FuriThreadCallback callback) {
    furi_assert(thread);
    furi_assert(thread->state == FuriThreadStateStopped);
    thread->callback = callback;
}

void furi_thread_set_context(FuriThread* thread, void* context) {
    furi_assert(thread);
    furi_assert(thread->state == FuriThreadStateStopped);
    thread->context = context;
}

void furi_thread_set_state_callback(FuriThread* thread, FuriThreadStateCallback callback) {
    furi_assert(thread);
    furi_assert(thread->state == FuriThreadStateStopped);
    thread->state_callback = callback;
}

void furi_thread_set_state_context(FuriThread* thread, void* context) {
    furi_assert(thread);
    furi_assert(thread->state == FuriThreadStateStopped);
    thread->state_context = context;
}

bool furi_thread_start(FuriThread* thread) {
    furi_assert(thread);
    furi_assert(thread->callback);
    furi_assert(thread->state == FuriThreadStateStopped);
    furi_thread_set_state(thread, FuriThreadStateStarting);
    thread->id = osThreadNew(furi_thread_body, thread, &thread->attr);
    if(thread->id) {
        return true;
    } else {
        furi_assert(thread->state == FuriThreadStateStarting);
        furi_thread_set_state(thread, FuriThreadStateStopped);
        return false;
    }
}

osStatus_t furi_thread_terminate(FuriThread* thread) {
    furi_assert(thread);
    osStatus_t ret = osThreadTerminate(thread->id);
    if(ret == osOK) {
        furi_thread_set_state(thread, FuriThreadStateStopped);
    }
    return ret;
}

osStatus_t furi_thread_join(FuriThread* thread) {
    furi_assert(thread);
    return osThreadJoin(thread->id);
}