summaryrefslogtreecommitdiffstats
path: root/src/core/hle/kernel/readable_event.cpp
blob: e2a404d07bd51b2b48b1646703e6d9ae91221314 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.

#include <algorithm>
#include "common/assert.h"
#include "common/logging/log.h"
#include "core/hle/kernel/errors.h"
#include "core/hle/kernel/object.h"
#include "core/hle/kernel/readable_event.h"
#include "core/hle/kernel/thread.h"

namespace Kernel {

ReadableEvent::ReadableEvent(KernelCore& kernel) : SynchronizationObject{kernel} {}
ReadableEvent::~ReadableEvent() = default;

bool ReadableEvent::ShouldWait(const Thread* thread) const {
    return !is_signaled;
}

void ReadableEvent::Acquire(Thread* thread) {
    ASSERT_MSG(IsSignaled(), "object unavailable!");
}

void ReadableEvent::Signal() {
    if (!is_signaled) {
        is_signaled = true;
        SynchronizationObject::Signal();
    };
}

void ReadableEvent::Clear() {
    is_signaled = false;
}

ResultCode ReadableEvent::Reset() {
    if (!is_signaled) {
        LOG_ERROR(Kernel, "Handle is not signaled! object_id={}, object_type={}, object_name={}",
                  GetObjectId(), GetTypeName(), GetName());
        return ERR_INVALID_STATE;
    }

    Clear();

    return RESULT_SUCCESS;
}

} // namespace Kernel