xref: /aosp_15_r20/external/skia/src/base/SkTime.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1*c8dee2aaSAndroid Build Coastguard Worker /*
2*c8dee2aaSAndroid Build Coastguard Worker  * Copyright 2023 Google LLC
3*c8dee2aaSAndroid Build Coastguard Worker  *
4*c8dee2aaSAndroid Build Coastguard Worker  * Use of this source code is governed by a BSD-style license that can be
5*c8dee2aaSAndroid Build Coastguard Worker  * found in the LICENSE file.
6*c8dee2aaSAndroid Build Coastguard Worker  */
7*c8dee2aaSAndroid Build Coastguard Worker 
8*c8dee2aaSAndroid Build Coastguard Worker #include "src/base/SkTime.h"
9*c8dee2aaSAndroid Build Coastguard Worker 
10*c8dee2aaSAndroid Build Coastguard Worker #include <chrono>
11*c8dee2aaSAndroid Build Coastguard Worker #include <ratio>
12*c8dee2aaSAndroid Build Coastguard Worker 
13*c8dee2aaSAndroid Build Coastguard Worker #if !defined(__has_feature)
14*c8dee2aaSAndroid Build Coastguard Worker     #define  __has_feature(x) 0
15*c8dee2aaSAndroid Build Coastguard Worker #endif
16*c8dee2aaSAndroid Build Coastguard Worker 
GetNSecs()17*c8dee2aaSAndroid Build Coastguard Worker double SkTime::GetNSecs() {
18*c8dee2aaSAndroid Build Coastguard Worker #if __has_feature(memory_sanitizer)
19*c8dee2aaSAndroid Build Coastguard Worker     // See skia:6504
20*c8dee2aaSAndroid Build Coastguard Worker     struct timespec tp;
21*c8dee2aaSAndroid Build Coastguard Worker     clock_gettime(CLOCK_MONOTONIC, &tp);
22*c8dee2aaSAndroid Build Coastguard Worker     return tp.tv_sec * 1e9 + tp.tv_nsec;
23*c8dee2aaSAndroid Build Coastguard Worker #else
24*c8dee2aaSAndroid Build Coastguard Worker     auto now = std::chrono::steady_clock::now();
25*c8dee2aaSAndroid Build Coastguard Worker     std::chrono::duration<double, std::nano> ns = now.time_since_epoch();
26*c8dee2aaSAndroid Build Coastguard Worker     return ns.count();
27*c8dee2aaSAndroid Build Coastguard Worker #endif
28*c8dee2aaSAndroid Build Coastguard Worker }
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