From 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 03:47:29 +0200
Subject: Adding upstream version 115.8.0esr.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tools/profiler/rust-api/src/time.rs | 71 +++++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 tools/profiler/rust-api/src/time.rs

(limited to 'tools/profiler/rust-api/src/time.rs')

diff --git a/tools/profiler/rust-api/src/time.rs b/tools/profiler/rust-api/src/time.rs
new file mode 100644
index 0000000000..56315690c9
--- /dev/null
+++ b/tools/profiler/rust-api/src/time.rs
@@ -0,0 +1,71 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//! Gecko profiler time.
+
+use crate::gecko_bindings::{bindings, structs::mozilla};
+use std::mem::MaybeUninit;
+
+/// Profiler time for the marker API.
+/// This should be used as the `MarkerTiming` parameter.
+/// E.g.:
+///
+/// ```
+/// let start = ProfilerTime::now();
+/// // ...some code...
+/// gecko_profiler::add_untyped_marker(
+///     "marker name",
+///     category,
+///     MarkerOptions {
+///         timing: MarkerTiming::interval_until_now_from(start),
+///         ..Default::default()
+///     },
+/// );
+/// ```
+#[derive(Debug)]
+pub struct ProfilerTime(pub(crate) mozilla::TimeStamp);
+
+impl ProfilerTime {
+    pub fn now() -> ProfilerTime {
+        let mut marker_timing = MaybeUninit::<mozilla::TimeStamp>::uninit();
+        unsafe {
+            bindings::gecko_profiler_construct_timestamp_now(marker_timing.as_mut_ptr());
+            ProfilerTime(marker_timing.assume_init())
+        }
+    }
+
+    pub fn add_microseconds(self, microseconds: f64) -> Self {
+        let mut dest = MaybeUninit::<mozilla::TimeStamp>::uninit();
+        unsafe {
+            bindings::gecko_profiler_add_timestamp(&self.0, dest.as_mut_ptr(), microseconds);
+            ProfilerTime(dest.assume_init())
+        }
+    }
+
+    pub fn subtract_microseconds(self, microseconds: f64) -> Self {
+        let mut dest = MaybeUninit::<mozilla::TimeStamp>::uninit();
+        unsafe {
+            bindings::gecko_profiler_subtract_timestamp(&self.0, dest.as_mut_ptr(), microseconds);
+            ProfilerTime(dest.assume_init())
+        }
+    }
+}
+
+impl Clone for ProfilerTime {
+    fn clone(&self) -> Self {
+        let mut dest = MaybeUninit::<mozilla::TimeStamp>::uninit();
+        unsafe {
+            bindings::gecko_profiler_clone_timestamp(&self.0, dest.as_mut_ptr());
+            ProfilerTime(dest.assume_init())
+        }
+    }
+}
+
+impl Drop for ProfilerTime {
+    fn drop(&mut self) {
+        unsafe {
+            bindings::gecko_profiler_destruct_timestamp(&mut self.0);
+        }
+    }
+}
-- 
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