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Implements profiler for blocked recv
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commit
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27 changed files with 176 additions and 58 deletions
45
components/profile_traits/ipc.rs
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45
components/profile_traits/ipc.rs
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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use bincode;
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use ipc_channel::ipc;
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use serde::{Deserialize, Serialize};
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use std::io::Error;
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use time;
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use time::ProfilerCategory;
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use time::ProfilerChan;
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pub struct IpcReceiver<T> where T: for<'de> Deserialize<'de> + Serialize {
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ipc_receiver: ipc::IpcReceiver<T>,
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time_profile_chan: ProfilerChan,
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}
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impl<T> IpcReceiver<T> where T: for<'de> Deserialize<'de> + Serialize {
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pub fn recv(&self) -> Result<T, bincode::Error> {
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time::profile(
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ProfilerCategory::IpcReceiver,
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None,
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self.time_profile_chan.clone(),
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move || self.ipc_receiver.recv(),
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)
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}
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pub fn try_recv(&self) -> Result<T, bincode::Error> {
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self.ipc_receiver.try_recv()
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}
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pub fn to_opaque(self) -> ipc::OpaqueIpcReceiver {
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self.ipc_receiver.to_opaque()
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}
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}
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pub fn channel<T>(time_profile_chan: ProfilerChan) -> Result<(ipc::IpcSender<T>, IpcReceiver<T>), Error>
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where T: for<'de> Deserialize<'de> + Serialize, {
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let (ipc_sender, ipc_receiver) = ipc::channel()?;
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let profiled_ipc_receiver = IpcReceiver {
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ipc_receiver,
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time_profile_chan,
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};
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Ok((ipc_sender, profiled_ipc_receiver))
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}
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