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allow wasm32 compilation of librustc_data_structures/profiling.rs

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This commit is contained in:
Cameron Taggart 2020-04-20 18:09:11 -06:00
parent 20fc02f836
commit df3776bc0f
1 changed files with 11 additions and 4 deletions
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15
src/librustc_data_structures/profiling.rs
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@ -99,10 +99,12 @@ use parking_lot::RwLock;
/// MmapSerializatioSink is faster on macOS and Linux
/// but FileSerializationSink is faster on Windows
#[cfg(not(windows))]
#[cfg(all(not(windows),not(target_arch="wasm32")))]
type SerializationSink = measureme::MmapSerializationSink;
#[cfg(windows)]
#[cfg(all(windows,not(target_arch="wasm32")))]
type SerializationSink = measureme::FileSerializationSink;
#[cfg(target_arch="wasm32")]
type SerializationSink = measureme::ByteVecSink;
type Profiler = measureme::Profiler<SerializationSink>;
@ -602,7 +604,7 @@ pub fn duration_to_secs_str(dur: std::time::Duration) -> String {
}
// Memory reporting
#[cfg(unix)]
#[cfg(all(unix,not(target_arch="wasm32")))]
fn get_resident() -> Option<usize> {
let field = 1;
let contents = fs::read("/proc/self/statm").ok()?;
@ -612,7 +614,7 @@ fn get_resident() -> Option<usize> {
Some(npages * 4096)
}
#[cfg(windows)]
#[cfg(all(windows,not(target_arch="wasm32")))]
fn get_resident() -> Option<usize> {
use std::mem::{self, MaybeUninit};
use winapi::shared::minwindef::DWORD;
@ -630,3 +632,8 @@ fn get_resident() -> Option<usize> {
}
}
}
#[cfg(target_arch="wasm32")]
fn get_resident() -> Option<usize> {
None
}