Rust nightly update - cache_side_channel

cache_side_channel/Cargo.toml

@@ -7,4 +7,4 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-nix = "0.18.0"
+nix = "0.20.0"

cache_side_channel/src/lib.rs

@@ -41,10 +41,10 @@ pub fn restore_affinity(cpu_set: &CpuSet) {
 }
 
 #[must_use = "This result must be used to restore affinity"]
-pub fn set_affinity(cpu_set: &CpuSet) -> CpuSet {
-    let old = sched_getaffinity(Pid::from_raw(0)).unwrap();
-    sched_setaffinity(Pid::from_raw(0), &cpu_set).unwrap();
-    old
+pub fn set_affinity(cpu_set: &CpuSet) -> Result<CpuSet, nix::Error> {
+    let old = sched_getaffinity(Pid::from_raw(0))?;
+    sched_setaffinity(Pid::from_raw(0), &cpu_set)?;
+    Ok(old)
 }
 
 pub trait SingleAddrCacheSideChannel: CoreSpec + Debug {