Remove one level of indirection for Context::name.

src/scheme/sys/block.rs

@@ -14,7 +14,7 @@ pub fn resource() -> Result<Vec<u8>> {
             let contexts = context::contexts();
             for (id, context_lock) in contexts.iter() {
                 let context = context_lock.read();
-                rows.push((*id, context.name.read().clone(), context.status_reason));
+                rows.push((*id, context.name.clone(), context.status_reason));
             }
         }
 

src/scheme/sys/context.rs

@@ -116,7 +116,7 @@ pub fn resource() -> Result<Vec<u8>> {
                                affinity,
                                cpu_time_string,
                                memory_string,
-                               *context.name.read()));
+                               context.name));
         }
     }
 

src/scheme/sys/exe.rs

@@ -1,19 +1,8 @@
-use alloc::{
-    boxed::Box,
-    vec::Vec,
-};
+use alloc::vec::Vec;
 
 use crate::context;
-use crate::syscall::error::{Error, ESRCH, Result};
+use crate::syscall::error::Result;
 
 pub fn resource() -> Result<Vec<u8>> {
-    let name = {
-        let contexts = context::contexts();
-        let context_lock = contexts.current().ok_or(Error::new(ESRCH))?;
-        let context = context_lock.read();
-        let name = context.name.read();
-        let name_bytes: Box<[u8]> = name.clone().into();
-        name_bytes.into_vec()
-    };
-    Ok(name)
+    Ok(context::current()?.read().name.clone().into_owned().into_bytes())
 }

src/scheme/sys/iostat.rs

@@ -16,7 +16,7 @@ pub fn resource() -> Result<Vec<u8>> {
             let contexts = context::contexts();
             for (id, context_lock) in contexts.iter() {
                 let context = context_lock.read();
-                rows.push((*id, context.name.read().clone(), context.files.read().clone()));
+                rows.push((*id, context.name.clone(), context.files.read().clone()));
             }
         }
 

src/scheme/sys/syscall.rs

@@ -15,7 +15,7 @@ pub fn resource() -> Result<Vec<u8>> {
             let contexts = context::contexts();
             for (id, context_lock) in contexts.iter() {
                 let context = context_lock.read();
-                rows.push((*id, context.name.read().clone(), context.syscall));
+                rows.push((*id, context.name.clone(), context.syscall));
             }
         }