Fix bug causing raise() to not deliver any signals.

Cargo.lock

@@ -226,7 +226,7 @@ checksum = "64072665120942deff5fd5425d6c1811b854f4939e7f1c01ce755f64432bbea7"
 
 [[package]]
 name = "redox_syscall"
-version = "0.5.1"
+version = "0.5.2"
 dependencies = [
  "bitflags 2.4.2",
 ]

src/context/signal.rs

@@ -100,7 +100,6 @@ pub fn signal_handler() {
     thread_ctl.saved_scratch_b.set(scratch_b);
 
     thread_ctl.control_flags.store((control_flags | SigcontrolFlags::INHIBIT_DELIVERY).bits(), Ordering::Release);
-    log::info!("delivering");
 }
 pub fn excp_handler(signal: usize) {
      let current = context::current().expect("CPU exception but not inside of context!");

src/syscall/process.rs

@@ -6,8 +6,7 @@ use rmm::Arch;
 use spin::RwLock;
 
 use crate::context::{
-    memory::{AddrSpace, PageSpan, Grant},
-    ContextId, WaitpidKey,
+    memory::{AddrSpace, Grant, PageSpan}, switch::SwitchResult, ContextId, WaitpidKey
 };
 
 use crate::{
@@ -251,7 +250,9 @@ pub fn kill(pid: ContextId, sig: usize) -> Result<usize> {
         Err(Error::new(EPERM))
     } else {
         // Switch to ensure delivery to self
-        context::switch();
+        if let SwitchResult::Switched { signal: true } = context::switch() {
+            context::signal::signal_handler();
+        }
 
         Ok(0)
     }