Implemented `SIGCHLD` & again fixed naming

2 files changed, 23 insertions, 2 deletions

diff --git a/init/src/signals/mod.rs b/init/src/signals/mod.rs
new file mode 100644
index 0000000..0e86476
--- /dev/null
+++ b/init/src/signals/mod.rs
@@ -0,0 +1 @@
+pub mod sigchld;
diff --git a/init/src/signals/sigchld.rs b/init/src/signals/sigchld.rs
index 78b72d4..185e56e 100644
--- a/init/src/signals/sigchld.rs
+++ b/init/src/signals/sigchld.rs
@@ -1,10 +1,17 @@
-use libc::{signal, sighandler_t, SIGCHILD, SIG_DFL, SIG_IGN}; 
+use libc::{pid_t, 
+           SIGCHLD, 
+           waitpid, 
+           WNOHANG, 
+           sigaction, 
+           sigemptyset,  
+           SA_RESTART};
+
 use std::ffi::c_int; 
 
 fn sigchild_handler(_signal: c_int) {
     loop {
         let mut status: c_int = 0; 
-        ket pid: pid_t = unsafe {
+        let pid: pid_t = unsafe {
             waitpid(-1 , &mut status, WNOHANG)
         }; 
 
@@ -15,4 +22,17 @@ fn sigchild_handler(_signal: c_int) {
 
 }
 
+pub fn sigchild_handler() -> Result<(), Box<dyn std::error::Error>> {
+    unsafe {
+        let mut sigact: sigaction = std::mem::zeroed(); 
+        sigact.sa_sigaction = sigchild_handler as usize; 
+        sigemptyset(&mut sigact.sa_mask); 
+        sigact.sa_flags = SA_RESTART; 
 
+        if sigaction(SIGCHLD, &sigact, std::ptr::null_mut()) == -1 {
+            Err("Sigaction check returned -1".into())
+        } else { 
+            Ok(()) 
+        }
+    }
+}