From 19e63dfa191279d3e1bd99bcc2adca781ad9451d Mon Sep 17 00:00:00 2001
From: namilsk <namilsk@namilsk.tech>
Date: Sun, 11 Jan 2026 14:56:17 +0300
Subject: Implemented `SIGCHLD` & again fixed naming

---
 init/src/main.rs            |  5 +++++
 init/src/processes/getty.rs |  0
 init/src/signals/mod.rs     |  1 +
 init/src/signals/sigchld.rs | 24 ++++++++++++++++++++++--
 4 files changed, 28 insertions(+), 2 deletions(-)
 create mode 100644 init/src/processes/getty.rs
 create mode 100644 init/src/signals/mod.rs

(limited to 'init/src')

diff --git a/init/src/main.rs b/init/src/main.rs
index 7a77e31..630787e 100644
--- a/init/src/main.rs
+++ b/init/src/main.rs
@@ -4,6 +4,7 @@ mod log;
 mod mounts;
 mod pid_one;
 mod processes;
+mod signals; 
 
 use crate::host::locale;
 use crate::host::set::set_hostname;
@@ -13,6 +14,7 @@ use crate::mounts::fstab::FstabEntry;
 use crate::mounts::rescue;
 use crate::pid_one::check_pid;
 use crate::processes::udev::spawn_udev;
+use crate::signals::sigchld;
 
 // RULE: I will not use .expect() and .unwrap() in this project. This causes panic,
 // which will affect stability.
@@ -60,10 +62,13 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
         Err(e) => log_critical_error(&format!("Something went wrong while spawning udev: {}", e)),
     }
 
+    // TODO: Locale & tz parsing  
     match locale::set_system_localization(None, None) {
         Ok(_) => log_success("Localization (timezone and locale) set successfully."),
         Err(e) => log_warning(&format!("Failed to set localization: {}", e)),
     }
 
+    sigchld::setup_sigchild_handler(); 
+    
     Ok(())
 }
diff --git a/init/src/processes/getty.rs b/init/src/processes/getty.rs
new file mode 100644
index 0000000..e69de29
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(()) 
+        }
+    }
+} 
-- 
cgit v1.2.3