Started writing service-utils and adding docstrings

1 files changed, 9 insertions, 13 deletions

diff --git a/init/src/signals/sigchld.rs b/init/src/signals/sigchld.rs
index a02b82f..79a40c9 100644
--- a/init/src/signals/sigchld.rs
+++ b/init/src/signals/sigchld.rs
@@ -1,14 +1,12 @@
-use libc::{c_int, sigaction, siginfo_t, sigset_t, waitpid, SA_RESTART, SA_SIGINFO, SIGCHLD, WNOHANG};
+use libc::{
+    SA_RESTART, SA_SIGINFO, SIGCHLD, WNOHANG, c_int, sigaction, siginfo_t, sigset_t, waitpid,
+};
 use std::os::raw::c_void;
 
-// extern "C" because:  
+// extern "C" because:
 // https://doc.rust-lang.org/reference/items/external-blocks.html?spm=a2ty_o01.29997173.0.0.63e251718NCvPc#abi
 // Doc comments needed...
-extern "C" fn sigchld_handler(
-    _signal: c_int,
-    _info: *mut siginfo_t,
-    _context: *mut c_void,
-) {
+extern "C" fn sigchld_handler(_signal: c_int, _info: *mut siginfo_t, _context: *mut c_void) {
     let saved_errno = unsafe { *libc::__errno_location() };
 
     loop {
@@ -16,16 +14,14 @@ extern "C" fn sigchld_handler(
         let pid = unsafe { waitpid(-1, &mut status as *mut c_int, WNOHANG) };
 
         match pid {
-            0 => break, 
+            0 => break,
             -1 => {
                 let errno = unsafe { *libc::__errno_location() };
                 if errno == libc::ECHILD {
                     break;
                 }
             }
-            _ => {
-                /* If it doesnt work, ill add the logging here */
-            }
+            _ => { /* If it doesnt work, ill add the logging here */ }
         }
     }
 
@@ -35,10 +31,10 @@ extern "C" fn sigchld_handler(
 pub fn setup_sigchld_handler() -> Result<(), Box<dyn std::error::Error>> {
     unsafe {
         let mut sigact: sigaction = std::mem::zeroed();
-        
+
         sigact.sa_sigaction = sigchld_handler as usize;
         sigact.sa_flags = SA_RESTART | SA_SIGINFO;
-        
+
         libc::sigemptyset(&mut sigact.sa_mask as *mut sigset_t);
         libc::sigaddset(&mut sigact.sa_mask as *mut sigset_t, SIGCHLD);