diff --git a/01_phase_rust_src/sv-rustit/src/executor.rs b/01_phase_rust_src/sv-rustit/src/executor.rs
index eae1327..bcd588e 100644
--- a/01_phase_rust_src/sv-rustit/src/executor.rs
+++ b/01_phase_rust_src/sv-rustit/src/executor.rs
@@ -1,41 +1,17 @@
 
 
-pub mod sent_signal;
-
-use crate::status_obj;
+pub mod execute_service;
 
 pub fn execute(svdir_var: String, svwait_var: i32, verbose: i8, command: &str, services: Vec<String>) -> i32{
+    // split a service vector into different sv.
 
     let mut exit_code: i32 = 0;
-
     for sv in services {
-        let ch1 = sv.chars().next().unwrap();
-        let ch2_row = &sv.chars().collect::<Vec<_>>()[..2];
-        let ch2: String = ch2_row.into_iter().collect();
-        let path;
-
-        if ch1 == '/' || ch2 == "~/"{
-            // case absolute path for the service
-            //
-            path = sv.clone();
-        } else {
-            // case relative path for the service.
-            //
-            path = svdir_var.clone() + "/" + &sv;
+        exit_code += execute_service::execute_service(svdir_var.clone(), svwait_var, verbose, command, sv);
+        if exit_code > 99 {
+            exit_code = 99;
         }
-
-        let status_option = status_obj::StatusObj::new(path, sv);
-        match status_option {
-            Some(status) => {
-                exit_code += sent_signal::sent_signal(svwait_var, verbose, command, status);
-            },
-            None => {
-                if exit_code < 99 {
-                    exit_code += 1;
-                }
-            },
-        };
     }
     return exit_code
-
 }
+
diff --git a/01_phase_rust_src/sv-rustit/src/executor/execute_service.rs b/01_phase_rust_src/sv-rustit/src/executor/execute_service.rs
new file mode 100644
index 0000000..db675ac
--- /dev/null
+++ b/01_phase_rust_src/sv-rustit/src/executor/execute_service.rs
@@ -0,0 +1,22 @@
+
+mod sent_signal;
+mod make_path;
+
+use crate::status_obj;
+
+pub fn execute_service(svdir_var: String, svwait_var: i32, verbose: i8, command: &str, sv: String) -> i32 {
+    // make a sv object from a string, svdir_var, and sent it the command signal.
+    
+    let path = make_path::make_path(svdir_var, sv.clone());
+
+    let status_option = status_obj::StatusObj::new(path, sv);
+    match status_option {
+        Some(status) => {
+            return sent_signal::sent_signal(svwait_var, verbose, command, status);
+        },
+        None => {
+            return 1;
+        },
+    };
+}
+
diff --git a/01_phase_rust_src/sv-rustit/src/executor/execute_service/make_path.rs b/01_phase_rust_src/sv-rustit/src/executor/execute_service/make_path.rs
new file mode 100644
index 0000000..2e807c1
--- /dev/null
+++ b/01_phase_rust_src/sv-rustit/src/executor/execute_service/make_path.rs
@@ -0,0 +1,17 @@
+
+pub fn make_path(svdir_var: String, sv: String) -> String {
+    let ch1 = sv.chars().next().unwrap();
+    let ch2_row = &sv.chars().collect::<Vec<_>>()[..2];
+    let ch2: String = ch2_row.into_iter().collect();
+    let path;
+
+    if ch1 == '/' || ch2 == "~/"{
+        // case absolute path for the service
+        path = sv;
+    } else {
+        // case relative path for the service.
+        path = svdir_var + "/" + &sv;
+    }
+
+    return path
+}
diff --git a/01_phase_rust_src/sv-rustit/src/executor/execute_service/sent_signal.rs b/01_phase_rust_src/sv-rustit/src/executor/execute_service/sent_signal.rs
new file mode 100644
index 0000000..4004b85
--- /dev/null
+++ b/01_phase_rust_src/sv-rustit/src/executor/execute_service/sent_signal.rs
@@ -0,0 +1,68 @@
+
+mod misc;
+
+use crate::status_obj;
+
+pub fn sent_signal( svwait_var: i32, verbose: i8, command: &str, mut sv: status_obj::StatusObj) -> i32 {
+    // Return 0 in case everything worked fine, return 1 if timeout or error.
+    
+    match command {
+        "s" => {
+            // case command is status
+            return misc::print_status(sv);
+        },
+        "u" => {
+            // case where command is up
+            return misc::run_verbose(sv.sent_signal(b"u"), true, verbose, svwait_var, sv);
+        },
+        "d" => {
+            // case where command is up
+            return misc::run_verbose(sv.sent_signal(b"d"), false, verbose, svwait_var, sv);
+        },
+         "o" => {
+            // case where command is run once.
+            return misc::run_verbose(sv.sent_signal(b"o"), true, verbose, svwait_var, sv);
+        },
+        "p" => {
+            // case where it's the pause command which is entered.
+            return misc::pause_verbose(sv.sent_signal(b"p"), true, verbose, svwait_var, sv);
+        },
+        "c" => {
+            // case where it's the continue command which is entered.
+            return misc::pause_verbose(sv.sent_signal(b"c"), false, verbose, svwait_var, sv);
+        },
+        "h" => {
+            return misc::noexcept_verbose(sv.sent_signal(b"h"), verbose, sv);
+        },
+        "a" => {
+            return misc::noexcept_verbose(sv.sent_signal(b"a"), verbose, sv);
+        },
+        "i" => {
+            return misc::noexcept_verbose(sv.sent_signal(b"i"), verbose, sv);
+        },
+        "q" => {
+            return misc::noexcept_verbose(sv.sent_signal(b"q"), verbose, sv);
+        },
+        "1" => {
+            return misc::noexcept_verbose(sv.sent_signal(b"1"), verbose, sv);
+        },
+        "2" => {
+            return misc::noexcept_verbose(sv.sent_signal(b"2"), verbose, sv);
+        },
+        "t" => {
+            return misc::term_verbose(sv.sent_signal(b"t"), false, verbose, svwait_var, sv);
+        },
+        "k" => {
+            return misc::kill_verbose(sv.sent_signal(b"k"), verbose, svwait_var, sv);
+        },
+        "e" | "x" => {
+            return misc::exit_verbose(sv.sent_signal(b"x"), verbose, svwait_var, sv);
+        },
+        other => {
+            println!("Error, command {} not implemented.", other); // TODO : Put the real error
+                                                                   // message.
+            return 1;
+        }
+    };
+}
+
diff --git a/01_phase_rust_src/sv-rustit/src/executor/execute_service/sent_signal/misc.rs b/01_phase_rust_src/sv-rustit/src/executor/execute_service/sent_signal/misc.rs
new file mode 100644
index 0000000..f93636f
--- /dev/null
+++ b/01_phase_rust_src/sv-rustit/src/executor/execute_service/sent_signal/misc.rs
@@ -0,0 +1,196 @@
+
+use crate::status_obj;
+
+use std::thread::sleep;
+use std::time::Duration;
+
+pub fn print_status(mut sv: status_obj::StatusObj) -> i32 {
+    // The status code is the one who will be 
+    let mut status_sv = sv.get_status_string();
+    let is_log = sv.get_log();
+    if is_log {
+        let log_option = sv.get_obj_log();
+        match log_option {
+            Some(mut log) => {
+                status_sv = status_sv + "; " + &log.get_status_string();
+            },
+            None => {
+                return 1
+            },
+        };
+    }
+    println!("{}", status_sv);
+    return 0;
+}
+
+
+pub fn run_verbose(sent_signal: bool, expected: bool, verbose: i8, svwait_var: i32, mut sv: status_obj::StatusObj) -> i32 {
+    // if the excepted is true, wait for the service to run. 
+    // If the excepted is false, wait for the service to down.
+    if sent_signal && verbose == 1 {
+        sleep(Duration::from_secs_f32(0.0005));
+        let mut time_wait = 0;
+        loop {
+            let status = sv.update_status();
+            if status == 1 {
+                return 1;
+            }
+            if sv.is_up() == expected {
+                println!("ok: {}", sv.get_status_string());
+                return 0
+            }
+            if time_wait >= svwait_var*2 {
+                println!("timeout: {}", sv.get_status_string());
+                return 1
+            }
+            time_wait += 1;
+            sleep(Duration::from_secs_f32(0.5));
+        }
+    } else if sent_signal && verbose == 0  {
+        return 0
+    } else {
+        // Case sent_signal != true.
+        return 1
+    }
+}
+
+pub fn pause_verbose(sent_signal: bool, expected: bool, verbose: i8, svwait_var: i32, mut sv: status_obj::StatusObj) -> i32 {
+    // if the excepted is true, wait for the service to pause.
+    // if the excepted is false, wait for the service to continue.
+    if sent_signal && verbose == 1 {
+        sleep(Duration::from_secs_f32(0.0005));
+        let mut time_wait = 0;
+        loop {
+            let status = sv.update_status();
+            if status == 1 {
+                return 1;
+            }
+            if sv.is_paused() == expected {
+                println!("ok: {}", sv.get_status_string());
+                return 0
+            }
+            if time_wait >= svwait_var*2 {
+                println!("timeout: {}", sv.get_status_string());
+                return 1
+            }
+            time_wait += 1;
+            sleep(Duration::from_secs_f32(0.5));
+        }
+    } else if sent_signal && verbose == 0  {
+        return 0
+    } else {
+        // Case sent_signal != true.
+        return 1
+    }
+}
+
+pub fn term_verbose(sent_signal: bool, expected: bool, verbose: i8, svwait_var: i32, mut sv: status_obj::StatusObj) -> i32 {
+    // if the excepted is true, wait for the service to get term signal.
+    // if the excepted is false, wait for the service to interpret the term signal.
+    if sent_signal && verbose == 1 {
+        sleep(Duration::from_secs_f32(0.0005));
+        let mut time_wait = 0;
+        loop {
+            let status = sv.update_status();
+            if status == 1 {
+                return 1;
+            }
+            if sv.is_term() == expected {
+                println!("ok: {}", sv.get_status_string());
+                return 0
+            }
+            if time_wait >= svwait_var*2 {
+                println!("timeout: {}", sv.get_status_string());
+                return 1
+            }
+            time_wait += 1;
+            sleep(Duration::from_secs_f32(0.5));
+        }
+    } else if sent_signal && verbose == 0  {
+        return 0
+    } else {
+        // Case sent_signal != true.
+        return 1
+    }
+}
+
+pub fn kill_verbose(sent_signal: bool, verbose: i8, svwait_var: i32, mut sv: status_obj::StatusObj) -> i32 {
+    if sent_signal && verbose == 1 {
+        sleep(Duration::from_secs_f32(0.0005));
+        let mut time_wait = 0;
+        if ! sv.get_run_finish() {
+            println!("ok: {}", sv.get_status_string());
+            return 0;
+        }
+        let pid = sv.get_pid();
+        let time = sv.get_time();
+        loop {
+            let status = sv.update_status();
+            if status == 1 {
+                return 1;
+            }
+            if pid != sv.get_pid() || time > sv.get_time() {
+                println!("ok: {}", sv.get_status_string());
+                return 0
+            }
+            if time_wait >= svwait_var*2 {
+                println!("timeout: {}", sv.get_status_string());
+                return 1
+            }
+            time_wait += 1;
+            sleep(Duration::from_secs_f32(0.5));
+        }
+    } else if sent_signal && verbose == 0  {
+        return 0
+    } else {
+        // Case sent_signal != true.
+        return 1
+    }
+}
+
+pub fn exit_verbose(sent_signal: bool, verbose: i8, svwait_var: i32, mut sv: status_obj::StatusObj) -> i32 {
+    // if the excepted is true, wait for the service to get term signal.
+    // if the excepted is false, wait for the service to interpret the term signal.
+    if sent_signal && verbose == 1 {
+        sleep(Duration::from_secs_f32(0.0005));
+        let mut time_wait = 0;
+        loop {
+            let status = sv.update_status();
+            if status == 1 {
+                return 1;
+            }
+            if sv.is_exited() == true {
+                println!("ok: {}", sv.get_status_string());
+                return 0
+            }
+            if time_wait >= svwait_var*2 {
+                println!("timeout: {}", sv.get_status_string());
+                return 1
+            }
+            time_wait += 1;
+            sleep(Duration::from_secs_f32(0.5));
+        }
+    } else if sent_signal && verbose == 0  {
+        return 0
+    } else {
+        // Case sent_signal != true.
+        return 1
+    }
+}
+
+pub fn noexcept_verbose(sent_signal: bool, verbose: i8, mut sv: status_obj::StatusObj) -> i32 {
+    if sent_signal && verbose == 1 {
+        sleep(Duration::from_secs_f32(0.0005));
+        let status = sv.update_status();
+        if status == 1 {
+            return 1;
+        }
+        println!("ok: {}", sv.get_status_string());
+        return 0
+    } else if sent_signal && verbose == 0  {
+        return 0
+    } else {
+        // Case sent_signal != true.
+        return 1
+    }
+}
diff --git a/01_phase_rust_src/sv-rustit/src/executor/sent_signal.rs b/01_phase_rust_src/sv-rustit/src/executor/sent_signal.rs
deleted file mode 100644
index 9955f42..0000000
--- a/01_phase_rust_src/sv-rustit/src/executor/sent_signal.rs
+++ /dev/null
@@ -1,85 +0,0 @@
-
-mod misc;
-
-use crate::status_obj;
-
-use std::thread::sleep;
-use std::time::Duration;
-
-pub fn sent_signal( svwait_var: i32, verbose: i8, command: &str, mut sv: status_obj::StatusObj) -> i32 {
-    // Return 0 in case everything worked fine, return 1 if timeout or error.
-
-    let mut time_wait = 0;
-    
-    // execute command.
-    if command == "s" {
-        // case command is status
-        return misc::print_status(sv);
-    }
-
-    if command == "u" {
-        // case where command is up
-        if sv.sent_signal(b"u") {
-            if verbose == 1 {
-                loop {
-                    let status = sv.update_status();
-                    if status == 1 {
-                        return 1;
-                    }
-                    if sv.is_up() == true {
-                        misc::print_status(sv);
-                        return 0
-                    }
-                    if time_wait >= svwait_var {
-                        println!("fail: {}: timeout", sv.get_name());
-                        return 1
-                    }
-
-                    time_wait += 1;
-                    sleep(Duration::from_secs(1));
-                }
-            } else {
-                return 0;
-            }
-        } else { 
-            return 1;
-        }
-    }
-
-    if command == "d" {
-        // case where command is up
-        if sv.sent_signal(b"d") {
-            if verbose == 1 {
-                loop {
-                    let status = sv.update_status();
-                    if status == 1 {
-                        return 1;
-                    }
-                    if sv.is_up() == false {
-                        misc::print_status(sv);
-                        return 0
-                    }
-                    if time_wait >= svwait_var {
-                        println!("fail: {}: timeout", sv.get_name());
-                        return 1
-                    }
-
-                    time_wait += 1;
-                    sleep(Duration::from_secs(1));
-                }
-            } else {
-                return 0;
-            }
-        } else { 
-            return 1;
-        }
-    }
-
-
-    // TODO
-    // sent the proper signal to supervise/control
-    //
-    // if verbose = 1, wait for the service to reach the proper state or timeout.
-    println!("Error, command not implemented.");
-    return 1;
-}
diff --git a/01_phase_rust_src/sv-rustit/src/executor/sent_signal/misc.rs b/01_phase_rust_src/sv-rustit/src/executor/sent_signal/misc.rs
deleted file mode 100644
index 7a8e2a5..0000000
--- a/01_phase_rust_src/sv-rustit/src/executor/sent_signal/misc.rs
+++ /dev/null
@@ -1,21 +0,0 @@
-
-use crate::status_obj;
-
-pub fn print_status(mut sv: status_obj::StatusObj) -> i32 {
-    // The status code is the one who will be 
-    let mut status_sv = sv.get_status_string();
-    let is_log = sv.get_log();
-    if is_log {
-        let log_option = sv.get_obj_log();
-        match log_option {
-            Some(mut log) => {
-                status_sv = status_sv + "; " + &log.get_status_string();
-            },
-            None => {
-                return 1
-            },
-        };
-    }
-    println!("{}", status_sv);
-    return 0;
-}
diff --git a/01_phase_rust_src/sv-rustit/src/parser.rs b/01_phase_rust_src/sv-rustit/src/parser.rs
index cb09545..b2cf51b 100644
--- a/01_phase_rust_src/sv-rustit/src/parser.rs
+++ b/01_phase_rust_src/sv-rustit/src/parser.rs
@@ -95,7 +95,7 @@ pub fn parse_args_1(arg: &String) -> String{
 
 pub fn parse_args_2(arg: &String) -> String{
     const POSSIBLE: &'static [&'static str] = &["start", "stop", "reload", "restart", "shutdown", "force-stop", "force-reload", "force-restart", "force-shutdown", "try-restart"];
-    const CPOSSIBLE: &'static [char] = &['s', 'u', 'd', 'o', 'p', 'c', 'h', 'a', 'i', 'q', '1', '2', 't', 'k'];
+    const CPOSSIBLE: &'static [char] = &['s', 'u', 'd', 'o', 'p', 'c', 'h', 'a', 'i', 'q', '1', '2', 't', 'k', 'e', 'x'];
 
     for var in POSSIBLE.iter() {
         if arg == var {
diff --git a/01_phase_rust_src/sv-rustit/src/status_obj.rs b/01_phase_rust_src/sv-rustit/src/status_obj.rs
index 10a26b3..a37fa86 100644
--- a/01_phase_rust_src/sv-rustit/src/status_obj.rs
+++ b/01_phase_rust_src/sv-rustit/src/status_obj.rs
@@ -1,5 +1,7 @@
 
 mod misc;
+mod sent_signal;
+mod check_test;
 
 use std::path::Path;
 use std::env::set_current_dir;
@@ -37,14 +39,30 @@ impl StatusObj {
         }
 
         // Check if supervise/control and supervise/ok exists, and if runsv running.
-        let control_exists = misc::check_fifo(sv.clone(), "supervise/ok");
-        if control_exists == false {
-            return None;
-        }
-        let control_exists = misc::check_fifo(sv.clone(), "supervise/control");
-        if control_exists == false {
-            return None;
-        }
+        let control_exists = sent_signal::check_fifo("supervise/ok");
+        match control_exists {
+            1 => {
+                println!("fail: {sv}: runsv not running");
+                return None;
+            },
+            2 => {
+                println!("warning: {sv}: unable to open {path_string}: file does not exist");
+                return None
+            },
+            _other => {},
+        };
+        let control_exists = sent_signal::check_fifo("supervise/control");
+        match control_exists {
+            1 => {
+                println!("fail: {sv}: runsv not running");
+                return None;
+            },
+            2 => {
+                println!("warning: {sv}: unable to open {path_string}: file does not exist");
+                return None
+            },
+            _other => {},
+        };
 
 
         let status_option = fs::OpenOptions::new().read(true).open("supervise/status");
@@ -166,6 +184,10 @@ impl StatusObj {
 
     pub fn get_status_string(&mut self) -> String {
         // return the status for this service in particular.
+        
+        if self.is_exited() {
+            return self.svname.clone() + ": runsv not running";
+        }
 
         let status_sv;
         let pid_string: String;
@@ -200,7 +222,7 @@ impl StatusObj {
                 ud_string = "";
             }
         }
-        if self.pause_run == true {
+        if self.pause_run == true && self.run_finish {
             pause_string = ", paused";
         } else {
             pause_string = "";
@@ -211,6 +233,7 @@ impl StatusObj {
             term_string = "";
         }
 
+
         let time_repaired: u64 = self.time - 4611686018427387914;
         let sys_time_result = SystemTime::now().duration_since(SystemTime::UNIX_EPOCH);
         let sys_time = match sys_time_result {
@@ -226,11 +249,42 @@ impl StatusObj {
     }
 
     pub fn sent_signal(&mut self, signal: &[u8]) -> bool {
-        return misc::sent_signal(signal);
+        return sent_signal::sent_signal(signal);
     }
 
     pub fn is_up(&mut self) -> bool {
-        return self.run_finish;
+        let check = fs::File::open("check");
+        match check {
+            Ok(file) => {
+                return check_test::check_test(file, self.run_finish)
+            },
+            Err(..) => return self.run_finish,
+        };
+    }
+
+    pub fn is_paused(&mut self) -> bool {
+        if self.pause_run == true {
+            return true
+        } else {
+            return false
+        }
+    }
+
+    pub fn is_term(&mut self) -> bool {
+        if self.term_sig == true {
+            return true
+        } else {
+            return false
+        }
+    }
+
+    pub fn is_exited(&mut self) -> bool {
+        let control_exists = sent_signal::check_fifo("supervise/ok");
+        if control_exists == 1 || control_exists == 2 {
+            return true;
+        }
+        return false;
+        
     }
 
     pub fn get_name(&mut self) -> String {
@@ -245,6 +299,18 @@ impl StatusObj {
         return self.log;
     }
 
+    pub fn get_pid(&mut self) -> u32 {
+        return self.pid;
+    }
+
+    pub fn get_time(&mut self) -> u64 {
+        return self.time;
+    }
+
+    pub fn get_run_finish(&mut self) -> bool {
+        return self.run_finish;
+    }
+
     pub fn get_obj_log(&mut self) -> Option<StatusObj> {
         return StatusObj::new(self.svpath.clone() + "/log", "log".to_string());
     }
diff --git a/01_phase_rust_src/sv-rustit/src/status_obj/check_test.rs b/01_phase_rust_src/sv-rustit/src/status_obj/check_test.rs
new file mode 100644
index 0000000..1bddbd6
--- /dev/null
+++ b/01_phase_rust_src/sv-rustit/src/status_obj/check_test.rs
@@ -0,0 +1,33 @@
+
+use std::fs::File;
+use std::process::Command;
+use std::os::unix::fs::PermissionsExt;
+
+
+pub fn check_test(file: File, run_finish: bool) -> bool {
+    // Check the permission, and return the result of check
+    let meta = file.metadata();
+    match meta {
+        Ok(m) => {
+            let permissions = m.permissions();
+            //println!("permissions: {:o}", permissions.mode() & 0o100700);
+            if permissions.mode() & 0o100700 == 0o100700 {
+                // Execute script
+                let mut command = Command::new("sh");
+                let status = command.arg("check").status();
+                match status {
+                    Ok(s) => {
+                        if s.success() {
+                            return true
+                        } else {
+                            return false
+                        }
+                    },
+                    Err(..) => {}
+                };
+            }
+        },
+        Err(..) => {},
+    };
+    return run_finish;
+}
diff --git a/01_phase_rust_src/sv-rustit/src/status_obj/misc.rs b/01_phase_rust_src/sv-rustit/src/status_obj/misc.rs
index 731d92f..45a20ba 100644
--- a/01_phase_rust_src/sv-rustit/src/status_obj/misc.rs
+++ b/01_phase_rust_src/sv-rustit/src/status_obj/misc.rs
@@ -1,7 +1,4 @@
 
-use tokio::net::unix::pipe;
-use tokio::runtime::Runtime;
-use std::io::ErrorKind;
 
 pub fn make_pause_run(pr_int: u8) -> bool {
     if pr_int == 0 {
@@ -76,58 +73,3 @@ pub fn return_u8_in_u64(table: Vec<u8>) -> u64 {
     return r
 }
 
-pub fn check_fifo(sv: String, path: &str) -> bool {
-    // Check if fifo is available. If yes, return true.
-    // If no, return false.
-    let rt = Runtime::new().unwrap();
-    let _guard = rt.enter();
-
-    let sender = pipe::OpenOptions::new().open_sender(path);
-    match sender {
-        Ok(..) => return true,
-        Err(e) if e.raw_os_error() == Some(libc::ENXIO) => {
-            println!("fail: {sv}: runsv not running");
-            return false;
-        },
-        Err(..) => {
-            println!("warning: {sv}: unable to open {path}: file does not exist");
-            return false;
-        },
-    };
-}
-
-pub fn sent_signal(signal: &[u8]) -> bool {
-    // sent the char to supervise/control.
-    // return true in case everything worked fine, false if there was any errors.
-    let rt = Runtime::new().unwrap();
-    let _guard = rt.enter();
-
-    let sender = pipe::OpenOptions::new().open_sender("supervise/control");
-    match sender {
-        Ok(tx) => {
-            loop {
-                match tx.try_write(signal) {
-                    Ok(..) => {
-                        return true;
-                    },
-                    Err(e) if e.kind() == ErrorKind::WouldBlock => {
-                        continue;
-                    },
-                    Err(e) => {
-                        dbg!(e);
-                        println!("Impossible Error while writing on pipe.");
-                        return false;
-                    },
-                };
-            };
-        },
-        Err(e) if e.raw_os_error() == Some(libc::ENXIO) => {
-            println!("fail: sv: runsv not running");
-            return false;
-        },
-        Err(..) => {
-            println!("warning: sv: unable to open path: file does not exist");
-            return false;
-        },
-    };
-}
diff --git a/01_phase_rust_src/sv-rustit/src/status_obj/sent_signal.rs b/01_phase_rust_src/sv-rustit/src/status_obj/sent_signal.rs
new file mode 100644
index 0000000..76e42fb
--- /dev/null
+++ b/01_phase_rust_src/sv-rustit/src/status_obj/sent_signal.rs
@@ -0,0 +1,62 @@
+
+use tokio::net::unix::pipe;
+use tokio::runtime::Runtime;
+use std::io::ErrorKind;
+
+
+pub fn check_fifo( path: &str) -> u32 {
+    // Check if fifo is available. If yes, return true.
+    // If no, return false.
+    let rt = Runtime::new().unwrap();
+    let _guard = rt.enter();
+
+    let sender = pipe::OpenOptions::new().open_sender(path);
+    match sender {
+        Ok(..) => return 0,
+        Err(e) if e.raw_os_error() == Some(libc::ENXIO) => {
+            //println!("fail: {sv}: runsv not running");
+            return 1;
+        },
+        Err(..) => {
+            //println!("warning: {sv}: unable to open {path}: file does not exist");
+            return 2;
+        },
+    };
+}
+
+pub fn sent_signal(signal: &[u8]) -> bool {
+    // sent the char to supervise/control.
+    // return true in case everything worked fine, false if there was any errors.
+    let rt = Runtime::new().unwrap();
+    let _guard = rt.enter();
+
+    let sender = pipe::OpenOptions::new().open_sender("supervise/control");
+    match sender {
+        Ok(tx) => {
+            loop {
+                match tx.try_write(signal) {
+                    Ok(..) => {
+                        return true;
+                    },
+                    Err(e) if e.kind() == ErrorKind::WouldBlock => {
+                        continue;
+                    },
+                    Err(e) => {
+                        dbg!(e);
+                        println!("Unable to write to supervise/control");
+                        return false;
+                    },
+                };
+            };
+        },
+        Err(e) if e.raw_os_error() == Some(libc::ENXIO) => {
+            println!("fail: sv: runsv not running");
+            return false;
+        },
+        Err(..) => {
+            println!("warning: sv: unable to open path: file does not exist");
+            return false;
+        },
+    };
+}
+