process::Process::suspend and ::resume for nix systems (closes #164)

heim-rs · Sep 10, 2019 · e62ac98 · e62ac98
1 parent 03018e8
commit e62ac98
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diff --git a/heim-process/src/process/mod.rs b/heim-process/src/process/mod.rs
@@ -158,6 +158,34 @@ impl Process {
         self.as_ref().is_running()
     }
 
+    /// Suspend the current process.
+    ///
+    /// Before the signal send, it checks whether process PID has been reused,
+    /// and if it is a case, [`NoSuchProcess`] error will be returned.
+    ///
+    /// ## Compatibility
+    ///
+    /// For *nix systems it sends the `SIGSTOP` signal to process.
+    ///
+    /// [`NoSuchProcess`]: ./enum.ProcessError.html#variant.NoSuchProcess
+    pub fn suspend(&self) -> impl Future<Output = ProcessResult<()>> {
+        self.0.suspend()
+    }
+
+    /// Resume the current process.
+    ///
+    /// Before the signal send, it checks whether process PID has been reused,
+    /// and if it is a case, [`NoSuchProcess`] error will be returned.
+    ///
+    /// ## Compatibility
+    ///
+    /// For *nix systems it sends the `SIGCONT` signal to process.
+    ///
+    /// [`NoSuchProcess`]: ./enum.ProcessError.html#variant.NoSuchProcess
+    pub fn resume(&self) -> impl Future<Output = ProcessResult<()>> {
+        self.0.resume()
+    }
+
     /// Terminate the current process.
     ///
     /// Before the signal send, it checks whether process PID has been reused,

diff --git a/heim-process/src/sys/linux/process/mod.rs b/heim-process/src/sys/linux/process/mod.rs
@@ -115,6 +115,14 @@ impl Process {
         self._signal(signal).boxed()
     }
 
+    pub fn suspend(&self) -> impl Future<Output = ProcessResult<()>> {
+        self._signal(Signal::Stop)
+    }
+
+    pub fn resume(&self) -> impl Future<Output = ProcessResult<()>> {
+        self._signal(Signal::Cont)
+    }
+
     pub fn terminate(&self) -> impl Future<Output = ProcessResult<()>> {
         self._signal(Signal::Term)
     }

diff --git a/heim-process/src/sys/macos/process/mod.rs b/heim-process/src/sys/macos/process/mod.rs
@@ -131,6 +131,14 @@ impl Process {
         self._signal(signal).boxed()
     }
 
+    pub fn suspend(&self) -> impl Future<Output = ProcessResult<()>> {
+        self._signal(Signal::Stop)
+    }
+
+    pub fn resume(&self) -> impl Future<Output = ProcessResult<()>> {
+        self._signal(Signal::Cont)
+    }
+
     pub fn terminate(&self) -> impl Future<Output = ProcessResult<()>> {
         self._signal(Signal::Term)
     }

diff --git a/heim-process/src/sys/windows/process/mod.rs b/heim-process/src/sys/windows/process/mod.rs
@@ -205,6 +205,18 @@ impl Process {
         })
     }
 
+    pub fn suspend(&self) -> impl Future<Output = ProcessResult<()>> {
+        future::lazy(|_| {
+            unimplemented!()
+        })
+    }
+
+    pub fn resume(&self) -> impl Future<Output = ProcessResult<()>> {
+        future::lazy(|_| {
+            unimplemented!()
+        })
+    }
+
     pub fn terminate(&self) -> impl Future<Output = ProcessResult<()>> {
         self.kill()
     }