diff --git a/library/std/src/os/windows/process.rs b/library/std/src/os/windows/process.rs index 9cca27fa5dd5b..05ffb8925a1f0 100644 --- a/library/std/src/os/windows/process.rs +++ b/library/std/src/os/windows/process.rs @@ -181,6 +181,14 @@ pub trait CommandExt: Sealed { #[stable(feature = "windows_process_extensions", since = "1.16.0")] fn creation_flags(&mut self, flags: u32) -> &mut process::Command; + /// Sets the field `wShowWindow` of [STARTUPINFO][1] that is passed to `CreateProcess`. + /// Allowed values are the ones listed in + /// + /// + /// [1]: + #[unstable(feature = "windows_process_extensions_show_window", issue = "127544")] + fn show_window(&mut self, cmd_show: u16) -> &mut process::Command; + /// Forces all arguments to be wrapped in quote (`"`) characters. /// /// This is useful for passing arguments to [MSYS2/Cygwin][1] based @@ -370,6 +378,11 @@ impl CommandExt for process::Command { self } + fn show_window(&mut self, cmd_show: u16) -> &mut process::Command { + self.as_inner_mut().show_window(Some(cmd_show)); + self + } + fn force_quotes(&mut self, enabled: bool) -> &mut process::Command { self.as_inner_mut().force_quotes(enabled); self diff --git a/library/std/src/sys/pal/windows/process.rs b/library/std/src/sys/pal/windows/process.rs index 2da986a1494ef..c62764696b86b 100644 --- a/library/std/src/sys/pal/windows/process.rs +++ b/library/std/src/sys/pal/windows/process.rs @@ -163,6 +163,7 @@ pub struct Command { env: CommandEnv, cwd: Option, flags: u32, + show_window: Option, detach: bool, // not currently exposed in std::process stdin: Option, stdout: Option, @@ -194,6 +195,7 @@ impl Command { env: Default::default(), cwd: None, flags: 0, + show_window: None, detach: false, stdin: None, stdout: None, @@ -224,6 +226,9 @@ impl Command { pub fn creation_flags(&mut self, flags: u32) { self.flags = flags; } + pub fn show_window(&mut self, cmd_show: Option) { + self.show_window = cmd_show; + } pub fn force_quotes(&mut self, enabled: bool) { self.force_quotes_enabled = enabled; @@ -337,6 +342,11 @@ impl Command { si.hStdError = stderr.as_raw_handle(); } + if let Some(cmd_show) = self.show_window { + si.dwFlags |= c::STARTF_USESHOWWINDOW; + si.wShowWindow = cmd_show; + } + let si_ptr: *mut c::STARTUPINFOW; let mut proc_thread_attribute_list;