Add method to get create_pidfd value

Author: voidc

library/std/src/sys/unix/process/process_common.rs

@@ -80,7 +80,7 @@ pub struct Command {
     stdout: Option<Stdio>,
     stderr: Option<Stdio>,
     #[cfg(target_os = "linux")]
-    pub(crate) create_pidfd: bool,
+    create_pidfd: bool,
 }
 
 // Create a new type for argv, so that we can make it `Send` and `Sync`
@@ -207,6 +207,17 @@ impl Command {
         self.create_pidfd = val;
     }
 
+    #[cfg(not(target_os = "linux"))]
+    #[allow(dead_code)]
+    pub fn get_create_pidfd(&self) -> bool {
+        false
+    }
+
+    #[cfg(target_os = "linux")]
+    pub fn get_create_pidfd(&self) -> bool {
+        self.create_pidfd
+    }
+
     pub fn saw_nul(&self) -> bool {
         self.saw_nul
     }

library/std/src/sys/unix/process/process_unix.rs

@@ -162,7 +162,7 @@ impl Command {
         // we will fall through this block to a call to `fork()`
         if HAS_CLONE3.load(Ordering::Relaxed) {
             let mut flags = 0;
-            if self.create_pidfd {
+            if self.get_create_pidfd() {
                 flags |= CLONE_PIDFD;
             }
 
@@ -387,7 +387,7 @@ impl Command {
             || (self.env_saw_path() && !self.program_is_path())
             || !self.get_closures().is_empty()
             || self.get_groups().is_some()
-            || self.create_pidfd
+            || self.get_create_pidfd()
         {
             return Ok(None);
         }