Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 45 insertions, 0 deletions

diff --git a/third_party/rust/nix/src/sys/reboot.rs b/third_party/rust/nix/src/sys/reboot.rs
new file mode 100644
index 0000000000..bafa8fc119
--- /dev/null
+++ b/third_party/rust/nix/src/sys/reboot.rs
@@ -0,0 +1,45 @@
+//! Reboot/shutdown or enable/disable Ctrl-Alt-Delete.
+
+use {Error, Result};
+use errno::Errno;
+use libc;
+use void::Void;
+use std::mem::drop;
+
+libc_enum! {
+    /// How exactly should the system be rebooted.
+    ///
+    /// See [`set_cad_enabled()`](fn.set_cad_enabled.html) for
+    /// enabling/disabling Ctrl-Alt-Delete.
+    #[repr(i32)]
+    pub enum RebootMode {
+        RB_HALT_SYSTEM,
+        RB_KEXEC,
+        RB_POWER_OFF,
+        RB_AUTOBOOT,
+        // we do not support Restart2,
+        RB_SW_SUSPEND,
+    }
+}
+
+pub fn reboot(how: RebootMode) -> Result<Void> {
+    unsafe {
+        libc::reboot(how as libc::c_int)
+    };
+    Err(Error::Sys(Errno::last()))
+}
+
+/// Enable or disable the reboot keystroke (Ctrl-Alt-Delete).
+///
+/// Corresponds to calling `reboot(RB_ENABLE_CAD)` or `reboot(RB_DISABLE_CAD)` in C.
+pub fn set_cad_enabled(enable: bool) -> Result<()> {
+    let cmd = if enable {
+        libc::RB_ENABLE_CAD
+    } else {
+        libc::RB_DISABLE_CAD
+    };
+    let res = unsafe {
+        libc::reboot(cmd)
+    };
+    Errno::result(res).map(drop)
+}