add #[allow(deprecated)] annotations

allow using deprecated functions and data structures
in deprecated functions

src/platform/linux/signal.rs

@@ -10,18 +10,21 @@ use super::{
     },
     Sys, e_raw,
 };
+#[allow(deprecated)]
+use crate::header::sys_time::itimerval;
 use crate::{
     error::{Errno, Result},
     header::{
         bits_timespec::timespec,
         signal::{SA_RESTORER, SI_QUEUE, sigaction, siginfo_t, sigset_t, sigval, stack_t},
         sys_select::timeval,
-        sys_time::{self, itimerval},
+        sys_time,
     },
     platform,
 };
 
 impl PalSignal for Sys {
+    #[allow(deprecated)]
     fn getitimer(which: c_int, out: &mut itimerval) -> Result<()> {
         unsafe {
             e_raw(syscall!(GETITIMER, which, ptr::from_mut(out)))?;
@@ -58,6 +61,7 @@ impl PalSignal for Sys {
         Ok(())
     }
 
+    #[allow(deprecated)]
     fn setitimer(which: c_int, new: &itimerval, old: Option<&mut itimerval>) -> Result<()> {
         e_raw(unsafe {
             syscall!(

src/platform/pal/signal.rs

@@ -2,18 +2,20 @@ use super::super::{
     Pal,
     types::{c_int, c_uint, pid_t},
 };
+#[allow(deprecated)]
+use crate::header::sys_time::itimerval;
 use crate::{
     error::{Errno, Result},
     header::{
         bits_timespec::timespec,
         signal::{sigaction, siginfo_t, sigset_t, sigval, stack_t},
-        sys_time::itimerval,
     },
 };
 
 /// Platform abstraction of signal-related functionality.
 pub trait PalSignal: Pal {
     /// Platform implementation of [`getitimer()`](crate::header::sys_time::getitimer) from [`sys/time.h`](crate::header::sys_time).
+    #[allow(deprecated)]
     fn getitimer(which: c_int, out: &mut itimerval) -> Result<()>;
 
     /// Platform implementation of [`kill()`](crate::header::signal::kill) from [`signal.h`](crate::header::signal).
@@ -29,6 +31,7 @@ pub trait PalSignal: Pal {
     fn raise(sig: c_int) -> Result<()>;
 
     /// Platform implementation of [`setitimer()`](crate::header::sys_time::setitimer) from [`sys/time.h`](crate::header::sys_time).
+    #[allow(deprecated)]
     fn setitimer(which: c_int, new: &itimerval, old: Option<&mut itimerval>) -> Result<()>;
 
     /// Platform implementation of [`alarm()`](crate::header::unistd::alarm) from [`unistd.h`](crate::header::unistd).

src/platform/redox/signal.rs

@@ -2,6 +2,8 @@ use super::{
     super::{Pal, PalSignal, types::*},
     Sys,
 };
+#[allow(deprecated)]
+use crate::header::sys_time::{ITIMER_REAL, itimerval};
 use crate::{
     error::{Errno, Result},
     header::{
@@ -12,7 +14,6 @@ use crate::{
             SS_DISABLE, SS_ONSTACK, sigaction, sigevent, siginfo_t, sigset_t, sigval, stack_t,
             ucontext_t,
         },
-        sys_time::{ITIMER_REAL, itimerval},
         time::{itimerspec, timer_internal_t},
     },
     out::Out,
@@ -58,6 +59,7 @@ const _: () = {
 };
 
 impl PalSignal for Sys {
+    #[allow(deprecated)]
     fn getitimer(which: c_int, out: &mut itimerval) -> Result<()> {
         let path = match which {
             ITIMER_REAL => "/scheme/itimer/1",
@@ -100,6 +102,7 @@ impl PalSignal for Sys {
         unsafe { Self::rlct_kill(Self::current_os_tid(), sig as _) }
     }
 
+    #[allow(deprecated)]
     fn setitimer(which: c_int, _new: &itimerval, old: Option<&mut itimerval>) -> Result<()> {
         // TODO: setitimer is no longer part of POSIX and should not be implemented in Redox
         // Change the platform-independent implementation to use POSIX timers.