add nto80 x86-64 and aarch64 target

Signed-off-by: Florian Bartels <Florian.Bartels@elektrobit.com>

std/Cargo.toml

@@ -139,8 +139,8 @@ test = true
 level = "warn"
 check-cfg = [
     'cfg(bootstrap)',
-    'cfg(target_arch, values("xtensa", "aarch64-unknown-nto-qnx710_iosock", "x86_64-pc-nto-qnx710_iosock"))',
-    'cfg(target_env, values("nto71_iosock"))',
+    'cfg(target_arch, values("xtensa", "aarch64-unknown-nto-qnx710_iosock", "x86_64-pc-nto-qnx710_iosock", "x86_64-pc-nto-qnx800","aarch64-unknown-nto-qnx800"))',
+    'cfg(target_env, values("nto71_iosock", "nto80"))',
     # std use #[path] imports to portable-simd `std_float` crate
     # and to the `backtrace` crate which messes-up with Cargo list
     # of declared features, we therefor expect any feature cfg

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

@@ -19,8 +19,7 @@ use crate::sys::process::process_common::*;
 use crate::{fmt, mem, sys};
 
 cfg_if::cfg_if! {
-    // This workaround is only needed for QNX 7.0 and 7.1. The bug should have been fixed in 8.0
-    if #[cfg(any(target_env = "nto70", target_env = "nto71", target_env = "nto71_iosock"))] {
+    if #[cfg(target_os = "nto")] {
         use crate::thread;
         use libc::{c_char, posix_spawn_file_actions_t, posix_spawnattr_t};
         use crate::time::Duration;
@@ -187,13 +186,7 @@ impl Command {
 
     // Attempts to fork the process. If successful, returns Ok((0, -1))
     // in the child, and Ok((child_pid, -1)) in the parent.
-    #[cfg(not(any(
-        target_os = "watchos",
-        target_os = "tvos",
-        target_env = "nto70",
-        target_env = "nto71",
-        target_env = "nto71_iosock",
-    )))]
+    #[cfg(not(any(target_os = "watchos", target_os = "tvos", target_os = "nto")))]
     unsafe fn do_fork(&mut self) -> Result<pid_t, io::Error> {
         cvt(libc::fork())
     }
@@ -202,8 +195,7 @@ impl Command {
     // or closed a file descriptor while the fork() was occurring".
     // Documentation says "... or try calling fork() again". This is what we do here.
     // See also https://www.qnx.com/developers/docs/7.1/#com.qnx.doc.neutrino.lib_ref/topic/f/fork.html
-    // This workaround is only needed for QNX 7.0 and 7.1. The bug should have been fixed in 8.0
-    #[cfg(any(target_env = "nto70", target_env = "nto71", target_env = "nto71_iosock"))]
+    #[cfg(target_os = "nto")]
     unsafe fn do_fork(&mut self) -> Result<pid_t, io::Error> {
         use crate::sys::os::errno;