From 1376c5a617be5c25655d0d7cb63e3beaa5a6e026 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:20:39 +0200
Subject: Merging upstream version 1.70.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 library/std/src/sys/hermit/fs.rs    |  2 +-
 library/std/src/sys/hermit/futex.rs |  6 +++---
 library/std/src/sys/hermit/mod.rs   | 14 +++++++++++---
 library/std/src/sys/hermit/net.rs   | 31 ++++++++++++++++++++++++-------
 4 files changed, 39 insertions(+), 14 deletions(-)

(limited to 'library/std/src/sys/hermit')

diff --git a/library/std/src/sys/hermit/fs.rs b/library/std/src/sys/hermit/fs.rs
index c966f2177..cf0b27176 100644
--- a/library/std/src/sys/hermit/fs.rs
+++ b/library/std/src/sys/hermit/fs.rs
@@ -202,7 +202,7 @@ impl OpenOptions {
             create: false,
             create_new: false,
             // system-specific
-            mode: 0x777,
+            mode: 0o777,
         }
     }
 
diff --git a/library/std/src/sys/hermit/futex.rs b/library/std/src/sys/hermit/futex.rs
index b64c174b0..427d8ff6f 100644
--- a/library/std/src/sys/hermit/futex.rs
+++ b/library/std/src/sys/hermit/futex.rs
@@ -16,7 +16,7 @@ pub fn futex_wait(futex: &AtomicU32, expected: u32, timeout: Option<Duration>) -
 
     let r = unsafe {
         abi::futex_wait(
-            futex.as_mut_ptr(),
+            futex.as_ptr(),
             expected,
             timespec.as_ref().map_or(null(), |t| t as *const abi::timespec),
             abi::FUTEX_RELATIVE_TIMEOUT,
@@ -28,12 +28,12 @@ pub fn futex_wait(futex: &AtomicU32, expected: u32, timeout: Option<Duration>) -
 
 #[inline]
 pub fn futex_wake(futex: &AtomicU32) -> bool {
-    unsafe { abi::futex_wake(futex.as_mut_ptr(), 1) > 0 }
+    unsafe { abi::futex_wake(futex.as_ptr(), 1) > 0 }
 }
 
 #[inline]
 pub fn futex_wake_all(futex: &AtomicU32) {
     unsafe {
-        abi::futex_wake(futex.as_mut_ptr(), i32::MAX);
+        abi::futex_wake(futex.as_ptr(), i32::MAX);
     }
 }
diff --git a/library/std/src/sys/hermit/mod.rs b/library/std/src/sys/hermit/mod.rs
index d34a4cfed..c7cb84667 100644
--- a/library/std/src/sys/hermit/mod.rs
+++ b/library/std/src/sys/hermit/mod.rs
@@ -15,7 +15,6 @@
 
 #![allow(missing_docs, nonstandard_style, unsafe_op_in_unsafe_fn)]
 
-use crate::intrinsics;
 use crate::os::raw::c_char;
 
 pub mod alloc;
@@ -76,9 +75,18 @@ pub fn abort_internal() -> ! {
     }
 }
 
-// FIXME: just a workaround to test the system
 pub fn hashmap_random_keys() -> (u64, u64) {
-    (1, 2)
+    let mut buf = [0; 16];
+    let mut slice = &mut buf[..];
+    while !slice.is_empty() {
+        let res = cvt(unsafe { abi::read_entropy(slice.as_mut_ptr(), slice.len(), 0) })
+            .expect("failed to generate random hashmap keys");
+        slice = &mut slice[res as usize..];
+    }
+
+    let key1 = buf[..8].try_into().unwrap();
+    let key2 = buf[8..].try_into().unwrap();
+    (u64::from_ne_bytes(key1), u64::from_ne_bytes(key2))
 }
 
 // This function is needed by the panic runtime. The symbol is named in
diff --git a/library/std/src/sys/hermit/net.rs b/library/std/src/sys/hermit/net.rs
index 5fb6281aa..d6f64a297 100644
--- a/library/std/src/sys/hermit/net.rs
+++ b/library/std/src/sys/hermit/net.rs
@@ -1,7 +1,7 @@
 #![allow(dead_code)]
 
 use crate::cmp;
-use crate::io::{self, IoSlice, IoSliceMut};
+use crate::io::{self, BorrowedBuf, BorrowedCursor, IoSlice, IoSliceMut};
 use crate::mem;
 use crate::net::{Shutdown, SocketAddr};
 use crate::os::hermit::io::{AsFd, AsRawFd, BorrowedFd, FromRawFd, RawFd};
@@ -146,18 +146,35 @@ impl Socket {
         Ok(Socket(unsafe { FileDesc::from_raw_fd(fd) }))
     }
 
-    fn recv_with_flags(&self, buf: &mut [u8], flags: i32) -> io::Result<usize> {
-        let ret =
-            cvt(unsafe { netc::recv(self.0.as_raw_fd(), buf.as_mut_ptr(), buf.len(), flags) })?;
-        Ok(ret as usize)
+    fn recv_with_flags(&self, mut buf: BorrowedCursor<'_>, flags: i32) -> io::Result<()> {
+        let ret = cvt(unsafe {
+            netc::recv(
+                self.0.as_raw_fd(),
+                buf.as_mut().as_mut_ptr() as *mut u8,
+                buf.capacity(),
+                flags,
+            )
+        })?;
+        unsafe {
+            buf.advance(ret as usize);
+        }
+        Ok(())
     }
 
     pub fn read(&self, buf: &mut [u8]) -> io::Result<usize> {
-        self.recv_with_flags(buf, 0)
+        let mut buf = BorrowedBuf::from(buf);
+        self.recv_with_flags(buf.unfilled(), 0)?;
+        Ok(buf.len())
     }
 
     pub fn peek(&self, buf: &mut [u8]) -> io::Result<usize> {
-        self.recv_with_flags(buf, netc::MSG_PEEK)
+        let mut buf = BorrowedBuf::from(buf);
+        self.recv_with_flags(buf.unfilled(), netc::MSG_PEEK)?;
+        Ok(buf.len())
+    }
+
+    pub fn read_buf(&self, buf: BorrowedCursor<'_>) -> io::Result<()> {
+        self.recv_with_flags(buf, 0)
     }
 
     pub fn read_vectored(&self, bufs: &mut [IoSliceMut<'_>]) -> io::Result<usize> {
-- 
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