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Merged
youknowone merged 8 commits into from
Mar 21, 2026
Merged

A few windows fix #7458

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86a96e7
Disallow instantiation of sys.getwindowsversion type
youknowone Mar 17, 2026
b02cdb6
Remove incorrect WSAHOS errno constant
youknowone Mar 17, 2026
d7d6f7a
Fix mmap resize to raise OSError instead of SystemError
youknowone Mar 17, 2026
24a1719
Fix CreateProcess with empty environment on Windows
youknowone Mar 17, 2026
acb11da
Revert mmap resize error to SystemError and fix errno.rs formatting
youknowone Mar 19, 2026
30e19cd
Fix named mmap resize to raise OSError and unmark test_sleep expected…
youknowone Mar 19, 2026
8b8caca
Use expectedFailureIf for TimeEINTRTest.test_sleep on Linux
youknowone Mar 20, 2026
de0db04
Remove expectedFailure for TimeEINTRTest.test_sleep
youknowone Mar 20, 2026
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Revert mmap resize error to SystemError and fix errno.rs formatting 
mmap resize raises SystemError (not OSError) when mremap is unavailable,
matching CPython behavior. test_mmap catches SystemError to skip unsupported
resize operations.
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@youknowone
youknowone committed Mar 20, 2026
commit acb11da89915717a6977c223d95659c025d515a0
4 changes: 2 additions & 2 deletions crates/stdlib/src/mmap.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1181,7 +1181,7 @@ mod mmap {
fn resize(&self, _newsize: PyIntRef, vm: &VirtualMachine) -> PyResult<()> {
self.check_resizeable(vm)?;
// TODO: implement using mremap on Linux
Err(vm.new_os_error("mmap: resizing not available--no mremap()"))
Err(vm.new_system_error("mmap: resizing not available--no mremap()"))
}

#[cfg(windows)]
Expand All @@ -1204,7 +1204,7 @@ mod mmap {

// Check if this is a Named mmap - these cannot be resized
if let Some(MmapObj::Named(_)) = mmap_guard.as_ref() {
return Err(vm.new_os_error("mmap: cannot resize a named memory mapping"));
return Err(vm.new_system_error("mmap: cannot resize a named memory mapping"));
}

let is_anonymous = handle == INVALID_HANDLE_VALUE as isize;
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11 changes: 5 additions & 6 deletions crates/vm/src/stdlib/errno.rs
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Expand Up @@ -39,12 +39,11 @@ pub mod errors {
WSAENOMORE, WSAENOPROTOOPT, WSAENOTCONN, WSAENOTEMPTY, WSAENOTSOCK, WSAEOPNOTSUPP,
WSAEPFNOSUPPORT, WSAEPROCLIM, WSAEPROTONOSUPPORT, WSAEPROTOTYPE,
WSAEPROVIDERFAILEDINIT, WSAEREFUSED, WSAEREMOTE, WSAESHUTDOWN, WSAESOCKTNOSUPPORT,
WSAESTALE, WSAETIMEDOUT, WSAETOOMANYREFS, WSAEUSERS, WSAEWOULDBLOCK,
WSAID_ACCEPTEX, WSAID_CONNECTEX, WSAID_DISCONNECTEX, WSAID_GETACCEPTEXSOCKADDRS,
WSAID_TRANSMITFILE, WSAID_TRANSMITPACKETS, WSAID_WSAPOLL, WSAID_WSARECVMSG, WSANO_DATA,
WSANO_RECOVERY, WSANOTINITIALISED, WSAPROTOCOL_LEN, WSASERVICE_NOT_FOUND,
WSASYS_STATUS_LEN, WSASYSCALLFAILURE, WSASYSNOTREADY, WSATRY_AGAIN, WSATYPE_NOT_FOUND,
WSAVERNOTSUPPORTED,
WSAESTALE, WSAETIMEDOUT, WSAETOOMANYREFS, WSAEUSERS, WSAEWOULDBLOCK, WSAID_ACCEPTEX,
WSAID_CONNECTEX, WSAID_DISCONNECTEX, WSAID_GETACCEPTEXSOCKADDRS, WSAID_TRANSMITFILE,
WSAID_TRANSMITPACKETS, WSAID_WSAPOLL, WSAID_WSARECVMSG, WSANO_DATA, WSANO_RECOVERY,
WSANOTINITIALISED, WSAPROTOCOL_LEN, WSASERVICE_NOT_FOUND, WSASYS_STATUS_LEN,
WSASYSCALLFAILURE, WSASYSNOTREADY, WSATRY_AGAIN, WSATYPE_NOT_FOUND, WSAVERNOTSUPPORTED,
Comment on lines +42 to +46
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⚠️ Potential issue | 🟠 Major

🧩 Analysis chain

🏁 Script executed:

# First, let's examine the errno.rs file at the specified lines to see the current state
wc -l crates/vm/src/stdlib/errno.rs

Repository: RustPython/RustPython

Length of output: 98

🏁 Script executed:

# Check what's at lines 42-46 in errno.rs
sed -n '40,50p' crates/vm/src/stdlib/errno.rs

Repository: RustPython/RustPython

Length of output: 785

🏁 Script executed:

# Check what's at line 566 in errno.rs
sed -n '560,575p' crates/vm/src/stdlib/errno.rs

Repository: RustPython/RustPython

Length of output: 665

🏁 Script executed:

# Search for WSAHOST_NOT_FOUND in the codebase
rg "WSAHOST_NOT_FOUND" --type rust

Repository: RustPython/RustPython

Length of output: 170

🏁 Script executed:

# Check socket.rs around lines 85-95 for the claimed usage
sed -n '80,100p' crates/stdlib/src/socket.rs

Repository: RustPython/RustPython

Length of output: 1371

🏁 Script executed:

# Check if WSAHOS is defined or referenced elsewhere
rg "WSAHOS" --type rust -B2 -A2

Repository: RustPython/RustPython

Length of output: 888

🏁 Script executed:

# Check broader context around the TODO at line 566
sed -n '560,575p' crates/vm/src/stdlib/errno.rs

Repository: RustPython/RustPython

Length of output: 665

🏁 Script executed:

# Look at the import statements at the top of errno.rs to understand the Windows socket setup
sed -n '1,50p' crates/vm/src/stdlib/errno.rs | head -40

Repository: RustPython/RustPython

Length of output: 1695

🏁 Script executed:

# Check if there are any comments explaining why WSAHOST_NOT_FOUND was removed
rg -B5 -A5 "WSAHOST_NOT_FOUND|WSAHOS" crates/vm/src/stdlib/errno.rs

Repository: RustPython/RustPython

Length of output: 468

Add WSAHOST_NOT_FOUND to the errno module's Windows error exports.

errno no longer exposes WSAHOST_NOT_FOUND at the module level, even though it's a standard Winsock error code used in crates/stdlib/src/socket.rs for EAI mapping. While socket.rs imports this constant directly from windows_sys, the omission leaves the errno module incomplete on Windows. Replace the WSAHOS TODO comment with the correct full constant name.

🤖 Prompt for AI Agents 
Verify each finding against the current code and only fix it if needed.

In `@crates/vm/src/stdlib/errno.rs` around lines 42 - 46, The errno module is
missing the Windows constant WSAHOST_NOT_FOUND in its exported WSA error list;
update the export list in crates/vm/src/stdlib/errno.rs by replacing the
placeholder/TODO (WSAHOS) with the full constant name WSAHOST_NOT_FOUND so the
module exposes that constant (used by crates/stdlib/src/socket.rs for EAI
mapping).

},
};
#[cfg(windows)]
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