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Merge pull request #3385 from OddBloke/oddbloke/mknod

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stdlib/posix.rs: implement mknod
This commit is contained in:
Jim Fasarakis-Hilliard
2021-10-31 23:27:01 +02:00
committed by GitHub
parent 1442dd69b4 34950fdd2a
commit 5f158f2c6f
2 changed files with 64 additions and 5 deletions
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7
Lib/test/test_posix.py vendored
View File

@@ -1172,11 +1172,8 @@ class PosixTester(unittest.TestCase):
posix.close(f)
support.rmtree(support.TESTFN + 'dir')
# TODO: RUSTPYTHON: AttributeError: module 'os' has no attribute 'mknod'
#
# @unittest.skipUnless((os.mknod in os.supports_dir_fd) and hasattr(stat, 'S_IFIFO'),
# "test requires both stat.S_IFIFO and dir_fd support for os.mknod()")
@unittest.expectedFailure
@unittest.skipUnless((os.mknod in os.supports_dir_fd) and hasattr(stat, 'S_IFIFO'),
"test requires both stat.S_IFIFO and dir_fd support for os.mknod()")
def test_mknod_dir_fd(self):
# Test using mknodat() to create a FIFO (the only use specified
# by POSIX).

62
vm/src/stdlib/posix.rs
View File

@@ -413,6 +413,64 @@ pub mod module {
)
}
#[derive(FromArgs)]
struct MknodArgs {
#[pyarg(any)]
path: PyPathLike,
#[pyarg(any)]
mode: libc::mode_t,
#[pyarg(any)]
device: libc::dev_t,
#[allow(unused)]
#[pyarg(flatten)]
dir_fd: DirFd<1>,
}
impl MknodArgs {
fn _mknod(self, vm: &VirtualMachine) -> PyResult<i32> {
Ok(unsafe {
libc::mknod(
self.path.clone().into_cstring(vm)?.as_ptr(),
self.mode,
self.device,
)
})
}
#[cfg(not(target_os = "macos"))]
fn mknod(self, vm: &VirtualMachine) -> PyResult<()> {
let ret = match self.dir_fd.get_opt() {
None => self._mknod(vm)?,
Some(non_default_fd) => unsafe {
libc::mknodat(
non_default_fd,
self.path.clone().into_cstring(vm)?.as_ptr(),
self.mode,
self.device,
)
},
};
if ret != 0 {
Err(errno_err(vm))
} else {
Ok(())
}
}
#[cfg(target_os = "macos")]
fn mknod(self, vm: &VirtualMachine) -> PyResult<()> {
let ret = self._mknod(vm)?;
if ret != 0 {
Err(errno_err(vm))
} else {
Ok(())
}
}
}
#[pyfunction]
fn mknod(args: MknodArgs, vm: &VirtualMachine) -> PyResult<()> {
args.mknod(vm)
}
#[cfg(not(target_os = "redox"))]
#[pyfunction]
fn nice(increment: i32, vm: &VirtualMachine) -> PyResult<i32> {
@@ -1497,6 +1555,10 @@ pub mod module {
SupportFunc::new("lchown", None, None, None),
#[cfg(not(target_os = "redox"))]
SupportFunc::new("fchown", Some(true), None, Some(true)),
#[cfg(not(target_os = "macos"))]
SupportFunc::new("mknod", Some(true), Some(true), Some(false)),
#[cfg(target_os = "macos")]
SupportFunc::new("mknod", Some(true), Some(false), Some(false)),
SupportFunc::new("umask", Some(false), Some(false), Some(false)),
SupportFunc::new("execv", None, None, None),
SupportFunc::new("pathconf", Some(true), None, None),