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stdlib/posix.rs: fix mknod for MacOS

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mknod at isn't available in their libc.
This commit is contained in:
Daniel Watkins
2021-10-28 12:05:48 -04:00
parent 156cf6bc86
commit 34950fdd2a
1 changed files with 25 additions and 8 deletions
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33
vm/src/stdlib/posix.rs
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@@ -421,24 +421,29 @@ pub mod module {
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 => unsafe {
libc::mknod(
self.path.into_cstring(vm)?.as_ptr(),
self.mode,
self.device,
)
},
None => self._mknod(vm)?,
Some(non_default_fd) => unsafe {
libc::mknodat(
non_default_fd,
self.path.into_cstring(vm)?.as_ptr(),
self.path.clone().into_cstring(vm)?.as_ptr(),
self.mode,
self.device,
)
@@ -450,6 +455,15 @@ pub mod module {
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]
@@ -1541,7 +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),