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Add syscall macro to unix

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This commit is contained in:
Jett Chen 2024-04-25 11:32:31 +08:00
parent e8d19986bc
commit 4fe62c0a66
1 changed files with 10 additions and 0 deletions
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10
tun/src/unix/linux/sys.rs
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@ -24,3 +24,13 @@ ioctl_write_ptr_bad!(if_set_addr6, libc::SIOCSIFADDR, libc::in6_ifreq);
ioctl_write_ptr_bad!(if_set_brdaddr, libc::SIOCSIFBRDADDR, libc::ifreq);
ioctl_write_ptr_bad!(if_set_mtu, libc::SIOCSIFMTU, libc::ifreq);
ioctl_write_ptr_bad!(if_set_netmask, libc::SIOCSIFNETMASK, libc::ifreq);
#[macro_export]
macro_rules! syscall {
($call: ident ( $($arg: expr),* $(,)* ) ) => {{
match unsafe { ::libc::$call($($arg, )*) } {
-1 => Err(::std::io::Error::last_os_error()),
res => Ok(res),
}
}};
}