[−][src]Function linux::syscall::dup3

pub fn dup3(oldfd: c_int, newfd: c_int, flags: c_int) -> c_int

Duplicates a file descriptor by replacing another one.

[argument, oldfd] The file descriptor to duplicate.

[argument, newfd] The file descriptor to replace.

[argument, flags] Flags to use when creating the new file descriptor.

= Remarks

Unless lrs was compiled with the no-auto-cloexec flag, this function automatically adds the O_CLOEXEC flag.

= See also