diff options
Diffstat (limited to 'src/libstd/sys/redox/syscall')
| -rw-r--r-- | src/libstd/sys/redox/syscall/call.rs | 5 | ||||
| -rw-r--r-- | src/libstd/sys/redox/syscall/number.rs | 1 |
2 files changed, 6 insertions, 0 deletions
diff --git a/src/libstd/sys/redox/syscall/call.rs b/src/libstd/sys/redox/syscall/call.rs index f58c240f31e..fadf7325d75 100644 --- a/src/libstd/sys/redox/syscall/call.rs +++ b/src/libstd/sys/redox/syscall/call.rs @@ -71,6 +71,11 @@ pub fn dup(fd: usize, buf: &[u8]) -> Result<usize> { unsafe { syscall3(SYS_DUP, fd, buf.as_ptr() as usize, buf.len()) } } +/// Copy and transform a file descriptor +pub fn dup2(fd: usize, newfd: usize, buf: &[u8]) -> Result<usize> { + unsafe { syscall4(SYS_DUP2, fd, newfd, buf.as_ptr() as usize, buf.len()) } +} + /// Replace the current process with a new executable pub fn execve(path: &str, args: &[[usize; 2]]) -> Result<usize> { unsafe { syscall4(SYS_EXECVE, path.as_ptr() as usize, path.len(), diff --git a/src/libstd/sys/redox/syscall/number.rs b/src/libstd/sys/redox/syscall/number.rs index 358746cd20a..98f8b73e4e1 100644 --- a/src/libstd/sys/redox/syscall/number.rs +++ b/src/libstd/sys/redox/syscall/number.rs @@ -28,6 +28,7 @@ pub const SYS_UNLINK: usize = SYS_CLASS_PATH | 10; pub const SYS_CLOSE: usize = SYS_CLASS_FILE | 6; pub const SYS_DUP: usize = SYS_CLASS_FILE | SYS_RET_FILE | 41; +pub const SYS_DUP2: usize = SYS_CLASS_FILE | SYS_RET_FILE | 63; pub const SYS_READ: usize = SYS_CLASS_FILE | SYS_ARG_MSLICE | 3; pub const SYS_WRITE: usize = SYS_CLASS_FILE | SYS_ARG_SLICE | 4; pub const SYS_LSEEK: usize = SYS_CLASS_FILE | 19; |