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Diffstat (limited to 'ctr-std/src/sys/redox/syscall/call.rs')
| -rw-r--r-- | ctr-std/src/sys/redox/syscall/call.rs | 363 |
1 files changed, 0 insertions, 363 deletions
diff --git a/ctr-std/src/sys/redox/syscall/call.rs b/ctr-std/src/sys/redox/syscall/call.rs deleted file mode 100644 index f9a8bd6..0000000 --- a/ctr-std/src/sys/redox/syscall/call.rs +++ /dev/null @@ -1,363 +0,0 @@ -// Copyright 2016 The Rust Project Developers. See the COPYRIGHT -// file at the top-level directory of this distribution and at -// http://rust-lang.org/COPYRIGHT. -// -// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or -// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license -// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your -// option. This file may not be copied, modified, or distributed -// except according to those terms. - -use super::arch::*; -use super::data::{SigAction, Stat, StatVfs, TimeSpec}; -use super::error::Result; -use super::number::*; - -use core::{mem, ptr}; - -// Signal restorer -extern "C" fn restorer() -> ! { - sigreturn().unwrap(); - unreachable!(); -} - -/// Set the end of the process's heap -/// -/// When `addr` is `0`, this function will return the current break. -/// -/// When `addr` is nonzero, this function will attempt to set the end of the process's -/// heap to `addr` and return the new program break. The new program break should be -/// checked by the allocator, it may not be exactly `addr`, as it may be aligned to a page -/// boundary. -/// -/// On error, `Err(ENOMEM)` will be returned indicating that no memory is available -pub unsafe fn brk(addr: usize) -> Result<usize> { - syscall1(SYS_BRK, addr) -} - -/// Change the process's working directory -/// -/// This function will attempt to set the process's working directory to `path`, which can be -/// either a relative, scheme relative, or absolute path. -/// -/// On success, `Ok(0)` will be returned. On error, one of the following errors will be returned. -/// -/// # Errors -/// -/// * `EACCES` - permission is denied for one of the components of `path`, or `path` -/// * `EFAULT` - `path` does not point to the process's addressible memory -/// * `EIO` - an I/O error occurred -/// * `ENOENT` - `path` does not exit -/// * `ENOTDIR` - `path` is not a directory -pub fn chdir<T: AsRef<[u8]>>(path: T) -> Result<usize> { - unsafe { syscall2(SYS_CHDIR, path.as_ref().as_ptr() as usize, path.as_ref().len()) } -} - -pub fn chmod<T: AsRef<[u8]>>(path: T, mode: usize) -> Result<usize> { - unsafe { syscall3(SYS_CHMOD, path.as_ref().as_ptr() as usize, path.as_ref().len(), mode) } -} - -/// Produce a fork of the current process, or a new process thread -pub unsafe fn clone(flags: usize) -> Result<usize> { - syscall1_clobber(SYS_CLONE, flags) -} - -/// Close a file -pub fn close(fd: usize) -> Result<usize> { - unsafe { syscall1(SYS_CLOSE, fd) } -} - -/// Get the current system time -pub fn clock_gettime(clock: usize, tp: &mut TimeSpec) -> Result<usize> { - unsafe { syscall2(SYS_CLOCK_GETTIME, clock, tp as *mut TimeSpec as usize) } -} - -/// Copy and transform a file descriptor -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<T: AsRef<[u8]>>(path: T, args: &[[usize; 2]]) -> Result<usize> { - unsafe { syscall4(SYS_EXECVE, path.as_ref().as_ptr() as usize, - path.as_ref().len(), args.as_ptr() as usize, args.len()) } -} - -/// Exit the current process -pub fn exit(status: usize) -> Result<usize> { - unsafe { syscall1(SYS_EXIT, status) } -} - -/// Change file permissions -pub fn fchmod(fd: usize, mode: u16) -> Result<usize> { - unsafe { syscall2(SYS_FCHMOD, fd, mode as usize) } - -} - -/// Change file ownership -pub fn fchown(fd: usize, uid: u32, gid: u32) -> Result<usize> { - unsafe { syscall3(SYS_FCHOWN, fd, uid as usize, gid as usize) } - -} - -/// Change file descriptor flags -pub fn fcntl(fd: usize, cmd: usize, arg: usize) -> Result<usize> { - unsafe { syscall3(SYS_FCNTL, fd, cmd, arg) } -} - -/// Register a file for event-based I/O -pub fn fevent(fd: usize, flags: usize) -> Result<usize> { - unsafe { syscall2(SYS_FEVENT, fd, flags) } -} - -/// Map a file into memory -pub unsafe fn fmap(fd: usize, offset: usize, size: usize) -> Result<usize> { - syscall3(SYS_FMAP, fd, offset, size) -} - -/// Unmap a memory-mapped file -pub unsafe fn funmap(addr: usize) -> Result<usize> { - syscall1(SYS_FUNMAP, addr) -} - -/// Retrieve the canonical path of a file -pub fn fpath(fd: usize, buf: &mut [u8]) -> Result<usize> { - unsafe { syscall3(SYS_FPATH, fd, buf.as_mut_ptr() as usize, buf.len()) } -} - -/// Rename a file -pub fn frename<T: AsRef<[u8]>>(fd: usize, path: T) -> Result<usize> { - unsafe { syscall3(SYS_FRENAME, fd, path.as_ref().as_ptr() as usize, path.as_ref().len()) } -} - -/// Get metadata about a file -pub fn fstat(fd: usize, stat: &mut Stat) -> Result<usize> { - unsafe { syscall3(SYS_FSTAT, fd, stat as *mut Stat as usize, mem::size_of::<Stat>()) } -} - -/// Get metadata about a filesystem -pub fn fstatvfs(fd: usize, stat: &mut StatVfs) -> Result<usize> { - unsafe { syscall3(SYS_FSTATVFS, fd, stat as *mut StatVfs as usize, mem::size_of::<StatVfs>()) } -} - -/// Sync a file descriptor to its underlying medium -pub fn fsync(fd: usize) -> Result<usize> { - unsafe { syscall1(SYS_FSYNC, fd) } -} - -/// Truncate or extend a file to a specified length -pub fn ftruncate(fd: usize, len: usize) -> Result<usize> { - unsafe { syscall2(SYS_FTRUNCATE, fd, len) } -} - -// Change modify and/or access times -pub fn futimens(fd: usize, times: &[TimeSpec]) -> Result<usize> { - unsafe { syscall3(SYS_FUTIMENS, fd, times.as_ptr() as usize, - times.len() * mem::size_of::<TimeSpec>()) } -} - -/// Fast userspace mutex -pub unsafe fn futex(addr: *mut i32, op: usize, val: i32, val2: usize, addr2: *mut i32) - -> Result<usize> { - syscall5(SYS_FUTEX, addr as usize, op, (val as isize) as usize, val2, addr2 as usize) -} - -/// Get the current working directory -pub fn getcwd(buf: &mut [u8]) -> Result<usize> { - unsafe { syscall2(SYS_GETCWD, buf.as_mut_ptr() as usize, buf.len()) } -} - -/// Get the effective group ID -pub fn getegid() -> Result<usize> { - unsafe { syscall0(SYS_GETEGID) } -} - -/// Get the effective namespace -pub fn getens() -> Result<usize> { - unsafe { syscall0(SYS_GETENS) } -} - -/// Get the effective user ID -pub fn geteuid() -> Result<usize> { - unsafe { syscall0(SYS_GETEUID) } -} - -/// Get the current group ID -pub fn getgid() -> Result<usize> { - unsafe { syscall0(SYS_GETGID) } -} - -/// Get the current namespace -pub fn getns() -> Result<usize> { - unsafe { syscall0(SYS_GETNS) } -} - -/// Get the current process ID -pub fn getpid() -> Result<usize> { - unsafe { syscall0(SYS_GETPID) } -} - -/// Get the process group ID -pub fn getpgid(pid: usize) -> Result<usize> { - unsafe { syscall1(SYS_GETPGID, pid) } -} - -/// Get the parent process ID -pub fn getppid() -> Result<usize> { - unsafe { syscall0(SYS_GETPPID) } -} - -/// Get the current user ID -pub fn getuid() -> Result<usize> { - unsafe { syscall0(SYS_GETUID) } -} - -/// Set the I/O privilege level -pub unsafe fn iopl(level: usize) -> Result<usize> { - syscall1(SYS_IOPL, level) -} - -/// Send a signal `sig` to the process identified by `pid` -pub fn kill(pid: usize, sig: usize) -> Result<usize> { - unsafe { syscall2(SYS_KILL, pid, sig) } -} - -/// Create a link to a file -pub unsafe fn link(old: *const u8, new: *const u8) -> Result<usize> { - syscall2(SYS_LINK, old as usize, new as usize) -} - -/// Seek to `offset` bytes in a file descriptor -pub fn lseek(fd: usize, offset: isize, whence: usize) -> Result<usize> { - unsafe { syscall3(SYS_LSEEK, fd, offset as usize, whence) } -} - -/// Make a new scheme namespace -pub fn mkns(schemes: &[[usize; 2]]) -> Result<usize> { - unsafe { syscall2(SYS_MKNS, schemes.as_ptr() as usize, schemes.len()) } -} - -/// Sleep for the time specified in `req` -pub fn nanosleep(req: &TimeSpec, rem: &mut TimeSpec) -> Result<usize> { - unsafe { syscall2(SYS_NANOSLEEP, req as *const TimeSpec as usize, - rem as *mut TimeSpec as usize) } -} - -/// Open a file -pub fn open<T: AsRef<[u8]>>(path: T, flags: usize) -> Result<usize> { - unsafe { syscall3(SYS_OPEN, path.as_ref().as_ptr() as usize, path.as_ref().len(), flags) } -} - -/// Allocate pages, linearly in physical memory -pub unsafe fn physalloc(size: usize) -> Result<usize> { - syscall1(SYS_PHYSALLOC, size) -} - -/// Free physically allocated pages -pub unsafe fn physfree(physical_address: usize, size: usize) -> Result<usize> { - syscall2(SYS_PHYSFREE, physical_address, size) -} - -/// Map physical memory to virtual memory -pub unsafe fn physmap(physical_address: usize, size: usize, flags: usize) -> Result<usize> { - syscall3(SYS_PHYSMAP, physical_address, size, flags) -} - -/// Unmap previously mapped physical memory -pub unsafe fn physunmap(virtual_address: usize) -> Result<usize> { - syscall1(SYS_PHYSUNMAP, virtual_address) -} - -/// Create a pair of file descriptors referencing the read and write ends of a pipe -pub fn pipe2(fds: &mut [usize; 2], flags: usize) -> Result<usize> { - unsafe { syscall2(SYS_PIPE2, fds.as_ptr() as usize, flags) } -} - -/// Read from a file descriptor into a buffer -pub fn read(fd: usize, buf: &mut [u8]) -> Result<usize> { - unsafe { syscall3(SYS_READ, fd, buf.as_mut_ptr() as usize, buf.len()) } -} - -/// Remove a directory -pub fn rmdir<T: AsRef<[u8]>>(path: T) -> Result<usize> { - unsafe { syscall2(SYS_RMDIR, path.as_ref().as_ptr() as usize, path.as_ref().len()) } -} - -/// Set the process group ID -pub fn setpgid(pid: usize, pgid: usize) -> Result<usize> { - unsafe { syscall2(SYS_SETPGID, pid, pgid) } -} - -/// Set the current process group IDs -pub fn setregid(rgid: usize, egid: usize) -> Result<usize> { - unsafe { syscall2(SYS_SETREGID, rgid, egid) } -} - -/// Make a new scheme namespace -pub fn setrens(rns: usize, ens: usize) -> Result<usize> { - unsafe { syscall2(SYS_SETRENS, rns, ens) } -} - -/// Set the current process user IDs -pub fn setreuid(ruid: usize, euid: usize) -> Result<usize> { - unsafe { syscall2(SYS_SETREUID, ruid, euid) } -} - -/// Set up a signal handler -pub fn sigaction(sig: usize, act: Option<&SigAction>, oldact: Option<&mut SigAction>) --> Result<usize> { - unsafe { syscall4(SYS_SIGACTION, sig, - act.map(|x| x as *const _).unwrap_or_else(ptr::null) as usize, - oldact.map(|x| x as *mut _).unwrap_or_else(ptr::null_mut) as usize, - restorer as usize) } -} - -// Return from signal handler -pub fn sigreturn() -> Result<usize> { - unsafe { syscall0(SYS_SIGRETURN) } -} - -/// Remove a file -pub fn unlink<T: AsRef<[u8]>>(path: T) -> Result<usize> { - unsafe { syscall2(SYS_UNLINK, path.as_ref().as_ptr() as usize, path.as_ref().len()) } -} - -/// Convert a virtual address to a physical one -pub unsafe fn virttophys(virtual_address: usize) -> Result<usize> { - syscall1(SYS_VIRTTOPHYS, virtual_address) -} - -/// Check if a child process has exited or received a signal -pub fn waitpid(pid: usize, status: &mut usize, options: usize) -> Result<usize> { - unsafe { syscall3(SYS_WAITPID, pid, status as *mut usize as usize, options) } -} - -/// Write a buffer to a file descriptor -/// -/// The kernel will attempt to write the bytes in `buf` to the file descriptor `fd`, returning -/// either an `Err`, explained below, or `Ok(count)` where `count` is the number of bytes which -/// were written. -/// -/// # Errors -/// -/// * `EAGAIN` - the file descriptor was opened with `O_NONBLOCK` and writing would block -/// * `EBADF` - the file descriptor is not valid or is not open for writing -/// * `EFAULT` - `buf` does not point to the process's addressible memory -/// * `EIO` - an I/O error occurred -/// * `ENOSPC` - the device containing the file descriptor has no room for data -/// * `EPIPE` - the file descriptor refers to a pipe or socket whose reading end is closed -pub fn write(fd: usize, buf: &[u8]) -> Result<usize> { - unsafe { syscall3(SYS_WRITE, fd, buf.as_ptr() as usize, buf.len()) } -} - -/// Yield the process's time slice to the kernel -/// -/// This function will return Ok(0) on success -pub fn sched_yield() -> Result<usize> { - unsafe { syscall0(SYS_YIELD) } -} |