rust/src/lib/linux_os.rs
2011-07-27 15:54:33 +02:00

97 lines
2.8 KiB
Rust

import str::sbuf;
import vec::vbuf;
// FIXME Somehow merge stuff duplicated here and macosx_os.rs. Made difficult
// by https://github.com/graydon/rust/issues#issue/268
native "cdecl" mod libc = "" {
fn open(s: sbuf, flags: int, mode: uint) -> int;
fn read(fd: int, buf: vbuf, count: uint) -> int;
fn write(fd: int, buf: vbuf, count: uint) -> int;
fn close(fd: int) -> int;
type FILE;
fn fopen(path: sbuf, mode: sbuf) -> FILE;
fn fdopen(fd: int, mode: sbuf) -> FILE;
fn fclose(f: FILE);
fn fgetc(f: FILE) -> int;
fn ungetc(c: int, f: FILE);
fn feof(f: FILE) -> int;
fn fread(buf: vbuf, size: uint, n: uint, f: FILE) -> uint;
fn fwrite(buf: vbuf, size: uint, n: uint, f: FILE) -> uint;
fn fseek(f: FILE, offset: int, whence: int) -> int;
fn ftell(f: FILE) -> int;
type dir;
fn opendir(d: sbuf) -> dir;
fn closedir(d: dir) -> int;
type dirent;
fn readdir(d: dir) -> dirent;
fn getenv(n: sbuf) -> sbuf;
fn setenv(n: sbuf, v: sbuf, overwrite: int) -> int;
fn unsetenv(n: sbuf) -> int;
fn pipe(buf: *mutable int) -> int;
fn waitpid(pid: int, status: &mutable int, options: int) -> int;
}
native "cdecl" mod libc_ivec = "" {
fn read(fd: int, buf: *u8, count: uint) -> int;
fn write(fd: int, buf: *u8, count: uint) -> int;
fn fread(buf: *u8, size: uint, n: uint, f: libc::FILE) -> uint;
fn fwrite(buf: *u8, size: uint, n: uint, f: libc::FILE) -> uint;
}
mod libc_constants {
fn O_RDONLY() -> int { ret 0; }
fn O_WRONLY() -> int { ret 1; }
fn O_RDWR() -> int { ret 2; }
fn O_APPEND() -> int { ret 1024; }
fn O_CREAT() -> int { ret 64; }
fn O_EXCL() -> int { ret 128; }
fn O_TRUNC() -> int { ret 512; }
fn O_TEXT() -> int {
ret 0; // nonexistent in linux libc
}
fn O_BINARY() -> int {
ret 0; // nonexistent in linux libc
}
fn S_IRUSR() -> uint { ret 256u; }
fn S_IWUSR() -> uint { ret 128u; }
}
fn exec_suffix() -> str { ret ""; }
fn target_os() -> str { ret "linux"; }
fn dylib_filename(base: str) -> str { ret "lib" + base + ".so"; }
fn pipe() -> {in: int, out: int} {
let fds = {mutable in: 0, mutable out: 0};
assert (os::libc::pipe(ptr::addr_of(fds.in)) == 0);
ret {in: fds.in, out: fds.out};
}
fn fd_FILE(fd: int) -> libc::FILE { ret libc::fdopen(fd, str::buf("r")); }
fn waitpid(pid: int) -> int {
let status = 0;
assert (os::libc::waitpid(pid, status, 0) != -1);
ret status;
}
native "rust" mod rustrt {
fn rust_getcwd() -> str;
}
fn getcwd() -> str { ret rustrt::rust_getcwd(); }
// Local Variables:
// mode: rust;
// fill-column: 78;
// indent-tabs-mode: nil
// c-basic-offset: 4
// buffer-file-coding-system: utf-8-unix
// compile-command: "make -k -C $RBUILD 2>&1 | sed -e 's/\\/x\\//x:\\//g'";
// End: