rust/src/lib/linux_os.rs

91 lines
2.4 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 mod libc = "libc.so.6" {
fn open(sbuf s, int flags, uint mode) -> int;
fn read(int fd, vbuf buf, uint count) -> int;
fn write(int fd, vbuf buf, uint count) -> int;
fn close(int fd) -> int;
type FILE;
fn fopen(sbuf path, sbuf mode) -> FILE;
fn fdopen(int fd, sbuf mode) -> FILE;
fn fclose(FILE f);
fn fgetc(FILE f) -> int;
fn ungetc(int c, FILE f);
fn feof(FILE f) -> int;
fn fread(vbuf buf, uint size, uint n, FILE f) -> uint;
fn fwrite(vbuf buf, uint size, uint n, FILE f) -> uint;
fn fseek(FILE f, int offset, int whence) -> int;
fn ftell(FILE f) -> int;
type dir;
fn opendir(sbuf d) -> dir;
fn closedir(dir d) -> int;
type dirent;
fn readdir(dir d) -> dirent;
fn getenv(sbuf n) -> sbuf;
fn setenv(sbuf n, sbuf v, int overwrite) -> int;
fn unsetenv(sbuf n) -> int;
fn pipe(vbuf buf) -> int;
fn waitpid(int pid, vbuf status, int options) -> int;
}
mod libc_constants {
fn O_RDONLY() -> int { ret 0x0000; }
fn O_WRONLY() -> int { ret 0x0001; }
fn O_RDWR() -> int { ret 0x0002; }
fn O_APPEND() -> int { ret 0x0400; }
fn O_CREAT() -> int { ret 0x0040; }
fn O_EXCL() -> int { ret 0x0080; }
fn O_TRUNC() -> int { ret 0x0200; }
fn O_TEXT() -> int { ret 0x0000; } // nonexistent in linux libc
fn O_BINARY() -> int { ret 0x0000; } // nonexistent in linux libc
fn S_IRUSR() -> uint { ret 0x0100u; }
fn S_IWUSR() -> uint { ret 0x0080u; }
}
fn exec_suffix() -> str {
ret "";
}
fn target_os() -> str {
ret "linux";
}
fn dylib_filename(str base) -> str {
ret "lib" + base + ".so";
}
fn pipe() -> tup(int, int) {
let vec[mutable int] fds = vec(mutable 0, 0);
check(os.libc.pipe(_vec.buf[mutable int](fds)) == 0);
ret tup(fds.(0), fds.(1));
}
fn fd_FILE(int fd) -> libc.FILE {
ret libc.fdopen(fd, _str.buf("r"));
}
fn waitpid(int pid) -> int {
let vec[mutable int] status = vec(mutable 0);
check(os.libc.waitpid(pid, _vec.buf[mutable int](status), 0) != -1);
ret status.(0);
}
// 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 .. 2>&1 | sed -e 's/\\/x\\//x:\\//g'";
// End: