rust/src/lib/linux_os.rs

98 lines
2.7 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(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(*mutable int buf) -> int;
fn waitpid(int pid, &mutable int status, int options) -> int;
}
native "cdecl" mod libc_ivec = "" {
fn read(int fd, *u8 buf, uint count) -> int;
fn write(int fd, *u8 buf, uint count) -> int;
fn fread(*u8 buf, uint size, uint n, libc::FILE f) -> uint;
fn fwrite(*u8 buf, uint size, uint n, libc::FILE f) -> 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(str base) -> str { ret "lib" + base + ".so"; }
fn pipe() -> tup(int, int) {
auto fds = tup(mutable 0, 0);
assert (os::libc::pipe(ptr::addr_of(fds._0)) == 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 {
auto 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: