1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
// Copyright 2012 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 core::prelude::*;
use io;
use io::{ReaderUtil, WriterUtil};
use libc;
use libc::{c_int, pid_t};
use os;
use run;
use run::spawn_process;
use pipes;
use str;
use task;
use vec;
#[cfg(target_os = "win32")]
fn target_env(lib_path: ~str, prog: ~str) -> ~[(~str,~str)] {
let mut env = os::env();
// Make sure we include the aux directory in the path
assert prog.ends_with(~".exe");
let aux_path = prog.slice(0u, prog.len() - 4u) + ~".libaux";
env = do vec::map(env) |pair| {
let (k,v) = *pair;
if k == ~"PATH" { (~"PATH", v + ~";" + lib_path + ~";" + aux_path) }
else { (k,v) }
};
if str::ends_with(prog, ~"rustc.exe") {
env.push((~"RUST_THREADS", ~"1"));
}
return env;
}
#[cfg(target_os = "linux")]
#[cfg(target_os = "macos")]
#[cfg(target_os = "freebsd")]
fn target_env(_lib_path: ~str, _prog: ~str) -> ~[(~str,~str)] {
~[]
}
struct Result {status: int, out: ~str, err: ~str}
// FIXME (#2659): This code is duplicated in core::run::program_output
pub fn run(lib_path: ~str,
prog: ~str,
args: ~[~str],
env: ~[(~str, ~str)],
input: Option<~str>) -> Result {
let pipe_in = os::pipe();
let pipe_out = os::pipe();
let pipe_err = os::pipe();
let pid = spawn_process(prog, args,
&Some(env + target_env(lib_path, prog)),
&None, pipe_in.in, pipe_out.out, pipe_err.out);
os::close(pipe_in.in);
os::close(pipe_out.out);
os::close(pipe_err.out);
if pid == -1i32 {
os::close(pipe_in.out);
os::close(pipe_out.in);
os::close(pipe_err.in);
fail!();
}
writeclose(pipe_in.out, input);
let p = comm::PortSet();
let ch = p.chan();
do task::spawn_sched(task::SingleThreaded) || {
let errput = readclose(pipe_err.in);
ch.send((2, errput));
}
let ch = p.chan();
do task::spawn_sched(task::SingleThreaded) || {
let output = readclose(pipe_out.in);
ch.send((1, output));
}
let status = run::waitpid(pid);
let mut errs = ~"";
let mut outs = ~"";
let mut count = 2;
while count > 0 {
match p.recv() {
(1, s) => {
outs = s;
}
(2, s) => {
errs = s;
}
_ => { fail!() }
};
count -= 1;
};
return Result {status: status, out: outs, err: errs};
}
fn writeclose(fd: c_int, s: Option<~str>) {
if s.is_some() {
let writer = io::fd_writer(fd, false);
writer.write_str(s.get());
}
os::close(fd);
}
fn readclose(fd: c_int) -> ~str {
unsafe {
// Copied from run::program_output
let file = os::fdopen(fd);
let reader = io::FILE_reader(file, false);
let mut buf = ~"";
while !reader.eof() {
let bytes = reader.read_bytes(4096u);
str::push_str(&mut buf, str::from_bytes(bytes));
}
os::fclose(file);
return buf;
}
}
|
