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
|
// 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 std::os;
use std::str;
use std::io::process::{ProcessExit, Process, ProcessConfig, ProcessOutput};
#[cfg(target_os = "win32")]
fn target_env(lib_path: &str, prog: &str) -> Vec<(~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).to_owned() + ".libaux";
env = env.map(|pair| {
let (k,v) = (*pair).clone();
if k == ~"PATH" { (~"PATH", v + ";" + lib_path + ";" + aux_path) }
else { (k,v) }
});
if prog.ends_with("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) -> Vec<(~str,~str)> {
// Make sure we include the aux directory in the path
let aux_path = prog + ".libaux";
let mut env: Vec<(~str,~str)> = os::env().move_iter().collect();
let var = if cfg!(target_os = "macos") {
"DYLD_LIBRARY_PATH"
} else {
"LD_LIBRARY_PATH"
};
let prev = match env.iter().position(|&(ref k, _)| k.as_slice() == var) {
Some(i) => env.remove(i).unwrap().val1(),
None => ~"",
};
env.push((var.to_owned(), if prev.is_empty() {
lib_path + ":" + aux_path
} else {
lib_path + ":" + aux_path + ":" + prev
}));
return env;
}
pub struct Result {status: ProcessExit, out: ~str, err: ~str}
pub fn run(lib_path: &str,
prog: &str,
args: &[~str],
env: Vec<(~str, ~str)> ,
input: Option<~str>) -> Option<Result> {
let env = env.clone().append(target_env(lib_path, prog).as_slice());
let mut opt_process = Process::configure(ProcessConfig {
program: prog,
args: args,
env: Some(env.as_slice()),
.. ProcessConfig::new()
});
match opt_process {
Ok(ref mut process) => {
for input in input.iter() {
process.stdin.get_mut_ref().write(input.as_bytes()).unwrap();
}
let ProcessOutput { status, output, error } = process.wait_with_output();
Some(Result {
status: status,
out: str::from_utf8_owned(output).unwrap(),
err: str::from_utf8_owned(error).unwrap()
})
},
Err(..) => None
}
}
pub fn run_background(lib_path: &str,
prog: &str,
args: &[~str],
env: Vec<(~str, ~str)> ,
input: Option<~str>) -> Option<Process> {
let env = env.clone().append(target_env(lib_path, prog).as_slice());
let opt_process = Process::configure(ProcessConfig {
program: prog,
args: args,
env: Some(env.as_slice()),
.. ProcessConfig::new()
});
match opt_process {
Ok(mut process) => {
for input in input.iter() {
process.stdin.get_mut_ref().write(input.as_bytes()).unwrap();
}
Some(process)
},
Err(..) => None
}
}
|
