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Fail when there's an error starting a process. Close #1778.

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This commit is contained in:
Graydon Hoare 2012-03-20 12:38:57 -07:00
parent d3712a287d
commit 0973bccfe2
1 changed files with 5 additions and 3 deletions
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8
src/libcore/run.rs
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@ -161,8 +161,10 @@ Spawns a process and waits for it to terminate
The process id
"]
fn run_program(prog: str, args: [str]) -> int {
ret waitpid(spawn_process(prog, args, none, none,
0i32, 0i32, 0i32));
let pid = spawn_process(prog, args, none, none,
0i32, 0i32, 0i32);
if pid == -1 as pid_t { fail; }
ret waitpid(pid);
}
#[doc ="
@ -190,7 +192,7 @@ fn start_program(prog: str, args: [str]) -> program {
pipe_input.in, pipe_output.out,
pipe_err.out);
if pid == -1i32 { fail; }
if pid == -1 as pid_t { fail; }
libc::close(pipe_input.in);
libc::close(pipe_output.out);
libc::close(pipe_err.out);