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// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build plan9
#include <u.h>
#include <libc.h>
int
runcmd(char **argv)
{
int pid;
Waitmsg *w;
switch(pid = fork()) {
case -1:
return -1;
case 0:
exec(argv[0], argv);
fprint(2, "exec %s: %r\n", argv[0]);
exits("exec");
}
w = wait();
if(w == nil)
return -1;
if(w->pid != pid) {
werrstr("unexpected pid in wait");
free(w);
return -1;
}
if(w->msg[0]) {
werrstr("unsuccessful exit status: %s", w->msg);
free(w);
return -1;
}
free(w);
return 0;
}
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