mirror of
https://github.com/golang/go
synced 2024-11-14 22:50:27 -07:00
44 lines
810 B
C
44 lines
810 B
C
// Copyright 2013 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build darwin freebsd linux netbsd openbsd
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#include <u.h>
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#include <errno.h>
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#include <sys/wait.h>
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#define NOPLAN9DEFINES
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#include <libc.h>
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int
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runcmd(char **argv)
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{
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int pid, pid1, status;
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switch(pid = fork()) {
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case -1:
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return -1;
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case 0:
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execvp(argv[0], argv);
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fprint(2, "exec %s: %r\n", argv[0]);
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_exit(1);
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}
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while((pid1 = wait(&status)) < 0) {
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if(errno != EINTR) {
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werrstr("waitpid: %r");
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return -1;
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}
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}
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if(pid1 != pid) {
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werrstr("unexpected pid in wait");
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return -1;
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}
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if(!WIFEXITED(status) || WEXITSTATUS(status) != 0) {
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werrstr("unsuccessful exit status %#x", status);
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return -1;
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}
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return 0;
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}
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