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always setup exec->errfd

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Signed-off-by: Lai Jiangshan <jiangshanlai@gmail.com>
This commit is contained in:
Lai Jiangshan
2016-03-09 15:36:53 +08:00
parent a94833c482
commit 34d842901d
1 changed files with 6 additions and 2 deletions
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src/exec.c
+6 -2
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@@ -245,6 +245,8 @@ int hyper_setup_exec_tty(struct hyper_exec *e)
fprintf(stdout, "get pty device for exec %s\n", ptmx);
done:
if (e->errseq == 0)
e->errfd = e->ptyfd;
fprintf(stdout, "%s pts event %p, fd %d %d\n",
__func__, &e->e, e->e.fd, e->ptyfd);
return 0;
@@ -571,7 +573,8 @@ out:
return ret;
close_tty:
close(exec->ptyfd);
close(exec->errfd);
if (exec->errfd != exec->ptyfd)
close(exec->errfd);
close(exec->e.fd);
free_exec:
hyper_free_exec(exec);
@@ -697,7 +700,8 @@ int hyper_handle_exec_exit(struct hyper_pod *pod, int pid, uint8_t code)
close(exec->ptyfd);
exec->ptyfd = -1;
close(exec->errfd);
if (exec->errfd != exec->ptyfd)
close(exec->errfd);
exec->errfd = -1;
hyper_release_exec(exec, pod);