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use e->errfd directly to create stderr

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Signed-off-by: Lai Jiangshan <jiangshanlai@gmail.com>
This commit is contained in:
Lai Jiangshan
2016-03-09 15:41:41 +08:00
parent 34d842901d
commit fe5c6c29e1
1 changed files with 3 additions and 15 deletions
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src/exec.c
+3 -15
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@@ -261,11 +261,6 @@ int hyper_dup_exec_tty(int to, struct hyper_exec *e)
fd = e->ptyfd;
if (fd < 0) {
perror("open pty device for execcmd failed");
goto out;
}
if (e->tty && (ioctl(fd, TIOCSCTTY, NULL) < 0)) {
perror("ioctl pty device for execcmd failed");
goto out;
@@ -284,16 +279,9 @@ int hyper_dup_exec_tty(int to, struct hyper_exec *e)
goto out;
}
if (e->errseq > 0) {
if (dup2(e->errfd, STDERR_FILENO) < 0) {
perror("dup err pipe to stderr failed");
goto out;
}
} else {
if (dup2(fd, STDERR_FILENO) < 0) {
perror("dup tty device to stderr failed");
goto out;
}
if (dup2(e->errfd, STDERR_FILENO) < 0) {
perror("dup err pipe to stderr failed");
goto out;
}
ret = 0;