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save ptymaster on ptyfd rather than pty slave

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Signed-off-by: Lai Jiangshan <jiangshanlai@gmail.com>
This commit is contained in:
Lai Jiangshan
2016-09-23 23:25:13 +08:00
parent 440e14cde4
commit 56198c3acd
1 changed files with 3 additions and 9 deletions
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src/exec.c
+3 -9
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@@ -394,21 +394,15 @@ static int hyper_setup_exec_tty(struct hyper_exec *e)
return -1;
}
if (sprintf(ptmx, "%s/%d", path, e->ptyno) < 0) {
fprintf(stderr, "get ptmx path failed\n");
return -1;
}
e->ptyfd = ptymaster;
e->ptyfd = open(ptmx, O_RDWR | O_NOCTTY | O_CLOEXEC);
fprintf(stdout, "get pty device for exec %s\n", ptmx);
e->stdinev.fd = ptymaster;
e->stdinev.fd = dup(ptymaster);
e->stdoutev.fd = dup(ptymaster);
if (e->errseq == 0) {
e->stderrev.fd = dup(e->stdoutev.fd);
}
fprintf(stdout, "%s pts event %p, fd %d %d\n",
__func__, &e->stdinev, ptymaster, e->ptyfd);
__func__, &e->stdinev, e->stdinev.fd, e->ptyfd);
return 0;
}