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https://github.com/checkpoint-restore/criu
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bce89dba4b
I'm really lucky.
prepare_ctl_tty:
e->fd = get_service_fd(CTL_TTY_OFF); // -1 as fd is not set
send_fd_to_self:
if (dup2(fd, dfd) != dfd) { // tries to install sfd, but -1 == -1
tty_restore_ctl_terminal:
if (!is_service_fd(fd, CTL_TTY_OFF))
return fd == get_service_fd(type); // -1 = -1
Signed-off-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
crtools ======= An utility to checkpoint/restore tasks. Some code snippets are borrowed from - Linux kernel (http://kernel.org/) - git (http://git-scm.com/) - kvm-tools (https://github.com/penberg/linux-kvm) - ptrace-parasite (https://code.google.com/p/ptrace-parasite/) Many thanks to these projects. Licensed under GPLv2 (http://www.gnu.org/licenses/gpl-2.0.txt)