From 88ce642492339f49a0b391af40e5798c08948e49 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Thu, 13 Feb 2020 14:26:47 +0100 Subject: um: Implement time-travel=ext This implements synchronized time-travel mode which - using a special application on a unix socket - lets multiple machines take part in a time-travelling simulation together. The protocol for the unix domain socket is defined in the new file include/uapi/linux/um_timetravel.h. Signed-off-by: Johannes Berg Signed-off-by: Richard Weinberger --- arch/um/include/shared/os.h | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/um/include/shared/os.h') diff --git a/arch/um/include/shared/os.h b/arch/um/include/shared/os.h index 0f30204b6afa..f467d28fc0b4 100644 --- a/arch/um/include/shared/os.h +++ b/arch/um/include/shared/os.h @@ -181,6 +181,7 @@ extern int os_falloc_punch(int fd, unsigned long long offset, int count); extern int os_eventfd(unsigned int initval, int flags); extern int os_sendmsg_fds(int fd, const void *buf, unsigned int len, const int *fds, unsigned int fds_num); +int os_poll(unsigned int n, const int *fds); /* start_up.c */ extern void os_early_checks(void); -- cgit v1.2.3