mir/criu
2
0
Fork 0
mirror of https://github.com/checkpoint-restore/criu synced 2025-08-30 22:05:36 +00:00
Code Issues Releases Wiki Activity

lazy-pages: use -PID instead of -1 for zombie processes

Browse Source 
This gives somewhat saner debug messages

Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
This commit is contained in:
Mike Rapoport
2016-11-20 11:50:05 +02:00
committed by Andrei Vagin
parent d66d5cdde8
commit 8cf8ddfb33
3 changed files with 7 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
criu/cr-restore.c
View File

@@ -942,7 +942,7 @@ static int restore_one_zombie(CoreEntry *core)
if (inherit_fd_fini() < 0)
return -1;
if (lazy_pages_setup_zombie())
if (lazy_pages_setup_zombie(current->pid.virt))
return -1;
prctl(PR_SET_NAME, (long)(void *)core->tc->comm, 0, 0, 0);

2
criu/include/uffd.h
View File

@@ -3,7 +3,7 @@
struct task_restore_args;
extern int setup_uffd(int pid, struct task_restore_args *task_args);
extern int lazy_pages_setup_zombie(void);
extern int lazy_pages_setup_zombie(int pid);
extern int prepare_lazy_pages_socket(void);
#endif /* __CR_UFFD_H_ */

10
criu/uffd.c
View File

@@ -161,8 +161,8 @@ static int send_uffd(int sendfd, int pid)
goto out;
}
/* for a zombie process pid will be -1 */
if (pid == -1) {
/* for a zombie process pid will be negative */
if (pid < 0) {
ret = 0;
goto out;
}
@@ -200,12 +200,12 @@ static int check_for_uffd()
return 0;
}
int lazy_pages_setup_zombie(void)
int lazy_pages_setup_zombie(int pid)
{
if (!opts.lazy_pages)
return 0;
if (send_uffd(0, -1))
if (send_uffd(0, -pid))
return -1;
return 0;
@@ -482,7 +482,7 @@ static int ud_open(int client, struct lazy_pages_info **_lpi)
}
pr_debug("received PID: %d\n", lpi->pid);
if (lpi->pid == -1) {
if (lpi->pid < 0) {
lpi_fini(lpi);
return 0;
}