@@ -29,6 +29,7 @@
#include "qemu/sockets.h"
#include "qemu/error-report.h"
#include "qemu/module.h"
+#include "migration/cpr-state.h"
#include "qemu/qemu-print.h"
#include "chardev/char-io.h"
@@ -190,6 +191,9 @@ static void char_pty_finalize(Object *obj)
Chardev *chr = CHARDEV(obj);
PtyChardev *s = PTY_CHARDEV(obj);
+ if (chr->cpr_enabled) {
+ cpr_delete_fd(chr->label, 0);
+ }
pty_chr_state(chr, 0);
object_unref(OBJECT(s->ioc));
pty_chr_timer_cancel(s);
@@ -317,12 +321,20 @@ static void char_pty_open(Chardev *chr,
char pty_name[PATH_MAX];
char *name;
+ master_fd = cpr_find_fd(chr->label, 0);
+ if (master_fd >= 0) {
+ chr->filename = g_strdup_printf("pty:unknown");
+ goto have_fd;
+ }
+
master_fd = qemu_openpty_raw(&slave_fd, pty_name);
if (master_fd < 0) {
error_setg_errno(errp, errno, "Failed to create PTY");
return;
}
-
+ if (chr->cpr_enabled) {
+ cpr_save_fd(chr->label, 0, master_fd);
+ }
close(slave_fd);
if (!g_unix_set_fd_nonblocking(master_fd, true, NULL)) {
error_setg_errno(errp, errno, "Failed to set FD nonblocking");
@@ -333,6 +345,8 @@ static void char_pty_open(Chardev *chr,
qemu_printf("char device redirected to %s (label %s)\n",
pty_name, chr->label);
+have_fd:
+ qemu_chr_set_feature(chr, QEMU_CHAR_FEATURE_CPR);
s = PTY_CHARDEV(chr);
s->ioc = QIO_CHANNEL(qio_channel_file_new_fd(master_fd));
name = g_strdup_printf("chardev-pty-%s", chr->label);
Save and restore pty descriptors across cpr-exec. Signed-off-by: Steve Sistare <steven.sistare@oracle.com> --- chardev/char-pty.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-)