diff options
Diffstat (limited to 'udev/lib/libudev-ctrl.c')
| -rw-r--r-- | udev/lib/libudev-ctrl.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/udev/lib/libudev-ctrl.c b/udev/lib/libudev-ctrl.c index 570e91c89e..ca8b845b94 100644 --- a/udev/lib/libudev-ctrl.c +++ b/udev/lib/libudev-ctrl.c @@ -42,6 +42,7 @@ enum udev_ctrl_msg_type { UDEV_CTRL_SET_ENV, UDEV_CTRL_SET_MAX_CHILDS, UDEV_CTRL_SET_MAX_CHILDS_RUNNING, + UDEV_CTRL_SETTLE, }; struct udev_ctrl_msg_wire { @@ -58,6 +59,7 @@ struct udev_ctrl_msg { int refcount; struct udev_ctrl *uctrl; struct udev_ctrl_msg_wire ctrl_msg_wire; + pid_t pid; }; struct udev_ctrl { @@ -196,6 +198,11 @@ int udev_ctrl_send_set_max_childs(struct udev_ctrl *uctrl, int count) return ctrl_send(uctrl, UDEV_CTRL_SET_MAX_CHILDS, count, NULL); } +int udev_ctrl_send_settle(struct udev_ctrl *uctrl) +{ + return ctrl_send(uctrl, UDEV_CTRL_SETTLE, 0, NULL); +} + struct udev_ctrl_msg *udev_ctrl_receive_msg(struct udev_ctrl *uctrl) { struct udev_ctrl_msg *uctrl_msg; @@ -239,6 +246,8 @@ struct udev_ctrl_msg *udev_ctrl_receive_msg(struct udev_ctrl *uctrl) goto err; } + uctrl_msg->pid = cred->pid; + if (uctrl_msg->ctrl_msg_wire.magic != UDEV_CTRL_MAGIC) { err(uctrl->udev, "message magic 0x%08x doesn't match, ignore it\n", uctrl_msg->ctrl_msg_wire.magic); goto err; @@ -311,3 +320,10 @@ int udev_ctrl_get_set_max_childs(struct udev_ctrl_msg *ctrl_msg) return ctrl_msg->ctrl_msg_wire.intval; return -1; } + +pid_t udev_ctrl_get_settle(struct udev_ctrl_msg *ctrl_msg) +{ + if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_SETTLE) + return ctrl_msg->pid; + return -1; +} |