| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| #pragma once |
| |
| #include "sd-event.h" |
| |
| #include "macro.h" |
| #include "time-util.h" |
| |
| typedef struct UdevCtrl UdevCtrl; |
| |
| typedef enum UdevCtrlMessageType { |
| _UDEV_CTRL_END_MESSAGES, |
| UDEV_CTRL_SET_LOG_LEVEL, |
| UDEV_CTRL_STOP_EXEC_QUEUE, |
| UDEV_CTRL_START_EXEC_QUEUE, |
| UDEV_CTRL_RELOAD, |
| UDEV_CTRL_SET_ENV, |
| UDEV_CTRL_SET_CHILDREN_MAX, |
| UDEV_CTRL_PING, |
| UDEV_CTRL_EXIT, |
| } UdevCtrlMessageType; |
| |
| typedef union UdevCtrlMessageValue { |
| int intval; |
| char buf[256]; |
| } UdevCtrlMessageValue; |
| |
| typedef int (*udev_ctrl_handler_t)(UdevCtrl *udev_ctrl, UdevCtrlMessageType type, |
| const UdevCtrlMessageValue *value, void *userdata); |
| |
| int udev_ctrl_new_from_fd(UdevCtrl **ret, int fd); |
| static inline int udev_ctrl_new(UdevCtrl **ret) { |
| return udev_ctrl_new_from_fd(ret, -1); |
| } |
| |
| int udev_ctrl_enable_receiving(UdevCtrl *uctrl); |
| UdevCtrl *udev_ctrl_ref(UdevCtrl *uctrl); |
| UdevCtrl *udev_ctrl_unref(UdevCtrl *uctrl); |
| int udev_ctrl_attach_event(UdevCtrl *uctrl, sd_event *event); |
| int udev_ctrl_start(UdevCtrl *uctrl, udev_ctrl_handler_t callback, void *userdata); |
| sd_event_source *udev_ctrl_get_event_source(UdevCtrl *uctrl); |
| |
| int udev_ctrl_wait(UdevCtrl *uctrl, usec_t timeout); |
| |
| int udev_ctrl_send(UdevCtrl *uctrl, UdevCtrlMessageType type, const void *data); |
| static inline int udev_ctrl_send_set_log_level(UdevCtrl *uctrl, int priority) { |
| return udev_ctrl_send(uctrl, UDEV_CTRL_SET_LOG_LEVEL, INT_TO_PTR(priority)); |
| } |
| |
| static inline int udev_ctrl_send_stop_exec_queue(UdevCtrl *uctrl) { |
| return udev_ctrl_send(uctrl, UDEV_CTRL_STOP_EXEC_QUEUE, NULL); |
| } |
| |
| static inline int udev_ctrl_send_start_exec_queue(UdevCtrl *uctrl) { |
| return udev_ctrl_send(uctrl, UDEV_CTRL_START_EXEC_QUEUE, NULL); |
| } |
| |
| static inline int udev_ctrl_send_reload(UdevCtrl *uctrl) { |
| return udev_ctrl_send(uctrl, UDEV_CTRL_RELOAD, NULL); |
| } |
| |
| static inline int udev_ctrl_send_set_env(UdevCtrl *uctrl, const char *key) { |
| return udev_ctrl_send(uctrl, UDEV_CTRL_SET_ENV, key); |
| } |
| |
| static inline int udev_ctrl_send_set_children_max(UdevCtrl *uctrl, int count) { |
| return udev_ctrl_send(uctrl, UDEV_CTRL_SET_CHILDREN_MAX, INT_TO_PTR(count)); |
| } |
| |
| static inline int udev_ctrl_send_ping(UdevCtrl *uctrl) { |
| return udev_ctrl_send(uctrl, UDEV_CTRL_PING, NULL); |
| } |
| |
| static inline int udev_ctrl_send_exit(UdevCtrl *uctrl) { |
| return udev_ctrl_send(uctrl, UDEV_CTRL_EXIT, NULL); |
| } |
| |
| DEFINE_TRIVIAL_CLEANUP_FUNC(UdevCtrl*, udev_ctrl_unref); |