src/udev/udev-event.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 #pragma once
   3
   4 /*
   5  * Copyright © 2003 Greg Kroah-Hartman <greg@kroah.com>
   6  */
   7
   8 #include "sd-device.h"
   9 #include "sd-netlink.h"
  10
  11 #include "hashmap.h"
  12 #include "macro.h"
  13 #include "udev-rules.h"
  14 #include "udev-util.h"
  15 #include "util.h"
  16
  17 #define READ_END  0
  18 #define WRITE_END 1
  19
  20 typedef struct UdevEvent {
  21         sd_device *dev;
  22         sd_device *dev_parent;
  23         sd_device *dev_db_clone;
  24         char *name;
  25         char *program_result;
  26         mode_t mode;
  27         uid_t uid;
  28         gid_t gid;
  29         OrderedHashmap *seclabel_list;
  30         OrderedHashmap *run_list;
  31         usec_t exec_delay_usec;
  32         usec_t birth_usec;
  33         sd_netlink *rtnl;
  34         unsigned builtin_run;
  35         unsigned builtin_ret;
  36         UdevRuleEscapeType esc:8;
  37         bool inotify_watch:1;
  38         bool inotify_watch_final:1;
  39         bool group_final:1;
  40         bool owner_final:1;
  41         bool mode_final:1;
  42         bool name_final:1;
  43         bool devlink_final:1;
  44         bool run_final:1;
  45 } UdevEvent;
  46
  47 UdevEvent *udev_event_new(sd_device *dev, usec_t exec_delay_usec, sd_netlink *rtnl);
  48 UdevEvent *udev_event_free(UdevEvent *event);
  49 DEFINE_TRIVIAL_CLEANUP_FUNC(UdevEvent*, udev_event_free);
  50
  51 size_t udev_event_apply_format(UdevEvent *event,
  52                                const char *src, char *dest, size_t size,
  53                                bool replace_whitespace);
  54 int udev_check_format(const char *value, size_t *offset, const char **hint);
  55 int udev_event_spawn(UdevEvent *event,
  56                      usec_t timeout_usec,
  57                      int timeout_signal,
  58                      bool accept_failure,
  59                      const char *cmd, char *result, size_t ressize);
  60 int udev_event_execute_rules(UdevEvent *event,
  61                              usec_t timeout_usec,
  62                              int timeout_signal,
  63                              Hashmap *properties_list,
  64                              UdevRules *rules);
  65 void udev_event_execute_run(UdevEvent *event, usec_t timeout_usec, int timeout_signal);
  66
  67 static inline usec_t udev_warn_timeout(usec_t timeout_usec) {
  68         return DIV_ROUND_UP(timeout_usec, 3);
  69 }