X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=udevd.h;h=60732fe052d774b796e35926f29fbc757ca04451;hp=8b82ff9a7015ae19a85626cc644fc487bc153c21;hb=c07669bd663d780e4957691e488798aa0178e76b;hpb=e964c2c05d3d6e2bdb21b3461ed7a4e85315cbc1 diff --git a/udevd.h b/udevd.h index 8b82ff9a7..60732fe05 100644 --- a/udevd.h +++ b/udevd.h @@ -25,17 +25,53 @@ #include "list.h" #define UDEV_MAGIC "udevd_" UDEV_VERSION -#define EVENT_TIMEOUT_SEC 5 -#define UDEVSEND_CONNECT_RETRY 20 /* x 100 millisec */ #define UDEVD_SOCK_PATH "udevd" +#define UDEVSEND_WAIT_MAX_SECONDS 3 +#define UDEVSEND_WAIT_LOOP_PER_SECOND 10 -struct hotplug_msg { - char magic[20]; - struct list_head list; +#define UDEVD_PRIORITY -4 +#define UDEV_PRIORITY -2 + +/* duration of initialization phase with shorter timeout */ +#define UDEVD_INIT_TIME 5 +#define UDEVD_INIT_EVENT_TIMEOUT 2 + +/* timeout to wait for missing events */ +#define UDEVD_EVENT_TIMEOUT 5 + +/* maximum limit of runnig childs */ +#define UDEVD_MAX_CHILDS 64 +/* start to throttle forking if maximum number of running childs in our session is reached */ +#define UDEVD_MAX_CHILDS_RUNNING 8 + +/* environment buffer, should match the kernel's size in lib/kobject_uevent.h */ +#define UEVENT_BUFFER_SIZE 1024 +#define UEVENT_NUM_ENVP 32 + +enum udevd_msg_type { + UDEVD_UNKNOWN, + UDEVD_UEVENT, + UDEVD_STOP_EXEC_QUEUE, + UDEVD_START_EXEC_QUEUE, +}; + + +struct udevd_msg { + char magic[32]; + enum udevd_msg_type type; + char envbuf[UEVENT_BUFFER_SIZE+512]; +}; + +struct uevent_msg { + struct list_head node; pid_t pid; - int seqnum; - time_t queue_time; - char action[ACTION_SIZE]; - char devpath[DEVPATH_SIZE]; - char subsystem[SUBSYSTEM_SIZE]; + long queue_time; + char *action; + char *devpath; + char *subsystem; + unsigned long long seqnum; + char *physdevpath; + unsigned int timeout; + char *envp[UEVENT_NUM_ENVP+1]; + char envbuf[]; };