X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=udevd.8;h=b06a2b7af12578071898ac059114cea4e8273fd2;hp=ab13a311070b506cd4641b7e69981e38343f4897;hb=03cfa1394fcc2c4386f8af22e5a4d9fdd7cecc50;hpb=167a27e70f4010fdce561cff2ea1a07730aae28a diff --git a/udevd.8 b/udevd.8 index ab13a3110..b06a2b7af 100644 --- a/udevd.8 +++ b/udevd.8 @@ -1,39 +1,42 @@ .TH UDEVD 8 "February 2004" "" "Linux Administrator's Manual" .SH NAME -udevd \- udev event serializer daemon -.br -udevsend \- sends the event to udevd +udevd, udevdsend \- udev event serializer daemon and udev event sender +.SH SYNOPSIS +.BI udevsend " hotplug-subsystem" .SH "DESCRIPTION" .B udevd allows the serialization of .BR hotplug (8) events. The events generated by the kernel may arrive in random order -in userspace, that makes it neccessary to reorder it. +in userspace, that makes it neccessary to reorder them. .br .B udevd -takes care of the kernel supplied sequence number and arranges the events for -execution in the correct order. Missing sequences are delaying the -execution of the following events until a timeout of a maximum of 5 seconds -is reached. +takes care of the kernel supplied +.B SEQNUM +sequence number and arranges the events for execution in the correct order. +Missing sequences delay the execution of the following events until a timeout +is reached. Events without any sequence number are bypassing the queue and +will be executed immediately. .br For each event a .BR udev (8) -instance is executed in the background. All further events for the same device -are delayed until the execution is finished. This way it will never run more -than one instance for a single device at the same time. +instance is executed in the background with the complete environment received +by the hotplug event. All further events for the same device are delayed until +the execution is finished. This way there will never be more than one instance +running for a single device at the same time. .br .B udevd receives the events from .B udevsend -which is called by -.BR hotplug (8). If .B udevd isn't already running, .B udevsend will start it. .SH "SEE ALSO" -.BR udev (8), " hotplug" (8) +.BR udev (8), +.BR udevinfo (8), +.BR hotplug (8) .SH AUTHORS .B udevd was developed primarily by Kay Sievers , with much help