Changeset eac2c4e in rtems


Ignore:
Timestamp:
Aug 13, 1998, 6:18:18 PM (22 years ago)
Author:
Joel Sherrill <joel.sherrill@…>
Branches:
4.10, 4.11, 4.8, 4.9, master
Children:
abb3c75
Parents:
3e6d749
Message:

Added text to clarify the queueing of multiple events.

File:
1 edited

Legend:

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  • doc/user/event.t

    r3e6d749 reac2c4e  
    4444
    4545@item Events are not queued.  In other words, if an event is
    46 sent more than once before being received, the second and
    47 subsequent send operations have no effect.
    48 @end itemize
    49 
    50 An event set is posted when it is directed (or sent)
    51 to a task.  A pending event is an event that has been posted but
    52 not received.  An event condition is used to specify the events
    53 which the task desires to receive and the algorithm which will
    54 be used to determine when the request is satisfied. An event
    55 condition is satisfied based upon one of two algorithms which
    56 are selected by the user.  The @code{@value{RPREFIX}EVENT_ANY} algorithm states that
    57 an event condition is satisfied when at least a single requested
    58 event is posted.  The @code{@value{RPREFIX}EVENT_ALL} algorithm states that an event
    59 condition is satisfied when every requested event is posted.
     46sent more than once to a task before being received, the second and
     47subsequent send operations to that same task have no effect. 
     48@end itemize
     49
     50An event set is posted when it is directed (or sent) to a task.  A
     51pending event is an event that has been posted but not received.  An event
     52condition is used to specify the events which the task desires to receive
     53and the algorithm which will be used to determine when the request is
     54satisfied. An event condition is satisfied based upon one of two
     55algorithms which are selected by the user.  The
     56@code{@value{RPREFIX}EVENT_ANY} algorithm states that an event condition
     57is satisfied when at least a single requested event is posted.  The
     58@code{@value{RPREFIX}EVENT_ALL} algorithm states that an event condition
     59is satisfied when every requested event is posted.
    6060
    6161@subsection Building an Event Set or Condition
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