diff options
| author | Chris Johns <chrisj@rtems.org> | 2016-01-27 11:27:31 +1100 |
|---|---|---|
| committer | Amar Takhar <verm@darkbeer.org> | 2016-05-02 20:51:25 -0400 |
| commit | 859f0b73197ce9c41ac65ff5c6953923307ffed0 (patch) | |
| tree | 4b2994971c2dde38b3015194dca9d2aec08c97c9 /c_user/semaphore_manager.rst | |
| parent | Cleanups. (diff) | |
| download | rtems-docs-859f0b73197ce9c41ac65ff5c6953923307ffed0.tar.bz2 | |
Add an rtems-table class to wrap and align HTML tables.
Diffstat (limited to 'c_user/semaphore_manager.rst')
| -rw-r--r-- | c_user/semaphore_manager.rst | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/c_user/semaphore_manager.rst b/c_user/semaphore_manager.rst index 820eb0b..bba5dfb 100644 --- a/c_user/semaphore_manager.rst +++ b/c_user/semaphore_manager.rst @@ -189,6 +189,7 @@ In general, an attribute set is built by a bitwise OR of the desired attribute components. The following table lists the set of valid semaphore attributes: .. list-table:: + :class: rtems-table * - ``RTEMS_FIFO`` - tasks wait by FIFO (default) @@ -252,6 +253,7 @@ components. The set of valid options for the ``rtems_semaphore_obtain`` directive are listed in the following table: .. list-table:: + :class: rtems-table * - ``RTEMS_WAIT`` - task will wait for semaphore (default) @@ -308,10 +310,9 @@ The ``rtems_semaphore_obtain`` directive is used to acquire the specified semaphore. A simplified version of the ``rtems_semaphore_obtain`` directive can be described as follows: -.. sidebar:: Note - - If semaphore's count is greater than zero then decrement semaphore's count - else wait for release of semaphore return SUCCESSFUL. + If the semaphore's count is greater than zero then decrement the + semaphore's count else wait for release of semaphore then return + SUCCESSFUL. When the semaphore cannot be immediately acquired, one of the following situations applies: @@ -343,10 +344,9 @@ The ``rtems_semaphore_release`` directive is used to release the specified semaphore. A simplified version of the``rtems_semaphore_release`` directive can be described as follows: -.. sidebar:: Note - - If no tasks are waiting on this semaphore then increment semaphore's count - else assign semaphore to a waiting task return SUCCESSFUL. + If there sre no tasks are waiting on this semaphore then increment the + semaphore's count else assign semaphore to a waiting task and return + SUCCESSFUL. If this is the outermost release of a binary semaphore that uses priority inheritance or priority ceiling and the task does not currently hold any other @@ -393,6 +393,7 @@ SEMAPHORE_CREATE - Create a semaphore **DIRECTIVE STATUS CODES:** .. list-table:: + :class: rtems-table * - ``RTEMS_SUCCESSFUL`` - semaphore created successfully @@ -436,8 +437,9 @@ The following semaphore attribute constants are defined by RTEMS: .. list-table:: + :class: rtems-table - * - - ``RTEMS_FIFO`` + * - ``RTEMS_FIFO`` - tasks wait by FIFO (default) * - ``RTEMS_PRIORITY`` - tasks wait by priority @@ -503,6 +505,7 @@ SEMAPHORE_IDENT - Get ID of a semaphore **DIRECTIVE STATUS CODES:** .. list-table:: + :class: rtems-table * - ``RTEMS_SUCCESSFUL`` - semaphore identified successfully @@ -552,6 +555,7 @@ SEMAPHORE_DELETE - Delete a semaphore **DIRECTIVE STATUS CODES:** .. list-table:: + :class: rtems-table * - ``RTEMS_SUCCESSFUL`` - semaphore deleted successfully @@ -611,6 +615,7 @@ SEMAPHORE_OBTAIN - Acquire a semaphore **DIRECTIVE STATUS CODES:** .. list-table:: + :class: rtems-table * - ``RTEMS_SUCCESSFUL`` - semaphore obtained successfully @@ -665,8 +670,9 @@ this case. The following semaphore acquisition option constants are defined by RTEMS: .. list-table:: + :class: rtems-table - * - - ``RTEMS_WAIT`` + * - ``RTEMS_WAIT`` - task will wait for semaphore (default) * - - ``RTEMS_NO_WAIT`` - task should not wait @@ -704,6 +710,7 @@ SEMAPHORE_RELEASE - Release a semaphore **DIRECTIVE STATUS CODES:** .. list-table:: + :class: rtems-table * - ``RTEMS_SUCCESSFUL`` - semaphore released successfully @@ -763,6 +770,7 @@ SEMAPHORE_FLUSH - Unblock all tasks waiting on a semaphore **DIRECTIVE STATUS CODES:** .. list-table:: + :class: rtems-table * - ``RTEMS_SUCCESSFUL`` - semaphore released successfully @@ -820,6 +828,7 @@ SEMAPHORE_SET_PRIORITY - Set priority by scheduler for a semaphore **DIRECTIVE STATUS CODES:** .. list-table:: + :class: rtems-table * - ``RTEMS_SUCCESSFUL`` - successful operation |