diff options
Diffstat (limited to 'doc/info')
-rw-r--r-- | doc/info/mds.texinfo | 53 |
1 files changed, 49 insertions, 4 deletions
diff --git a/doc/info/mds.texinfo b/doc/info/mds.texinfo index 8bbfd04..1ba62c4 100644 --- a/doc/info/mds.texinfo +++ b/doc/info/mds.texinfo @@ -9773,10 +9773,12 @@ message spool. @item @code{libmds_mspool_spool} [(@code{this, libmds_message_t* restrict message}) @arrow{} @code{int}] @fnindex @code{libmds_mspool_spool} -Spool a message. Upon successful completion, -zero is returned. On error, @code{-1} is -returned and @code{errno} is set to describe -the error. +Spool a message. The message must have been +returned from @code{libmds_message_duplicate}. + +Upon successful completion, zero is returned. +On error, @code{-1} is returned and @code{errno} +is set to describe the error. This function may fail with @code{errno} set to @code{ENOMEM} if the process cannot allocate @@ -9821,6 +9823,49 @@ equal to or greater than a milliard. time measured with the @code{CLOCK_REALTIME} clock. @end table +@tpindex @code{libmds_mpool_t} +@tpindex @code{struct libmds_mpool} +@code{libmds_mpool_t} have four associated +functions. The parameters @code{this} have +the type @code{libmds_mpool_t* restrict}. + +@table @asis +@item @code{libmds_mpool_initialise} [(@code{this, size_t size}) @arrow{} @code{int}] +Initialise a pool of reusable message allocations. +The pool will be able to hold @code{size} allocations. + +Upon successful completion, zero is returned. +On error, @code{-1} is returned and @code{errno} +is set to describe the error. + +This function may fail with @code{errno} set +to @code{ENOMEM} if the process cannot allocate +enough memory. + +@item @code{libmds_mpool_destroy} [(@code{this}) @arrow{} @code{void}] +Release all resources stored in a +message allocation pool. + +@item @code{libmds_mpool_offer} [(@code{this, libmds_message_t* restrict message}) @arrow{} @code{int}] +Adds a message allocation to a pool. The message +must have been returned from @code{libmds_message_duplicate}, +@code{libmds_mspool_poll} or @code{libmds_mspool_poll_try}. +If the pool is full, the function will free the +allocation, and return with a success status. + +Upon successful completion, zero is returned. +On error @code{-1} is returned and @code{errno} +is set to describe the error. + +@item @code{libmds_mpool_poll} [(@code{this}) @arrow{} @code{libmds_message_t*}] +Fetches a message allocation from a pool. +If the pool is empty, @code{NULL} is returned +and @code{errno} is set to zero. On error +@code{NULL} is returned and @code{errno} is set +describe teh error, the value of @code{errno} +will not be zero in this case. +@end table + @node libmdslltk |