diff options
author | Miller Puckette <millerpuckette@users.sourceforge.net> | 2005-05-30 03:01:38 +0000 |
---|---|---|
committer | Miller Puckette <millerpuckette@users.sourceforge.net> | 2005-05-30 03:01:38 +0000 |
commit | 47729b52cb85e8a52bf2e6bbf8ee9a810ed331e1 (patch) | |
tree | b001d3f3bdf3539d928535e47a965c72f7044a26 /pd/portmidi_osx/pmutil.h | |
parent | fcba84c01167d5be4e4ed70619fda85cb63804fe (diff) |
Add new portmidi and update portaudio. CHanges to makefile.nt and various
sources. Checking that I'm in sync with "help" file changes. I ended
up deleting help files in extra and recreating them under the new names.
svn path=/trunk/; revision=3091
Diffstat (limited to 'pd/portmidi_osx/pmutil.h')
-rw-r--r-- | pd/portmidi_osx/pmutil.h | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/pd/portmidi_osx/pmutil.h b/pd/portmidi_osx/pmutil.h deleted file mode 100644 index b6268ed3..00000000 --- a/pd/portmidi_osx/pmutil.h +++ /dev/null @@ -1,44 +0,0 @@ -/* pmutil.h -- some helpful utilities for building midi - applications that use PortMidi - */ - -typedef void PmQueue; - -/* - A single-reader, single-writer queue is created by - Pm_QueueCreate(), which takes the number of messages and - the message size as parameters. The queue only accepts - fixed sized messages. Returns NULL if memory cannot be allocated. - - Pm_QueueDestroy() destroys the queue and frees its storage. - */ - -PmQueue *Pm_QueueCreate(long num_msgs, long bytes_per_msg); -PmError Pm_QueueDestroy(PmQueue *queue); - -/* - Pm_Dequeue() removes one item from the queue, copying it into msg. - Returns 1 if successful, and 0 if the queue is empty. - Returns pmBufferOverflow and clears the overflow flag if - the flag is set. - */ -PmError Pm_Dequeue(PmQueue *queue, void *msg); - - -/* - Pm_Enqueue() inserts one item into the queue, copying it from msg. - Returns pmNoError if successful and pmBufferOverflow if the queue was - already full. If pmBufferOverflow is returned, the overflow flag is set. - */ -PmError Pm_Enqueue(PmQueue *queue, void *msg); - - -/* - Pm_QueueFull() returns non-zero if the queue is full - Pm_QueueEmpty() returns non-zero if the queue is empty - - Either condition may change immediately because a parallel - enqueue or dequeue operation could be in progress. - */ -int Pm_QueueFull(PmQueue *queue); -#define Pm_QueueEmpty(m) (m->head == m->tail) |