Synchronous Communication
[Point-to-Point Communication]

Collaboration diagram for Synchronous Communication:

---

Detailed Description

Direct blocking sending of messages without any intermediate buffer.

The blocking synchronous send-operation returns only when the receiver has completely received the message.

Functions
int	MOC_Ssend (void *buf, int count, MOC_Datatype datatype, int dest, int tag, MOC_Comm comm)
	Performs a blocking synchronous mode send operation.

---

Function Documentation

int MOC_Ssend	(	void *	buf,
		int	count,
		MOC_Datatype	datatype,
		int	dest,
		int	tag,
		MOC_Comm	comm
	)

Performs a blocking synchronous mode send operation.

Note:

This routine blocks until the message is received.

Parameters:

	buf	in Pointer to buffer where data is stored
	count	in Number of elements to be send (not equal to actual byte-value)
	datatype	in Type of elements to be send
	dest	in Rank of receiving process
	tag	in Tag of message
	comm	in communicator of message

Return values:

	MOC_SUCCESS	No error; MPI routine completed successfully.
	...	error-code

Definition at line 10 of file moc_ssend_ppu.c.

References __attribute__(), moc_message_status_struct::bits, moc_message_status_struct::flags, IMOC_EA_REMOTE_QUEUE, IMOC_EA_REMOTE_QUEUE_ENTRY, IMOC_getFreeEntry(), IMOC_getFreeMID(), IMOC_LS_REMOTE_QUEUE, IMOC_MESSAGE_CHANNEL_DMA, IMOC_MESSAGE_CHANNEL_ENV, IMOC_TEST_ALIGNMENT, IMOC_TEST_BUFFER, IMOC_TEST_BYTECOUNT, IMOC_TEST_COMM_SEND, IMOC_TEST_PROC_NULL, IMOC_TEST_PROC_SELF, IMOC_TEST_RANK, IMOC_TEST_TAG_SEND, IMOC_waitForMessageCompletion(), MEMCPY_GET_TRESHOLD, MOC_ERR_INTERN, moc_ppu_thread_count, moc_spu_thread_list, MOC_SUCCESS, node_handle, moc_node_handle_ppu_struct::queue_size, and moc_node_handle_ppu_struct::status_array_base.

Referenced by MOC_Send().

Here is the call graph for this function:

Here is the caller graph for this function: