prt_request.h File Reference

PRT communication request. More...

#include "prt.h"

Go to the source code of this file.

Data Structures
struct	prt_request_s
	MPI communication request for a packet. Contains a packet, some info, MPI request and MPI status. More...

Typedefs
typedef struct prt_request_s	prt_request_t
	MPI communication request for a packet. Contains a packet, some info, MPI request and MPI status.

Functions
prt_request_t *	prt_request_new (struct prt_packet_s *packet, size_t size, int peer, int tag)
	Creates a new request. More...
void	prt_request_delete (prt_request_t *request)
	Destroys a request. More...
void	prt_request_send (prt_request_t *request)
	Posts a send request. More...
void	prt_request_recv (prt_request_t *request)
	Posts a receive request. More...
int	prt_request_test (prt_request_t *request)
	Tests a request. Traces only completed requests. More...
void	prt_request_cancel (prt_request_t *request)
	Cancels a request. Cancels them MPI request, releases the packet, frees the request object. More...

Detailed Description

PRT communication request.

Author

Jakub Kurzak

PULSAR Runtime http://icl.utk.edu/pulsar/ Copyright (C) 2012-2015 University of Tennessee.

Definition in file prt_request.h.

Function Documentation

void prt_request_cancel

(

prt_request_t *

request)

Cancels a request. Cancels them MPI request, releases the packet, frees the request object.

Parameters

request

– The request to cancel.

Definition at line 126 of file prt_request.c.

void prt_request_delete

(

prt_request_t *

request)

Destroys a request.

Parameters

request

– The request to destroy.

Definition at line 43 of file prt_request.c.

prt_request_t* prt_request_new	(	prt_packet_t *	packet,
		size_t	size,
		int	peer,
		int	tag
	)

Creates a new request.

Parameters

packet	– The packet to create the request for.
count	– The number of data items.
datatype	– The type of data items.
peer	– The peer communicating node.
tag	– The MPI tag of the message.

Returns

A new request.

Definition at line 25 of file prt_request.c.

void prt_request_recv

(

prt_request_t *

request)

Posts a receive request.

Parameters

request

– The receive request to post.

Definition at line 77 of file prt_request.c.

void prt_request_send

(

prt_request_t *

request)

Posts a send request.

Parameters

request

– The send request to post.

Definition at line 54 of file prt_request.c.

int prt_request_test

(

prt_request_t *

request)

Tests a request. Traces only completed requests.

Parameters

request

– The request to test.

Return values

1	if operation completed.
0	if operation is pending.

Definition at line 104 of file prt_request.c.