//Request_free
//Frees a communication request object.
func Request_free(request Request) (Request, int) {
cRequest := C.MPI_Request(request)
err := C.MPI_Request_free(&cRequest)
return Request(cRequest), int(err)
}
//Testany
//Tests for completion of any one previously initiated communication in a list.
func Testany(requests []Request) ([]int, []bool, []Status, int) {
count := len(requests)
cStatuses := make([]C.MPI_Status, count)
cFlags := make([]C.int, count)
cIndex := make([]C.int, count)
cRequests := make([]C.MPI_Request, count)
for i := 0; i < count; i++ {
cRequests[i] = C.MPI_Request(requests[i])
}
err := C.MPI_Testany(C.int(count),
&cRequests[0],
&cIndex[0],
&cFlags[0],
&cStatuses[0])
statuses := make([]Status, count)
flags := make([]bool, count)
index := make([]int, count)
for i := 0; i < count; i++ {
statuses[i] = Status(cStatuses[i])
index[i] = int(cIndex[i])
if int(cFlags[i]) != 0 {
flags[i] = true
} else {
flags[i] = false
}
}
return index, flags, statuses, int(err)
}
//Testsome
//Tests for completion of one or more previously initiated communications in a list.
func Testsome(requests []Request) (int, []int, []Status, int) {
count := len(requests)
cStatuses := make([]C.MPI_Status, count)
cIndex := make([]C.int, count)
cRequests := make([]C.MPI_Request, count)
for i := 0; i < count; i++ {
cRequests[i] = C.MPI_Request(requests[i])
}
var cOutCount C.int
err := C.MPI_Testsome(C.int(count),
&cRequests[0],
&cOutCount,
&cIndex[0],
&cStatuses[0])
statuses := make([]Status, count)
index := make([]int, count)
for i := 0; i < count; i++ {
statuses[i] = Status(cStatuses[i])
index[i] = int(cIndex[i])
}
return int(cOutCount), index, statuses, int(err)
}
//Start
//Initiates a communication with a persistent request handle.
func Start(request Request) (Request, int) {
cRequest := C.MPI_Request(request)
err := C.MPI_Start(&cRequest)
return Request(cRequest), int(err)
}
//Cancel
//Cancels a communication request.
func Cancel(request Request) int {
cRequest := C.MPI_Request(request)
err := C.MPI_Cancel(&cRequest)
return int(err)
}
//Startall
//Starts a collection of persistent requests.
func Startall(requests []Request) int {
count := len(requests)
cArrayOfRequests := make([]C.MPI_Request, count)
for i := 0; i < len(requests); i++ {
cArrayOfRequests[i] = C.MPI_Request(requests[i])
}
err := C.MPI_Startall(C.int(count), &cArrayOfRequests[0])
return int(err)
}
//Request_get_status
//Access information associated with a request without freeing the request.
func Requset_get_status(request Request) (bool, Status, int) {
cFlag := C.int(0)
flag := false
var cStatus C.MPI_Status
err := C.MPI_Request_get_status(C.MPI_Request(request), &cFlag, &cStatus)
if int(cFlag) != 0 {
flag = true
}
return flag, Status(cStatus), int(err)
}
//Test
//Tests for the completion of a request.
func Test(request Request) (bool, Status, int) {
cRequest := C.MPI_Request(request)
var cFlag C.int
var cStatus C.MPI_Status
flag := false
err := C.MPI_Test(&cRequest, &cFlag, &cStatus)
if int(cFlag) != 0 {
flag = true
}
return flag, Status(cStatus), int(err)
}
//Grequest_complete
//Reports that a generalized request is complete.
func Grequest_completes(request Request) int {
err := C.MPI_Grequest_complete(C.MPI_Request(request))
return int(err)
}
