/*
 * Copyright (C) by Argonne National Laboratory
 *     See COPYRIGHT in top-level directory
 */

/* -- THIS FILE IS AUTO-GENERATED -- */

#include "mpiimpl.h"

/* -- Begin Profiling Symbol Block for routine MPI_Issend */
#if defined(HAVE_PRAGMA_WEAK)
#pragma weak MPI_Issend = PMPI_Issend
#elif defined(HAVE_PRAGMA_HP_SEC_DEF)
#pragma _HP_SECONDARY_DEF PMPI_Issend  MPI_Issend
#elif defined(HAVE_PRAGMA_CRI_DUP)
#pragma _CRI duplicate MPI_Issend as PMPI_Issend
#elif defined(HAVE_WEAK_ATTRIBUTE)
int MPI_Issend(const void *buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm,
               MPI_Request *request)  __attribute__ ((weak, alias("PMPI_Issend")));
#endif
/* -- End Profiling Symbol Block */

/* Define MPICH_MPI_FROM_PMPI if weak symbols are not supported to build
   the MPI routines */
#ifndef MPICH_MPI_FROM_PMPI
#undef MPI_Issend
#define MPI_Issend PMPI_Issend
#endif /* MPICH_MPI_FROM_PMPI */

static int internal_Issend(const void *buf, int count, MPI_Datatype datatype, int dest, int tag,
                           MPI_Comm comm, MPI_Request *request)
{
    int mpi_errno = MPI_SUCCESS;
    MPIR_Comm *comm_ptr ATTRIBUTE((unused)) = NULL;

    MPIR_ERRTEST_INITIALIZED_ORDIE();

    MPID_THREAD_CS_ENTER(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
    MPIR_FUNC_TERSE_ENTER;

#ifdef HAVE_ERROR_CHECKING
    {
        MPID_BEGIN_ERROR_CHECKS;
        {
            MPIR_ERRTEST_COMM(comm, mpi_errno);
        }
        MPID_END_ERROR_CHECKS;
    }
#endif /* HAVE_ERROR_CHECKING */

    MPIR_Comm_get_ptr(comm, comm_ptr);

#ifdef HAVE_ERROR_CHECKING
    {
        MPID_BEGIN_ERROR_CHECKS;
        {
            MPIR_Comm_valid_ptr(comm_ptr, mpi_errno, FALSE);
            if (mpi_errno) {
                goto fn_fail;
            }
            MPIR_ERRTEST_COUNT(count, mpi_errno);
            if (count > 0) {
                MPIR_ERRTEST_DATATYPE(datatype, "datatype", mpi_errno);
                if (!HANDLE_IS_BUILTIN(datatype)) {
                    MPIR_Datatype *datatype_ptr ATTRIBUTE((unused)) = NULL;
                    MPIR_Datatype_get_ptr(datatype, datatype_ptr);
                    MPIR_Datatype_valid_ptr(datatype_ptr, mpi_errno);
                    if (mpi_errno) {
                        goto fn_fail;
                    }
                    MPIR_Datatype_committed_ptr(datatype_ptr, mpi_errno);
                    if (mpi_errno) {
                        goto fn_fail;
                    }
                }
                MPIR_ERRTEST_USERBUFFER(buf, count, datatype, mpi_errno);
            }
            MPIR_ERRTEST_SEND_RANK(comm_ptr, dest, mpi_errno);
            MPIR_ERRTEST_SEND_TAG(tag, mpi_errno);
            MPIR_ERRTEST_ARGNULL(request, "request", mpi_errno);
        }
        MPID_END_ERROR_CHECKS;
    }
#endif /* HAVE_ERROR_CHECKING */

    /* Return immediately for dummy process */
    if (unlikely(dest == MPI_PROC_NULL)) {
        MPIR_Request *lw_req = MPIR_Request_create_complete(MPIR_REQUEST_KIND__SEND);
        MPIR_ERR_CHKANDSTMT(lw_req == NULL, mpi_errno, MPIX_ERR_NOREQ, goto fn_fail,
                            "**nomemreq");
        *request = lw_req->handle;
        goto fn_exit;
    }

    /* ... body of routine ... */
    MPIR_Request *request_ptr = NULL;

    mpi_errno = MPID_Issend(buf, count, datatype, dest, tag, comm_ptr,
                            MPIR_CONTEXT_INTRA_PT2PT, &request_ptr);
    if (mpi_errno != MPI_SUCCESS)
        goto fn_fail;
    MPII_SENDQ_REMEMBER(request_ptr, dest, tag, comm_ptr->context_id);

    /* return the handle of the request to the user */
    /* MPIU_OBJ_HANDLE_PUBLISH is unnecessary for issend, lower-level access is
     * responsible for its own consistency, while upper-level field access is
     * controlled by the completion counter */
    *request = request_ptr->handle;
    /* ... end of body of routine ... */

  fn_exit:
    MPIR_FUNC_TERSE_EXIT;
    MPID_THREAD_CS_EXIT(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
    return mpi_errno;

  fn_fail:
    /* --BEGIN ERROR HANDLINE-- */
#ifdef HAVE_ERROR_CHECKING
    mpi_errno = MPIR_Err_create_code(mpi_errno, MPIR_ERR_RECOVERABLE, __func__, __LINE__, MPI_ERR_OTHER,
                                     "**mpi_issend", "**mpi_issend %p %d %D %i %t %C %p", buf, count,
                                     datatype, dest, tag, comm, request);
#endif
    mpi_errno = MPIR_Err_return_comm(comm_ptr, __func__, mpi_errno);
    /* --END ERROR HANDLING-- */
    goto fn_exit;
}

/*@
   MPI_Issend - Starts a nonblocking synchronous send

Input Parameters:
+ buf - initial address of send buffer (choice)
. count - number of elements in send buffer (non-negative integer)
. datatype - datatype of each send buffer element (handle)
. dest - rank of destination (integer)
. tag - message tag (integer)
- comm - communicator (handle)

Output Parameters:
. request - communication request (handle)

.N ThreadSafe

.N Fortran

.N Errors
.N MPI_SUCCESS

.N MPI_ERR_ARG
.N MPI_ERR_BUFFER
.N MPI_ERR_COMM
.N MPI_ERR_COUNT
.N MPI_ERR_RANK
.N MPI_ERR_TAG
.N MPI_ERR_TYPE
.N MPI_ERR_OTHER

@*/

#ifdef ENABLE_QMPI
#ifndef MPICH_MPI_FROM_PMPI
int QMPI_Issend(QMPI_Context context, int tool_id, const void *buf, int count,
                MPI_Datatype datatype, int dest, int tag, MPI_Comm comm,
                MPI_Request *request) MPICH_API_PUBLIC
{
    return internal_Issend(buf, count, datatype, dest, tag, comm, request);
}
#endif /* MPICH_MPI_FROM_PMPI */
int MPI_Issend(const void *buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm,
               MPI_Request *request)
{
    QMPI_Context context;
    QMPI_Issend_t *fn_ptr;

    context.storage_stack = NULL;

    if (MPIR_QMPI_num_tools == 0)
        return QMPI_Issend(context, 0, buf, count, datatype, dest, tag, comm, request);

    fn_ptr = (QMPI_Issend_t *) MPIR_QMPI_first_fn_ptrs[MPI_ISSEND_T];

    return (*fn_ptr) (context, MPIR_QMPI_first_tool_ids[MPI_ISSEND_T], buf, count, datatype, dest,
            tag, comm, request);
}
#else /* ENABLE_QMPI */
int MPI_Issend(const void *buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm,
               MPI_Request *request)
{
    return internal_Issend(buf, count, datatype, dest, tag, comm, request);
}
#endif /* ENABLE_QMPI */

/* -- Begin Profiling Symbol Block for routine MPI_Issend_c */
#if defined(HAVE_PRAGMA_WEAK)
#pragma weak MPI_Issend_c = PMPI_Issend_c
#elif defined(HAVE_PRAGMA_HP_SEC_DEF)
#pragma _HP_SECONDARY_DEF PMPI_Issend_c  MPI_Issend_c
#elif defined(HAVE_PRAGMA_CRI_DUP)
#pragma _CRI duplicate MPI_Issend_c as PMPI_Issend_c
#elif defined(HAVE_WEAK_ATTRIBUTE)
int MPI_Issend_c(const void *buf, MPI_Count count, MPI_Datatype datatype, int dest, int tag,
                 MPI_Comm comm, MPI_Request *request)
                  __attribute__ ((weak, alias("PMPI_Issend_c")));
#endif
/* -- End Profiling Symbol Block */

/* Define MPICH_MPI_FROM_PMPI if weak symbols are not supported to build
   the MPI routines */
#ifndef MPICH_MPI_FROM_PMPI
#undef MPI_Issend_c
#define MPI_Issend_c PMPI_Issend_c
#endif /* MPICH_MPI_FROM_PMPI */

static int internal_Issend_c(const void *buf, MPI_Count count, MPI_Datatype datatype, int dest,
                             int tag, MPI_Comm comm, MPI_Request *request)
{
    int mpi_errno = MPI_SUCCESS;
    MPIR_Comm *comm_ptr ATTRIBUTE((unused)) = NULL;

    MPIR_ERRTEST_INITIALIZED_ORDIE();

    MPID_THREAD_CS_ENTER(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
    MPIR_FUNC_TERSE_ENTER;

#ifdef HAVE_ERROR_CHECKING
    {
        MPID_BEGIN_ERROR_CHECKS;
        {
            MPIR_ERRTEST_COMM(comm, mpi_errno);
        }
        MPID_END_ERROR_CHECKS;
    }
#endif /* HAVE_ERROR_CHECKING */

    MPIR_Comm_get_ptr(comm, comm_ptr);

#ifdef HAVE_ERROR_CHECKING
    {
        MPID_BEGIN_ERROR_CHECKS;
        {
            MPIR_Comm_valid_ptr(comm_ptr, mpi_errno, FALSE);
            if (mpi_errno) {
                goto fn_fail;
            }
            MPIR_ERRTEST_COUNT(count, mpi_errno);
            if (count > 0) {
                MPIR_ERRTEST_DATATYPE(datatype, "datatype", mpi_errno);
                if (!HANDLE_IS_BUILTIN(datatype)) {
                    MPIR_Datatype *datatype_ptr ATTRIBUTE((unused)) = NULL;
                    MPIR_Datatype_get_ptr(datatype, datatype_ptr);
                    MPIR_Datatype_valid_ptr(datatype_ptr, mpi_errno);
                    if (mpi_errno) {
                        goto fn_fail;
                    }
                    MPIR_Datatype_committed_ptr(datatype_ptr, mpi_errno);
                    if (mpi_errno) {
                        goto fn_fail;
                    }
                }
                MPIR_ERRTEST_USERBUFFER(buf, count, datatype, mpi_errno);
            }
            MPIR_ERRTEST_SEND_RANK(comm_ptr, dest, mpi_errno);
            MPIR_ERRTEST_SEND_TAG(tag, mpi_errno);
            MPIR_ERRTEST_ARGNULL(request, "request", mpi_errno);
        }
        MPID_END_ERROR_CHECKS;
    }
#endif /* HAVE_ERROR_CHECKING */

    /* Return immediately for dummy process */
    if (unlikely(dest == MPI_PROC_NULL)) {
        MPIR_Request *lw_req = MPIR_Request_create_complete(MPIR_REQUEST_KIND__SEND);
        MPIR_ERR_CHKANDSTMT(lw_req == NULL, mpi_errno, MPIX_ERR_NOREQ, goto fn_fail,
                            "**nomemreq");
        *request = lw_req->handle;
        goto fn_exit;
    }

    /* ... body of routine ... */
    if (sizeof(MPI_Count) == sizeof(MPI_Aint)) {
        MPIR_Request *request_ptr = NULL;

        mpi_errno = MPID_Issend(buf, count, datatype, dest, tag, comm_ptr,
                                MPIR_CONTEXT_INTRA_PT2PT, &request_ptr);
        if (mpi_errno != MPI_SUCCESS)
            goto fn_fail;
        MPII_SENDQ_REMEMBER(request_ptr, dest, tag, comm_ptr->context_id);

        /* return the handle of the request to the user */
        /* MPIU_OBJ_HANDLE_PUBLISH is unnecessary for issend, lower-level access is
         * responsible for its own consistency, while upper-level field access is
         * controlled by the completion counter */
        *request = request_ptr->handle;
    } else {
        /* MPI_Count is bigger than MPI_Aint */
        if (count > MPIR_AINT_MAX) {
            mpi_errno = MPIR_Err_create_code(mpi_errno, MPIR_ERR_RECOVERABLE,
                                             __func__, __LINE__, MPI_ERR_OTHER,
                                             "**too_big_for_input",
                                             "**too_big_for_input %s", "count");
            goto fn_fail;
        }
        MPIR_Request *request_ptr = NULL;

        mpi_errno = MPID_Issend(buf, count, datatype, dest, tag, comm_ptr,
                                MPIR_CONTEXT_INTRA_PT2PT, &request_ptr);
        if (mpi_errno != MPI_SUCCESS)
            goto fn_fail;
        MPII_SENDQ_REMEMBER(request_ptr, dest, tag, comm_ptr->context_id);

        /* return the handle of the request to the user */
        /* MPIU_OBJ_HANDLE_PUBLISH is unnecessary for issend, lower-level access is
         * responsible for its own consistency, while upper-level field access is
         * controlled by the completion counter */
        *request = request_ptr->handle;
    }
    /* ... end of body of routine ... */

  fn_exit:
    MPIR_FUNC_TERSE_EXIT;
    MPID_THREAD_CS_EXIT(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
    return mpi_errno;

  fn_fail:
    /* --BEGIN ERROR HANDLINE-- */
#ifdef HAVE_ERROR_CHECKING
    mpi_errno = MPIR_Err_create_code(mpi_errno, MPIR_ERR_RECOVERABLE, __func__, __LINE__, MPI_ERR_OTHER,
                                     "**mpi_issend_c", "**mpi_issend_c %p %c %D %i %t %C %p", buf,
                                     count, datatype, dest, tag, comm, request);
#endif
    mpi_errno = MPIR_Err_return_comm(comm_ptr, __func__, mpi_errno);
    /* --END ERROR HANDLING-- */
    goto fn_exit;
}

/*@
   MPI_Issend_c - Starts a nonblocking synchronous send

Input Parameters:
+ buf - initial address of send buffer (choice) (choice)
. count - number of elements in send buffer (non-negative integer) (non-negative integer)
. datatype - datatype of each send buffer element (handle) (handle)
. dest - rank of destination (integer) (integer)
. tag - message tag (integer) (integer)
- comm - communicator (handle) (handle)

Output Parameters:
. request - communication request (handle) (handle)

.N ThreadSafe

.N Fortran

.N Errors
.N MPI_SUCCESS

.N MPI_ERR_ARG
.N MPI_ERR_BUFFER
.N MPI_ERR_COMM
.N MPI_ERR_COUNT
.N MPI_ERR_RANK
.N MPI_ERR_TAG
.N MPI_ERR_TYPE
.N MPI_ERR_OTHER

@*/

#ifdef ENABLE_QMPI
#ifndef MPICH_MPI_FROM_PMPI
int QMPI_Issend_c(QMPI_Context context, int tool_id, const void *buf, MPI_Count count,
                  MPI_Datatype datatype, int dest, int tag, MPI_Comm comm,
                  MPI_Request *request) MPICH_API_PUBLIC
{
    return internal_Issend_c(buf, count, datatype, dest, tag, comm, request);
}
#endif /* MPICH_MPI_FROM_PMPI */
int MPI_Issend_c(const void *buf, MPI_Count count, MPI_Datatype datatype, int dest, int tag,
                 MPI_Comm comm, MPI_Request *request)
{
    QMPI_Context context;
    QMPI_Issend_c_t *fn_ptr;

    context.storage_stack = NULL;

    if (MPIR_QMPI_num_tools == 0)
        return QMPI_Issend_c(context, 0, buf, count, datatype, dest, tag, comm, request);

    fn_ptr = (QMPI_Issend_c_t *) MPIR_QMPI_first_fn_ptrs[MPI_ISSEND_C_T];

    return (*fn_ptr) (context, MPIR_QMPI_first_tool_ids[MPI_ISSEND_C_T], buf, count, datatype, dest,
            tag, comm, request);
}
#else /* ENABLE_QMPI */
int MPI_Issend_c(const void *buf, MPI_Count count, MPI_Datatype datatype, int dest, int tag,
                 MPI_Comm comm, MPI_Request *request)
{
    return internal_Issend_c(buf, count, datatype, dest, tag, comm, request);
}
#endif /* ENABLE_QMPI */
