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MPIX_Continue: the basic implementation
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| # vim: set ft=c: | ||
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| MPIX_Continue_cb_function: | ||
| .return: NOTHING | ||
| error_code: ERROR_CODE | ||
| user_data: BUFFER | ||
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| MPIX_Continue_init: | ||
| .desc: Creates a new continuation request | ||
| flags: ARRAY_LENGTH [flags] | ||
| max_poll: ARRAY_LENGTH_NNI [maximum number of continuations to execute when | ||
| testing, or 0 for no limit] | ||
| info: INFO, [info argument] | ||
| cont_req: REQUEST, direction=out, [continuation request created] | ||
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| MPIX_Continue: | ||
| .desc: Attach a continuation to the operation represented by the request | ||
| op_request and register it with the continuation request cont_request | ||
| op_request: REQUEST, direction=inout, [the request associated with the active operation] | ||
| cb: FUNCTION, func_type=MPIX_Continue_cb_function, [callback to be invoked once the operation is complete] | ||
| cb_data: BUFFER, [pointer to a user-controlled buffer] | ||
| flags: ARRAY_LENGTH, [flags controlling aspects of the continuation] | ||
| status: STATUS, direction=inout, [status object] | ||
| cont_request: REQUEST, [continuation request] | ||
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| MPIX_Continueall: | ||
| .desc: Attach a continuation callback to a set of operation requests | ||
| count: ARRAY_LENGTH_NNI, [lists length] | ||
| array_of_op_requests: REQUEST, direction=inout, length=count, [array of requests] | ||
| cb: FUNCTION, func_type=MPIX_Continue_cb_function, [the continuation callback function] | ||
| cb_data: BUFFER, [the argument passed to the callback] | ||
| flags: ARRAY_LENGTH, [flags controlling aspects of the continuation] | ||
| array_of_statuses: STATUS, direction=inout, length=*, pointer=False, [array of status objects] | ||
| cont_request: REQUEST, [the continuation request] | ||
| { | ||
| mpi_errno = MPIR_Continueall_impl(count, request_ptrs, cb, cb_data, flags, array_of_statuses, | ||
| cont_request_ptr); | ||
| if (mpi_errno) { | ||
| goto fn_fail; | ||
| } | ||
| if (!(flags & MPIX_CONT_REQBUF_VOLATILE)) { | ||
| for (int i = 0; i < count; ++i) { | ||
| array_of_op_requests[i] = MPI_REQUEST_NULL; | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| /* | ||
| * Copyright (C) by Argonne National Laboratory | ||
| * See COPYRIGHT in top-level directory | ||
| */ | ||
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| #ifndef MPIR_ATOMIC_FLAG_H_INCLUDED | ||
| #define MPIR_ATOMIC_FLAG_H_INCLUDED | ||
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| #include "mpi.h" | ||
| #include "mpichconf.h" | ||
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| #if MPICH_THREAD_LEVEL == MPI_THREAD_MULTIPLE && \ | ||
| MPICH_THREAD_GRANULARITY == MPICH_THREAD_GRANULARITY__VCI | ||
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| typedef MPL_atomic_int_t MPIR_atomic_flag_t; | ||
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| static inline void MPIR_atomic_flag_set(MPIR_atomic_flag_t * flag_ptr, int val) | ||
| { | ||
| MPL_atomic_relaxed_store_int(flag_ptr, val); | ||
| } | ||
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| static inline int MPIR_atomic_flag_get(MPIR_atomic_flag_t * flag_ptr) | ||
| { | ||
| return MPL_atomic_relaxed_load_int(flag_ptr); | ||
| } | ||
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| static inline int MPIR_atomic_flag_swap(MPIR_atomic_flag_t * flag_ptr, int val) | ||
| { | ||
| return MPL_atomic_swap_int(flag_ptr, val); | ||
| } | ||
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| static inline int MPIR_atomic_flag_cas(MPIR_atomic_flag_t * flag_ptr, int old_val, int new_val) | ||
| { | ||
| return MPL_atomic_cas_int(flag_ptr, old_val, new_val); | ||
| } | ||
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| #else | ||
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| typedef int MPIR_atomic_flag_t; | ||
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| static inline void MPIR_atomic_flag_set(MPIR_atomic_flag_t * flag_ptr, int val) | ||
| { | ||
| *flag_ptr = val; | ||
| } | ||
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| static inline int MPIR_atomic_flag_get(MPIR_atomic_flag_t * flag_ptr) | ||
| { | ||
| return *flag_ptr; | ||
| } | ||
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| static inline int MPIR_atomic_flag_swap(MPIR_atomic_flag_t * flag_ptr, int val) | ||
| { | ||
| int ret = *flag_ptr; | ||
| *flag_ptr = val; | ||
| return ret; | ||
| } | ||
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| static inline int MPIR_atomic_flag_cas(MPIR_atomic_flag_t * flag_ptr, int old_val, int new_val) | ||
| { | ||
| int ret = *flag_ptr; | ||
| if (*flag_ptr == old_val) { | ||
| *flag_ptr = new_val; | ||
| } | ||
| return ret; | ||
| } | ||
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| #endif | ||
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| #endif /* MPIR_ATOMIC_FLAG_H_INCLUDED */ |
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