/* Routine to delete an attribute list */ int MPIR_Attr_delete_list(int handle, MPIR_Attribute ** attr) { MPIR_Attribute *p, *new_p; int mpi_errno = MPI_SUCCESS; p = *attr; while (p) { /* delete the attribute by first executing the delete routine, if any, * determine the the next attribute, and recover the attributes * storage */ new_p = p->next; /* Check the sentinals first */ /* --BEGIN ERROR HANDLING-- */ if (p->pre_sentinal != 0 || p->post_sentinal != 0) { MPIR_ERR_SET(mpi_errno, MPI_ERR_OTHER, "**attrsentinal"); /* We could keep trying to free the attributes, but for now * we'll just bag it */ return mpi_errno; } /* --END ERROR HANDLING-- */ /* For this attribute, find the delete function for the * corresponding keyval */ /* Still to do: capture any error returns but continue to * process attributes */ mpi_errno = MPIR_Call_attr_delete(handle, p); /* We must also remove the keyval reference. If the keyval * was freed earlier (reducing the refcount), the actual * release and free will happen here. We must free the keyval * even if the attr delete failed, as we then remove the * attribute. */ { int in_use; /* Decrement the use of the keyval */ MPII_Keyval_release_ref(p->keyval, &in_use); if (!in_use) { MPIR_Handle_obj_free(&MPII_Keyval_mem, p->keyval); } } MPIR_Handle_obj_free(&MPID_Attr_mem, p); p = new_p; } /* We must zero out the attribute list pointer or we could attempt to use it * later. This normally can't happen because the communicator usually * disappears after a call to MPI_Comm_free. But if the attribute keyval * has an associated delete function that returns an error then we don't * actually free the communicator despite having freed all the attributes * associated with the communicator. * * This function is also used for Win and Type objects, but the idea is the * same in those cases as well. */ *attr = NULL; return mpi_errno; }
int MPIR_Comm_delete_attr_impl(MPIR_Comm * comm_ptr, MPII_Keyval * keyval_ptr) { int mpi_errno = MPI_SUCCESS; MPIR_Attribute *p, **old_p; /* Look for attribute. They are ordered by keyval handle */ old_p = &comm_ptr->attributes; p = comm_ptr->attributes; while (p) { if (p->keyval->handle == keyval_ptr->handle) { break; } old_p = &p->next; p = p->next; } /* We can't unlock yet, because we must not free the attribute until * we know whether the delete function has returned with a 0 status * code */ if (p) { int in_use; /* Run the delete function, if any, and then free the * attribute storage. Note that due to an ambiguity in the * standard, if the usr function returns something other than * MPI_SUCCESS, we should either return the user return code, * or an mpich error code. The precedent set by the Intel * test suite says we should return the user return code. So * we must not ERR_POP here. */ mpi_errno = MPIR_Call_attr_delete(comm_ptr->handle, p); if (mpi_errno) goto fn_fail; /* We found the attribute. Remove it from the list */ *old_p = p->next; /* Decrement the use of the keyval */ MPII_Keyval_release_ref(p->keyval, &in_use); if (!in_use) { MPIR_Handle_obj_free(&MPII_Keyval_mem, p->keyval); } MPID_Attr_free(p); } fn_exit: return mpi_errno; fn_fail: goto fn_exit; }
/*@ MPI_Win_free_keyval - Frees an attribute key for MPI RMA windows Input Parameters: . win_keyval - key value (integer) .N ThreadSafe .N Fortran .N Errors .N MPI_SUCCESS .N MPI_ERR_WIN .N MPI_ERR_OTHER .N MPI_ERR_KEYVAL @*/ int MPI_Win_free_keyval(int *win_keyval) { #ifdef HAVE_ERROR_CHECKING static const char FCNAME[] = "MPI_Win_free_keyval"; #endif int mpi_errno = MPI_SUCCESS; MPII_Keyval *keyval_ptr = NULL; int in_use; MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_WIN_FREE_KEYVAL); MPIR_ERRTEST_INITIALIZED_ORDIE(); MPID_THREAD_CS_ENTER(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX); MPIR_FUNC_TERSE_ENTER(MPID_STATE_MPI_WIN_FREE_KEYVAL); /* Validate parameters, especially handles needing to be converted */ # ifdef HAVE_ERROR_CHECKING { MPID_BEGIN_ERROR_CHECKS; { MPIR_ERRTEST_ARGNULL(*win_keyval, "win_keyval", mpi_errno); MPIR_ERRTEST_KEYVAL(*win_keyval, MPIR_WIN, "window", mpi_errno); MPIR_ERRTEST_KEYVAL_PERM(*win_keyval, mpi_errno); } MPID_END_ERROR_CHECKS; } # endif /* Convert MPI object handles to object pointers */ MPII_Keyval_get_ptr( *win_keyval, keyval_ptr ); /* Validate parameters and objects (post conversion) */ # ifdef HAVE_ERROR_CHECKING { MPID_BEGIN_ERROR_CHECKS; { MPII_Keyval_valid_ptr( keyval_ptr, mpi_errno ); if (mpi_errno) goto fn_fail; } MPID_END_ERROR_CHECKS; } # endif /* HAVE_ERROR_CHECKING */ /* ... body of routine ... */ if (!keyval_ptr->was_freed) { keyval_ptr->was_freed = 1; MPII_Keyval_release_ref( keyval_ptr, &in_use); if (!in_use) { MPIR_Handle_obj_free( &MPII_Keyval_mem, keyval_ptr ); } } *win_keyval = MPI_KEYVAL_INVALID; /* ... end of body of routine ... */ #ifdef HAVE_ERROR_CHECKING fn_exit: #endif MPIR_FUNC_TERSE_EXIT(MPID_STATE_MPI_WIN_FREE_KEYVAL); MPID_THREAD_CS_EXIT(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX); return mpi_errno; /* --BEGIN ERROR HANDLING-- */ # ifdef HAVE_ERROR_CHECKING fn_fail: { mpi_errno = MPIR_Err_create_code( mpi_errno, MPIR_ERR_RECOVERABLE, FCNAME, __LINE__, MPI_ERR_OTHER, "**mpi_win_free_keyval", "**mpi_win_free_keyval %p", win_keyval); } mpi_errno = MPIR_Err_return_comm( NULL, FCNAME, mpi_errno ); goto fn_exit; # endif /* --END ERROR HANDLING-- */ }
/*@ MPI_Type_delete_attr - Deletes an attribute value associated with a key on a datatype Input Parameters: + datatype - MPI datatype to which attribute is attached (handle) - type_keyval - The key value of the deleted attribute (integer) .N ThreadSafe .N Fortran .N Errors .N MPI_SUCCESS .N MPI_ERR_OTHER .N MPI_ERR_KEYVAL @*/ int MPI_Type_delete_attr(MPI_Datatype datatype, int type_keyval) { static const char FCNAME[] = "MPI_Type_delete_attr"; int mpi_errno = MPI_SUCCESS; MPIR_Datatype *type_ptr = NULL; MPIR_Attribute *p, **old_p; MPII_Keyval *keyval_ptr = 0; MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_TYPE_DELETE_ATTR); MPIR_ERRTEST_INITIALIZED_ORDIE(); /* The thread lock prevents a valid attr delete on the same datatype but in a different thread from causing problems */ MPID_THREAD_CS_ENTER(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX); MPIR_FUNC_TERSE_ENTER(MPID_STATE_MPI_TYPE_DELETE_ATTR); /* Validate parameters, especially handles needing to be converted */ # ifdef HAVE_ERROR_CHECKING { MPID_BEGIN_ERROR_CHECKS; { MPIR_ERRTEST_DATATYPE(datatype, "datatype", mpi_errno); MPIR_ERRTEST_KEYVAL(type_keyval, MPIR_DATATYPE, "datatype", mpi_errno); MPIR_ERRTEST_KEYVAL_PERM(type_keyval, mpi_errno); } MPID_END_ERROR_CHECKS; } # endif /* Validate parameters and objects (post conversion) */ MPID_Datatype_get_ptr( datatype, type_ptr ); MPII_Keyval_get_ptr( type_keyval, keyval_ptr ); /* Validate parameters and objects (post conversion) */ # ifdef HAVE_ERROR_CHECKING { MPID_BEGIN_ERROR_CHECKS; { /* Validate type_ptr */ MPIR_Datatype_valid_ptr( type_ptr, mpi_errno ); /* If type_ptr is not valid, it will be reset to null */ /* Validate keyval_ptr */ if (mpi_errno) goto fn_fail; } MPID_END_ERROR_CHECKS; } # endif /* HAVE_ERROR_CHECKING */ /* ... body of routine ... */ /* Look for attribute. They are ordered by keyval handle */ old_p = &type_ptr->attributes; p = type_ptr->attributes; while (p) { if (p->keyval->handle == keyval_ptr->handle) { break; } old_p = &p->next; p = p->next; } /* We can't unlock yet, because we must not free the attribute until we know whether the delete function has returned with a 0 status code */ if (p) { /* Run the delete function, if any, and then free the attribute storage */ mpi_errno = MPIR_Call_attr_delete( datatype, p ); /* --BEGIN ERROR HANDLING-- */ if (!mpi_errno) { int in_use; /* We found the attribute. Remove it from the list */ *old_p = p->next; /* Decrement the use of the keyval */ MPII_Keyval_release_ref( p->keyval, &in_use); if (!in_use) { MPIR_Handle_obj_free( &MPII_Keyval_mem, p->keyval ); } MPID_Attr_free(p); } /* --END ERROR HANDLING-- */ } if (mpi_errno != MPI_SUCCESS) goto fn_fail; /* ... end of body of routine ... */ fn_exit: MPIR_FUNC_TERSE_EXIT(MPID_STATE_MPI_TYPE_DELETE_ATTR); MPID_THREAD_CS_EXIT(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX); return mpi_errno; fn_fail: /* --BEGIN ERROR HANDLING-- */ # ifdef HAVE_ERROR_CHECKING { mpi_errno = MPIR_Err_create_code( mpi_errno, MPIR_ERR_RECOVERABLE, FCNAME, __LINE__, MPI_ERR_OTHER, "**mpi_type_delete_attr", "**mpi_type_delete_attr %D %d", datatype, type_keyval); } # endif mpi_errno = MPIR_Err_return_comm( NULL, FCNAME, mpi_errno ); goto fn_exit; /* --END ERROR HANDLING-- */ }