mirror of
https://gcc.gnu.org/git/gcc.git
synced 2024-12-19 09:05:17 +08:00
124 lines
4.6 KiB
C++
124 lines
4.6 KiB
C++
/* except.h -*-C++-*-
|
|
*
|
|
*************************************************************************
|
|
*
|
|
* @copyright
|
|
* Copyright (C) 2009-2013, Intel Corporation
|
|
* All rights reserved.
|
|
*
|
|
* @copyright
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
* * Neither the name of Intel Corporation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* @copyright
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
|
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
|
|
* WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
**************************************************************************/
|
|
|
|
/**
|
|
* @file except.h
|
|
*
|
|
* @brief Common definitions for the various implementations of exception
|
|
* handling.
|
|
*/
|
|
|
|
#ifndef INCLUDED_EXCEPT_DOT_H
|
|
#define INCLUDED_EXCEPT_DOT_H
|
|
|
|
#include <cilk/common.h>
|
|
#include <internal/abi.h>
|
|
#include "full_frame.h"
|
|
|
|
__CILKRTS_BEGIN_EXTERN_C
|
|
|
|
/**
|
|
* OS-dependent information about an exception that's being moved between
|
|
* strands.
|
|
*/
|
|
typedef struct pending_exception_info pending_exception_info;
|
|
|
|
/**
|
|
* Merge the right exception record into the left. The left is logically
|
|
* earlier.
|
|
*
|
|
* On entry the left state is synched and can not have an unresolved
|
|
* exception. The merge may result in an unresolved exception.
|
|
*
|
|
* If there is both a right and left exception, the right exception will
|
|
* be disposed of in preference to the left exception, destructing the
|
|
* exception object.
|
|
*
|
|
* @param w The worker that is preparing to resume execution.
|
|
* @param left_exception The exception that would have happened earlier
|
|
* if the code executed serially. Can be NULL if the left strand has not
|
|
* raised an exception.
|
|
* @param right_exception The exception that would have happened later
|
|
* if the code executed serially. Can be NULL if the right strand has not
|
|
* raised an exception.
|
|
*
|
|
* @return NULL if there both the right and left exception are NULL. This
|
|
* indicates that there are no pending exceptions.
|
|
* @return The pending exception that is to be raised to continue searching
|
|
* for a catch block to handle the exception.
|
|
*/
|
|
COMMON_SYSDEP
|
|
struct pending_exception_info *__cilkrts_merge_pending_exceptions(
|
|
__cilkrts_worker *w,
|
|
pending_exception_info *left_exception,
|
|
pending_exception_info *right_exception);
|
|
|
|
/**
|
|
* Move the exception information from the worker to the full_frame.
|
|
*
|
|
* @param w The worker which is suspending work on a full_frame.
|
|
* @param ff The full_frame which is being suspended.
|
|
*/
|
|
COMMON_SYSDEP
|
|
void __cilkrts_save_exception_state(__cilkrts_worker *w,
|
|
full_frame *ff);
|
|
|
|
/**
|
|
* Function to delete pending exception. This will delete the
|
|
* exception object and then free the stack/fiber.
|
|
*
|
|
* @param w The worker we're running on.
|
|
* @param pei The pending exception to be delete
|
|
* @param delete_object Unused. Should always be 1.
|
|
*/
|
|
void delete_exception_obj (__cilkrts_worker *w,
|
|
struct pending_exception_info *pei,
|
|
int delete_object);
|
|
|
|
#ifndef _WIN32
|
|
/* gcc-style exception handling */
|
|
NON_COMMON NORETURN __cilkrts_c_sync_except(__cilkrts_worker *w,
|
|
__cilkrts_stack_frame *sf);
|
|
NON_COMMON void __attribute__((nonnull))
|
|
__cilkrts_gcc_rethrow(__cilkrts_stack_frame *sf);
|
|
#endif
|
|
|
|
__CILKRTS_END_EXTERN_C
|
|
|
|
#endif // ! defined(INCLUDED_EXCEPT_DOT_H)
|