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d465fa53cb
Discussion of these changes can be found on the Mercury developers
mailing list archives from June 2018.
COPYING.LIB:
Add a special linking exception to the LGPL.
*:
Update references to COPYING.LIB.
Clean up some minor errors that have accumulated in copyright
messages.
60 lines
1.9 KiB
C
60 lines
1.9 KiB
C
// vim: ts=4 sw=4 expandtab ft=c
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// Copyright (C) 1998,2000 The University of Melbourne.
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// Copyright (C) 2016, 2018 The Mercury team.
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// This file is distributed under the terms specified in COPYING.LIB.
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// mercury_memory_handlers.h - signal handlers for the memory zones.
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//
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// This defines various signal handlers for memory access violations,
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// including accesses to the redzones at the end of each zone.
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#ifndef MERCURY_MEMORY_HANDLERS_H
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#define MERCURY_MEMORY_HANDLERS_H
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#include "mercury_memory_zones.h"
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// MR_default_handler is a function that can be passed to MR_create_zone to
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// unprotect enough of the redzone to allow the access to succeed, or
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// fail if there is no space left in the zone.
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extern MR_ZoneHandler MR_default_handler;
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// MR_null_handler is a function that can be passed to MR_create_zone
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// which always fails.
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extern MR_ZoneHandler MR_null_handler;
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//
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// setup_signals() will setup the default signal handlers.
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//
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extern void MR_setup_signals(void);
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#ifdef MR_MSVC_STRUCTURED_EXCEPTIONS
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// Filter a Win32 exception (to be called in the __except filter
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// part).
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// Possible return values are:
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//
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// EXCEPTION_CONTINUE_EXECUTION (-1)
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// Exception is dismissed. Continue execution at the point where
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// the exception occurred.
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//
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// EXCEPTION_CONTINUE_SEARCH (0)
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// Exception is not recognized. Continue to search up the stack for
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// a handler, first for containing try-except statements, then for
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// handlers with the next highest precedence.
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//
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// EXCEPTION_EXECUTE_HANDLER (1)
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// Exception is recognized. Transfer control to the exception handler
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// by executing the __except compound statement, then continue
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// execution at the assembly instruction that was executing
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// when the exception was raised.
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#include "mercury_windows.h"
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int MR_filter_win32_exception(LPEXCEPTION_POINTERS exception_ptrs);
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#endif
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#endif // not MERCURY_MEMORY_HANDLERS_H
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