1635eab367
Don't free stack allocated defer block. Also ensure we have a Go context in a few more places before freeing the block. From-SVN: r205940
48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
/* go-defer.h -- the defer stack.
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Copyright 2010 The Go Authors. All rights reserved.
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Use of this source code is governed by a BSD-style
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license that can be found in the LICENSE file. */
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struct __go_panic_stack;
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/* The defer stack is a list of these structures. */
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struct __go_defer_stack
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{
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/* The next entry in the stack. */
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struct __go_defer_stack *__next;
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/* The stack variable for the function which called this defer
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statement. This is set to 1 if we are returning from that
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function, 0 if we are panicing through it. */
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_Bool *__frame;
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/* The value of the panic stack when this function is deferred.
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This function can not recover this value from the panic stack.
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This can happen if a deferred function uses its own defer
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statement. */
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struct __go_panic_stack *__panic;
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/* The function to call. */
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void (*__pfn) (void *);
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/* The argument to pass to the function. */
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void *__arg;
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/* The return address that a recover thunk matches against. This is
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set by __go_set_defer_retaddr which is called by the thunks
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created by defer statements. */
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const void *__retaddr;
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/* Set to true if a function created by reflect.MakeFunc is
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permitted to recover. The return address of such a function
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function will be somewhere in libffi, so __retaddr is not
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useful. */
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_Bool __makefunc_can_recover;
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/* Set to true if this defer stack entry should be freed when
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done. */
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_Bool __free;
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};
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