[Mono-list] LCC and CIL

[Gonzalo Paniagua Javier]

* [ Dominic Cooney <dominic@dcooney.com>
* Tue, 12 Mar 2002 22:47:19 +0100 ]
> I guess I need to brush up on my C! gcc allows this:
> 
> #include <setjmp.h>
> 
> jmp_buf env_buf;
> 
> int funcA()
> {
> 	int v = setjmp(env_buf);
> 	printf("setjmp returned %d\n", v);
> 	return v;
> }
> 
> int main()
> {
> 	if (!funcA())
> 		longjmp(env_buf, 1);
> }
> 
> gcc's executable works correctly, and I thought the program was legal.
> MSVC++ accepts it and prints "setjmp returned 0, setjmp returned 1" but
> then crashes.

	The man page for 'setjmp' doesn't guarantee that code works:

	"The stack context will be invalidated if the function which
	called setjmp() returns."

	So, may be MSVC++'s behavior could be expected.