Why is (void)&variable; construct used?
dillon at apollo.backplane.com
Tue Apr 26 14:39:12 PDT 2005
:On Tue, Apr 26, 2005 at 10:58:34AM -0700, Max Okumoto wrote:
:> With the new gcc do we still need the following construct?
:It's a way to force the symbols as used. Remove them.
No, it's a way to force the variable declarations to NOT be placed
in registers, so changes to the variables effect the parent of a
vfork (if they are in registers then they don't effect the parent).
GCC complains about that situation for vfork, setjmp, and longjmp
<dillon at xxxxxxxxxxxxx>
More information about the Users