newlib/libgloss/arm/_exit.c

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#include <_ansi.h>
int _kill _PARAMS ((int, int));
void _exit _PARAMS ((int));
void
_exit (int status)
{
/* There is only one SWI for both _exit and _kill. For _exit, call
the SWI with the second argument set to -1, an invalid value for
signum, so that the SWI handler can distinguish the two calls.
Note: The RDI implementation of _kill throws away both its
arguments. */
_kill (status, -1);
}