sys/rt/exit.c


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#include <u.h>
#include <rt.h>
#include <syscall.h>

/* tell linker to go find */
void noreturn exit(int code);

/* if did not call rt·atexit, then don't pull it in */
static void noop(void){}
weakalias(noop, rt·clean);

static noreturn void
rt·shutdown(int code)
{
    if(rt·context.fini)
        rt·context.fini();
    if(rt·context.exit)
        rt·context.exit();

    /* XXX: better way to encapsulate these calls? */
	_syscall1(·ExitGroup, code);
    for(;;)
		_syscall1(·Exit, code);
}

noreturn void
rt·exit(int code)
{
    /* ring libc, anyone home? */
	exit(code);
    /* if we are here, we are in charge, shut it down */
    rt·clean();
    rt·shutdown(code);
}