void sig_handler(ARCH_SIGHDLR_PARAM)
{
struct sigcontext *sc;
int enabled;
/* Must be the first thing that this handler does - x86_64 stores
* the sigcontext in %rdx, and we need to save it before it has a
* chance to get trashed.
*/
ARCH_GET_SIGCONTEXT(sc, sig);
enabled = signals_enabled;
if(!enabled && (sig == SIGIO)){
pending |= SIGIO_MASK;
return;
}
block_signals();
CHOOSE_MODE_PROC(sig_handler_common_tt, sig_handler_common_skas,
sig, sc);
set_signals(enabled);
}
void sig_handler(int sig)
{
struct sigcontext *sc;
ARCH_GET_SIGCONTEXT(sc, sig);
CHOOSE_MODE_PROC(sig_handler_common_tt, sig_handler_common_skas,
sig, sc);
}
void alarm_handler(int sig)
{
struct sigcontext *sc;
ARCH_GET_SIGCONTEXT(sc, sig);
if(!timer_irq_inited) return;
if(sig == SIGALRM)
switch_timers(0);
CHOOSE_MODE_PROC(sig_handler_common_tt, sig_handler_common_skas,
sig, sc);
if(sig == SIGALRM)
switch_timers(1);
}
void boot_timer_handler(ARCH_SIGHDLR_PARAM)
{
struct sigcontext *sc;
int enabled;
ARCH_GET_SIGCONTEXT(sc, sig);
enabled = signals_enabled;
if(!enabled){
if(sig == SIGVTALRM)
pending |= SIGVTALRM_MASK;
else pending |= SIGALRM_MASK;
return;
}
block_signals();
do_boot_timer_handler(sc);
set_signals(enabled);
}