int
sigismember(const sigset_t *set, int signo)
{
if (SIGBAD(signo)) { errno = EINVAL; return -1; }
return ((*set & (1 << (signo - 1))) != 0);
}
int
sigaddset(sigset_t *set, int signo)
{
if (SIGBAD(signo)) { errno = EINVAL; return(-1); }
*set |= 1 << (signo - 1); /* turn bit on */
return(0);
}
int
sigdelset(sigset_t *set, int signo)
{
if (SIGBAD(signo)) { errno = EINVAL; return(-1); }
*set &= ~(1 << (signo - 1)); /* turn bit off */
return(0);
}
int
sigdelset(sigset_t *set, int signo)
{
if(SIGBAD(signo)) { error = EINVAL; return -1; }
*set &= ~(1 << (signo -1)); /* turn bit off */
return 0;
}
int sigaddset(sigset_t *set, int signo) {
if (SIGBAD(signo)) {
errno = EINVAL;
return -1;
}
*set |= 1 << (signo-1);
return 0;
}
/* del a signal from set, just turn off that bit */
int sigdelset( sigset_t *set, int signo ) {
if ( SIGBAD( signo ) ) {
errno = EINVAL;
return -1;
}
*set &= ~(1 << (signo - 1));
return 0;
}
/* add a signal to set, just turn on the bit: the signo'th bit */
int sigaddset( sigset_t *set, int signo ) {
/* checking for error: invalid signo, for example */
if ( SIGBAD( signo ) ) {
errno = EINVAL;
return -1;
}
/*
* generally there is no signal 0, so we should substract 1 from signo to get
* the designated bit
*/
*set |= (1 << (signo - 1)); /* turn the bit on */
return 0;
}
Sigfunc *_nt_signal(int signal, Sigfunc * handler) {
Sigfunc *old;
if (SIGBAD(signal)) {
errno = EINVAL;
return SIG_ERR;
}
if (signal == SIGHUP && handler == SIG_IGN && __forked) {
__nt_child_nohupped = 1;
}
old = handlers[signal];
handlers[signal] = handler;
return old;
}
int sigaction(int signo, const struct sigaction *act, struct sigaction *oact) {
if (SIGBAD(signo)) {
errno = EINVAL;
return -1;
}
if(oact){
oact->sa_handler = handlers[signo];
oact->sa_mask = 0;
oact->sa_flags =0;
}
if ((signo == SIGHUP) && (act && (act->sa_handler == SIG_IGN))
&& __forked)
__nt_child_nohupped = 1;
if (act)
handlers[signo]=act->sa_handler;
return 0;
}
int generic_handler(DWORD signo) {
int blocked=0;
if (SIGBAD(signo) )
return FALSE;
switch (signo) {
case SIGINT:
if (handlers[signo] != SIG_IGN){
if (fast_sigmember(&gBlockMask,signo) ) {
inc_pending(signo);
blocked=1;
}
else if (handlers[signo] == SIG_DFL)
ExitProcess(0xC000013AL);
else
handlers[signo](signo);
}
break;
case SIGBREAK:
if (handlers[signo] != SIG_IGN){
if (fast_sigmember(&gBlockMask,signo) ) {
inc_pending(signo);
blocked=1;
}
else if (handlers[signo] == SIG_DFL)
ExitProcess(0xC000013AL);
else
handlers[signo](signo);
}
break;
case SIGHUP: //CTRL_CLOSE_EVENT
if (handlers[signo] != SIG_IGN){
if (fast_sigmember(&gBlockMask,signo) ) {
inc_pending(signo);
blocked=1;
}
else if (handlers[signo] == SIG_DFL)
ExitProcess(604);
else
handlers[signo](signo);
}
break;
case SIGTERM: //CTRL_LOGOFF_EVENT
if (handlers[signo] != SIG_IGN){
if (fast_sigmember(&gBlockMask,signo) ) {
inc_pending(signo);
blocked=1;
}
else if (handlers[signo] == SIG_DFL)
ExitProcess(604);
else
handlers[signo](signo);
}
else
ExitProcess(604);
break;
case SIGKILL: //CTRL_SHUTDOWN_EVENT
if (handlers[signo] != SIG_IGN){
if (fast_sigmember(&gBlockMask,signo) ) {
inc_pending(signo);
blocked=1;
}
else if (handlers[signo] == SIG_DFL)
ExitProcess(604);
else
handlers[signo](signo);
}
else
ExitProcess(604);
break;
case SIGALRM:
if (handlers[signo] != SIG_IGN){
if (fast_sigmember(&gBlockMask,signo) ) {
inc_pending(signo);
blocked=1;
}
else if (handlers[signo] == SIG_DFL)
ExitProcess(604);
else
handlers[signo](signo);
}
break;
case SIGCHLD:
if (handlers[signo] != SIG_IGN){
if (fast_sigmember(&gBlockMask,signo) ) {
dprintf("inc pending for sig %d count %d\n",signo,
gPending[signo]);
inc_pending(signo);
blocked=1;
}
else if (handlers[signo] != SIG_DFL)
handlers[signo](signo);
}
break;
default:
ExitProcess(604);
break;
}
if (!blocked && __is_suspended) {
EnterCriticalSection(&sigcritter);
__is_suspended--;
LeaveCriticalSection(&sigcritter);
dprintf("releasing suspension is_suspsend = %d\n",__is_suspended);
SetEvent(hsigsusp);
}
return TRUE;
}
int sigdelset(sigset_t *set, int signo){
if (SIGBAD(signo)) { errno = EINVAL; return (-1);}/*SIGBAD*/
*set &= ~(1 << (signo - 1));
return 0;
}/*sigdelset*/
int sigaddset(sigset_t *set, int signo){
if (SIGBAD(signo)) { errno = EINVAL; return (-1);}/*SIGBAD*/
*set |= 1 << (signo - 1);
return 0;
}/*sigaddset*/
