#include "sigio.h"
#include "irq_user.h"
#include "os.h"
+#include "um_malloc.h"
static struct pollfd *pollfds = NULL;
static int pollfds_num = 0;
return n;
}
-int os_isatty(int fd)
-{
- return isatty(fd);
-}
-
int os_create_pollfd(int fd, int events, void *tmp_pfd, int size_tmpfds)
{
if (pollfds_num == pollfds_size) {
void os_set_ioignore(void)
{
- set_handler(SIGIO, SIG_IGN, 0, -1);
+ signal(SIGIO, SIG_IGN);
}
void init_irq_signals(int on_sigstack)
{
- __sighandler_t h;
int flags;
flags = on_sigstack ? SA_ONSTACK : 0;
- if (timer_irq_inited)
- h = (__sighandler_t)alarm_handler;
- else
- h = boot_timer_handler;
- set_handler(SIGVTALRM, h, flags | SA_RESTART,
- SIGUSR1, SIGIO, SIGWINCH, SIGALRM, -1);
+ set_handler(SIGVTALRM, (__sighandler_t) alarm_handler,
+ flags | SA_RESTART, SIGUSR1, SIGIO, SIGWINCH, SIGALRM, -1);
+ set_handler(SIGALRM, (__sighandler_t) alarm_handler,
+ flags | SA_RESTART, SIGUSR1, SIGIO, SIGWINCH, SIGALRM, -1);
set_handler(SIGIO, (__sighandler_t) sig_handler, flags | SA_RESTART,
SIGUSR1, SIGIO, SIGWINCH, SIGALRM, SIGVTALRM, -1);
signal(SIGWINCH, SIG_IGN);