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Diffstat (limited to 'arch/um/os-Linux/irq.c')
-rw-r--r--arch/um/os-Linux/irq.c16
1 files changed, 4 insertions, 12 deletions
diff --git a/arch/um/os-Linux/irq.c b/arch/um/os-Linux/irq.c
index 3788d4568d33..7555bf9c33d9 100644
--- a/arch/um/os-Linux/irq.c
+++ b/arch/um/os-Linux/irq.c
@@ -52,11 +52,6 @@ int os_waiting_for_events(struct irq_fd *active_fds)
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) {
@@ -142,17 +137,14 @@ void os_set_ioignore(void)
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);