* configure (have_sys_time): New variable.

Added check for setitimer/getitimer which also
checks for <sys/time.h>.

* signal.c (sig_init): Register itimer-real, itimer-virtual,
itimer-prof variables and getitimer and setitimer functions.
(tv_to_usec): New static function.
(getitimer_wrap, setitimer_wrap): New functions.

* signal.h (getitimer_wrap, setitimer_wrap): Declared.

* txr.1: Documented itimers.

1 files changed, 5 insertions, 0 deletions

diff --git a/signal.h b/signal.h
index 63a9bb8d..4fe9d823 100644
--- a/signal.h
+++ b/signal.h
@@ -124,3 +124,8 @@ val sig_check(void);
 #if HAVE_POSIX_SIGS
 int sig_mask(int how, const sigset_t *set, sigset_t *oldset);
 #endif
+
+#if HAVE_ITIMER
+val getitimer_wrap(val which);
+val setitimer_wrap(val which, val interval, val currval);
+#endif