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authorRoland McGrath <roland@gnu.org>1995-10-17 09:00:50 +0000
committerRoland McGrath <roland@gnu.org>1995-10-17 09:00:50 +0000
commitf2149f697a3a5339a30dd6931864a7f5f6904085 (patch)
treee656b966e3bb09ce75909281fa55e6aa10b134a7 /hurd
parentTue Oct 17 01:21:21 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu> (diff)
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* hurd/hurd/signal.h: Declare hurd_preempt_signals and
hurd_unpreempt_signals. * stdio/stdio.h: Declare __snprintf and __vsnprintf.
Diffstat (limited to 'hurd')
-rw-r--r--hurd/hurd/signal.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/hurd/hurd/signal.h b/hurd/hurd/signal.h
index 6a188bd774..b494f4922e 100644
--- a/hurd/hurd/signal.h
+++ b/hurd/hurd/signal.h
@@ -357,5 +357,18 @@ struct hurd_signal_preempt
extern struct hurd_signal_preempt *_hurd_signal_preempt[NSIG];
extern struct mutex _hurd_signal_preempt_lock;
+/* Install a signal preempter for the given signal and range.
+ The caller is responsible for the storage for PREEMPTER. */
+extern int hurd_preempt_signals (struct hurd_signal_preempt *preempter,
+ int signo, int first_code, int last_code,
+ sighandler_t (*handler) (thread_t,
+ int, long int, int));
+
+/* Remove the signal preempter previously installed by calling
+ `hurd_preempt_signals' with PREEMPTER and SIGNO. */
+extern int hurd_unpreempt_signals (struct hurd_signal_preempt *preempter,
+ int signo);
+
+
#endif /* hurd/signal.h */