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-rw-r--r--io/sys/poll.h21
1 files changed, 20 insertions, 1 deletions
diff --git a/io/sys/poll.h b/io/sys/poll.h
index 9cf1b9f1c0..4085b785ee 100644
--- a/io/sys/poll.h
+++ b/io/sys/poll.h
@@ -1,5 +1,5 @@
/* Compatibility definitions for System V `poll' interface.
- Copyright (C) 1994,1996-2001,2004,2005 Free Software Foundation, Inc.
+ Copyright (C) 1994,1996-2001,2004,2005,2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -24,6 +24,13 @@
/* Get the platform dependent bits of `poll'. */
#include <bits/poll.h>
+#ifdef __USE_GNU
+/* Get the __sigset_t definition. */
+# include <bits/sigset.h>
+/* Get the timespec definition. */
+# define __need_timespec
+# include <time.h>
+#endif
/* Type used for the number of file descriptors. */
@@ -50,6 +57,18 @@ __BEGIN_DECLS
__THROW. */
extern int poll (struct pollfd *__fds, nfds_t __nfds, int __timeout);
+#ifdef __USE_GNU
+/* Like poll, but before waiting the threads signal mask is replaced
+ with that specified in the fourth parameter. For better usability,
+ the timeout value is specified using a TIMESPEC object.
+
+ This function is a cancellation point and therefore not marked with
+ __THROW. */
+extern int ppoll (struct pollfd *__fds, nfds_t __nfds,
+ __const struct timespec *__timeout,
+ __const __sigset_t *__ss);
+#endif
+
__END_DECLS
#endif /* sys/poll.h */