about summary refs log tree commit diff
path: root/io/sys/poll.h
diff options
context:
space:
mode:
authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /io/sys/poll.h
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
downloadglibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.tar.gz
glibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.tar.xz
glibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.zip
2.5-18.1
Diffstat (limited to 'io/sys/poll.h')
-rw-r--r--io/sys/poll.h26
1 files changed, 24 insertions, 2 deletions
diff --git a/io/sys/poll.h b/io/sys/poll.h
index 89a27eab2b..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) 1994,96,97,98,99,2000,2001,2004 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.  */
@@ -44,9 +51,24 @@ __BEGIN_DECLS
    FDS.  If TIMEOUT is nonzero and not -1, allow TIMEOUT milliseconds for
    an event to occur; if TIMEOUT is -1, block until an event occurs.
    Returns the number of file descriptors with events, zero if timed out,
-   or -1 for errors.  */
+   or -1 for errors.
+
+   This function is a cancellation point and therefore not marked with
+   __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 */