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authorroot <root@artemis.panaceas.org>2015-12-25 15:00:15 +0000
committerroot <root@artemis.panaceas.org>2015-12-25 15:00:15 +0000
commitddd86436f4e3643c04b797f858dab95d5f2e4de9 (patch)
treebfe7a780cf9a2f4fc33aec32c82e625e79dece1f /backport-include/linux/poll.h
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Diffstat (limited to 'backport-include/linux/poll.h')
-rw-r--r--backport-include/linux/poll.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/backport-include/linux/poll.h b/backport-include/linux/poll.h
new file mode 100644
index 0000000..978b95c
--- /dev/null
+++ b/backport-include/linux/poll.h
@@ -0,0 +1,21 @@
+#ifndef __BACKPORT_LINUX_POLL_H
+#define __BACKPORT_LINUX_POLL_H
+#include_next <linux/poll.h>
+#include <linux/version.h>
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,4,0) && \
+ LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,31)
+#define poll_does_not_wait LINUX_BACKPORT(poll_does_not_wait)
+static inline bool poll_does_not_wait(const poll_table *p)
+{
+ return p == NULL || p->qproc == NULL;
+}
+
+#define poll_requested_events LINUX_BACKPORT(poll_requested_events)
+static inline unsigned long poll_requested_events(const poll_table *p)
+{
+ return p ? p->key : ~0UL;
+}
+#endif /* 2.6.31 <= version < 3.4 */
+
+#endif /* __BACKPORT_LINUX_POLL_H */