From: Christopher Faulet <cfaulet@haproxy.com>
Date: Wed, 30 Aug 2017 08:30:04 +0000 (+0200)
Subject: MINOR: fd: Add fd_update_events function
X-Git-Tag: v1.8-dev3~116
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=21e9267ac3bd8642307b0f9791d3e46998141620;p=thirdparty%2Fhaproxy.git

MINOR: fd: Add fd_update_events function

This function should be called by the poller to set FD_POLL_* flags on an FD and
update its state if needed. This function has been added to ease threads support
integration.
---

diff --git a/include/proto/fd.h b/include/proto/fd.h
index 14b2849420..56e20827ca 100644
--- a/include/proto/fd.h
+++ b/include/proto/fd.h
@@ -343,6 +343,20 @@ static inline void fd_want_send(int fd)
 	}
 }
 
+/* Update events seen for FD <fd> and its state if needed. This should be called
+ * by the poller to set FD_POLL_* flags. */
+static inline void fd_update_events(int fd, int evts)
+{
+	fdtab[fd].ev &= FD_POLL_STICKY;
+	fdtab[fd].ev |= evts;
+
+	if (fdtab[fd].ev & (FD_POLL_IN | FD_POLL_HUP | FD_POLL_ERR))
+		fd_may_recv(fd);
+
+	if (fdtab[fd].ev & (FD_POLL_OUT | FD_POLL_ERR))
+		fd_may_send(fd);
+}
+
 /* Prepares <fd> for being polled */
 static inline void fd_insert(int fd)
 {