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authormarha <marha@users.sourceforge.net>2014-01-26 20:19:23 +0100
committermarha <marha@users.sourceforge.net>2014-01-26 20:19:23 +0100
commit5f455179ae4b279a82d99a7a3dabe61f58c42ad6 (patch)
treefdecec022cf1b8b782b90a64c14e374fa6d400cb /xorg-server/os/io.c
parent78d84bd03c744b0ed420c450dd2807904ccaef21 (diff)
parent30af30b78075159fce477ae99cc72540133714d0 (diff)
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Merge remote-tracking branch 'origin/released'
* origin/released: xserver randrproto libxtrans fontconfig libxcb xcb-proto mesa git update 26 Jan 2014 Conflicts: X11/xtrans/Xtrans.c xorg-server/dix/dispatch.c xorg-server/os/xdmcp.c
Diffstat (limited to 'xorg-server/os/io.c')
-rw-r--r--xorg-server/os/io.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/xorg-server/os/io.c b/xorg-server/os/io.c
index 1303f3ab1..ae3a9a786 100644
--- a/xorg-server/os/io.c
+++ b/xorg-server/os/io.c
@@ -102,12 +102,17 @@ typedef struct _connectionOutput {
static ConnectionInputPtr AllocateInputBuffer(void);
static ConnectionOutputPtr AllocateOutputBuffer(void);
-/* check for both EAGAIN and EWOULDBLOCK, because some supposedly POSIX
+/* If EAGAIN and EWOULDBLOCK are distinct errno values, then we check errno
+ * for both EAGAIN and EWOULDBLOCK, because some supposedly POSIX
* systems are broken and return EWOULDBLOCK when they should return EAGAIN
*/
#ifndef WIN32
-#define ETEST(err) (err == EAGAIN || err == EWOULDBLOCK)
-#else /* WIN32 The socket errorcodes differ from the normal errors */
+# if (EAGAIN != EWOULDBLOCK)
+# define ETEST(err) (err == EAGAIN || err == EWOULDBLOCK)
+# else
+# define ETEST(err) (err == EAGAIN)
+# endif
+#else /* WIN32 The socket errorcodes differ from the normal errors */
#define ETEST(err) (err == EAGAIN || err == WSAEWOULDBLOCK)
#endif