* [Qemu-devel] [5304] Relax posix-aio restrictions on newer glibcs
@ 2008-09-23 2:57 Anthony Liguori
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From: Anthony Liguori @ 2008-09-23 2:57 UTC (permalink / raw)
To: qemu-devel
Revision: 5304
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5304
Author: aliguori
Date: 2008-09-23 02:57:00 +0000 (Tue, 23 Sep 2008)
Log Message:
-----------
Relax posix-aio restrictions on newer glibcs
RedHat 9 shipped glibc 2.3. Modern versions of glibc do not have the aio thread
exit issue that the comment references. This patch adjusts the check to only
limit aio_init on glibc versions < 2.4.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Modified Paths:
--------------
trunk/block-raw-posix.c
Modified: trunk/block-raw-posix.c
===================================================================
--- trunk/block-raw-posix.c 2008-09-22 21:54:00 UTC (rev 5303)
+++ trunk/block-raw-posix.c 2008-09-23 02:57:00 UTC (rev 5304)
@@ -545,7 +545,7 @@
qemu_aio_set_fd_handler(s->fd, posix_aio_read, NULL, posix_aio_flush, s);
-#if defined(__GLIBC__) && defined(__linux__)
+#if defined(__linux__) && defined(__GLIBC_PREREQ) && !__GLIBC_PREREQ(2, 4)
{
/* XXX: aio thread exit seems to hang on RedHat 9 and this init
seems to fix the problem. */
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