Revision baf35cb9
| ID | baf35cb90204d75404892aa4e52628ae7a00669b |
Use signalfd() to work around signal/select race
This patch introduces signalfd() to work around the signal/select race in
checking for AIO completions. For platforms that don't support signalfd(), we
emulate it with threads.
There was a long discussion about this approach. I don't believe there are any
fundamental problems with this approach and I believe eliminating the use of
signals is a good thing.
I've tested Windows and Linux using Windows and Linux guests. I've also checked
for disk IO performance regressions.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5187 c046a42c-6fe2-441c-8c8c-71466251a162
Files
- added
- modified
- copied
- renamed
- deleted
- Makefile (diff)
- Makefile.target (diff)
- block-raw-posix.c (diff)
- block-raw-win32.c (diff)
- block.c (diff)
- block.h (diff)
- vl.c (diff)