Stefan Hajnoczi 636b836d5f aio-posix: signal-proof fdmon-io_uring ...

The io_uring_enter(2) syscall returns with errno=EINTR when interrupted
by a signal.  Retry the syscall in this case.

It's essential to do this in the io_uring_submit_and_wait() case.  My
interpretation of the Linux v5.5 io_uring_enter(2) code is that it
shouldn't affect the io_uring_submit() case, but there is no guarantee
this will always be the case.  Let's check for -EINTR around both APIs.

Note that the liburing APIs have -errno return values.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20200408091139.273851-1-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

2020-04-09 15:55:06 +01:00

..

aio-posix.c

aio-posix: remove idle poll handlers to improve scalability

2020-03-09 16:45:16 +00:00

aio-posix.h

aio-posix: remove idle poll handlers to improve scalability

2020-03-09 16:45:16 +00:00

aio-wait.c

…

aio-win32.c

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aiocb.c

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async.c

util/async: make bh_aio_poll() O(1)

2020-02-22 08:26:47 +00:00

atomic64.c

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base64.c

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bitmap.c

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bitops.c

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buffer.c

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bufferiszero.c

util/bufferiszero: improve avx2 accelerator

2020-04-01 14:24:03 -04:00

cacheinfo.c

util/cacheinfo: fix crash when compiling with uClibc

2020-01-21 14:18:12 -10:00

compatfd.c

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coroutine-sigaltstack.c

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coroutine-ucontext.c

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coroutine-win32.c

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crc32c.c

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cutils.c

util/cutils: Turn FIXME comment into QEMU_BUILD_BUG_ON()

2019-12-18 12:26:25 +01:00

dbus.c

util: add dbus helper unit

2020-01-06 18:41:32 +04:00

drm.c

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envlist.c

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error.c

error: make Error **errp const where it is appropriate

2019-12-18 08:36:16 +01:00

event_notifier-posix.c

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event_notifier-win32.c

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fdmon-epoll.c

aio-posix: support userspace polling of fd monitoring

2020-03-09 16:41:31 +00:00

fdmon-io_uring.c

aio-posix: signal-proof fdmon-io_uring

2020-04-09 15:55:06 +01:00

fdmon-poll.c

aio-posix: support userspace polling of fd monitoring

2020-03-09 16:41:31 +00:00

fifo8.c

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filemonitor-inotify.c

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filemonitor-stub.c

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getauxval.c

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guest-random.c

replay: record and replay random number sources

2020-01-07 12:08:39 +01:00

hbitmap.c

block/dirty-bitmap: improve _next_dirty_area API

2020-03-18 14:03:46 -04:00

hexdump.c

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host-utils.c

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id.c

chardev: generate an internal id when none given

2020-01-07 16:50:09 +04:00

iov.c

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iova-tree.c

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keyval.c

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lockcnt.c

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log.c

linux-user: Use `qemu_log' for strace

2020-02-19 11:17:40 +01:00

main-loop.c

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Makefile.objs

linux-user: factor out reading of /proc/self/maps

2020-04-07 16:19:49 +01:00

memfd.c

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mmap-alloc.c

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module.c

modules: load modules from versioned /var/run dir

2020-03-16 23:02:22 +01:00

notify.c

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nvdimm-utils.c

mem: move nvdimm_device_list to utilities

2020-02-21 09:15:03 +11:00

osdep.c

util/osdep: Improve error report by calling error_setg_win32()

2020-03-09 13:36:15 +01:00

oslib-posix.c

oslib-posix: initialize mutex and condition variable

2020-03-16 23:02:22 +01:00

oslib-win32.c

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pagesize.c

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path.c

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qdist.c

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qemu-co-shared-resource.c

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qemu-config.c

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qemu-coroutine-io.c

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qemu-coroutine-lock.c

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qemu-coroutine-sleep.c

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qemu-coroutine.c

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qemu-error.c

error: Fix -msg timestamp default

2019-12-18 08:36:15 +01:00

qemu-openpty.c

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qemu-option.c

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qemu-print.c

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qemu-progress.c

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qemu-sockets.c

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qemu-thread-common.h

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qemu-thread-posix.c

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qemu-thread-win32.c

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qemu-timer-common.c

Remove support for CLOCK_MONOTONIC not being defined

2020-02-12 16:23:01 +01:00

qemu-timer.c

lockable: add lock guards

2020-03-17 15:18:45 +01:00

qht.c

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qsp.c

qsp: Use WITH_RCU_READ_LOCK_GUARD

2019-12-17 19:33:52 +01:00

range.c

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rcu.c

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readline.c

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selfmap.c

linux-user: factor out reading of /proc/self/maps

2020-04-07 16:19:49 +01:00

stats64.c

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sys_membarrier.c

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systemd.c

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thread-pool.c

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throttle.c

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timed-average.c

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trace-events

aio-posix: remove idle poll handlers to improve scalability

2020-03-09 16:45:16 +00:00

unicode.c

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uri.c

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uuid.c

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vfio-helpers.c

Report stringified errno in VFIO related errors

2020-02-18 20:20:49 +01:00