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| author | Peter Maydell <peter.maydell@linaro.org> | 2015-09-14 16:13:16 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2015-09-14 16:13:16 +0100 |
| commit | a2aa09e18186801931763fbd40a751fa39971b18 (patch) | |
| tree | 550e6dc13cae6ef93986d69f7fb1d62620f07709 /util/qemu-thread-posix.c | |
| parent | 7e4804dafd4689312ef1172b549927a973bb5414 (diff) | |
| parent | 47d4be12c3997343e436c6cca89aefbbbeb70863 (diff) | |
Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
* Support for jemalloc
* qemu_mutex_lock_iothread "No such process" fix
* cutils: qemu_strto* wrappers
* iohandler.c simplification
* Many other fixes and misc patches.
And some MTTCG work (with Emilio's fixes squashed):
* Signal-free TCG kick
* Removing spinlock in favor of QemuMutex
* User-mode emulation multi-threading fixes/docs
# gpg: Signature made Thu 10 Sep 2015 09:03:07 BST using RSA key ID 78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>"
* remotes/bonzini/tags/for-upstream: (44 commits)
cutils: work around platform differences in strto{l,ul,ll,ull}
cpu-exec: fix lock hierarchy for user-mode emulation
exec: make mmap_lock/mmap_unlock globally available
tcg: comment on which functions have to be called with mmap_lock held
tcg: add memory barriers in page_find_alloc accesses
remove unused spinlock.
replace spinlock by QemuMutex.
cpus: remove tcg_halt_cond and tcg_cpu_thread globals
cpus: protect work list with work_mutex
scripts/dump-guest-memory.py: fix after RAMBlock change
configure: Add support for jemalloc
add macro file for coccinelle
configure: factor out adding disas configure
vhost-scsi: fix wrong vhost-scsi firmware path
checkpatch: remove tests that are not relevant outside the kernel
checkpatch: adapt some tests to QEMU
CODING_STYLE: update mixed declaration rules
qmp: Add example usage of strto*l() qemu wrapper
cutils: Add qemu_strtoull() wrapper
cutils: Add qemu_strtoll() wrapper
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'util/qemu-thread-posix.c')
| -rw-r--r-- | util/qemu-thread-posix.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/util/qemu-thread-posix.c b/util/qemu-thread-posix.c index b1abe97648..dbd8094fce 100644 --- a/util/qemu-thread-posix.c +++ b/util/qemu-thread-posix.c @@ -298,7 +298,16 @@ static inline void futex_wake(QemuEvent *ev, int n) static inline void futex_wait(QemuEvent *ev, unsigned val) { - futex(ev, FUTEX_WAIT, (int) val, NULL, NULL, 0); + while (futex(ev, FUTEX_WAIT, (int) val, NULL, NULL, 0)) { + switch (errno) { + case EWOULDBLOCK: + return; + case EINTR: + break; /* get out of switch and retry */ + default: + abort(); + } + } } #else static inline void futex_wake(QemuEvent *ev, int n) |