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| author | Stefan Hajnoczi | 2020-09-23 12:56:46 +0200 |
|---|---|---|
| committer | Stefan Hajnoczi | 2020-09-23 17:07:44 +0200 |
| commit | d73415a315471ac0b127ed3fad45c8ec5d711de1 (patch) | |
| tree | bae20b3a39968fdfb4340b1a39b533333a8e6fd0 /qemu-nbd.c | |
| parent | tests: add test-fdmon-epoll (diff) | |
| download | qemu-d73415a315471ac0b127ed3fad45c8ec5d711de1.tar.gz qemu-d73415a315471ac0b127ed3fad45c8ec5d711de1.tar.xz qemu-d73415a315471ac0b127ed3fad45c8ec5d711de1.zip | |
qemu/atomic.h: rename atomic_ to qatomic_
clang's C11 atomic_fetch_*() functions only take a C11 atomic type
pointer argument. QEMU uses direct types (int, etc) and this causes a
compiler error when a QEMU code calls these functions in a source file
that also included <stdatomic.h> via a system header file:
$ CC=clang CXX=clang++ ./configure ... && make
../util/async.c:79:17: error: address argument to atomic operation must be a pointer to _Atomic type ('unsigned int *' invalid)
Avoid using atomic_*() names in QEMU's atomic.h since that namespace is
used by <stdatomic.h>. Prefix QEMU's APIs with 'q' so that atomic.h
and <stdatomic.h> can co-exist. I checked /usr/include on my machine and
searched GitHub for existing "qatomic_" users but there seem to be none.
This patch was generated using:
$ git grep -h -o '\<atomic\(64\)\?_[a-z0-9_]\+' include/qemu/atomic.h | \
sort -u >/tmp/changed_identifiers
$ for identifier in $(</tmp/changed_identifiers); do
sed -i "s%\<$identifier\>%q$identifier%g" \
$(git grep -I -l "\<$identifier\>")
done
I manually fixed line-wrap issues and misaligned rST tables.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20200923105646.47864-1-stefanha@redhat.com>
Diffstat (limited to 'qemu-nbd.c')
| -rw-r--r-- | qemu-nbd.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/qemu-nbd.c b/qemu-nbd.c index 33476a1000..e39d3b23c1 100644 --- a/qemu-nbd.c +++ b/qemu-nbd.c @@ -158,7 +158,7 @@ QEMU_COPYRIGHT "\n" #if HAVE_NBD_DEVICE static void termsig_handler(int signum) { - atomic_cmpxchg(&state, RUNNING, TERMINATE); + qatomic_cmpxchg(&state, RUNNING, TERMINATE); qemu_notify_event(); } #endif /* HAVE_NBD_DEVICE */ |