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Use kill instead of sigqueue: re-enables AIO on OpenBSD 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6360 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
blueswir1 2009-01-17 06:49:15 +00:00
parent 63c75dcd66
commit c9db92fcc1
4 changed files with 4 additions and 9 deletions
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3
block-raw-posix.c
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@ -579,8 +579,7 @@ static RawAIOCB *raw_aio_setup(BlockDriverState *bs,
if (!acb) if (!acb)
return NULL; return NULL;
acb->aiocb.aio_fildes = s->fd; acb->aiocb.aio_fildes = s->fd;
acb->aiocb.aio_sigevent.sigev_signo = SIGUSR2; acb->aiocb.sigev_signo = SIGUSR2;
acb->aiocb.aio_sigevent.sigev_notify = SIGEV_SIGNAL;
acb->aiocb.aio_buf = buf; acb->aiocb.aio_buf = buf;
if (nb_sectors < 0) if (nb_sectors < 0)
acb->aiocb.aio_nbytes = -nb_sectors; acb->aiocb.aio_nbytes = -nb_sectors;

4
configure vendored
View File

@ -1005,9 +1005,7 @@ if test "$aio" = "yes" ; then
aio=no aio=no
cat > $TMPC << EOF cat > $TMPC << EOF
#include <pthread.h> #include <pthread.h>
#include <signal.h> int main(void) { pthread_mutex_t lock; return 0; }
int main(void) { struct sigevent s; pthread_mutex_t lock;
return sigqueue(0, 0, s.sigev_value); }
EOF EOF
if $cc $ARCH_CFLAGS -o $TMPE $AIOLIBS $TMPC 2> /dev/null ; then if $cc $ARCH_CFLAGS -o $TMPE $AIOLIBS $TMPC 2> /dev/null ; then
aio=yes aio=yes

4
posix-aio-compat.c
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@ -94,9 +94,7 @@ static void *aio_thread(void *unused)
idle_threads++; idle_threads++;
pthread_mutex_unlock(&lock); pthread_mutex_unlock(&lock);
sigqueue(getpid(), kill(getpid(), aiocb->sigev_signo);
aiocb->aio_sigevent.sigev_signo,
aiocb->aio_sigevent.sigev_value);
} }
idle_threads--; idle_threads--;

2
posix-aio-compat.h
View File

@ -29,7 +29,7 @@ struct qemu_paiocb
int aio_fildes; int aio_fildes;
void *aio_buf; void *aio_buf;
size_t aio_nbytes; size_t aio_nbytes;
struct sigevent aio_sigevent; int sigev_signo;
off_t aio_offset; off_t aio_offset;
/* private */ /* private */