alsa: Use proper value when testing returned events in alsa_poll_handler

[qemu] / posix-aio-compat.c

diff --git a/posix-aio-compat.c b/posix-aio-compat.c
index 5ea197f..68cbec8 100644 (file)
--- a/posix-aio-compat.c
+++ b/posix-aio-compat.c
@@ -22,7 +22,7 @@
 #include <stdlib.h>
 #include <stdio.h>
 
-#include "sys-queue.h"
+#include "qemu-queue.h"
 #include "osdep.h"
 #include "qemu-common.h"
 #include "block_int.h"
@@ -43,7 +43,7 @@ struct qemu_paiocb {
     int ev_signo;
     off_t aio_offset;
 
-    TAILQ_ENTRY(qemu_paiocb) node;
+    QTAILQ_ENTRY(qemu_paiocb) node;
     int aio_type;
     ssize_t ret;
     int active;
@@ -63,7 +63,7 @@ static pthread_attr_t attr;
 static int max_threads = 64;
 static int cur_threads = 0;
 static int idle_threads = 0;
-static TAILQ_HEAD(, qemu_paiocb) request_list;
+static QTAILQ_HEAD(, qemu_paiocb) request_list;
 
 #ifdef CONFIG_PREADV
 static int preadv_present = 1;
@@ -134,6 +134,16 @@ static size_t handle_aiocb_ioctl(struct qemu_paiocb *aiocb)
        return aiocb->aio_nbytes;
 }
 
+static size_t handle_aiocb_flush(struct qemu_paiocb *aiocb)
+{
+    int ret;
+
+    ret = qemu_fdatasync(aiocb->aio_fildes);
+    if (ret == -1)
+        return -errno;
+    return 0;
+}
+
 #ifdef CONFIG_PREADV
 
 static ssize_t
@@ -311,16 +321,16 @@ static void *aio_thread(void *unused)
 
         mutex_lock(&lock);
 
-        while (TAILQ_EMPTY(&request_list) &&
+        while (QTAILQ_EMPTY(&request_list) &&
                !(ret == ETIMEDOUT)) {
             ret = cond_timedwait(&cond, &lock, &ts);
         }
 
-        if (TAILQ_EMPTY(&request_list))
+        if (QTAILQ_EMPTY(&request_list))
             break;
 
-        aiocb = TAILQ_FIRST(&request_list);
-        TAILQ_REMOVE(&request_list, aiocb, node);
+        aiocb = QTAILQ_FIRST(&request_list);
+        QTAILQ_REMOVE(&request_list, aiocb, node);
         aiocb->active = 1;
         idle_threads--;
         mutex_unlock(&lock);
@@ -330,6 +340,9 @@ static void *aio_thread(void *unused)
         case QEMU_AIO_WRITE:
                ret = handle_aiocb_rw(aiocb);
                break;
+        case QEMU_AIO_FLUSH:
+                ret = handle_aiocb_flush(aiocb);
+                break;
         case QEMU_AIO_IOCTL:
                ret = handle_aiocb_ioctl(aiocb);
                break;
@@ -368,7 +381,7 @@ static void qemu_paio_submit(struct qemu_paiocb *aiocb)
     mutex_lock(&lock);
     if (idle_threads == 0 && cur_threads < max_threads)
         spawn_thread();
-    TAILQ_INSERT_TAIL(&request_list, aiocb, node);
+    QTAILQ_INSERT_TAIL(&request_list, aiocb, node);
     mutex_unlock(&lock);
     cond_signal(&cond);
 }
@@ -496,7 +509,7 @@ static void paio_cancel(BlockDriverAIOCB *blockacb)
 
     mutex_lock(&lock);
     if (!acb->active) {
-        TAILQ_REMOVE(&request_list, acb, node);
+        QTAILQ_REMOVE(&request_list, acb, node);
         acb->ret = -ECANCELED;
     } else if (acb->ret == -EINPROGRESS) {
         active = 1;
@@ -530,8 +543,10 @@ BlockDriverAIOCB *paio_submit(BlockDriverState *bs, void *aio_ctx, int fd,
     acb->aio_type = type;
     acb->aio_fildes = fd;
     acb->ev_signo = SIGUSR2;
-    acb->aio_iov = qiov->iov;
-    acb->aio_niov = qiov->niov;
+    if (qiov) {
+        acb->aio_iov = qiov->iov;
+        acb->aio_niov = qiov->niov;
+    }
     acb->aio_nbytes = nb_sectors * 512;
     acb->aio_offset = sector_num * 512;
 
@@ -604,7 +619,7 @@ void *paio_init(void)
     if (ret)
         die2(ret, "pthread_attr_setdetachstate");
 
-    TAILQ_INIT(&request_list);
+    QTAILQ_INIT(&request_list);
 
     posix_aio_state = s;