static void aio_read_worker(FAR void *arg)
{
FAR struct aio_container_s *aioc = (FAR struct aio_container_s *)arg;
FAR struct aiocb *aiocbp;
pid_t pid;
#ifdef CONFIG_PRIORITY_INHERITANCE
uint8_t prio;
#endif
ssize_t nread = 0;
/* Get the information from the container, decant the AIO control block,
* and free the container before starting any I/O. That will minimize
* the delays by any other threads waiting for a pre-allocated container.
*/
DEBUGASSERT(aioc && aioc->aioc_aiocbp);
pid = aioc->aioc_pid;
#ifdef CONFIG_PRIORITY_INHERITANCE
prio = aioc->aioc_prio;
#endif
aiocbp = aioc_decant(aioc);
#ifdef AIO_HAVE_FILEP
{
/* Perform the file read using:
*
* u.aioc_filep - File structure pointer
* aio_buf - Location of buffer
* aio_nbytes - Length of transfer
* aio_offset - File offset
*/
nread = file_pread(aioc->u.aioc_filep, (FAR void *)aiocbp->aio_buf, aiocbp->aio_nbytes, aiocbp->aio_offset);
}
#endif
/* Set the result of the read */
if (nread < 0) {
int errcode = get_errno();
fdbg("ERROR: pread failed: %d\n", errcode);
DEBUGASSERT(errcode > 0);
aiocbp->aio_result = -errcode;
} else {
aiocbp->aio_result = nread;
}
/* Signal the client */
(void)aio_signal(pid, aiocbp);
#ifdef CONFIG_PRIORITY_INHERITANCE
/* Restore the low priority worker thread default priority */
lpwork_restorepriority(prio);
#endif
}
static void aio_fsync_worker(FAR void *arg)
{
FAR struct aio_container_s *aioc = (FAR struct aio_container_s *)arg;
FAR struct aiocb *aiocbp;
pid_t pid;
#ifdef CONFIG_PRIORITY_INHERITANCE
uint8_t prio;
#endif
int ret;
/* Get the information from the container, decant the AIO control block,
* and free the container before starting any I/O. That will minimize
* the delays by any other threads waiting for a pre-allocated container.
*/
DEBUGASSERT(aioc && aioc->aioc_aiocbp);
pid = aioc->aioc_pid;
#ifdef CONFIG_PRIORITY_INHERITANCE
prio = aioc->aioc_prio;
#endif
aiocbp = aioc_decant(aioc);
/* Perform the fsync using u.aioc_filep */
ret = file_fsync(aioc->u.aioc_filep);
if (ret < 0)
{
int errcode = get_errno();
ferr("ERROR: fsync failed: %d\n", errcode);
DEBUGASSERT(errcode > 0);
aiocbp->aio_result = -errcode;
}
else
{
aiocbp->aio_result = OK;
}
/* Signal the client */
(void)aio_signal(pid, aiocbp);
#ifdef CONFIG_PRIORITY_INHERITANCE
/* Restore the low priority worker thread default priority */
lpwork_restorepriority(prio);
#endif
}
static void aio_write_worker(FAR void *arg)
{
FAR struct aio_container_s *aioc = (FAR struct aio_container_s *)arg;
FAR struct aiocb *aiocbp;
pid_t pid;
#ifdef CONFIG_PRIORITY_INHERITANCE
uint8_t prio;
#endif
ssize_t nwritten = 0;
#ifdef AIO_HAVE_FILEP
int oflags;
#endif
/* Get the information from the container, decant the AIO control block,
* and free the container before starting any I/O. That will minimize
* the delays by any other threads waiting for a pre-allocated container.
*/
DEBUGASSERT(aioc && aioc->aioc_aiocbp);
pid = aioc->aioc_pid;
#ifdef CONFIG_PRIORITY_INHERITANCE
prio = aioc->aioc_prio;
#endif
aiocbp = aioc_decant(aioc);
#if defined(AIO_HAVE_FILEP) && defined(AIO_HAVE_PSOCK)
if (aiocbp->aio_fildes < CONFIG_NFILE_DESCRIPTORS)
#endif
#ifdef AIO_HAVE_FILEP
{
/* Call fcntl(F_GETFL) to get the file open mode. */
oflags = file_fcntl(aioc->u.aioc_filep, F_GETFL);
if (oflags < 0)
{
int errcode = get_errno();
fdbg("ERROR: fcntl failed: %d\n", errcode);
aiocbp->aio_result = -errcode;
goto errout;
}
/* Perform the write using:
*
* u.aioc_filep - File structure pointer
* aio_buf - Location of buffer
* aio_nbytes - Length of transfer
* aio_offset - File offset
*/
/* Check if O_APPEND is set in the file open flags */
if ((oflags & O_APPEND) != 0)
{
/* Append to the current file position */
nwritten = file_write(aioc->u.aioc_filep,
(FAR const void *)aiocbp->aio_buf,
aiocbp->aio_nbytes);
}
else
{
nwritten = file_pwrite(aioc->u.aioc_filep,
(FAR const void *)aiocbp->aio_buf,
aiocbp->aio_nbytes,
aiocbp->aio_offset);
}
}
#endif
#if defined(AIO_HAVE_FILEP) && defined(AIO_HAVE_PSOCK)
else
#endif
#ifdef AIO_HAVE_PSOCK
{
/* Perform the send using:
*
* u.aioc_psock - Socket structure pointer
* aio_buf - Location of buffer
* aio_nbytes - Length of transfer
*/
nwritten = psock_send(aioc->u.aioc_psock,
(FAR const void *)aiocbp->aio_buf,
aiocbp->aio_nbytes, 0);
}
#endif
/* Check the result of the write */
if (nwritten < 0)
{
int errcode = get_errno();
fdbg("ERROR: write/pwrite failed: %d\n", errcode);
DEBUGASSERT(errcode > 0);
aiocbp->aio_result = -errcode;
}
else
{
aiocbp->aio_result = nwritten;
}
#ifdef AIO_HAVE_FILEP
errout:
#endif
/* Signal the client */
(void)aio_signal(pid, aiocbp);
#ifdef CONFIG_PRIORITY_INHERITANCE
/* Restore the low priority worker thread default priority */
lpwork_restorepriority(prio);
#endif
}