mirror of https://gitee.com/openkylin/qemu.git
documentation: qemu_write_full don't work with non-blocking fd's
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
parent
3e7896dec4
commit
1298cb6804
5
osdep.c
5
osdep.c
|
@ -261,6 +261,11 @@ int qemu_open(const char *name, int flags, ...)
|
|||
*
|
||||
* Return the number of bytes transferred.
|
||||
* Set errno if fewer than `count' bytes are written.
|
||||
*
|
||||
* This function don't work with non-blocking fd's.
|
||||
* Any of the possibilities with non-bloking fd's is bad:
|
||||
* - return a short write (then name is wrong)
|
||||
* - busy wait adding (errno == EAGAIN) to the loop
|
||||
*/
|
||||
ssize_t qemu_write_full(int fd, const void *buf, size_t count)
|
||||
{
|
||||
|
|
Loading…
Reference in New Issue