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block: Enable qemu_open/close to work with fd sets

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When qemu_open is passed a filename of the "/dev/fdset/nnn"
format (where nnn is the fdset ID), an fd with matching access
mode flags will be searched for within the specified monitor
fd set.  If the fd is found, a dup of the fd will be returned
from qemu_open.

Signed-off-by: Corey Bryant <coreyb@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Corey Bryant 2012-08-14 16:43:47 -04:00 • committed by Kevin Wolf
parent 2e1e79dae7
commit adb696f3d8
9 changed files with 251 additions and 5 deletions
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5
cutils.c
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@ -383,6 +383,11 @@ int qemu_parse_fd(const char *param)
return fd;
}
int qemu_parse_fdset(const char *param)
{
return qemu_parse_fd(param);
}
/* round down to the nearest power of 2*/
int64_t pow2floor(int64_t value)
{