vm_page_sleep_busy
- wait for a busy page to become unbusy
SYNOPSIS
#include <sys/param.h>
#include <vm/vm.h>
#include <vm/vm_page.h> int
vm_page_sleep_busy (vm_page_t m int also_m_busy const char *wmesg);
DESCRIPTION
The
vm_page_sleep_busy ();
function waits until the
PG_BUSY
flag is cleared.
If
Fa also_m_busy
is non-zero, it also waits for
Fa m->busy
to become zero.
RETURN VALUES
If
vm_page_sleep_busy ();
finds the page busy it returns
TRUE
If not, it returns
FALSE
Returning
TRUE
does not necessary mean that
vm_page_sleep_busy ();
slept, but only that
splvm ();
was called.
AUTHORS
This manual page was written by
An Chad David Aq davidc@acns.ab.ca .
