NAME
cr_isaddr — validate whether physical page number was dumped
SYNOPSIS
#include <libcrash.h>
int cr_isaddr(CRASH *crash_cb, uint64_t pagenum, int *avail);
DESCRIPTION
The
cr_isaddr()
checks to see if the specified page number,
pagenum,
is present in the open crash dump represented by
crash_cb.
It sets the Boolean to which
avail
points to indicate the presence (1) or absence (0) of the page.
RETURN VALUE
Returns zero for success. Other possible return values are described in
libcrash(5).
EXAMPLES
Assuming a process opened a crash dump, the following call to
cr_isaddr(3)
tests for the availability of page 256:
#include <libcrash.h>
CRASH cr_cb;
int avail;
int retval = cr_isaddr(&cr_cb, (uint64_t)256, &avail);
if (retval >= 0 && avail > 0) {
/* Read and process page 256 */
} /* Else ignore pages that are not available */
AUTHOR
cr_isaddr()
was developed by HP.
