| PR_MUNMAP(3PROC) | Process Control Library Functions | PR_MUNMAP(3PROC) |
pr_munmap — inject
munmap system call into victim process
Process Control Library (libproc, -lproc)
#include
<libproc.h>
int
pr_munmap(struct ps_prochandle
*P, void *addr, size_t
len);
The
pr_munmap()
function injects the munmap(2) system
call into the target process P by means of the agent
LWP. If the process handle P is the value
NULL then this will be equivalent to calling
munmap(2) on the currently running
process.
The arguments addr and len have the same meaning as in munmap(2). See munmap(2) for the full description and purpose of the munmap system call and its arguments.
The
pr_munmap()
function only works on active processes. Process handles that correspond to
core files, zombie processes, or ELF objects do not support system call
injection.
Upon successful completion, the
pr_munmap() function's return value is that
described in munmap(2). Otherwise,
-1 is returned
and
errno is
set to ENOSYS to indicate that the system call could
not be injected.
For the full list of errors see the ERRORS section in munmap(2).
The pr_munmap() function will fail if:
ENOSYSSee LOCKING in libproc(3LIB).
| November 27, 2023 | OmniOS |