| PR_UNLINK(3PROC) | Process Control Library Functions | PR_UNLINK(3PROC) |
pr_unlink — inject
unlink system call into victim process
Process Control Library (libproc, -lproc)
#include
<libproc.h>
int
pr_unlink(struct ps_prochandle
*P, const char *path);
The
pr_unlink()
function injects the unlink(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
unlink(2) on the currently running
process.
The argument path has the same meaning as in unlink(2). See unlink(2) for the full description and purpose of the unlink system call and its arguments.
The
pr_unlink()
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_unlink() function's return value is that
described in unlink(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 unlink(2).
The pr_unlink() function will fail if:
ENOSYSSee LOCKING in libproc(3LIB).
| November 27, 2023 | OmniOS |