static struct pidset filter_out_forks(struct pidset in)
{
/*
* Discard any process whose parent is also in our remaining match
* set and looks sufficiently like it for us to decide this one's
* an uninteresting fork (e.g. of a shell script executing a
* complex pipeline).
*/
struct pidset ret;
int pid;
pidset_init(&ret);
for (pid = pidset_first(&in); pid >= 0; pid = pidset_next(&in)) {
const struct procdata *proc = get_proc(pid);
if (pidset_in(&in, proc->ppid)) {
/* The parent is in our set too. Is it similar? */
const struct procdata *parent = get_proc(proc->ppid);
if (!strnullcmp(parent->exe, proc->exe) &&
!argcmp(parent->argv, proc->argv)) {
/* Yes; don't list it. */
continue;
}
}
pidset_add(&ret, pid);
}
return ret;
}
static int vicmp(const char *name, int num, const vdp_instance_t *vi)
{
int val = strnullcmp(name, vi->name);
if (val)
return val;
if (num < 0)
num = XDefaultScreen(vi->display);
return num - vi->num;
}
