#include <kern/task.h>
#include <sys/user.h>
-int chudxnu_pid_for_task(task_t task);
-task_t chudxnu_task_for_pid(int pid);
int chudxnu_current_pid(void);
-__private_extern__ int
-chudxnu_pid_for_task(task_t task)
-{
- proc_t p;
- int pid = -1;
-
- if(task!=TASK_NULL) {
- p = (proc_t)(get_bsdtask_info(task));
- if(p) {
- return (proc_pid(p));
- }
- }
- return pid;
-}
-
-__private_extern__ task_t
-chudxnu_task_for_pid(int pid)
-{
- task_t t = TASK_NULL;
- proc_t p = proc_find(pid);
- if(p) {
- t = p->task;
- proc_rele(p);
- }
- return (t);
-}
-
-__private_extern__ int
-chudxnu_current_pid(void)
-{
- int pid = -1;
- struct uthread *ut = get_bsdthread_info(current_thread());
- task_t t = current_task();
-
- if(t != TASK_NULL) {
- pid = chudxnu_pid_for_task(t);
- }
- if(-1 == pid) {
- // no task, so try looking in the uthread and/or proc
- pid = proc_pid(current_proc());
-
- if(-1 == pid && ut && ut->uu_proc) {
- pid = proc_pid(ut->uu_proc);
- }
- }
-
- return pid;
-}