static void do_background_socket(struct proc *p, thread_t thread, int priority);
static int do_background_thread(struct proc *curp, thread_t thread, int priority);
static int do_background_proc(struct proc *curp, struct proc *targetp, int priority);
-void proc_apply_task_networkbg_internal(proc_t);
+void proc_apply_task_networkbg_internal(proc_t, thread_t);
+void proc_restore_task_networkbg_internal(proc_t, thread_t);
rlim_t maxdmap = MAXDSIZ; /* XXX */
rlim_t maxsmap = MAXSSIZ - PAGE_SIZE; /* XXX */
}
case PRIO_DARWIN_THREAD: {
+ /* process marked for termination no priority management */
+ if ((curp->p_lflag & P_LPTERMINATE) != 0)
+ return(EINVAL);
/* we currently only support the current thread */
if (uap->who != 0) {
return (EINVAL);
refheld = 1;
}
- error = do_background_proc(curp, p, uap->prio);
- if (!error) {
- (void) do_background_socket(p, NULL, uap->prio);
- }
+ /* process marked for termination no priority management */
+ if ((p->p_lflag & P_LPTERMINATE) != 0) {
+ error = EINVAL;
+ } else {
+ error = do_background_proc(curp, p, uap->prio);
+ if (!error) {
+ (void) do_background_socket(p, NULL, uap->prio);
+ }
+ }
found++;
if (refheld != 0)
proc_rele(p);
int error = 0;
kauth_cred_t ucred;
kauth_cred_t target_cred;
-#if CONFIG_EMBEDDED
- task_category_policy_data_t info;
-#endif
ucred = kauth_cred_get();
target_cred = kauth_cred_proc_ref(targetp);
if (!kauth_cred_issuser(ucred) && kauth_cred_getruid(ucred) &&
- kauth_cred_getuid(ucred) != kauth_cred_getuid(target_cred) &&
- kauth_cred_getruid(ucred) != kauth_cred_getuid(target_cred))
+ kauth_cred_getuid(ucred) != kauth_cred_getuid(target_cred) &&
+ kauth_cred_getruid(ucred) != kauth_cred_getuid(target_cred))
{
error = EPERM;
goto out;
goto out;
#endif
-#if !CONFIG_EMBEDDED
if (priority == PRIO_DARWIN_NONUI)
error = proc_apply_task_gpuacc(targetp->task, TASK_POLICY_HWACCESS_GPU_ATTRIBUTE_NOACCESS);
else
- error = proc_set1_bgtaskpolicy(targetp->task, priority);
+ error = proc_set_and_apply_bgtaskpolicy(targetp->task, priority);
if (error)
goto out;
-#else /* !CONFIG_EMBEDDED */
-
- /* set the max scheduling priority on the task */
- if (priority == PRIO_DARWIN_BG) {
- info.role = TASK_THROTTLE_APPLICATION;
- }
- else if (priority == PRIO_DARWIN_NONUI) {
- info.role = TASK_NONUI_APPLICATION;
- }
- else {
- info.role = TASK_DEFAULT_APPLICATION;
- }
-
- error = task_policy_set(targetp->task,
- TASK_CATEGORY_POLICY,
- (task_policy_t) &info,
- TASK_CATEGORY_POLICY_COUNT);
-
- if (error)
- goto out;
-
- proc_lock(targetp);
-
- /* mark proc structure as backgrounded */
- if (priority == PRIO_DARWIN_BG) {
- targetp->p_lflag |= P_LBACKGROUND;
- } else {
- targetp->p_lflag &= ~P_LBACKGROUND;
- }
-
- /* set or reset the disk I/O priority */
- targetp->p_iopol_disk = (priority == PRIO_DARWIN_BG ?
- IOPOL_THROTTLE : IOPOL_DEFAULT);
-
- proc_unlock(targetp);
-#endif /* !CONFIG_EMBEDDED */
out:
kauth_cred_unref(&target_cred);
do_background_thread(struct proc *curp __unused, thread_t thread, int priority)
{
struct uthread *ut;
-#if !CONFIG_EMBEDDED
int error = 0;
-#else /* !CONFIG_EMBEDDED */
- thread_precedence_policy_data_t policy;
-#endif /* !CONFIG_EMBEDDED */
ut = get_bsdthread_info(thread);
return(EPERM);
}
-#if !CONFIG_EMBEDDED
- error = proc_set1_bgthreadpolicy(curp->task, thread_tid(thread), priority);
+ error = proc_set_and_apply_bgthreadpolicy(curp->task, thread_tid(thread), priority);
return(error);
-#else /* !CONFIG_EMBEDDED */
- if ( (priority & PRIO_DARWIN_BG) == 0 ) {
- /* turn off backgrounding of thread */
- if ( (ut->uu_flag & UT_BACKGROUND) == 0 ) {
- /* already off */
- return(0);
- }
-
- /*
- * Clear background bit in thread and disable disk IO
- * throttle as well as network traffic management.
- * The corresponding socket flags for sockets created by
- * this thread will be cleared in do_background_socket().
- */
- ut->uu_flag &= ~(UT_BACKGROUND | UT_BACKGROUND_TRAFFIC_MGT);
- ut->uu_iopol_disk = IOPOL_NORMAL;
-
- /* reset thread priority (we did not save previous value) */
- policy.importance = 0;
- thread_policy_set( thread, THREAD_PRECEDENCE_POLICY,
- (thread_policy_t)&policy,
- THREAD_PRECEDENCE_POLICY_COUNT );
- return(0);
- }
-
- /* background this thread */
- if ( (ut->uu_flag & UT_BACKGROUND) != 0 ) {
- /* already backgrounded */
- return(0);
- }
- /*
- * Tag thread as background and throttle disk IO, as well
- * as regulate network traffics. Future sockets created
- * by this thread will have their corresponding socket
- * flags set at socket create time.
- */
- ut->uu_flag |= (UT_BACKGROUND | UT_BACKGROUND_TRAFFIC_MGT);
- ut->uu_iopol_disk = IOPOL_THROTTLE;
-
- policy.importance = INT_MIN;
- thread_policy_set( thread, THREAD_PRECEDENCE_POLICY,
- (thread_policy_t)&policy,
- THREAD_PRECEDENCE_POLICY_COUNT );
-
- /* throttle networking IO happens in socket( ) syscall.
- * If UT_{BACKGROUND,BACKGROUND_TRAFFIC_MGT} is set in the current
- * thread then TRAFFIC_MGT_SO_{BACKGROUND,BG_REGULATE} is set.
- * Existing sockets are taken care of by do_background_socket().
- */
-#endif /* !CONFIG_EMBEDDED */
- return(0);
}
#if CONFIG_EMBEDDED
}
#endif /* CONFIG_EMBEDDED */
-#if CONFIG_EMBEDDED
-/*
- * If the thread or its proc has been put into the background
- * with setpriority(PRIO_DARWIN_{THREAD,PROCESS}, *, PRIO_DARWIN_BG),
- * report that status.
- *
- * Returns: PRIO_DARWIN_BG if background
- * 0 if foreground
- */
-int
-uthread_get_background_state(uthread_t uth)
-{
- proc_t p = uth->uu_proc;
- if (p && (p->p_lflag & P_LBACKGROUND))
- return PRIO_DARWIN_BG;
-
- if (uth->uu_flag & UT_BACKGROUND)
- return PRIO_DARWIN_BG;
-
- return 0;
-}
-#endif /* CONFIG_EMBEDDED */
-
/*
* Returns: 0 Success
* copyin:EFAULT
size = round_page_64(limp->rlim_cur);
size -= round_page_64(alimp->rlim_cur);
-#if STACK_GROWTH_UP
- /* go to top of current stack */
- addr = p->user_stack + round_page_64(alimp->rlim_cur);
-#else /* STACK_GROWTH_UP */
addr = p->user_stack - round_page_64(limp->rlim_cur);
-#endif /* STACK_GROWTH_UP */
kr = mach_vm_protect(current_map(),
addr, size,
FALSE, VM_PROT_DEFAULT);
*/
cur_sp = thread_adjuserstack(current_thread(),
0);
-#if STACK_GROWTH_UP
- if (cur_sp >= p->user_stack &&
- cur_sp < (p->user_stack +
- round_page_64(alimp->rlim_cur))) {
- /* current stack pointer is in main stack */
- if (cur_sp >= (p->user_stack +
- round_page_64(limp->rlim_cur))) {
- /*
- * New limit would cause
- * current usage to be invalid:
- * reject new limit.
- */
- error = EINVAL;
- goto out;
- }
- } else {
- /* not on the main stack: reject */
- error = EINVAL;
- goto out;
- }
-
-#else /* STACK_GROWTH_UP */
if (cur_sp <= p->user_stack &&
cur_sp > (p->user_stack -
round_page_64(alimp->rlim_cur))) {
error = EINVAL;
goto out;
}
-#endif /* STACK_GROWTH_UP */
size = round_page_64(alimp->rlim_cur);
size -= round_page_64(limp->rlim_cur);
-#if STACK_GROWTH_UP
- addr = p->user_stack + round_page_64(limp->rlim_cur);
-#else /* STACK_GROWTH_UP */
addr = p->user_stack - round_page_64(alimp->rlim_cur);
-#endif /* STACK_GROWTH_UP */
kr = mach_vm_protect(current_map(),
addr, size,
task = p->task;
if (task) {
- task_basic_info_32_data_t tinfo;
+ mach_task_basic_info_data_t tinfo;
task_thread_times_info_data_t ttimesinfo;
task_events_info_data_t teventsinfo;
mach_msg_type_number_t task_info_count, task_ttimes_count;
mach_msg_type_number_t task_events_count;
struct timeval ut,st;
- task_info_count = TASK_BASIC_INFO_32_COUNT;
- task_info(task, TASK_BASIC2_INFO_32,
+ task_info_count = MACH_TASK_BASIC_INFO_COUNT;
+ task_info(task, MACH_TASK_BASIC_INFO,
(task_info_t)&tinfo, &task_info_count);
ut.tv_sec = tinfo.user_time.seconds;
ut.tv_usec = tinfo.user_time.microseconds;
if (p->p_stats->p_ru.ru_nivcsw < 0)
p->p_stats->p_ru.ru_nivcsw = 0;
- p->p_stats->p_ru.ru_maxrss = tinfo.resident_size;
+ p->p_stats->p_ru.ru_maxrss = tinfo.resident_size_max;
}
}
{
int error = 0;
struct _iopol_param_t iop_param;
-#if !CONFIG_EMBEDDED
int processwide = 0;
-#else /* !CONFIG_EMBEDDED */
- thread_t thread = THREAD_NULL;
- struct uthread *ut = NULL;
- int *policy;
-#endif /* !CONFIG_EMBEDDED */
if ((error = copyin(uap->arg, &iop_param, sizeof(iop_param))) != 0)
goto out;
goto out;
}
-#if !CONFIG_EMBEDDED
switch (iop_param.iop_scope) {
case IOPOL_SCOPE_PROCESS:
processwide = 1;
case IOPOL_NORMAL:
case IOPOL_THROTTLE:
case IOPOL_PASSIVE:
+ case IOPOL_UTILITY:
if(processwide != 0)
proc_apply_task_diskacc(current_task(), iop_param.iop_policy);
else
break;
}
-#else /* !CONFIG_EMBEDDED */
- switch (iop_param.iop_scope) {
- case IOPOL_SCOPE_PROCESS:
- policy = &p->p_iopol_disk;
- break;
- case IOPOL_SCOPE_THREAD:
- thread = current_thread();
- ut = get_bsdthread_info(thread);
- policy = &ut->uu_iopol_disk;
- break;
- default:
- error = EINVAL;
- goto out;
- }
-
- switch(uap->cmd) {
- case IOPOL_CMD_SET:
- switch (iop_param.iop_policy) {
- case IOPOL_DEFAULT:
- case IOPOL_NORMAL:
- case IOPOL_THROTTLE:
- case IOPOL_PASSIVE:
- proc_lock(p);
- *policy = iop_param.iop_policy;
- proc_unlock(p);
- break;
- default:
- error = EINVAL;
- goto out;
- }
- break;
- case IOPOL_CMD_GET:
- switch (*policy) {
- case IOPOL_DEFAULT:
- case IOPOL_NORMAL:
- case IOPOL_THROTTLE:
- case IOPOL_PASSIVE:
- iop_param.iop_policy = *policy;
- break;
- default: // in-kernel
- // this should never happen
- printf("%s: unknown I/O policy %d\n", __func__, *policy);
- // restore to default value
- *policy = IOPOL_DEFAULT;
- iop_param.iop_policy = *policy;
- }
-
- error = copyout((caddr_t)&iop_param, uap->arg, sizeof(iop_param));
- break;
- default:
- error = EINVAL; // unknown command
- break;
- }
-
-#endif /* !CONFIG_EMBEDDED */
out:
*retval = error;
return (error);
boolean_t
thread_is_io_throttled(void)
{
-
-#if !CONFIG_EMBEDDED
-
return(proc_get_task_selfdiskacc() == IOPOL_THROTTLE);
-
-#else /* !CONFIG_EMBEDDED */
- int policy;
- struct uthread *ut;
-
- ut = get_bsdthread_info(current_thread());
-
- if(ut){
- policy = current_proc()->p_iopol_disk;
-
- if (ut->uu_iopol_disk != IOPOL_DEFAULT)
- policy = ut->uu_iopol_disk;
-
- if (policy == IOPOL_THROTTLE)
- return TRUE;
- }
- return FALSE;
-#endif /* !CONFIG_EMBEDDED */
}
void
}
void
-proc_apply_task_networkbg_internal(proc_t p)
+proc_apply_task_networkbg_internal(proc_t p, thread_t thread)
{
if (p != PROC_NULL) {
- do_background_socket(p, NULL, PRIO_DARWIN_BG);
+ do_background_socket(p, thread, PRIO_DARWIN_BG);
+ }
+}
+void
+proc_restore_task_networkbg_internal(proc_t p, thread_t thread)
+{
+ if (p != PROC_NULL) {
+ do_background_socket(p, thread, PRIO_DARWIN_BG);
}
}
projects / apple / xnu.git / blobdiff