blob: 0f67f756474b4771df2d95a63983373d5c7eac18 [file] [log] [blame]
// Copyright 2018 The Fuchsia Authors
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file or at
#include <inttypes.h>
#include <lib/counters.h>
#include <lib/ktrace.h>
#include <zircon/errors.h>
#include <zircon/types.h>
#include <fbl/ref_ptr.h>
#include <object/handle.h>
#include <object/job_dispatcher.h>
#include <object/profile_dispatcher.h>
#include "priv.h"
KCOUNTER(profile_create, "profile.create")
KCOUNTER(profile_set, "profile.set")
// zx_status_t zx_profile_create
zx_status_t sys_profile_create(zx_handle_t root_job, uint32_t options,
user_in_ptr<const zx_profile_info_t> user_profile_info,
user_out_handle* out) {
auto up = ProcessDispatcher::GetCurrent();
zx_status_t status = up->EnforceBasicPolicy(ZX_POL_NEW_PROFILE);
if (status != ZX_OK) {
return status;
if (options != 0u) {
fbl::RefPtr<JobDispatcher> job;
status = up->handle_table().GetDispatcherWithRights(root_job, ZX_RIGHT_MANAGE_PROCESS, &job);
if (status != ZX_OK) {
return status;
if (job != GetRootJobDispatcher()) {
// TODO(cpu): consider a better error code.
zx_profile_info_t profile_info;
status = user_profile_info.copy_from_user(&profile_info);
if (status != ZX_OK) {
return status;
KernelHandle<ProfileDispatcher> handle;
zx_rights_t rights;
status = ProfileDispatcher::Create(profile_info, &handle, &rights);
if (status != ZX_OK) {
return status;
kcounter_add(profile_create, 1);
return out->make(ktl::move(handle), rights);
// zx_status_t zx_object_set_profile
zx_status_t sys_object_set_profile(zx_handle_t handle, zx_handle_t profile_handle,
uint32_t options) {
auto up = ProcessDispatcher::GetCurrent();
// TODO(cpu): support more than thread objects, and actually do something.
fbl::RefPtr<ThreadDispatcher> thread;
auto status = up->handle_table().GetDispatcherWithRights(handle, ZX_RIGHT_MANAGE_THREAD, &thread);
if (status != ZX_OK)
return status;
fbl::RefPtr<ProfileDispatcher> profile;
zx_status_t result =
up->handle_table().GetDispatcherWithRights(profile_handle, ZX_RIGHT_APPLY_PROFILE, &profile);
if (result != ZX_OK)
return result;
kcounter_add(profile_set, 1);
return profile->ApplyProfile(ktl::move(thread));