1/*
2**
3** Copyright 2008, The Android Open Source Project
4**
5** Licensed under the Apache License, Version 2.0 (the "License");
6** you may not use this file except in compliance with the License.
7** You may obtain a copy of the License at
8**
9**     http://www.apache.org/licenses/LICENSE-2.0
10**
11** Unless required by applicable law or agreed to in writing, software
12** distributed under the License is distributed on an "AS IS" BASIS,
13** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14** See the License for the specific language governing permissions and
15** limitations under the License.
16*/
17
18#include <fcntl.h>
19#include <sys/prctl.h>
20#include <sys/wait.h>
21#include <binder/IPCThreadState.h>
22#include <binder/ProcessState.h>
23#include <binder/IServiceManager.h>
24
25#include <string>
26
27#include <android-base/logging.h>
28#include <utils/misc.h>
29
30// from LOCAL_C_INCLUDES
31#include "IcuUtils.h"
32#include "MediaExtractorService.h"
33#include "MediaUtils.h"
34#include "minijail.h"
35
36using namespace android;
37
38static const char kSystemSeccompPolicyPath[] =
39        "/system/etc/seccomp_policy/mediaextractor.policy";
40static const char kVendorSeccompPolicyPath[] =
41        "/vendor/etc/seccomp_policy/mediaextractor.policy";
42
43int main(int argc __unused, char** argv)
44{
45    limitProcessMemory(
46        "ro.media.maxmem", /* property that defines limit */
47        SIZE_MAX, /* upper limit in bytes */
48        20 /* upper limit as percentage of physical RAM */);
49
50    signal(SIGPIPE, SIG_IGN);
51
52    //b/62255959: this forces libutis.so to dlopen vendor version of libutils.so
53    //before minijail is on. This is dirty but required since some syscalls such
54    //as pread64 are used by linker but aren't allowed in the minijail. By
55    //calling the function before entering minijail, we can force dlopen.
56    android::report_sysprop_change();
57
58    SetUpMinijail(kSystemSeccompPolicyPath, kVendorSeccompPolicyPath);
59
60    InitializeIcuOrDie();
61
62    strcpy(argv[0], "media.extractor");
63    sp<ProcessState> proc(ProcessState::self());
64    sp<IServiceManager> sm = defaultServiceManager();
65    MediaExtractorService::instantiate();
66    ProcessState::self()->startThreadPool();
67    IPCThreadState::self()->joinThreadPool();
68}
69