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73 lines
2.4 KiB
73 lines
2.4 KiB
/*
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**
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** Copyright 2008, The Android Open Source Project
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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#include <fcntl.h>
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#include <sys/prctl.h>
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#include <sys/wait.h>
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#include <binder/IPCThreadState.h>
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#include <binder/ProcessState.h>
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#include <binder/IServiceManager.h>
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#include <mediautils/LimitProcessMemory.h>
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#include <string>
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#include <android-base/logging.h>
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#include <android-base/properties.h>
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#include <utils/misc.h>
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#include <bionic/reserved_signals.h>
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// from LOCAL_C_INCLUDES
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#include "MediaExtractorService.h"
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#include "minijail.h"
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using namespace android;
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static const char kSystemSeccompPolicyPath[] =
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"/apex/com.android.media/etc/seccomp_policy/mediaextractor.policy";
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static const char kVendorSeccompPolicyPath[] =
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"/vendor/etc/seccomp_policy/mediaextractor.policy";
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int main(int argc __unused, char** argv)
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{
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limitProcessMemory(
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"ro.media.maxmem", /* property that defines limit */
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SIZE_MAX, /* upper limit in bytes */
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20 /* upper limit as percentage of physical RAM */);
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signal(SIGPIPE, SIG_IGN);
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// Do not assist platform profilers (relevant only on debug builds).
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// Otherwise, the signal handler can violate the seccomp policy.
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signal(BIONIC_SIGNAL_PROFILER, SIG_IGN);
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//b/62255959: this forces libutis.so to dlopen vendor version of libutils.so
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//before minijail is on. This is dirty but required since some syscalls such
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//as pread64 are used by linker but aren't allowed in the minijail. By
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//calling the function before entering minijail, we can force dlopen.
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android::report_sysprop_change();
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SetUpMinijail(kSystemSeccompPolicyPath, kVendorSeccompPolicyPath);
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strcpy(argv[0], "media.extractor");
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sp<ProcessState> proc(ProcessState::self());
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sp<IServiceManager> sm = defaultServiceManager();
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MediaExtractorService::instantiate();
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ProcessState::self()->startThreadPool();
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IPCThreadState::self()->joinThreadPool();
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}
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