54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
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/*
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* Copyright (C) 2022 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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#pragma once
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#if defined(__linux__)
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#include <signal.h>
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#include <sys/syscall.h>
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#include <unistd.h>
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#endif
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namespace android::mediautils {
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// The library wrapper for gettid is only available on bionic. If we don't link
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// against it, we syscall directly.
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inline pid_t getThreadIdWrapper() {
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#if defined(__BIONIC__)
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return ::gettid();
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#else
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return syscall(SYS_gettid);
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#endif
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}
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// Send an abort signal to a (linux) thread id.
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inline int abortTid(int tid) {
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#if defined(__linux__)
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const pid_t pid = getpid();
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siginfo_t siginfo = {
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.si_code = SI_QUEUE,
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.si_pid = pid,
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.si_uid = getuid(),
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};
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return syscall(SYS_rt_tgsigqueueinfo, pid, tid, SIGABRT, &siginfo);
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#else
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errno = ENODEV;
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return -1;
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#endif
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}
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}
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