Alexander Shabalin
58569f2eee
Merge-request: KT-MR-6918 Merged-by: Alexander Shabalin <Alexander.Shabalin@jetbrains.com>
34 lines
608 B
C++
34 lines
608 B
C++
#include "workerSignals.h"
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#include <cassert>
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#include <cstring>
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#include <pthread.h>
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#include <signal.h>
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namespace {
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int pendingValue = 0;
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thread_local int value = 0;
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void signalHandler(int signal) {
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value = pendingValue;
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}
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} // namespace
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extern "C" void setupSignalHandler(void) {
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signal(SIGUSR1, &signalHandler);
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}
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extern "C" void signalThread(uint64_t thread, int value) {
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pendingValue = value;
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pthread_t t = {};
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memcpy(&t, &thread, sizeof(pthread_t));
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auto result = pthread_kill(t, SIGUSR1);
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assert(result == 0);
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}
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extern "C" int getValue(void) {
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return value;
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}
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