This commit adds an interceptor for the pthread_detach function, calling into ThreadRegistry::DetachThread, allowing for thread contexts to be reused. Without this change, programs may fail when they create more than 8K threads. Fixes: https://bugs.llvm.org/show_bug.cgi?id=47389 Reviewed By: vitalybuka Differential Revision: https://reviews.llvm.org/D88184
24 lines
561 B
C++
24 lines
561 B
C++
// Test that threads are reused.
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// RUN: %clangxx_lsan %s -o %t -lpthread && %run %t
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#include <pthread.h>
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#include <stdlib.h>
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// Number of threads to create. This value is greater than kMaxThreads in
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// lsan_thread.cpp so that we can test that thread contexts are not being
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// reused.
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static const size_t kTestThreads = 10000;
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void *null_func(void *args) {
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return NULL;
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}
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int main(void) {
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for (size_t i = 0; i < kTestThreads; i++) {
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pthread_t thread;
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pthread_create(&thread, NULL, null_func, NULL);
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pthread_detach(thread);
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}
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return 0;
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}
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