| 1 | // This test verifies the correct handling of child thread exits. |
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| 2 | |
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| 3 | #include "pseudo_barrier.h" |
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| 4 | #include <thread> |
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| 5 | #include <csignal> |
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| 6 | |
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| 7 | pseudo_barrier_t g_barrier1; |
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| 8 | pseudo_barrier_t g_barrier2; |
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| 9 | |
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| 10 | void * |
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| 11 | thread1 () |
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| 12 | { |
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| 13 | // Synchronize with the main thread. |
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| 14 | pseudo_barrier_wait(g_barrier1); |
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| 15 | |
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| 16 | // Synchronize with the main thread and thread2. |
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| 17 | pseudo_barrier_wait(g_barrier2); |
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| 18 | |
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| 19 | // Return |
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| 20 | return NULL; |
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| 21 | } |
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| 22 | |
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| 23 | void * |
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| 24 | thread2 () |
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| 25 | { |
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| 26 | |
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| 27 | // Synchronize with thread1 and the main thread. |
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| 28 | pseudo_barrier_wait(g_barrier2); // Should not reach here. |
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| 29 | |
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| 30 | // Return |
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| 31 | return NULL; |
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| 32 | } |
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| 33 | |
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| 34 | int main () |
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| 35 | { |
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| 36 | |
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| 37 | pseudo_barrier_init(g_barrier1, 2); |
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| 38 | pseudo_barrier_init(g_barrier2, 3); |
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| 39 | |
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| 40 | // Create a thread. |
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| 41 | std::thread thread_1(thread1); |
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| 42 | |
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| 43 | // Wait for thread1 to start. |
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| 44 | pseudo_barrier_wait(g_barrier1); |
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| 45 | |
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| 46 | // Wait for thread1 to start. |
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| 47 | std::thread thread_2(thread2); |
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| 48 | |
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| 49 | // Thread 2 is waiting for another thread to reach the barrier. |
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| 50 | // This should have for ever. (So we can run gcore against this process.) |
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| 51 | thread_2.join(); |
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| 52 | |
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| 53 | return 0; |
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| 54 | } |
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| 55 | |
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