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pthread_barrier_test: Reduce sleep times and increase cycles.

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This test now reliably reproduces the deadlock reported in #15736.
This commit is contained in:
Augustin Cavalier
2023-06-06 15:25:23 -04:00
parent f61fb770f0
commit 63396c7d13
1 changed files with 7 additions and 6 deletions
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src/tests/system/libroot/posix/pthread_barrier_test.cpp
+7 -6
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@@ -2,9 +2,10 @@
#include <stdlib.h> #include <stdlib.h>
#include <unistd.h> #include <unistd.h>
#include <pthread.h> #include <pthread.h>
#include <OS.h>
#define THREAD_COUNT 10 #define THREAD_COUNT 10
#define CYCLES 2 #define CYCLES 20
pthread_barrier_t mybarrier; pthread_barrier_t mybarrier;
@@ -14,14 +15,14 @@ void* threadFn(void* id_ptr)
for (int i = 0; i < CYCLES; ++i) { for (int i = 0; i < CYCLES; ++i) {
int wait_sec = 1 + rand() % 10; int wait_sec = 1 + rand() % 10;
printf("thread %d: Wait %d seconds.\n", thread_id, wait_sec); fprintf(stderr, "thread %d: Wait %d microseconds.\n", thread_id, wait_sec * 100);
sleep(wait_sec); snooze(wait_sec * 100);
printf("thread %d: Waiting on barrier...\n", thread_id);
fprintf(stderr, "thread %d: Waiting on barrier...\n", thread_id);
int status = pthread_barrier_wait(&mybarrier); int status = pthread_barrier_wait(&mybarrier);
if (status == PTHREAD_BARRIER_SERIAL_THREAD) if (status == PTHREAD_BARRIER_SERIAL_THREAD)
printf("thread %d: serial thread.\n", thread_id); fprintf(stderr, "thread %d: serial thread.\n", thread_id);
printf("thread %d: Finished!\n", thread_id); fprintf(stderr, "thread %d: Finished!\n", thread_id);
} }
return NULL; return NULL;