test multiple threads all doing the initial call to an "extern Python"

function in parallel

1 files changed, 43 insertions, 0 deletions

diff --git a/testing/embedding/thread1-test.c b/testing/embedding/thread1-test.c
new file mode 100644
index 0000000..9cde9eb
--- /dev/null
+++ b/testing/embedding/thread1-test.c
@@ -0,0 +1,43 @@
+#include <stdio.h>
+#include <pthread.h>
+#include <semaphore.h>
+#include <assert.h>
+
+#define NTHREADS 10
+
+
+extern int add1(int, int);
+
+static sem_t done;
+
+
+static void *start_routine(void *arg)
+{
+    int x, y, status;
+    x = add1(40, 2);
+    assert(x == 42);
+
+    status = sem_post(&done);
+    assert(status == 0);
+
+    return arg;
+}
+
+int main(void)
+{
+    pthread_t th;
+    int i, status = sem_init(&done, 0, 0);
+    assert(status == 0);
+
+    printf("starting\n");
+    for (i = 0; i < NTHREADS; i++) {
+        status = pthread_create(&th, NULL, start_routine, NULL);
+        assert(status == 0);
+    }
+    for (i = 1; i <= NTHREADS; i++) {
+        status = sem_wait(&done);
+        assert(status == 0);
+    }
+    printf("done\n");
+    return 0;
+}