From 6af6eb521c0f1b79a90c6f60409dab3e89d52d03 Mon Sep 17 00:00:00 2001
From: Mateusz Guzik <mjguzik@gmail.com>
Date: Fri, 26 Aug 2022 14:28:56 +0000
Subject: [PATCH] Add threadspawn

Benchmarks parallel thread creation & destruction within one process or
within the system in general (when ran as _processes variant).
---
 Makefile             |  1 +
 tests/threadspawn1.c | 23 +++++++++++++++++++++++
 2 files changed, 24 insertions(+)
 create mode 100644 tests/threadspawn1.c

diff --git a/Makefile b/Makefile
index 8dd0717..ce4e1a6 100644
--- a/Makefile
+++ b/Makefile
@@ -11,6 +11,7 @@ processes: $(processes)
 threads: $(threads)
 
 posix_semaphore1_processes_FLAGS+=-lpthread
+threadspawn1_processes_FLAGS+=-lpthread
 
 $(processes): %_processes: tests/%.o main.c
 	$(CC) $(CFLAGS) main.c $< $($@_FLAGS) $(LDFLAGS) -o $@
diff --git a/tests/threadspawn1.c b/tests/threadspawn1.c
new file mode 100644
index 0000000..a7f6e8c
--- /dev/null
+++ b/tests/threadspawn1.c
@@ -0,0 +1,23 @@
+#include <assert.h>
+#include <pthread.h>
+
+char *testcase_description = "Thread creation and teardown";
+
+static void *worker(void *arg)
+{
+	return (NULL);
+}
+
+void testcase(unsigned long long *iterations, unsigned long nr)
+{
+	pthread_t thread;
+	int error;
+
+	while (1) {
+		error = pthread_create(&thread, NULL, worker, NULL);
+		assert(error == 0);
+		error = pthread_join(thread, NULL);
+		assert(error == 0);
+		(*iterations)++;
+	}
+}