tests/pthread/test_pthread_printf.cpp

#include <stdio.h>
#include <stdlib.h>
#include <pthread.h>
#include <emscripten.h>
#include <emscripten/threading.h>
#include <errno.h>
#include <assert.h>

void *ThreadMain(void *arg)
{
	printf("Hello from thread, string: %s, int: %d, double: %g\n", "str", 5, 42.0);
	return 0;
}

int main()
{
	pthread_t thread;
	int rc = pthread_create(&thread, NULL, ThreadMain, 0);
	if (emscripten_has_threading_support()) {
		assert(rc == 0);

		rc = pthread_join(thread, NULL);
		assert(rc == 0);

		printf("The thread should print 'Hello from thread, string: str, int: 5, double: 42.0'\n");
	} else {
		assert(rc == EAGAIN);
	}

#ifdef REPORT_RESULT
	REPORT_RESULT(0);
#endif
}