Add the thread.arena mallctl.

Make it possible for each thread to manage which arena it is associated
with.

Implement the 'tests' and 'check' build targets.

2 files changed, 71 insertions, 0 deletions

diff --git a/jemalloc/test/thread_arena.c b/jemalloc/test/thread_arena.c
new file mode 100644
index 0000000..99e9669
--- /dev/null
+++ b/jemalloc/test/thread_arena.c
@@ -0,0 +1,69 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <pthread.h>
+#include <string.h>
+
+#include "jemalloc/jemalloc.h"
+
+void *
+thread_start(void *arg)
+{
+	unsigned main_arena_ind = *(unsigned *)arg;
+	unsigned arena_ind;
+	size_t size;
+	int err;
+
+	malloc(1);
+
+	size = sizeof(arena_ind);
+	if ((err = mallctl("thread.arena", &arena_ind, &size,
+	    &main_arena_ind, sizeof(main_arena_ind)))) {
+		fprintf(stderr, "%s(): Error in mallctl(): %s\n", __func__,
+		    strerror(err));
+		return (void *)1;
+	}
+
+	return (NULL);
+}
+
+int
+main(void)
+{
+	int ret = 0;
+	unsigned arena_ind;
+	size_t size;
+	int err;
+	pthread_t thread;
+
+	fprintf(stderr, "Test begin\n");
+
+	malloc(1);
+
+	size = sizeof(arena_ind);
+	if ((err = mallctl("thread.arena", &arena_ind, &size, NULL, 0))) {
+		fprintf(stderr, "%s(): Error in mallctl(): %s\n", __func__,
+		    strerror(err));
+		ret = 1;
+		goto RETURN;
+	}
+
+	if (pthread_create(&thread, NULL, thread_start, (void *)&arena_ind)
+	    != 0) {
+		fprintf(stderr, "%s(): Error in pthread_create()\n", __func__);
+		ret = 1;
+		goto RETURN;
+	}
+	pthread_join(thread, (void *)&ret);
+
+	if (pthread_create(&thread, NULL, thread_start, (void *)&arena_ind)
+	    != 0) {
+		fprintf(stderr, "%s(): Error in pthread_create()\n", __func__);
+		ret = 1;
+		goto RETURN;
+	}
+	pthread_join(thread, (void *)&ret);
+
+RETURN:
+	fprintf(stderr, "Test end\n");
+	return (ret);
+}
diff --git a/jemalloc/test/thread_arena.exp b/jemalloc/test/thread_arena.exp
new file mode 100644
index 0000000..369a88d
--- /dev/null
+++ b/jemalloc/test/thread_arena.exp
@@ -0,0 +1,2 @@
+Test begin
+Test end