1 files changed, 77 insertions, 0 deletions
diff --git a/deps/jemalloc/test/unit/prof_gdump.c b/deps/jemalloc/test/unit/prof_gdump.c
new file mode 100644
index 0000000..46e4503
--- /dev/null
+++ b/deps/jemalloc/test/unit/prof_gdump.c
@@ -0,0 +1,77 @@
+#include "test/jemalloc_test.h"
+
+#include "jemalloc/internal/prof_sys.h"
+
+static bool did_prof_dump_open;
+
+static int
+prof_dump_open_file_intercept(const char *filename, int mode) {
+	int fd;
+
+	did_prof_dump_open = true;
+
+	fd = open("/dev/null", O_WRONLY);
+	assert_d_ne(fd, -1, "Unexpected open() failure");
+
+	return fd;
+}
+
+TEST_BEGIN(test_gdump) {
+	test_skip_if(opt_hpa);
+	bool active, gdump, gdump_old;
+	void *p, *q, *r, *s;
+	size_t sz;
+
+	test_skip_if(!config_prof);
+
+	active = true;
+	expect_d_eq(mallctl("prof.active", NULL, NULL, (void *)&active,
+	    sizeof(active)), 0,
+	    "Unexpected mallctl failure while activating profiling");
+
+	prof_dump_open_file = prof_dump_open_file_intercept;
+
+	did_prof_dump_open = false;
+	p = mallocx((1U << SC_LG_LARGE_MINCLASS), 0);
+	expect_ptr_not_null(p, "Unexpected mallocx() failure");
+	expect_true(did_prof_dump_open, "Expected a profile dump");
+
+	did_prof_dump_open = false;
+	q = mallocx((1U << SC_LG_LARGE_MINCLASS), 0);
+	expect_ptr_not_null(q, "Unexpected mallocx() failure");
+	expect_true(did_prof_dump_open, "Expected a profile dump");
+
+	gdump = false;
+	sz = sizeof(gdump_old);
+	expect_d_eq(mallctl("prof.gdump", (void *)&gdump_old, &sz,
+	    (void *)&gdump, sizeof(gdump)), 0,
+	    "Unexpected mallctl failure while disabling prof.gdump");
+	assert(gdump_old);
+	did_prof_dump_open = false;
+	r = mallocx((1U << SC_LG_LARGE_MINCLASS), 0);
+	expect_ptr_not_null(q, "Unexpected mallocx() failure");
+	expect_false(did_prof_dump_open, "Unexpected profile dump");
+
+	gdump = true;
+	sz = sizeof(gdump_old);
+	expect_d_eq(mallctl("prof.gdump", (void *)&gdump_old, &sz,
+	    (void *)&gdump, sizeof(gdump)), 0,
+	    "Unexpected mallctl failure while enabling prof.gdump");
+	assert(!gdump_old);
+	did_prof_dump_open = false;
+	s = mallocx((1U << SC_LG_LARGE_MINCLASS), 0);
+	expect_ptr_not_null(q, "Unexpected mallocx() failure");
+	expect_true(did_prof_dump_open, "Expected a profile dump");
+
+	dallocx(p, 0);
+	dallocx(q, 0);
+	dallocx(r, 0);
+	dallocx(s, 0);
+}
+TEST_END
+
+int
+main(void) {
+	return test_no_reentrancy(
+	    test_gdump);
+}