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Diffstat (limited to 'src/rt/jemalloc/test/aligned_alloc.c')
-rw-r--r--src/rt/jemalloc/test/aligned_alloc.c119
1 files changed, 119 insertions, 0 deletions
diff --git a/src/rt/jemalloc/test/aligned_alloc.c b/src/rt/jemalloc/test/aligned_alloc.c
new file mode 100644
index 00000000000..5a9b0caea78
--- /dev/null
+++ b/src/rt/jemalloc/test/aligned_alloc.c
@@ -0,0 +1,119 @@
+#define	JEMALLOC_MANGLE
+#include "jemalloc_test.h"
+
+#define CHUNK 0x400000
+/* #define MAXALIGN ((size_t)UINT64_C(0x80000000000)) */
+#define MAXALIGN ((size_t)0x2000000LU)
+#define NITER 4
+
+int
+main(void)
+{
+	size_t alignment, size, total;
+	unsigned i;
+	void *p, *ps[NITER];
+
+	malloc_printf("Test begin\n");
+
+	/* Test error conditions. */
+	alignment = 0;
+	set_errno(0);
+	p = aligned_alloc(alignment, 1);
+	if (p != NULL || get_errno() != EINVAL) {
+		malloc_printf(
+		    "Expected error for invalid alignment %zu\n", alignment);
+	}
+
+	for (alignment = sizeof(size_t); alignment < MAXALIGN;
+	    alignment <<= 1) {
+		set_errno(0);
+		p = aligned_alloc(alignment + 1, 1);
+		if (p != NULL || get_errno() != EINVAL) {
+			malloc_printf(
+			    "Expected error for invalid alignment %zu\n",
+			    alignment + 1);
+		}
+	}
+
+#if LG_SIZEOF_PTR == 3
+	alignment = UINT64_C(0x8000000000000000);
+	size      = UINT64_C(0x8000000000000000);
+#else
+	alignment = 0x80000000LU;
+	size      = 0x80000000LU;
+#endif
+	set_errno(0);
+	p = aligned_alloc(alignment, size);
+	if (p != NULL || get_errno() != ENOMEM) {
+		malloc_printf(
+		    "Expected error for aligned_alloc(%zu, %zu)\n",
+		    alignment, size);
+	}
+
+#if LG_SIZEOF_PTR == 3
+	alignment = UINT64_C(0x4000000000000000);
+	size      = UINT64_C(0x8400000000000001);
+#else
+	alignment = 0x40000000LU;
+	size      = 0x84000001LU;
+#endif
+	set_errno(0);
+	p = aligned_alloc(alignment, size);
+	if (p != NULL || get_errno() != ENOMEM) {
+		malloc_printf(
+		    "Expected error for aligned_alloc(%zu, %zu)\n",
+		    alignment, size);
+	}
+
+	alignment = 0x10LU;
+#if LG_SIZEOF_PTR == 3
+	size = UINT64_C(0xfffffffffffffff0);
+#else
+	size = 0xfffffff0LU;
+#endif
+	set_errno(0);
+	p = aligned_alloc(alignment, size);
+	if (p != NULL || get_errno() != ENOMEM) {
+		malloc_printf(
+		    "Expected error for aligned_alloc(&p, %zu, %zu)\n",
+		    alignment, size);
+	}
+
+	for (i = 0; i < NITER; i++)
+		ps[i] = NULL;
+
+	for (alignment = 8;
+	    alignment <= MAXALIGN;
+	    alignment <<= 1) {
+		total = 0;
+		malloc_printf("Alignment: %zu\n", alignment);
+		for (size = 1;
+		    size < 3 * alignment && size < (1U << 31);
+		    size += (alignment >> (LG_SIZEOF_PTR-1)) - 1) {
+			for (i = 0; i < NITER; i++) {
+				ps[i] = aligned_alloc(alignment, size);
+				if (ps[i] == NULL) {
+					char buf[BUFERROR_BUF];
+
+					buferror(buf, sizeof(buf));
+					malloc_printf(
+					    "Error for size %zu (%#zx): %s\n",
+					    size, size, buf);
+					exit(1);
+				}
+				total += malloc_usable_size(ps[i]);
+				if (total >= (MAXALIGN << 1))
+					break;
+			}
+			for (i = 0; i < NITER; i++) {
+				if (ps[i] != NULL) {
+					free(ps[i]);
+					ps[i] = NULL;
+				}
+			}
+		}
+	}
+
+	malloc_printf("Test end\n");
+	return (0);
+}