]> git.saurik.com Git - redis.git/blobdiff - deps/jemalloc.orig/test/posix_memalign.c
Jemalloc updated to 3.0.0.
[redis.git] / deps / jemalloc.orig / test / posix_memalign.c
diff --git a/deps/jemalloc.orig/test/posix_memalign.c b/deps/jemalloc.orig/test/posix_memalign.c
new file mode 100644 (file)
index 0000000..3e306c0
--- /dev/null
@@ -0,0 +1,121 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+#include <string.h>
+
+#define        JEMALLOC_MANGLE
+#include "jemalloc_test.h"
+
+#define CHUNK 0x400000
+/* #define MAXALIGN ((size_t)0x80000000000LLU) */
+#define MAXALIGN ((size_t)0x2000000LLU)
+#define NITER 4
+
+int
+main(void)
+{
+       size_t alignment, size, total;
+       unsigned i;
+       int err;
+       void *p, *ps[NITER];
+
+       fprintf(stderr, "Test begin\n");
+
+       /* Test error conditions. */
+       for (alignment = 0; alignment < sizeof(void *); alignment++) {
+               err = JEMALLOC_P(posix_memalign)(&p, alignment, 1);
+               if (err != EINVAL) {
+                       fprintf(stderr,
+                           "Expected error for invalid alignment %zu\n",
+                           alignment);
+               }
+       }
+
+       for (alignment = sizeof(size_t); alignment < MAXALIGN;
+           alignment <<= 1) {
+               err = JEMALLOC_P(posix_memalign)(&p, alignment + 1, 1);
+               if (err == 0) {
+                       fprintf(stderr,
+                           "Expected error for invalid alignment %zu\n",
+                           alignment + 1);
+               }
+       }
+
+#if LG_SIZEOF_PTR == 3
+       alignment = 0x8000000000000000LLU;
+       size      = 0x8000000000000000LLU;
+#else
+       alignment = 0x80000000LU;
+       size      = 0x80000000LU;
+#endif
+       err = JEMALLOC_P(posix_memalign)(&p, alignment, size);
+       if (err == 0) {
+               fprintf(stderr,
+                   "Expected error for posix_memalign(&p, %zu, %zu)\n",
+                   alignment, size);
+       }
+
+#if LG_SIZEOF_PTR == 3
+       alignment = 0x4000000000000000LLU;
+       size      = 0x8400000000000001LLU;
+#else
+       alignment = 0x40000000LU;
+       size      = 0x84000001LU;
+#endif
+       err = JEMALLOC_P(posix_memalign)(&p, alignment, size);
+       if (err == 0) {
+               fprintf(stderr,
+                   "Expected error for posix_memalign(&p, %zu, %zu)\n",
+                   alignment, size);
+       }
+
+       alignment = 0x10LLU;
+#if LG_SIZEOF_PTR == 3
+       size = 0xfffffffffffffff0LLU;
+#else
+       size = 0xfffffff0LU;
+#endif
+       err = JEMALLOC_P(posix_memalign)(&p, alignment, size);
+       if (err == 0) {
+               fprintf(stderr,
+                   "Expected error for posix_memalign(&p, %zu, %zu)\n",
+                   alignment, size);
+       }
+
+       for (i = 0; i < NITER; i++)
+               ps[i] = NULL;
+
+       for (alignment = 8;
+           alignment <= MAXALIGN;
+           alignment <<= 1) {
+               total = 0;
+               fprintf(stderr, "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++) {
+                               err = JEMALLOC_P(posix_memalign)(&ps[i],
+                                   alignment, size);
+                               if (err) {
+                                       fprintf(stderr,
+                                           "Error for size %zu (0x%zx): %s\n",
+                                           size, size, strerror(err));
+                                       exit(1);
+                               }
+                               total += JEMALLOC_P(malloc_usable_size)(ps[i]);
+                               if (total >= (MAXALIGN << 1))
+                                       break;
+                       }
+                       for (i = 0; i < NITER; i++) {
+                               if (ps[i] != NULL) {
+                                       JEMALLOC_P(free)(ps[i]);
+                                       ps[i] = NULL;
+                               }
+                       }
+               }
+       }
+
+       fprintf(stderr, "Test end\n");
+       return (0);
+}