Jemalloc updated to 3.0.0.

[redis.git] / deps / jemalloc.orig / test / mremap.c

diff --git a/deps/jemalloc.orig/test/mremap.c b/deps/jemalloc.orig/test/mremap.c
new file mode 100644 (file)
index 0000000..146c66f
--- /dev/null
+++ b/deps/jemalloc.orig/test/mremap.c
@@ -0,0 +1,67 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <errno.h>
+#include <string.h>
+
+#define        JEMALLOC_MANGLE
+#include "jemalloc_test.h"
+
+int
+main(void)
+{
+       int ret, err;
+       size_t sz, lg_chunk, chunksize, i;
+       char *p, *q;
+
+       fprintf(stderr, "Test begin\n");
+
+       sz = sizeof(lg_chunk);
+       if ((err = JEMALLOC_P(mallctl)("opt.lg_chunk", &lg_chunk, &sz, NULL,
+           0))) {
+               assert(err != ENOENT);
+               fprintf(stderr, "%s(): Error in mallctl(): %s\n", __func__,
+                   strerror(err));
+               ret = 1;
+               goto RETURN;
+       }
+       chunksize = ((size_t)1U) << lg_chunk;
+
+       p = (char *)malloc(chunksize);
+       if (p == NULL) {
+               fprintf(stderr, "malloc(%zu) --> %p\n", chunksize, p);
+               ret = 1;
+               goto RETURN;
+       }
+       memset(p, 'a', chunksize);
+
+       q = (char *)realloc(p, chunksize * 2);
+       if (q == NULL) {
+               fprintf(stderr, "realloc(%p, %zu) --> %p\n", p, chunksize * 2,
+                   q);
+               ret = 1;
+               goto RETURN;
+       }
+       for (i = 0; i < chunksize; i++) {
+               assert(q[i] == 'a');
+       }
+
+       p = q;
+
+       q = (char *)realloc(p, chunksize);
+       if (q == NULL) {
+               fprintf(stderr, "realloc(%p, %zu) --> %p\n", p, chunksize, q);
+               ret = 1;
+               goto RETURN;
+       }
+       for (i = 0; i < chunksize; i++) {
+               assert(q[i] == 'a');
+       }
+
+       free(q);
+
+       ret = 0;
+RETURN:
+       fprintf(stderr, "Test end\n");
+       return (ret);
+}