Index: tests/zombies/gc_no_raii/pool-alloc/allocate-malign.c
===================================================================
--- tests/zombies/gc_no_raii/pool-alloc/allocate-malign.c	(revision 87b93323c11d412259391b6741a7bc4dcad8981e)
+++ tests/zombies/gc_no_raii/pool-alloc/allocate-malign.c	(revision 87b93323c11d412259391b6741a7bc4dcad8981e)
@@ -0,0 +1,30 @@
+/*
+ * Allocation functions (posix_malign)
+ *
+ * Copyright (c) 2014, 2015 Gregor Richards
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+static void *allocPool(size_t size, int mustSucceed)
+{
+    void *ret;
+    if ((errno = posix_memalign(&ret, size, size))) {
+        if (mustSucceed) {
+            perror("posix_memalign");
+            abort();
+        }
+        return NULL;
+    }
+    return ret;
+}
Index: tests/zombies/gc_no_raii/pool-alloc/allocate-malloc.c
===================================================================
--- tests/zombies/gc_no_raii/pool-alloc/allocate-malloc.c	(revision 87b93323c11d412259391b6741a7bc4dcad8981e)
+++ tests/zombies/gc_no_raii/pool-alloc/allocate-malloc.c	(revision 87b93323c11d412259391b6741a7bc4dcad8981e)
@@ -0,0 +1,53 @@
+/*
+ * Allocation functions (malloc)
+ *
+ * Copyright (c) 2014, 2015 Gregor Richards
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+static void *allocPool(int mustSucceed)
+{
+    static ggc_mutex_t poolLock = GGC_MUTEX_INITIALIZER;
+    static unsigned char *space = NULL, *spaceEnd = NULL;
+    void *ret;
+
+    /* do we already have some available space? */
+    ggc_mutex_lock_raw(&poolLock);
+    if (!space || space + GGGGC_POOL_BYTES > spaceEnd) {
+        ggc_size_t i;
+
+        /* since we can't pre-align, align by getting as much as we can manage */
+        for (i = 16; i >= 2; i /= 2) {
+            space = malloc(GGGGC_POOL_BYTES * i);
+            if (space) break;
+        }
+        if (!space) {
+            if (mustSucceed) {
+                perror("malloc");
+                abort();
+            }
+            return NULL;
+        }
+        spaceEnd = space + GGGGC_POOL_BYTES * i;
+
+        /* align it */
+        space = (unsigned char *) GGGGC_POOL_OF(space + GGGGC_POOL_BYTES - 1);
+    }
+
+    ret = (struct GGGGC_Pool *) space;
+    space += GGGGC_POOL_BYTES;
+    ggc_mutex_unlock(&poolLock);
+
+    return ret;
+}
Index: tests/zombies/gc_no_raii/pool-alloc/allocate-mmap.c
===================================================================
--- tests/zombies/gc_no_raii/pool-alloc/allocate-mmap.c	(revision 87b93323c11d412259391b6741a7bc4dcad8981e)
+++ tests/zombies/gc_no_raii/pool-alloc/allocate-mmap.c	(revision 87b93323c11d412259391b6741a7bc4dcad8981e)
@@ -0,0 +1,44 @@
+/*
+ * Allocation functions (mmap)
+ *
+ * Copyright (c) 2014, 2015 Gregor Richards
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+static void *allocPool(int mustSucceed)
+{
+    unsigned char *space, *aspace;
+    struct GGGGC_Pool *ret;
+
+    /* allocate enough space that we can align it later */
+    space = mmap(NULL, GGGGC_POOL_BYTES*2, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANON, -1, 0);
+    if (space == NULL) {
+        if (mustSucceed) {
+            perror("mmap");
+            abort();
+        }
+        return NULL;
+    }
+
+    /* align it */
+    ret = GGGGC_POOL_OF(space + GGGGC_POOL_BYTES - 1);
+    aspace = (unsigned char *) ret;
+
+    /* free unused space */
+    if (aspace > space)
+        munmap(space, aspace - space);
+    munmap(aspace + GGGGC_POOL_BYTES, space + GGGGC_POOL_BYTES - aspace);
+
+    return ret;
+}
Index: tests/zombies/gc_no_raii/pool-alloc/allocate-win-valloc.c
===================================================================
--- tests/zombies/gc_no_raii/pool-alloc/allocate-win-valloc.c	(revision 87b93323c11d412259391b6741a7bc4dcad8981e)
+++ tests/zombies/gc_no_raii/pool-alloc/allocate-win-valloc.c	(revision 87b93323c11d412259391b6741a7bc4dcad8981e)
@@ -0,0 +1,45 @@
+/*
+ * Allocation functions (mmap)
+ *
+ * Copyright (c) 2014, 2015 Gregor Richards
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+static void *allocPool(int mustSucceed)
+{
+    unsigned char *space, *aspace;
+    struct GGGGC_Pool *ret;
+
+    /* allocate enough space that we can align it later */
+    space = (unsigned char *)
+        VirtualAlloc(NULL, GGGGC_POOL_BYTES*2, MEM_COMMIT|MEM_RESERVE, PAGE_READWRITE);
+    if (space == NULL) {
+        if (mustSucceed) {
+            perror("mmap");
+            abort();
+        }
+        return NULL;
+    }
+
+    /* align it */
+    ret = GGGGC_POOL_OF(space + GGGGC_POOL_BYTES - 1);
+    aspace = (unsigned char *) ret;
+
+    /* free unused space */
+    if (aspace > space)
+        VirtualFree(space, aspace - space, MEM_RELEASE);
+    VirtualFree(aspace + GGGGC_POOL_BYTES, space + GGGGC_POOL_BYTES - aspace, MEM_RELEASE);
+
+    return ret;
+}