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72 lines
1.8 KiB
C
72 lines
1.8 KiB
C
/*
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TEST_HEADER
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id = $Id$
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summary = AWL pool asserts on exact out-of-bounds reference
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language = c
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link = myfmt.o testlib.o
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OUTPUT_SPEC
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assert = true
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assertfile P= poolawl.c
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assertcond = ss->rank == RankAMBIG
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END_HEADER
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*/
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#include "testlib.h"
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#include "mpscawl.h"
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#include "myfmt.h"
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static void test(void)
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{
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void *marker = ▮
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mps_arena_t arena;
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mps_pool_t pool;
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mps_thr_t thread;
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mps_root_t root;
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mps_fmt_t fmt;
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mps_ap_t ap;
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mps_addr_t p, q, out_of_bounds;
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size_t header = sizeof(mycell);
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cdie(mps_arena_create_k(&arena, mps_arena_class_vm(), mps_args_none), "create arena");
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mps_arena_park(arena);
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cdie(mps_thread_reg(&thread, arena), "register thread");
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cdie(mps_root_create_thread(&root, arena, thread, marker), "create root");
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MPS_ARGS_BEGIN(args) {
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MPS_ARGS_ADD(args, MPS_KEY_FMT_HEADER_SIZE, header);
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fmtargs(args + 1);
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cdie(mps_fmt_create_k(&fmt, arena, args), "format");
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} MPS_ARGS_END(args);
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MPS_ARGS_BEGIN(args) {
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MPS_ARGS_ADD(args, MPS_KEY_FORMAT, fmt);
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cdie(mps_pool_create_k(&pool, arena, mps_class_awl(), args), "pool");
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} MPS_ARGS_END(args);
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cdie(mps_ap_create(&ap, pool, mps_rank_exact()), "ap");
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/* p is in the AWL pool */
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p = allocheader(ap, 0, NULL, NULL, sizeof(mycell), header);
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/* q is in the AMS pool with exact reference to p and out-of-bounds object */
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out_of_bounds = (void *)((char*)p - header);
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q = allocheader(ap, 1, p, out_of_bounds, sizeof(mycell), header);
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/* Destroy the allocation point so that the segment gets unbuffered. */
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mps_ap_destroy(ap);
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mps_arena_start_collect(arena);
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mps_arena_park(arena);
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/* Keep q (and thus p) alive during the collection. */
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report("q", "%p", q);
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mps_pool_destroy(pool);
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mps_fmt_destroy(fmt);
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mps_root_destroy(root);
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mps_thread_dereg(thread);
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mps_arena_destroy(arena);
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}
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int main(void)
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{
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easy_tramp(test);
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return 0;
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}
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