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-rw-r--r--erts/emulator/test/alloc_SUITE_data/Makefile.src3
-rw-r--r--erts/emulator/test/alloc_SUITE_data/allocator_test.h20
-rw-r--r--erts/emulator/test/alloc_SUITE_data/basic.c3
-rw-r--r--erts/emulator/test/alloc_SUITE_data/basic.erl10
-rw-r--r--erts/emulator/test/alloc_SUITE_data/bucket_index.c2
-rw-r--r--erts/emulator/test/alloc_SUITE_data/bucket_index.erl10
-rw-r--r--erts/emulator/test/alloc_SUITE_data/bucket_mask.c4
-rw-r--r--erts/emulator/test/alloc_SUITE_data/bucket_mask.erl10
-rw-r--r--erts/emulator/test/alloc_SUITE_data/coalesce.c3
-rw-r--r--erts/emulator/test/alloc_SUITE_data/coalesce.erl10
-rw-r--r--erts/emulator/test/alloc_SUITE_data/cpool.c9
-rw-r--r--erts/emulator/test/alloc_SUITE_data/cpool.erl10
-rw-r--r--erts/emulator/test/alloc_SUITE_data/migration.c343
-rw-r--r--erts/emulator/test/alloc_SUITE_data/migration.erl10
-rw-r--r--erts/emulator/test/alloc_SUITE_data/mseg_clear_cache.c3
-rw-r--r--erts/emulator/test/alloc_SUITE_data/mseg_clear_cache.erl10
-rw-r--r--erts/emulator/test/alloc_SUITE_data/rbtree.c14
-rw-r--r--erts/emulator/test/alloc_SUITE_data/rbtree.erl10
-rw-r--r--erts/emulator/test/alloc_SUITE_data/realloc_copy.c2
-rw-r--r--erts/emulator/test/alloc_SUITE_data/realloc_copy.erl10
-rw-r--r--erts/emulator/test/alloc_SUITE_data/testcase_driver.c255
-rw-r--r--erts/emulator/test/alloc_SUITE_data/testcase_driver.h15
-rw-r--r--erts/emulator/test/alloc_SUITE_data/threads.c6
-rw-r--r--erts/emulator/test/alloc_SUITE_data/threads.erl10
24 files changed, 634 insertions, 148 deletions
diff --git a/erts/emulator/test/alloc_SUITE_data/Makefile.src b/erts/emulator/test/alloc_SUITE_data/Makefile.src
index a441fe946b..e31de54e1b 100644
--- a/erts/emulator/test/alloc_SUITE_data/Makefile.src
+++ b/erts/emulator/test/alloc_SUITE_data/Makefile.src
@@ -25,7 +25,8 @@ TEST_DRVS = basic@dll@ \
bucket_mask@dll@ \
rbtree@dll@ \
mseg_clear_cache@dll@ \
- cpool@dll@
+ cpool@dll@ \
+ migration@dll@
CC = @CC@
LD = @LD@
diff --git a/erts/emulator/test/alloc_SUITE_data/allocator_test.h b/erts/emulator/test/alloc_SUITE_data/allocator_test.h
index 1d6b2f4907..97ee58cdad 100644
--- a/erts/emulator/test/alloc_SUITE_data/allocator_test.h
+++ b/erts/emulator/test/alloc_SUITE_data/allocator_test.h
@@ -20,9 +20,20 @@
#ifndef ALLOCATOR_TEST_H__
#define ALLOCATOR_TEST_H__
-typedef ErlDrvUInt Ulong;
+#if SIZEOF_VOID_P == SIZEOF_INT
+typedef unsigned int Ulong;
+#elif SIZEOF_VOID_P == SIZEOF_LONG
+typedef unsigned long Ulong;
+#elif SIZEOF_VOID_P == SIZEOF_LONG_LONG
+typedef unsigned long long Ulong;
+#else
+# error No pointer sized integer type found ???
+#endif
-#ifndef __WIN32__
+#ifdef __WIN32__
+typedef Ulong erts_alc_test_Fn(Ulong, Ulong, Ulong, Ulong);
+# define erts_alc_test ((erts_alc_test_Fn*)WinDynNifCallbacks.erts_alc_test)
+#else
Ulong erts_alc_test(Ulong, Ulong, Ulong, Ulong);
#endif
@@ -85,6 +96,7 @@ typedef void* erts_cond;
#define CPOOL_DELETE(A,B) ((Carrier_t *) ALC_TEST2(0x022, (A), (B)))
#define CPOOL_IS_EMPTY(A) ((int) ALC_TEST1(0x023, (A)))
#define CPOOL_IS_IN_POOL(A,B) ((int) ALC_TEST2(0x024, (A), (B)))
+#define UMEM2BLK_TEST(P) ((Block_t*) ALC_TEST1(0x025, (P)))
/* From erl_goodfit_alloc.c */
#define BKT_IX(A, S) ((Ulong) ALC_TEST2(0x100, (A), (S)))
@@ -142,5 +154,9 @@ typedef void* erts_cond;
#define THR_JOIN(T) ((void) ALC_TEST1(0xf11, (T)))
#define THR_EXIT(R) ((void) ALC_TEST1(0xf12, (R)))
#define IS_SMP_ENABLED ((int) ALC_TEST0(0xf13))
+#define ALLOC_TEST(S) ((void*) ALC_TEST1(0xf14, (S)))
+#define FREE_TEST(P) ((void) ALC_TEST1(0xf15, (P)))
+#define SET_TEST_MBC_USER_HEADER(SZ,CMBC,DMBC) ((int)ALC_TEST3(0xf16, (SZ), (CMBC), (DMBC)))
+#define GET_TEST_MBC_SIZE() ((int) ALC_TEST0(0xf17))
#endif
diff --git a/erts/emulator/test/alloc_SUITE_data/basic.c b/erts/emulator/test/alloc_SUITE_data/basic.c
index 323a24a11f..debb3d7ebe 100644
--- a/erts/emulator/test/alloc_SUITE_data/basic.c
+++ b/erts/emulator/test/alloc_SUITE_data/basic.c
@@ -60,3 +60,6 @@ testcase_cleanup(TestCaseState_t *tcs)
if (tcs->extra)
STOP_ALC((Allctr_t *) tcs->extra);
}
+
+ERL_NIF_INIT(basic, testcase_nif_funcs, testcase_nif_init,
+ NULL, NULL, NULL);
diff --git a/erts/emulator/test/alloc_SUITE_data/basic.erl b/erts/emulator/test/alloc_SUITE_data/basic.erl
new file mode 100644
index 0000000000..a018fd5582
--- /dev/null
+++ b/erts/emulator/test/alloc_SUITE_data/basic.erl
@@ -0,0 +1,10 @@
+-module(basic).
+
+-export([init/1, start/1, run/1, stop/1]).
+
+init(File) ->
+ ok = erlang:load_nif(File, 0).
+
+start(_) -> erlang:nif_error(not_loaded).
+run(_) -> erlang:nif_error(not_loaded).
+stop(_) -> erlang:nif_error(not_loaded).
diff --git a/erts/emulator/test/alloc_SUITE_data/bucket_index.c b/erts/emulator/test/alloc_SUITE_data/bucket_index.c
index c13f229049..45cb53fbf7 100644
--- a/erts/emulator/test/alloc_SUITE_data/bucket_index.c
+++ b/erts/emulator/test/alloc_SUITE_data/bucket_index.c
@@ -113,3 +113,5 @@ test_it(TestCaseState_t *tcs, unsigned sbct)
sbct ? sbct_buf : "default");
}
+ERL_NIF_INIT(bucket_index, testcase_nif_funcs, testcase_nif_init,
+ NULL, NULL, NULL);
diff --git a/erts/emulator/test/alloc_SUITE_data/bucket_index.erl b/erts/emulator/test/alloc_SUITE_data/bucket_index.erl
new file mode 100644
index 0000000000..c54f54e2f5
--- /dev/null
+++ b/erts/emulator/test/alloc_SUITE_data/bucket_index.erl
@@ -0,0 +1,10 @@
+-module(bucket_index).
+
+-export([init/1, start/1, run/1, stop/1]).
+
+init(File) ->
+ ok = erlang:load_nif(File, 0).
+
+start(_) -> erlang:nif_error(not_loaded).
+run(_) -> erlang:nif_error(not_loaded).
+stop(_) -> erlang:nif_error(not_loaded).
diff --git a/erts/emulator/test/alloc_SUITE_data/bucket_mask.c b/erts/emulator/test/alloc_SUITE_data/bucket_mask.c
index 8d6166771e..c94c265f4e 100644
--- a/erts/emulator/test/alloc_SUITE_data/bucket_mask.c
+++ b/erts/emulator/test/alloc_SUITE_data/bucket_mask.c
@@ -52,7 +52,7 @@ testcase_run(TestCaseState_t *tcs)
typedef struct linked_block {
struct linked_block* next;
}Linked;
- Linked* link;
+ Linked* link = NULL;
Linked* fence_list;
Linked* pad_list;
void* tmp;
@@ -183,3 +183,5 @@ testcase_run(TestCaseState_t *tcs)
tcs->extra = NULL;
}
+ERL_NIF_INIT(bucket_mask, testcase_nif_funcs, testcase_nif_init,
+ NULL, NULL, NULL);
diff --git a/erts/emulator/test/alloc_SUITE_data/bucket_mask.erl b/erts/emulator/test/alloc_SUITE_data/bucket_mask.erl
new file mode 100644
index 0000000000..589a50e1fa
--- /dev/null
+++ b/erts/emulator/test/alloc_SUITE_data/bucket_mask.erl
@@ -0,0 +1,10 @@
+-module(bucket_mask).
+
+-export([init/1, start/1, run/1, stop/1]).
+
+init(File) ->
+ ok = erlang:load_nif(File, 0).
+
+start(_) -> erlang:nif_error(not_loaded).
+run(_) -> erlang:nif_error(not_loaded).
+stop(_) -> erlang:nif_error(not_loaded).
diff --git a/erts/emulator/test/alloc_SUITE_data/coalesce.c b/erts/emulator/test/alloc_SUITE_data/coalesce.c
index 0a5e0c5b0e..7791409a34 100644
--- a/erts/emulator/test/alloc_SUITE_data/coalesce.c
+++ b/erts/emulator/test/alloc_SUITE_data/coalesce.c
@@ -317,3 +317,6 @@ testcase_cleanup(TestCaseState_t *tcs)
if (tcs->extra)
STOP_ALC((Allctr_t *) tcs->extra);
}
+
+ERL_NIF_INIT(coalesce, testcase_nif_funcs, testcase_nif_init,
+ NULL, NULL, NULL);
diff --git a/erts/emulator/test/alloc_SUITE_data/coalesce.erl b/erts/emulator/test/alloc_SUITE_data/coalesce.erl
new file mode 100644
index 0000000000..453c726c4e
--- /dev/null
+++ b/erts/emulator/test/alloc_SUITE_data/coalesce.erl
@@ -0,0 +1,10 @@
+-module(coalesce).
+
+-export([init/1, start/1, run/1, stop/1]).
+
+init(File) ->
+ ok = erlang:load_nif(File, 0).
+
+start(_) -> erlang:nif_error(not_loaded).
+run(_) -> erlang:nif_error(not_loaded).
+stop(_) -> erlang:nif_error(not_loaded).
diff --git a/erts/emulator/test/alloc_SUITE_data/cpool.c b/erts/emulator/test/alloc_SUITE_data/cpool.c
index 75c2bc13ae..73026cc758 100644
--- a/erts/emulator/test/alloc_SUITE_data/cpool.c
+++ b/erts/emulator/test/alloc_SUITE_data/cpool.c
@@ -86,13 +86,13 @@ thread_func(void *arg)
for (i = 0; i < (TEST_NO_CARRIERS_PER_THREAD+TEST_CARRIERS_OFFSET); i++) {
int d;
if (i < TEST_NO_CARRIERS_PER_THREAD) {
- CPOOL_INSERT(alloc, crr[i]);
+ (void) CPOOL_INSERT(alloc, crr[i]);
if ((i & 0x7) == 0)
FATAL_ASSERT(CPOOL_IS_IN_POOL(alloc, crr[i]));
}
d = i-TEST_CARRIERS_OFFSET;
if (d >= 0) {
- CPOOL_DELETE(alloc, crr[d]);
+ (void) CPOOL_DELETE(alloc, crr[d]);
if ((d & 0x7) == 0)
FATAL_ASSERT(!CPOOL_IS_IN_POOL(alloc, crr[d]));
}
@@ -129,7 +129,7 @@ testcase_run(TestCaseState_t *tcs)
for (c = 0; c < TEST_NO_CARRIERS_PER_THREAD; c++) {
Carrier_t *crr = (Carrier_t *) p;
p += zcrr_sz;
- ZERO_CRR_INIT(alloc, crr);
+ (void) ZERO_CRR_INIT(alloc, crr);
threads[t].crr[c] = crr;
}
}
@@ -156,3 +156,6 @@ testcase_run(TestCaseState_t *tcs)
ASSERT(tcs, no_threads == TEST_NO_THREADS);
}
+
+ERL_NIF_INIT(cpool, testcase_nif_funcs, testcase_nif_init,
+ NULL, NULL, NULL);
diff --git a/erts/emulator/test/alloc_SUITE_data/cpool.erl b/erts/emulator/test/alloc_SUITE_data/cpool.erl
new file mode 100644
index 0000000000..89053471fa
--- /dev/null
+++ b/erts/emulator/test/alloc_SUITE_data/cpool.erl
@@ -0,0 +1,10 @@
+-module(cpool).
+
+-export([init/1, start/1, run/1, stop/1]).
+
+init(File) ->
+ ok = erlang:load_nif(File, 0).
+
+start(_) -> erlang:nif_error(not_loaded).
+run(_) -> erlang:nif_error(not_loaded).
+stop(_) -> erlang:nif_error(not_loaded).
diff --git a/erts/emulator/test/alloc_SUITE_data/migration.c b/erts/emulator/test/alloc_SUITE_data/migration.c
new file mode 100644
index 0000000000..b006360043
--- /dev/null
+++ b/erts/emulator/test/alloc_SUITE_data/migration.c
@@ -0,0 +1,343 @@
+/*
+ * %CopyrightBegin%
+ *
+ * Copyright Ericsson AB 2014. All Rights Reserved.
+ *
+ * The contents of this file are subject to the Erlang Public License,
+ * Version 1.1, (the "License"); you may not use this file except in
+ * compliance with the License. You should have received a copy of the
+ * Erlang Public License along with this software. If not, it can be
+ * retrieved online at http://www.erlang.org/.
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * %CopyrightEnd%
+ */
+
+/*
+ * Test the carrier migration logic
+ */
+
+#ifndef __WIN32__
+#include <sys/types.h>
+#include <unistd.h>
+#include <errno.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include "testcase_driver.h"
+#include "allocator_test.h"
+
+#define FATAL_ASSERT(A) \
+ ((void) ((A) \
+ ? 1 \
+ : (fatal_assert_failed(#A, \
+ (char *) __FILE__, \
+ __LINE__), \
+ 0)))
+
+static void
+fatal_assert_failed(char* expr, char* file, int line)
+{
+ fflush(stdout);
+ fprintf(stderr, "%s:%d: Assertion failed: %s\n",
+ file, line, expr);
+ fflush(stderr);
+ abort();
+}
+
+
+char *
+testcase_name(void)
+{
+ return "migration";
+}
+
+/* Turns out random_r() is a nonstandard glibc extension.
+#define HAVE_RANDOM_R
+*/
+#ifdef HAVE_RANDOM_R
+
+typedef struct { struct random_data rnd; char rndbuf[32]; } MyRandState;
+
+static void myrand_init(MyRandState* mrs, unsigned int seed)
+{
+ int res;
+ memset(&mrs->rnd, 0, sizeof(mrs->rnd));
+ res = initstate_r(seed, mrs->rndbuf, sizeof(mrs->rndbuf), &mrs->rnd);
+ FATAL_ASSERT(res == 0);
+}
+
+static int myrand(MyRandState* mrs)
+{
+ int32_t x;
+ int res = random_r(&mrs->rnd, &x);
+ FATAL_ASSERT(res == 0);
+ return (int)x;
+}
+
+#else /* !HAVE_RANDOM_R */
+
+typedef unsigned int MyRandState;
+
+static void myrand_init(MyRandState* mrs, unsigned int seed)
+{
+ *mrs = seed;
+}
+
+static int myrand(MyRandState* mrs)
+{
+ /* Taken from rand(3) man page.
+ * Modified to return a full 31-bit value by using low half of *mrs as well.
+ */
+ *mrs = (*mrs) * 1103515245 + 12345;
+ return (int) (((*mrs >> 16) | (*mrs << 16)) & ~(1 << 31));
+}
+
+#endif /* !HAVE_RANDOM_R */
+
+#define MAX_BLOCK_PER_THR 200
+#define BLOCKS_PER_MBC 10
+#define MAX_ROUNDS 10000
+
+typedef struct MyBlock_ {
+ struct MyBlock_* next;
+ struct MyBlock_** prevp;
+} MyBlock;
+
+typedef struct {
+ MyBlock* blockv[MAX_BLOCK_PER_THR];
+ MyRandState rand_state;
+ enum { GROWING, SHRINKING, CLEANUP, DONE } phase;
+ int nblocks;
+ int goal_nblocks;
+ int round;
+ int nr_of_migrations;
+ int nr_of_carriers;
+ int max_blocks_in_mbc;
+ int block_size;
+ int max_nblocks;
+} MigrationState;
+
+typedef struct {
+ ErlNifMutex* mtx;
+ int nblocks;
+ MyBlock* first;
+ MigrationState* employer;
+} MyCrrInfo;
+
+
+static int crr_info_offset = -1;
+static void (*orig_create_mbc_fn)(Allctr_t *allctr, Carrier_t *carrier);
+static void (*orig_destroying_mbc_fn)(Allctr_t *allctr, Carrier_t *carrier);
+
+static void my_creating_mbc(Allctr_t *allctr, Carrier_t *carrier)
+{
+ MyCrrInfo* mci = (MyCrrInfo*) ((char*)carrier + crr_info_offset);
+ if (orig_create_mbc_fn)
+ orig_create_mbc_fn(allctr, carrier);
+
+ mci->mtx = enif_mutex_create("alloc_SUITE.migration");
+ mci->nblocks = 0;
+ mci->first = NULL;
+ mci->employer = NULL;
+}
+
+static void my_destroying_mbc(Allctr_t *allctr, Carrier_t *carrier)
+{
+ MyCrrInfo* mci = (MyCrrInfo*) ((char*)carrier + crr_info_offset);
+
+ FATAL_ASSERT(mci->nblocks == 0);
+ FATAL_ASSERT(mci->first == NULL);
+ enif_mutex_destroy(mci->mtx);
+
+ if (orig_destroying_mbc_fn)
+ orig_destroying_mbc_fn(allctr, carrier);
+}
+
+static int migration_init(ErlNifEnv* env, void** priv_data, ERL_NIF_TERM load_info)
+{
+ void* creating_mbc_arg = (void*)my_creating_mbc;
+ void* destroying_mbc_arg = (void*)my_destroying_mbc;
+
+ if (testcase_nif_init(env, priv_data, load_info))
+ return -1;
+
+ crr_info_offset = SET_TEST_MBC_USER_HEADER(sizeof(MyCrrInfo),
+ &creating_mbc_arg,
+ &destroying_mbc_arg);
+ FATAL_ASSERT(crr_info_offset >= 0);
+ orig_create_mbc_fn = creating_mbc_arg;
+ orig_destroying_mbc_fn = destroying_mbc_arg;
+
+ return 0;
+}
+
+static void add_block(MyBlock* p, MigrationState* state)
+{
+ MyCrrInfo* mci = (MyCrrInfo*)((char*)BLK_TO_MBC(UMEM2BLK_TEST(p)) + crr_info_offset);
+
+ enif_mutex_lock(mci->mtx);
+ if (++mci->nblocks > state->max_blocks_in_mbc)
+ state->max_blocks_in_mbc = mci->nblocks;
+ p->next = mci->first;
+ p->prevp = &mci->first;
+ mci->first = p;
+ if (p->next)
+ p->next->prevp = &p->next;
+ if (mci->employer != state) {
+ if (!mci->employer) {
+ FATAL_ASSERT(mci->nblocks == 1);
+ state->nr_of_carriers++;
+ }
+ else {
+ state->nr_of_migrations++;
+ }
+ mci->employer = state;
+ }
+ enif_mutex_unlock(mci->mtx);
+}
+
+static void remove_block(MyBlock* p)
+{
+ MyCrrInfo* mci = (MyCrrInfo*)((char*)BLK_TO_MBC(UMEM2BLK_TEST(p)) + crr_info_offset);
+
+ enif_mutex_lock(mci->mtx);
+ mci->nblocks--;
+ if (p->next)
+ p->next->prevp = p->prevp;
+ *p->prevp = p->next;
+ enif_mutex_unlock(mci->mtx);
+}
+
+static int rand_int(MigrationState* state, int low, int high)
+{
+ int x;
+ FATAL_ASSERT(high >= low);
+ x = myrand(&state->rand_state);
+ return low + (x % (high+1-low));
+}
+
+
+static void do_cleanup(TestCaseState_t *tcs, MigrationState* state)
+{
+ if (state->nblocks == 0) {
+ state->phase = DONE;
+ testcase_printf(tcs, "%d: Done %d rounds", tcs->thr_nr, state->round);
+ testcase_printf(tcs, "%d: Cleanup all blocks", tcs->thr_nr);
+ testcase_printf(tcs, "%d: Empty carriers detected = %d", tcs->thr_nr,
+ state->nr_of_carriers);
+ testcase_printf(tcs, "%d: Migrations detected = %d", tcs->thr_nr,
+ state->nr_of_migrations);
+ testcase_printf(tcs, "%d: Max blocks in carrier = %d", tcs->thr_nr,
+ state->max_blocks_in_mbc);
+ }
+ else {
+ state->nblocks--;
+ if (state->blockv[state->nblocks]) {
+ remove_block(state->blockv[state->nblocks]);
+ FREE_TEST(state->blockv[state->nblocks]);
+ }
+ }
+}
+
+
+void
+testcase_run(TestCaseState_t *tcs)
+{
+ MigrationState* state = (MigrationState*) tcs->extra;
+
+ if (!tcs->extra) {
+ if (!IS_SMP_ENABLED)
+ testcase_skipped(tcs, "No SMP support");
+
+ tcs->extra = enif_alloc(sizeof(MigrationState));
+ state = (MigrationState*) tcs->extra;
+ memset(state->blockv, 0, sizeof(state->blockv));
+ myrand_init(&state->rand_state, tcs->thr_nr);
+ state->phase = GROWING;
+ state->nblocks = 0;
+ state->round = 0;
+ state->nr_of_migrations = 0;
+ state->nr_of_carriers = 0;
+ state->max_blocks_in_mbc = 0;
+ state->block_size = GET_TEST_MBC_SIZE() / (BLOCKS_PER_MBC+1);
+ if (MAX_BLOCK_PER_THR * state->block_size < tcs->free_mem) {
+ state->max_nblocks = MAX_BLOCK_PER_THR;
+ } else {
+ state->max_nblocks = tcs->free_mem / state->block_size;
+ }
+ state->goal_nblocks = rand_int(state, 1, state->max_nblocks);
+ }
+
+ switch (state->phase) {
+ case GROWING: {
+ MyBlock* p;
+ FATAL_ASSERT(!state->blockv[state->nblocks]);
+ p = ALLOC_TEST(rand_int(state, state->block_size/2, state->block_size));
+ FATAL_ASSERT(p);
+ add_block(p, state);
+ state->blockv[state->nblocks] = p;
+ if (++state->nblocks >= state->goal_nblocks) {
+ /*testcase_printf(tcs, "%d: Grown to %d blocks", tcs->thr_nr, state->nblocks);*/
+ state->phase = SHRINKING;
+ state->goal_nblocks = rand_int(state, 0, state->goal_nblocks-1);
+ }
+ else
+ FATAL_ASSERT(!state->blockv[state->nblocks]);
+ break;
+ }
+ case SHRINKING: {
+ int ix = rand_int(state, 0, state->nblocks-1);
+ FATAL_ASSERT(state->blockv[ix]);
+ remove_block(state->blockv[ix]);
+ FREE_TEST(state->blockv[ix]);
+ state->blockv[ix] = state->blockv[--state->nblocks];
+ state->blockv[state->nblocks] = NULL;
+
+ if (state->nblocks <= state->goal_nblocks) {
+ /*testcase_printf(tcs, "%d: Shrunk to %d blocks", tcs->thr_nr, state->nblocks);*/
+ if (++state->round >= MAX_ROUNDS) {
+ state->phase = CLEANUP;
+ } else {
+ state->phase = GROWING;
+ state->goal_nblocks = rand_int(state, state->goal_nblocks+1, state->max_nblocks);
+ }
+ }
+ break;
+ }
+ case CLEANUP:
+ do_cleanup(tcs, state);
+ break;
+
+ default:
+ FATAL_ASSERT(!"Invalid phase");
+ }
+
+ if (state->phase == DONE) {
+ }
+ else {
+ testcase_continue(tcs);
+ }
+}
+
+void
+testcase_cleanup(TestCaseState_t *tcs)
+{
+ MigrationState* state = (MigrationState*) tcs->extra;
+
+ while (state->phase != DONE)
+ do_cleanup(tcs, state);
+
+ enif_free(tcs->extra);
+ tcs->extra = NULL;
+}
+
+
+ERL_NIF_INIT(migration, testcase_nif_funcs, migration_init,
+ NULL, NULL, NULL);
diff --git a/erts/emulator/test/alloc_SUITE_data/migration.erl b/erts/emulator/test/alloc_SUITE_data/migration.erl
new file mode 100644
index 0000000000..440a99becd
--- /dev/null
+++ b/erts/emulator/test/alloc_SUITE_data/migration.erl
@@ -0,0 +1,10 @@
+-module(migration).
+
+-export([init/1, start/1, run/1, stop/1]).
+
+init(File) ->
+ ok = erlang:load_nif(File, 0).
+
+start(_) -> erlang:nif_error(not_loaded).
+run(_) -> erlang:nif_error(not_loaded).
+stop(_) -> erlang:nif_error(not_loaded).
diff --git a/erts/emulator/test/alloc_SUITE_data/mseg_clear_cache.c b/erts/emulator/test/alloc_SUITE_data/mseg_clear_cache.c
index 9c03f3a331..e5df3d647f 100644
--- a/erts/emulator/test/alloc_SUITE_data/mseg_clear_cache.c
+++ b/erts/emulator/test/alloc_SUITE_data/mseg_clear_cache.c
@@ -101,3 +101,6 @@ testcase_cleanup(TestCaseState_t *tcs)
tcs->extra = NULL;
}
}
+
+ERL_NIF_INIT(mseg_clear_cache, testcase_nif_funcs, testcase_nif_init,
+ NULL, NULL, NULL);
diff --git a/erts/emulator/test/alloc_SUITE_data/mseg_clear_cache.erl b/erts/emulator/test/alloc_SUITE_data/mseg_clear_cache.erl
new file mode 100644
index 0000000000..befd6c2e8e
--- /dev/null
+++ b/erts/emulator/test/alloc_SUITE_data/mseg_clear_cache.erl
@@ -0,0 +1,10 @@
+-module(mseg_clear_cache).
+
+-export([init/1, start/1, run/1, stop/1]).
+
+init(File) ->
+ ok = erlang:load_nif(File, 0).
+
+start(_) -> erlang:nif_error(not_loaded).
+run(_) -> erlang:nif_error(not_loaded).
+stop(_) -> erlang:nif_error(not_loaded).
diff --git a/erts/emulator/test/alloc_SUITE_data/rbtree.c b/erts/emulator/test/alloc_SUITE_data/rbtree.c
index 8d4d5535a8..38bbbdf90c 100644
--- a/erts/emulator/test/alloc_SUITE_data/rbtree.c
+++ b/erts/emulator/test/alloc_SUITE_data/rbtree.c
@@ -20,7 +20,7 @@
#include "testcase_driver.h"
#include "allocator_test.h"
-#define NO_BLOCKS 100000
+int NO_BLOCKS;
#define RIGHT_VISITED (1 << 0)
#define LEFT_VISITED (1 << 1)
@@ -265,9 +265,10 @@ check_tree(TestCaseState_t *tcs, Allctr_t *alc, Ulong size)
ASSERT(tcs, curr_blacks == 0);
ASSERT(tcs, i == -1);
+ /*
testcase_printf(tcs, "Red-Black Tree OK! Max depth = %d; "
"Black depth = %d\n", max_i+1, blacks < 0 ? 0 : blacks);
-
+ */
return res;
}
@@ -468,6 +469,12 @@ testcase_run(TestCaseState_t *tcs)
Allctr_t *a;
rbtree_test_data *td;
+ NO_BLOCKS = 100*1000;
+ if (enif_is_identical(tcs->build_type,
+ enif_make_atom(tcs->curr_env,"valgrind"))) {
+ NO_BLOCKS /= 10;
+ }
+
/* Best fit... */
testcase_printf(tcs, "Setup...\n");
@@ -577,3 +584,6 @@ testcase_run(TestCaseState_t *tcs)
testcase_printf(tcs, "aoffcaobf test succeeded!\n");
}
+
+ERL_NIF_INIT(rbtree, testcase_nif_funcs, testcase_nif_init,
+ NULL, NULL, NULL);
diff --git a/erts/emulator/test/alloc_SUITE_data/rbtree.erl b/erts/emulator/test/alloc_SUITE_data/rbtree.erl
new file mode 100644
index 0000000000..f5b7120ff2
--- /dev/null
+++ b/erts/emulator/test/alloc_SUITE_data/rbtree.erl
@@ -0,0 +1,10 @@
+-module(rbtree).
+
+-export([init/1, start/1, run/1, stop/1]).
+
+init(File) ->
+ ok = erlang:load_nif(File, 0).
+
+start(_) -> erlang:nif_error(not_loaded).
+run(_) -> erlang:nif_error(not_loaded).
+stop(_) -> erlang:nif_error(not_loaded).
diff --git a/erts/emulator/test/alloc_SUITE_data/realloc_copy.c b/erts/emulator/test/alloc_SUITE_data/realloc_copy.c
index e405f06225..c4147eb00d 100644
--- a/erts/emulator/test/alloc_SUITE_data/realloc_copy.c
+++ b/erts/emulator/test/alloc_SUITE_data/realloc_copy.c
@@ -278,3 +278,5 @@ testcase_cleanup(TestCaseState_t *tcs)
STOP_ALC((Allctr_t *) tcs->extra);
}
+ERL_NIF_INIT(realloc_copy, testcase_nif_funcs, testcase_nif_init,
+ NULL, NULL, NULL);
diff --git a/erts/emulator/test/alloc_SUITE_data/realloc_copy.erl b/erts/emulator/test/alloc_SUITE_data/realloc_copy.erl
new file mode 100644
index 0000000000..cc6617bf64
--- /dev/null
+++ b/erts/emulator/test/alloc_SUITE_data/realloc_copy.erl
@@ -0,0 +1,10 @@
+-module(realloc_copy).
+
+-export([init/1, start/1, run/1, stop/1]).
+
+init(File) ->
+ ok = erlang:load_nif(File, 0).
+
+start(_) -> erlang:nif_error(not_loaded).
+run(_) -> erlang:nif_error(not_loaded).
+stop(_) -> erlang:nif_error(not_loaded).
diff --git a/erts/emulator/test/alloc_SUITE_data/testcase_driver.c b/erts/emulator/test/alloc_SUITE_data/testcase_driver.c
index bc674c56b7..7dcca544e5 100644
--- a/erts/emulator/test/alloc_SUITE_data/testcase_driver.c
+++ b/erts/emulator/test/alloc_SUITE_data/testcase_driver.c
@@ -23,141 +23,147 @@
#include <stdarg.h>
#include <setjmp.h>
#include <string.h>
+#include <limits.h>
#ifdef __WIN32__
-#undef HAVE_VSNPRINTF
-#define HAVE_VSNPRINTF 1
-#define vsnprintf _vsnprintf
+static void my_vsnprintf(char *outBuf, size_t size, const char *format, va_list ap)
+{
+ _vsnprintf(outBuf, size, format, ap);
+ outBuf[size-1] = 0; /* be sure string is terminated */
+}
+#elif defined(HAVE_VSNPRINTF)
+# define my_vsnprintf(B,S,F,A) (void)vsnprintf(B,S,F,A)
+#else
+# warning Using unsafe 'vsprintf' without buffer overflow protection
+# define my_vsnprintf(B,S,F,A) (void)vsprintf(B,F,A)
#endif
-#ifndef HAVE_VSNPRINTF
-#define HAVE_VSNPRINTF 0
-#endif
+static void my_snprintf(char *outBuf, size_t size, const char *format, ...)
+{
+ va_list ap;
+ va_start(ap, format);
+ my_vsnprintf(outBuf, size, format, ap);
+ va_end(ap);
+}
#define COMMENT_BUF_SZ 4096
#define TESTCASE_FAILED 0
#define TESTCASE_SKIPPED 1
#define TESTCASE_SUCCEEDED 2
+#define TESTCASE_CONTINUE 3
typedef struct {
TestCaseState_t visible;
- ErlDrvPort port;
- ErlDrvTermData port_id;
int result;
- jmp_buf done_jmp_buf;
+ jmp_buf* done_jmp_buf;
char *comment;
char comment_buf[COMMENT_BUF_SZ];
} InternalTestCaseState_t;
-ErlDrvData testcase_drv_start(ErlDrvPort port, char *command);
-void testcase_drv_stop(ErlDrvData drv_data);
-void testcase_drv_run(ErlDrvData drv_data, char *buf, ErlDrvSizeT len);
-
-static ErlDrvEntry testcase_drv_entry = {
- NULL,
- testcase_drv_start,
- testcase_drv_stop,
- testcase_drv_run,
- NULL,
- NULL,
- "testcase_drv",
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- ERL_DRV_EXTENDED_MARKER,
- ERL_DRV_EXTENDED_MAJOR_VERSION,
- ERL_DRV_EXTENDED_MINOR_VERSION,
- 0,
- NULL,
- NULL,
- NULL
+ERL_NIF_TERM testcase_nif_start(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
+ERL_NIF_TERM testcase_nif_stop(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
+ERL_NIF_TERM testcase_nif_run(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
+
+ErlNifFunc testcase_nif_funcs[] =
+{
+ {"start", 1, testcase_nif_start},
+ {"run", 1, testcase_nif_run},
+ {"stop", 1, testcase_nif_stop}
};
+static ErlNifResourceType* testcase_rt;
+static ERL_NIF_TERM print_atom;
-DRIVER_INIT(testcase_drv)
+int testcase_nif_init(ErlNifEnv* env, void** priv_data, ERL_NIF_TERM load_info)
{
- testcase_drv_entry.driver_name = testcase_name();
- return &testcase_drv_entry;
+ testcase_rt = enif_open_resource_type(env, NULL, "testcase_rt", NULL,
+ ERL_NIF_RT_CREATE, NULL);
+
+ print_atom = enif_make_atom(env, "print");
+ return 0;
}
-ErlDrvData
-testcase_drv_start(ErlDrvPort port, char *command)
-{
+ERL_NIF_TERM
+testcase_nif_start(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{ /* (ThrNr, FreeMeg, BuildType) */
+ ERL_NIF_TERM ret;
InternalTestCaseState_t *itcs = (InternalTestCaseState_t *)
- driver_alloc(sizeof(InternalTestCaseState_t));
- if (!itcs) {
- return ERL_DRV_ERROR_GENERAL;
+ enif_alloc_resource(testcase_rt, sizeof(InternalTestCaseState_t));
+ int free_megabyte;
+ const int max_megabyte = INT_MAX / (1024*1024);
+ const ERL_NIF_TERM* tpl;
+ int tpl_arity;
+
+ if (!itcs
+ || !enif_get_tuple(env, argv[0], &tpl_arity, &tpl)
+ || tpl_arity != 3
+ || !enif_get_int(env, tpl[0], &itcs->visible.thr_nr)
+ || !enif_get_int(env, tpl[1], &free_megabyte)) {
+ enif_make_badarg(env);
}
-
+ itcs->visible.free_mem = (free_megabyte < max_megabyte ?
+ free_megabyte : max_megabyte) * (1024*1024);
itcs->visible.testcase_name = testcase_name();
+ itcs->visible.build_type = tpl[2];
itcs->visible.extra = NULL;
- itcs->port = port;
- itcs->port_id = driver_mk_port(port);
itcs->result = TESTCASE_FAILED;
itcs->comment = "";
- return (ErlDrvData) itcs;
+ ret = enif_make_resource(env, itcs);
+ enif_release_resource(itcs);
+ return ret;
}
-void
-testcase_drv_stop(ErlDrvData drv_data)
+ERL_NIF_TERM
+testcase_nif_stop(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
{
- testcase_cleanup((TestCaseState_t *) drv_data);
- driver_free((void *) drv_data);
+ InternalTestCaseState_t *itcs;
+ if (!enif_get_resource(env, argv[0], testcase_rt, (void**)&itcs))
+ return enif_make_badarg(env);
+ testcase_cleanup(&itcs->visible);
+ return enif_make_atom(env,"ok");
}
-void
-testcase_drv_run(ErlDrvData drv_data, char *buf, ErlDrvSizeT len)
+ERL_NIF_TERM
+testcase_nif_run(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
{
- InternalTestCaseState_t *itcs = (InternalTestCaseState_t *) drv_data;
- ErlDrvTermData result_atom;
- ErlDrvTermData msg[12];
+ InternalTestCaseState_t *itcs;
+ const char* result_atom;
+ jmp_buf the_jmp_buf;
+
+ if (!enif_get_resource(env, argv[0], testcase_rt, (void**)&itcs))
+ return enif_make_badarg(env);
- itcs->visible.command = buf;
- itcs->visible.command_len = len;
+ itcs->visible.curr_env = env;
- if (setjmp(itcs->done_jmp_buf) == 0) {
- testcase_run((TestCaseState_t *) itcs);
+ /* For some unknown reason, first call to setjmp crashes on win64
+ * when jmp_buf is allocated as part of the resource. But it works when
+ * allocated on stack. It used to work when this was a driver.
+ */
+ itcs->done_jmp_buf = &the_jmp_buf;
+
+ if (setjmp(the_jmp_buf) == 0) {
+ testcase_run(&itcs->visible);
itcs->result = TESTCASE_SUCCEEDED;
}
switch (itcs->result) {
- case TESTCASE_SUCCEEDED:
- result_atom = driver_mk_atom("succeeded");
- break;
- case TESTCASE_SKIPPED:
- result_atom = driver_mk_atom("skipped");
- break;
- case TESTCASE_FAILED:
+ case TESTCASE_CONTINUE:
+ return enif_make_atom(env, "continue");
+
+ case TESTCASE_SUCCEEDED: result_atom = "succeeded"; break;
+ case TESTCASE_SKIPPED: result_atom = "skipped"; break;
+ case TESTCASE_FAILED: result_atom = "failed"; break;
default:
- result_atom = driver_mk_atom("failed");
- break;
+ result_atom = "failed";
+ my_snprintf(itcs->comment_buf, sizeof(itcs->comment_buf),
+ "Unexpected test result code %d.", itcs->result);
+ itcs->comment = itcs->comment_buf;
}
- msg[0] = ERL_DRV_ATOM;
- msg[1] = (ErlDrvTermData) result_atom;
-
- msg[2] = ERL_DRV_PORT;
- msg[3] = itcs->port_id;
-
- msg[4] = ERL_DRV_ATOM;
- msg[5] = driver_mk_atom(itcs->visible.testcase_name);
-
- msg[6] = ERL_DRV_STRING;
- msg[7] = (ErlDrvTermData) itcs->comment;
- msg[8] = (ErlDrvTermData) strlen(itcs->comment);
-
- msg[9] = ERL_DRV_TUPLE;
- msg[10] = (ErlDrvTermData) 4;
-
- erl_drv_output_term(itcs->port_id, msg, 11);
+ return enif_make_tuple2(env, enif_make_atom(env, result_atom),
+ enif_make_string(env, itcs->comment, ERL_NIF_LATIN1));
}
int
@@ -172,34 +178,22 @@ testcase_assertion_failed(TestCaseState_t *tcs,
void
testcase_printf(TestCaseState_t *tcs, char *frmt, ...)
{
- InternalTestCaseState_t *itcs = (InternalTestCaseState_t *) tcs;
- ErlDrvTermData msg[12];
+ InternalTestCaseState_t* itcs = (InternalTestCaseState_t*)tcs;
+ ErlNifPid pid;
+ ErlNifEnv* msg_env = enif_alloc_env();
+ ERL_NIF_TERM msg;
va_list va;
va_start(va, frmt);
-#if HAVE_VSNPRINTF
- vsnprintf(itcs->comment_buf, COMMENT_BUF_SZ, frmt, va);
-#else
- vsprintf(itcs->comment_buf, frmt, va);
-#endif
+ my_vsnprintf(itcs->comment_buf, COMMENT_BUF_SZ, frmt, va);
va_end(va);
- msg[0] = ERL_DRV_ATOM;
- msg[1] = (ErlDrvTermData) driver_mk_atom("print");
+ msg = enif_make_tuple2(msg_env, print_atom,
+ enif_make_string(msg_env, itcs->comment_buf, ERL_NIF_LATIN1));
- msg[2] = ERL_DRV_PORT;
- msg[3] = itcs->port_id;
+ enif_send(itcs->visible.curr_env, enif_self(itcs->visible.curr_env, &pid),
+ msg_env, msg);
- msg[4] = ERL_DRV_ATOM;
- msg[5] = driver_mk_atom(itcs->visible.testcase_name);
-
- msg[6] = ERL_DRV_STRING;
- msg[7] = (ErlDrvTermData) itcs->comment_buf;
- msg[8] = (ErlDrvTermData) strlen(itcs->comment_buf);
-
- msg[9] = ERL_DRV_TUPLE;
- msg[10] = (ErlDrvTermData) 4;
-
- erl_drv_output_term(itcs->port_id, msg, 11);
+ enif_free_env(msg_env);
}
@@ -208,17 +202,13 @@ void testcase_succeeded(TestCaseState_t *tcs, char *frmt, ...)
InternalTestCaseState_t *itcs = (InternalTestCaseState_t *) tcs;
va_list va;
va_start(va, frmt);
-#if HAVE_VSNPRINTF
- vsnprintf(itcs->comment_buf, COMMENT_BUF_SZ, frmt, va);
-#else
- vsprintf(itcs->comment_buf, frmt, va);
-#endif
+ my_vsnprintf(itcs->comment_buf, COMMENT_BUF_SZ, frmt, va);
va_end(va);
itcs->result = TESTCASE_SUCCEEDED;
itcs->comment = itcs->comment_buf;
- longjmp(itcs->done_jmp_buf, 1);
+ longjmp(*itcs->done_jmp_buf, 1);
}
void testcase_skipped(TestCaseState_t *tcs, char *frmt, ...)
@@ -226,17 +216,20 @@ void testcase_skipped(TestCaseState_t *tcs, char *frmt, ...)
InternalTestCaseState_t *itcs = (InternalTestCaseState_t *) tcs;
va_list va;
va_start(va, frmt);
-#if HAVE_VSNPRINTF
- vsnprintf(itcs->comment_buf, COMMENT_BUF_SZ, frmt, va);
-#else
- vsprintf(itcs->comment_buf, frmt, va);
-#endif
+ my_vsnprintf(itcs->comment_buf, COMMENT_BUF_SZ, frmt, va);
va_end(va);
itcs->result = TESTCASE_SKIPPED;
itcs->comment = itcs->comment_buf;
- longjmp(itcs->done_jmp_buf, 1);
+ longjmp(*itcs->done_jmp_buf, 1);
+}
+
+void testcase_continue(TestCaseState_t *tcs)
+{
+ InternalTestCaseState_t *itcs = (InternalTestCaseState_t *) tcs;
+ itcs->result = TESTCASE_CONTINUE;
+ longjmp(*itcs->done_jmp_buf, 1);
}
void testcase_failed(TestCaseState_t *tcs, char *frmt, ...)
@@ -246,37 +239,33 @@ void testcase_failed(TestCaseState_t *tcs, char *frmt, ...)
size_t bufsz = sizeof(buf);
va_list va;
va_start(va, frmt);
-#if HAVE_VSNPRINTF
- vsnprintf(itcs->comment_buf, COMMENT_BUF_SZ, frmt, va);
-#else
- vsprintf(itcs->comment_buf, frmt, va);
-#endif
+ my_vsnprintf(itcs->comment_buf, COMMENT_BUF_SZ, frmt, va);
va_end(va);
itcs->result = TESTCASE_FAILED;
itcs->comment = itcs->comment_buf;
- if (erl_drv_getenv("ERL_ABORT_ON_FAILURE", buf, &bufsz) == 0
+ if (enif_getenv("ERL_ABORT_ON_FAILURE", buf, &bufsz) == 0
&& strcmp("true", buf) == 0) {
fprintf(stderr, "Testcase \"%s\" failed: %s\n",
itcs->visible.testcase_name, itcs->comment);
abort();
}
- longjmp(itcs->done_jmp_buf, 1);
+ longjmp(*itcs->done_jmp_buf, 1);
}
void *testcase_alloc(size_t size)
{
- return driver_alloc(size);
+ return enif_alloc(size);
}
void *testcase_realloc(void *ptr, size_t size)
{
- return driver_realloc(ptr, size);
+ return enif_realloc(ptr, size);
}
void testcase_free(void *ptr)
{
- driver_free(ptr);
+ enif_free(ptr);
}
diff --git a/erts/emulator/test/alloc_SUITE_data/testcase_driver.h b/erts/emulator/test/alloc_SUITE_data/testcase_driver.h
index 5d17eaec64..f0ca91bd06 100644
--- a/erts/emulator/test/alloc_SUITE_data/testcase_driver.h
+++ b/erts/emulator/test/alloc_SUITE_data/testcase_driver.h
@@ -20,13 +20,15 @@
#ifndef TESTCASE_DRIVER_H__
#define TESTCASE_DRIVER_H__
-#include "erl_driver.h"
+#include "erl_nif.h"
#include <stdlib.h>
typedef struct {
+ ErlNifEnv* curr_env;
char *testcase_name;
- char *command;
- int command_len;
+ int thr_nr;
+ int free_mem; /* in bytes */
+ ERL_NIF_TERM build_type; /* opt, debug, valgrind, ... */
void *extra;
} TestCaseState_t;
@@ -34,9 +36,11 @@ typedef struct {
((void) ((B) ? 1 : testcase_assertion_failed((TCS), __FILE__, __LINE__, #B)))
+int testcase_nif_init(ErlNifEnv* env, void** priv_data, ERL_NIF_TERM load_info);
void testcase_printf(TestCaseState_t *tcs, char *frmt, ...);
void testcase_succeeded(TestCaseState_t *tcs, char *frmt, ...);
void testcase_skipped(TestCaseState_t *tcs, char *frmt, ...);
+void testcase_continue(TestCaseState_t *tcs);
void testcase_failed(TestCaseState_t *tcs, char *frmt, ...);
int testcase_assertion_failed(TestCaseState_t *tcs, char *file, int line,
char *assertion);
@@ -45,8 +49,11 @@ void *testcase_realloc(void *ptr, size_t size);
void testcase_free(void *ptr);
+/* Implemented by testcase: */
char *testcase_name(void);
void testcase_run(TestCaseState_t *tcs);
void testcase_cleanup(TestCaseState_t *tcs);
-#endif
+extern ErlNifFunc testcase_nif_funcs[3];
+
+#endif /* TESTCASE_DRIVER_H__ */
diff --git a/erts/emulator/test/alloc_SUITE_data/threads.c b/erts/emulator/test/alloc_SUITE_data/threads.c
index edad24ee6b..a8a6a23695 100644
--- a/erts/emulator/test/alloc_SUITE_data/threads.c
+++ b/erts/emulator/test/alloc_SUITE_data/threads.c
@@ -86,7 +86,7 @@ static void fail(int t_no, char *frmt, ...)
tc_failed = 1;
- if (erl_drv_getenv("ERL_ABORT_ON_FAILURE", buf, &bufsz) == 0
+ if (enif_getenv("ERL_ABORT_ON_FAILURE", buf, &bufsz) == 0
&& strcmp("true", buf) == 0) {
fprintf(stderr, "Testcase \"%s\" failed: %s\n",
testcase_name(), err_buf);
@@ -187,7 +187,6 @@ testcase_run(TestCaseState_t *tcs)
for(i = 1; i <= NO_OF_THREADS; i++) {
char *alc;
- int res;
threads[i].arg.no_ops_per_bl = NO_OF_OPS_PER_BL;
@@ -446,3 +445,6 @@ thread_func(void *arg)
exit_thread(td->t_no, 1);
return NULL;
}
+
+ERL_NIF_INIT(threads, testcase_nif_funcs, testcase_nif_init,
+ NULL, NULL, NULL);
diff --git a/erts/emulator/test/alloc_SUITE_data/threads.erl b/erts/emulator/test/alloc_SUITE_data/threads.erl
new file mode 100644
index 0000000000..a7b4965f5e
--- /dev/null
+++ b/erts/emulator/test/alloc_SUITE_data/threads.erl
@@ -0,0 +1,10 @@
+-module(threads).
+
+-export([init/1, start/1, run/1, stop/1]).
+
+init(File) ->
+ ok = erlang:load_nif(File, 0).
+
+start(_) -> erlang:nif_error(not_loaded).
+run(_) -> erlang:nif_error(not_loaded).
+stop(_) -> erlang:nif_error(not_loaded).