aboutsummaryrefslogtreecommitdiffstats
path: root/erts
diff options
context:
space:
mode:
Diffstat (limited to 'erts')
-rw-r--r--erts/.gitignore1
-rw-r--r--erts/configure.in5
-rw-r--r--erts/doc/src/erl_driver.xml37
-rw-r--r--erts/emulator/beam/erl_ptab.c139
-rw-r--r--erts/emulator/beam/erl_ptab.h2
-rw-r--r--erts/emulator/test/Makefile3
-rw-r--r--erts/emulator/test/emulator_smoke.spec3
-rw-r--r--erts/etc/Makefile3
-rw-r--r--erts/etc/unix/Makefile46
-rw-r--r--erts/etc/unix/etp-commands.in (renamed from erts/etc/unix/etp-commands)4
-rw-r--r--erts/etc/unix/etp-thr.py55
-rw-r--r--erts/include/internal/ethread.h4
-rw-r--r--erts/include/internal/gcc/ethread.h5
-rw-r--r--erts/test/Makefile2
-rw-r--r--erts/test/system_smoke.spec3
15 files changed, 237 insertions, 75 deletions
diff --git a/erts/.gitignore b/erts/.gitignore
index 526d5da0b9..e515dc8811 100644
--- a/erts/.gitignore
+++ b/erts/.gitignore
@@ -11,6 +11,7 @@
/etc/common/Install
/etc/common/erl.src
+/etc/unix/etp-commands
/test/Emakefile
/test/*.beam
diff --git a/erts/configure.in b/erts/configure.in
index 2f624e5853..64436e933c 100644
--- a/erts/configure.in
+++ b/erts/configure.in
@@ -1051,12 +1051,15 @@ if test $ERTS_BUILD_SMP_EMU = yes; then
AC_DEFINE(ERTS_HAVE_SMP_EMU, 1, [Define if the smp emulator is built])
+ test "X$smp_require_native_atomics" = "Xyes" &&
+ AC_DEFINE(ETHR_SMP_REQUIRE_NATIVE_IMPLS, 1, [Define if you want to enable check for native ethread implementations])
+
case "$ethr_have_native_atomics-$smp_require_native_atomics-$ethr_have_native_spinlock" in
yes-*)
;;
no-yes-*)
- AC_MSG_ERROR([No native atomic implementation found. See INSTALL.md for more information.])
+ AC_MSG_ERROR([No native atomic implementation found. See Configuring section in INSTALL.md for more information.])
;;
no-no-yes)
diff --git a/erts/doc/src/erl_driver.xml b/erts/doc/src/erl_driver.xml
index efe0483b31..f52d973709 100644
--- a/erts/doc/src/erl_driver.xml
+++ b/erts/doc/src/erl_driver.xml
@@ -666,7 +666,7 @@ typedef struct ErlDrvBinary {
<item>
<p>The <c>ErlDrvData</c> is a handle to driver-specific data,
passed to the driver call-backs. It is a pointer, and is
- most often type casted to a specific pointer in the driver.</p>
+ most often type cast to a specific pointer in the driver.</p>
</item>
<tag>SysIOVec</tag>
<item>
@@ -1014,7 +1014,7 @@ typedef struct ErlIOVec {
<fsummary>Read a system timestamp</fsummary>
<desc>
<marker id="driver_get_now"></marker>
- <p>This function reads a timestamp into the memory pointed to by
+ <p>This function reads a timestamp into the memory pointed to by
the parameter <c>now</c>. See the description of <seealso marker="#ErlDrvNowData">ErlDrvNowData</seealso> for
specification of its fields. </p>
<p>The return value is 0 unless the <c>now</c> pointer is not
@@ -1056,7 +1056,7 @@ typedef struct ErlIOVec {
returned. Another thread may still be using the event object
internally. To safely close an event object call
<c>driver_select</c> with <c>ERL_DRV_USE</c> and <c>on==0</c>. That
- will clear all events and then call
+ will clear all events and then call
<seealso marker="driver_entry#stop_select">stop_select</seealso>
when it is safe to close the event object.
<c>ERL_DRV_USE</c> should be set together with the first event
@@ -1068,7 +1068,7 @@ typedef struct ErlIOVec {
<p>ERL_DRV_USE was added in OTP release R13. Old drivers will still work
as before. But it is recommended to update them to use <c>ERL_DRV_USE</c> and
<c>stop_select</c> to make sure that event objects are closed in a safe way.</p>
- </note>
+ </note>
<p>The return value is 0 (failure, -1, only if the
<c>ready_input</c>/<c>ready_output</c> is
<c>NULL</c>).</p>
@@ -1524,7 +1524,7 @@ typedef struct ErlIOVec {
<marker id="remove_driver_entry"></marker>
<p>This function removes a driver entry <c>de</c> previously
added with <c>add_driver_entry</c>.</p>
- <p>Driver entries added by the <c>erl_ddll</c> erlang interface can
+ <p>Driver entries added by the <c>erl_ddll</c> erlang interface can
not be removed by using this interface.</p>
</desc>
</func>
@@ -1758,7 +1758,7 @@ typedef struct ErlIOVec {
<pre>
Term type Argument(s)
===========================================
-ERL_DRV_NIL
+ERL_DRV_NIL
ERL_DRV_ATOM ErlDrvTermData atom (from driver_mk_atom(char *string))
ERL_DRV_INT ErlDrvSInt integer
ERL_DRV_UINT ErlDrvUInt integer
@@ -1779,11 +1779,11 @@ ERL_DRV_EXT2TERM char *buf, ErlDrvUInt len
signed integer data type <c>ErlDrvSInt</c> are 64 bits wide
on a 64 bit runtime system and 32 bits wide on a 32 bit
runtime system. They were introduced in erts version 5.6,
- and replaced some of the <c>int</c> arguments in the list above.
+ and replaced some of the <c>int</c> arguments in the list above.
</p>
<p>The unsigned integer data type <c>ErlDrvUInt64</c> and the
signed integer data type <c>ErlDrvSInt64</c> are always 64 bits
- wide. They were introduced in erts version 5.7.4.
+ wide. They were introduced in erts version 5.7.4.
</p>
<p>To build the tuple <c>{tcp, Port, [100 | Binary]}</c>, the
@@ -1879,7 +1879,7 @@ ERL_DRV_EXT2TERM char *buf, ErlDrvUInt len
<fsummary>Send term data from driver to port owner</fsummary>
<desc>
<marker id="driver_output_term"></marker>
- <warning><p><c>driver_output_term()</c> is deferred and will
+ <warning><p><c>driver_output_term()</c> is deprecated and will
be removed in the OTP-R17 release. Use
<seealso marker="#erl_drv_send_term">erl_drv_output_term()</seealso>
instead.</p>
@@ -1937,7 +1937,7 @@ ERL_DRV_EXT2TERM char *buf, ErlDrvUInt len
<fsummary>Send term data to other process than port owner process</fsummary>
<desc>
<marker id="driver_send_term"></marker>
- <warning><p><c>driver_send_term()</c> is deferred and will
+ <warning><p><c>driver_send_term()</c> is deprecated and will
be removed in the OTP-R17 release. Use
<seealso marker="#erl_drv_send_term">erl_drv_send_term()</seealso>
instead.</p>
@@ -1998,7 +1998,7 @@ ERL_DRV_EXT2TERM char *buf, ErlDrvUInt len
The data should be freed in <c>async_free</c>, because it's
called if <c>driver_async_cancel</c> is called.</p>
<p>When the async operation is done, <seealso marker="driver_entry#ready_async">ready_async</seealso> driver
- entry function is called. If <c>async_ready</c> is null in
+ entry function is called. If <c>ready_async</c> is null in
the driver entry, the <c>async_free</c> function is called
instead.</p>
<p>The return value is a handle to the asynchronous task, which
@@ -2035,7 +2035,7 @@ ERL_DRV_EXT2TERM char *buf, ErlDrvUInt len
as of OTP-R15B <c>driver_async_cancel()</c> is deprecated, and
scheduled for removal in OTP-R16. It will currently always fail,
and return 0.</p>
- <warning><p><c>driver_async_cancel()</c> is deferred and will
+ <warning><p><c>driver_async_cancel()</c> is deprecated and will
be removed in the OTP-R16 release.</p>
</warning>
@@ -2048,7 +2048,7 @@ ERL_DRV_EXT2TERM char *buf, ErlDrvUInt len
<marker id="driver_lock_driver"></marker>
<p>This function locks the driver used by the port <c>port</c>
in memory for the rest of the emulator process'
- lifetime. After this call, the driver behaves as one of Erlang's
+ lifetime. After this call, the driver behaves as one of Erlang's
statically linked in drivers.</p>
</desc>
</func>
@@ -2076,7 +2076,7 @@ ERL_DRV_EXT2TERM char *buf, ErlDrvUInt len
<seealso marker="driver_entry">driver_entry</seealso>).</item>
<tag><c>drv_data</c></tag>
<item>The driver defined handle that will be passed in subsequent
- calls to driver call-backs. Note, that the
+ calls to driver call-backs. Note, that the
<seealso marker="driver_entry#start">driver start call-back</seealso>
will not be called for this new driver instance.
The driver defined handle is normally created in the
@@ -2284,7 +2284,7 @@ ERL_DRV_EXT2TERM char *buf, ErlDrvUInt len
<item>A thread identifier.</item>
</taglist>
<p>This function compares two thread identifiers for equality,
- and returns <c>0</c> it they aren't equal, and
+ and returns <c>0</c> it they aren't equal, and
a value not equal to <c>0</c> if they are equal.</p>
<note><p>A Thread identifier may be reused very quickly after
a thread has terminated. Therefore, if a thread
@@ -2469,7 +2469,7 @@ ERL_DRV_EXT2TERM char *buf, ErlDrvUInt len
</taglist>
<p>This function broadcasts on a condition variable. That is, if
other threads are waiting on the condition variable being
- broadcasted on, <em>all</em> of them will be woken.
+ broadcast on, <em>all</em> of them will be woken.
</p>
<p>This function is thread-safe.</p>
</desc>
@@ -2498,7 +2498,7 @@ ERL_DRV_EXT2TERM char *buf, ErlDrvUInt len
the calling thread when calling this function.
</p>
<note><p><c>erl_drv_cond_wait()</c> might return even though
- no-one has signaled or broadcasted on the condition
+ no-one has signaled or broadcast on the condition
variable. Code calling <c>erl_drv_cond_wait()</c> should
always be prepared for <c>erl_drv_cond_wait()</c>
returning even though the condition that the thread was
@@ -2822,7 +2822,7 @@ ERL_DRV_EXT2TERM char *buf, ErlDrvUInt len
<item>A pointer to an output buffer.</item>
<tag><c>value_size</c></tag>
<item>A pointer to an integer. The integer is both used for
- passing input and output sizes (see below).
+ passing input and output sizes (see below).
</item>
</taglist>
<p>This function retrieves the value of an environment variable.
@@ -2900,4 +2900,3 @@ ERL_DRV_EXT2TERM char *buf, ErlDrvUInt len
Guide Ch. 3)</p>
</section>
</cref>
-
diff --git a/erts/emulator/beam/erl_ptab.c b/erts/emulator/beam/erl_ptab.c
index d69619dd44..fa5482b841 100644
--- a/erts/emulator/beam/erl_ptab.c
+++ b/erts/emulator/beam/erl_ptab.c
@@ -433,7 +433,7 @@ erts_ptab_mem_size(ErtsPTab *ptab)
{
UWord size = ptab->r.o.max*sizeof(erts_smp_atomic_t);
if (ptab->r.o.free_id_data)
- size += ptab->r.o.max*sizeof(Uint32);
+ size += ptab->r.o.max*sizeof(erts_smp_atomic32_t);
return size;
}
@@ -474,7 +474,7 @@ erts_ptab_init_table(ErtsPTab *ptab,
tab_sz = ERTS_ALC_CACHE_LINE_ALIGN_SIZE(size*sizeof(erts_smp_atomic_t));
alloc_sz = tab_sz;
if (!legacy)
- alloc_sz += ERTS_ALC_CACHE_LINE_ALIGN_SIZE(size*sizeof(Uint32));
+ alloc_sz += ERTS_ALC_CACHE_LINE_ALIGN_SIZE(size*sizeof(erts_smp_atomic32_t));
ptab->r.o.tab = erts_alloc_permanent_cache_aligned(atype, alloc_sz);
tab_end = ((char *) ptab->r.o.tab) + tab_sz;
tab_entry = ptab->r.o.tab;
@@ -497,6 +497,10 @@ erts_ptab_init_table(ErtsPTab *ptab,
ASSERT(ptab->r.o.pix_cl_shift + ptab->r.o.pix_cli_shift == bits);
+ ptab->r.o.invalid_element = invalid_element;
+ ptab->r.o.invalid_data = erts_ptab_id2data(ptab, invalid_element->id);
+ ptab->r.o.release_element = release_element;
+
if (legacy) {
ptab->r.o.free_id_data = NULL;
ptab->r.o.dix_cl_mask = 0;
@@ -506,11 +510,11 @@ erts_ptab_init_table(ErtsPTab *ptab,
}
else {
- tab_sz = ERTS_ALC_CACHE_LINE_ALIGN_SIZE(size*sizeof(Uint32));
- ptab->r.o.free_id_data = (Uint32 *) tab_end;
+ tab_sz = ERTS_ALC_CACHE_LINE_ALIGN_SIZE(size*sizeof(erts_smp_atomic32_t));
+ ptab->r.o.free_id_data = (erts_smp_atomic32_t *) tab_end;
tab_cache_lines = tab_sz/ERTS_CACHE_LINE_SIZE;
- ix_per_cache_line = (ERTS_CACHE_LINE_SIZE/sizeof(Uint32));
+ ix_per_cache_line = (ERTS_CACHE_LINE_SIZE/sizeof(erts_smp_atomic32_t));
ptab->r.o.dix_cl_mask = tab_cache_lines-1;
ptab->r.o.dix_cl_shift = erts_fit_in_bits_int32(ix_per_cache_line-1);
@@ -525,7 +529,9 @@ erts_ptab_init_table(ErtsPTab *ptab,
ix = 0;
for (cl = 0; cl < tab_cache_lines; cl++) {
for (cli = 0; cli < ix_per_cache_line; cli++) {
- ptab->r.o.free_id_data[ix] = cli*tab_cache_lines+cl;
+ erts_smp_atomic32_init_nob(&ptab->r.o.free_id_data[ix],
+ cli*tab_cache_lines+cl);
+ ASSERT(erts_smp_atomic32_read_nob(&ptab->r.o.free_id_data[ix]) != ptab->r.o.invalid_data);
ix++;
}
}
@@ -534,9 +540,6 @@ erts_ptab_init_table(ErtsPTab *ptab,
erts_smp_atomic32_init_nob(&ptab->vola.tile.fid_ix, -1);
}
- ptab->r.o.invalid_element = invalid_element;
- ptab->r.o.invalid_data = erts_ptab_id2data(ptab, invalid_element->id);
- ptab->r.o.release_element = release_element;
erts_smp_interval_init(&ptab->list.data.interval);
ptab->list.data.deleted.start = NULL;
@@ -606,11 +609,13 @@ erts_ptab_new_element(ErtsPTab *ptab,
= erts_smp_current_interval_nob(erts_ptab_interval(ptab));
if (ptab->r.o.free_id_data) {
+ do {
+ ix = (Uint32) erts_smp_atomic32_inc_read_acqb(&ptab->vola.tile.aid_ix);
+ ix = ix_to_free_id_data_ix(ptab, ix);
- ix = (Uint32) erts_smp_atomic32_inc_read_acqb(&ptab->vola.tile.aid_ix);
- ix = ix_to_free_id_data_ix(ptab, ix);
-
- data = ptab->r.o.free_id_data[ix];
+ data = erts_smp_atomic32_xchg_nob(&ptab->r.o.free_id_data[ix],
+ (erts_aint32_t)ptab->r.o.invalid_data);
+ }while ((Eterm)data == ptab->r.o.invalid_data);
init_ptab_el(init_arg, (Eterm) data);
@@ -763,7 +768,7 @@ erts_ptab_delete_element(ErtsPTab *ptab,
erts_smp_atomic_set_relb(&ptab->r.o.tab[pix], ERTS_AINT_NULL);
if (ptab->r.o.free_id_data) {
-
+ Uint32 prev_data;
/* Next data for this slot... */
data = (Uint32) erts_ptab_id2data(ptab, ptab_el->id);
data += ptab->r.o.max;
@@ -772,14 +777,17 @@ erts_ptab_delete_element(ErtsPTab *ptab,
data += ptab->r.o.max;
data &= ~(~((Uint32) 0) << ERTS_PTAB_ID_DATA_SIZE);
}
-
ASSERT(data != ptab->r.o.invalid_data);
ASSERT(pix == erts_ptab_data2pix(ptab, data));
- ix = (Uint32) erts_smp_atomic32_inc_read_relb(&ptab->vola.tile.fid_ix);
- ix = ix_to_free_id_data_ix(ptab, ix);
-
- ptab->r.o.free_id_data[ix] = data;
+ do {
+ ix = (Uint32) erts_smp_atomic32_inc_read_relb(&ptab->vola.tile.fid_ix);
+ ix = ix_to_free_id_data_ix(ptab, ix);
+
+ prev_data = erts_smp_atomic32_cmpxchg_nob(&ptab->r.o.free_id_data[ix],
+ data,
+ ptab->r.o.invalid_data);
+ }while ((Eterm)prev_data != ptab->r.o.invalid_data);
}
ASSERT(erts_smp_atomic32_read_nob(&ptab->vola.tile.count) > 0);
@@ -1392,6 +1400,31 @@ erts_ptab_init(void)
* Debug stuff
*/
+static void assert_ptab_consistency(ErtsPTab *ptab)
+{
+#ifdef DEBUG
+ if (ptab->r.o.free_id_data) {
+ Uint32 ix, pix, data;
+ int free_pids = 0;
+ int null_slots = 0;
+
+ for (ix=0; ix < ptab->r.o.max; ix++) {
+ if (erts_smp_atomic32_read_nob(&ptab->r.o.free_id_data[ix]) != ptab->r.o.invalid_data) {
+ ++free_pids;
+ data = erts_smp_atomic32_read_nob(&ptab->r.o.free_id_data[ix]);
+ pix = erts_ptab_data2pix(ptab, (Eterm) data);
+ ASSERT(erts_ptab_pix2intptr_nob(ptab, pix) == ERTS_AINT_NULL);
+ }
+ if (erts_smp_atomic_read_nob(&ptab->r.o.tab[ix]) == ERTS_AINT_NULL) {
+ ++null_slots;
+ }
+ }
+ ASSERT(free_pids == null_slots);
+ ASSERT(free_pids == ptab->r.o.max - erts_smp_atomic32_read_nob(&ptab->vola.tile.count));
+ }
+#endif
+}
+
Sint
erts_ptab_test_next_id(ErtsPTab *ptab, int set, Uint next)
{
@@ -1402,46 +1435,49 @@ erts_ptab_test_next_id(ErtsPTab *ptab, int set, Uint next)
erts_ptab_rwlock(ptab);
+ assert_ptab_consistency(ptab);
+
if (ptab->r.o.free_id_data) {
- Uint32 aid_ix, dix;
+ Uint32 id_ix, dix;
if (set) {
- Uint32 max_ix, ser, num, start;
+ Uint32 i, max_ix, num, stop_id_ix;
max_ix = ptab->r.o.max - 1;
- ser = next & ~max_ix;
- start = num = next & max_ix;
-
- aid_ix = (Uint32) erts_smp_atomic32_read_nob(&ptab->vola.tile.aid_ix) + 1;
-
- do {
- Uint32 pix = erts_ptab_data2pix(ptab, num);
+ num = next;
+ id_ix = (Uint32) erts_smp_atomic32_read_nob(&ptab->vola.tile.aid_ix);
+
+ for (i=0; i <= max_ix; ++i) {
+ Uint32 pix;
+ ++num;
+ num &= ~(~((Uint32) 0) << ERTS_PTAB_ID_DATA_SIZE);
+ if (num == ptab->r.o.invalid_data) {
+ num += ptab->r.o.max;
+ num &= ~(~((Uint32) 0) << ERTS_PTAB_ID_DATA_SIZE);
+ }
+ pix = erts_ptab_data2pix(ptab, num);
if (ERTS_AINT_NULL == erts_ptab_pix2intptr_nob(ptab, pix)) {
- dix = ix_to_free_id_data_ix(ptab, aid_ix);
- ptab->r.o.free_id_data[dix] = ser + num;
- ASSERT(pix == erts_ptab_data2pix(ptab, ser+num));
- if (aid_ix == max_ix)
- aid_ix = 0;
- else
- aid_ix++;
+ ++id_ix;
+ dix = ix_to_free_id_data_ix(ptab, id_ix);
+ erts_smp_atomic32_set_nob(&ptab->r.o.free_id_data[dix], num);
+ ASSERT(pix == erts_ptab_data2pix(ptab, num));
}
- if (num == max_ix)
- num = 0;
- else
- num++;
- } while (num != start);
+ }
+ erts_smp_atomic32_set_nob(&ptab->vola.tile.fid_ix, id_ix);
-#ifdef DEBUG
- if (aid_ix == 0)
- aid_ix = max_ix;
- else
- aid_ix--;
- ASSERT((aid_ix & max_ix) == (((Uint32) erts_smp_atomic32_read_nob(&ptab->vola.tile.fid_ix)) & max_ix));
-#endif
+ /* Write invalid_data in rest of free_id_data[]: */
+ stop_id_ix = (1 + erts_smp_atomic32_read_nob(&ptab->vola.tile.aid_ix)) & max_ix;
+ while (1) {
+ id_ix = (id_ix+1) & max_ix;
+ if (id_ix == stop_id_ix)
+ break;
+ dix = ix_to_free_id_data_ix(ptab, id_ix);
+ erts_smp_atomic32_set_nob(&ptab->r.o.free_id_data[dix],
+ ptab->r.o.invalid_data);
+ }
}
-
- aid_ix = (Uint32) erts_smp_atomic32_read_nob(&ptab->vola.tile.aid_ix) + 1;
- dix = ix_to_free_id_data_ix(ptab, aid_ix);
- res = (Sint) ptab->r.o.free_id_data[dix];
+ id_ix = (Uint32) erts_smp_atomic32_read_nob(&ptab->vola.tile.aid_ix) + 1;
+ dix = ix_to_free_id_data_ix(ptab, id_ix);
+ res = (Sint) erts_smp_atomic32_read_nob(&ptab->r.o.free_id_data[dix]);
}
else {
/* Deprecated legacy algorithm... */
@@ -1485,6 +1521,7 @@ erts_ptab_test_next_id(ErtsPTab *ptab, int set, Uint next)
}
}
+ assert_ptab_consistency(ptab);
erts_ptab_rwunlock(ptab);
return res;
diff --git a/erts/emulator/beam/erl_ptab.h b/erts/emulator/beam/erl_ptab.h
index c2d8bd9cad..e3e05f14af 100644
--- a/erts/emulator/beam/erl_ptab.h
+++ b/erts/emulator/beam/erl_ptab.h
@@ -100,7 +100,7 @@ typedef struct {
typedef struct {
erts_smp_atomic_t *tab;
- Uint32 *free_id_data;
+ erts_smp_atomic32_t *free_id_data;
Uint32 max;
Uint32 pix_mask;
Uint32 pix_cl_mask;
diff --git a/erts/emulator/test/Makefile b/erts/emulator/test/Makefile
index 9594ab48b1..f02ca3cb98 100644
--- a/erts/emulator/test/Makefile
+++ b/erts/emulator/test/Makefile
@@ -140,7 +140,8 @@ EMAKEFILE=Emakefile
TEST_SPEC_FILES= emulator.spec \
emulator.spec.win \
- emulator_bench.spec
+ emulator_bench.spec \
+ emulator_smoke.spec
# ----------------------------------------------------
# Release directory specification
diff --git a/erts/emulator/test/emulator_smoke.spec b/erts/emulator/test/emulator_smoke.spec
new file mode 100644
index 0000000000..3219aeb823
--- /dev/null
+++ b/erts/emulator/test/emulator_smoke.spec
@@ -0,0 +1,3 @@
+{suites,"../emulator_test",[smoke_test_SUITE,time_SUITE]}.
+{cases,"../emulator_test",crypto_SUITE,[t_md5]}.
+{cases,"../emulator_test",float_SUITE,[fpe,cmp_integer]}. \ No newline at end of file
diff --git a/erts/etc/Makefile b/erts/etc/Makefile
index 2b32b8ae50..5b54ef9c3e 100644
--- a/erts/etc/Makefile
+++ b/erts/etc/Makefile
@@ -18,10 +18,11 @@
#
include $(ERL_TOP)/make/target.mk
-
SUB_DIRECTORIES = common
ifeq ($(TARGET),win32)
SUB_DIRECTORIES += win32
+else
+SUB_DIRECTORIES += unix
endif
include $(ERL_TOP)/make/otp_subdir.mk
diff --git a/erts/etc/unix/Makefile b/erts/etc/unix/Makefile
new file mode 100644
index 0000000000..e85d2fab0c
--- /dev/null
+++ b/erts/etc/unix/Makefile
@@ -0,0 +1,46 @@
+#
+# %CopyrightBegin%
+#
+# Copyright Ericsson AB 2013. 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%
+#
+
+include $(ERL_TOP)/make/output.mk
+include $(ERL_TOP)/make/target.mk
+
+include $(ERL_TOP)/make/$(TARGET)/otp.mk
+include ../../vsn.mk
+
+opt debug: etc
+
+.PHONY: etc
+etc: etp-commands
+
+etp-commands: etp-commands.in
+ sed 's:@ERL_TOP@:${ERL_TOP}:g' etp-commands.in > etp-commands
+
+.PHONY: docs
+docs:
+
+.PHONY: clean
+clean:
+
+# ----------------------------------------------------
+# Release Target
+# ----------------------------------------------------
+include $(ERL_TOP)/make/otp_release_targets.mk
+
+.PHONY: release_spec
+release_spec: etc \ No newline at end of file
diff --git a/erts/etc/unix/etp-commands b/erts/etc/unix/etp-commands.in
index 35f75df5c1..54ff7b3e3a 100644
--- a/erts/etc/unix/etp-commands
+++ b/erts/etc/unix/etp-commands.in
@@ -2757,6 +2757,10 @@ document etp-run
%---------------------------------------------------------------------------
end
+define etp-thr
+ source @ERL_TOP@/erts/etc/unix/etp-thr.py
+end
+
############################################################################
# Toolbox parameter handling
#
diff --git a/erts/etc/unix/etp-thr.py b/erts/etc/unix/etp-thr.py
new file mode 100644
index 0000000000..64fb858d20
--- /dev/null
+++ b/erts/etc/unix/etp-thr.py
@@ -0,0 +1,55 @@
+#
+# %CopyrightBegin%
+#
+# Copyright Ericsson AB 2013. 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%
+#
+
+def get_thread_name(t):
+ f = gdb.newest_frame();
+ while f:
+ if f.name() == "async_main":
+ return "async";
+ elif f.name() == "erts_sys_main_thread":
+ return "main";
+ elif f.name() == "signal_dispatcher_thread_func":
+ return "signal_dispatcher";
+ elif f.name() == "sys_msg_dispatcher_func":
+ return "sys_msg_dispatcher";
+ elif f.name() == "child_waiter":
+ return "child_waiter";
+ elif f.name() == "sched_thread_func":
+ return "scheduler";
+ elif f.name() == "aux_thread":
+ return "aux";
+ f = f.older();
+ return "unknown";
+
+
+curr_thread = gdb.selected_thread();
+
+for i in gdb.inferiors():
+ gdb.write(" Id Thread Name Frame\n");
+ for t in i.threads():
+ t.switch();
+ if curr_thread == t:
+ gdb.write("*");
+ else:
+ gdb.write(" ");
+ gdb.write("{0:<3} {1:20} {2}\n".format(
+ t.num,get_thread_name(t),
+ gdb.newest_frame().name()));
+
+curr_thread.switch();
diff --git a/erts/include/internal/ethread.h b/erts/include/internal/ethread.h
index 407097d4b1..38b8e9e9b6 100644
--- a/erts/include/internal/ethread.h
+++ b/erts/include/internal/ethread.h
@@ -361,6 +361,10 @@ extern ethr_runtime_t ethr_runtime__;
# endif
#endif /* !ETHR_DISABLE_NATIVE_IMPLS */
+#if !defined(ETHR_HAVE_NATIVE_ATOMIC32) && !defined(ETHR_HAVE_NATIVE_ATOMIC64) && !defined(ETHR_DISABLE_NATIVE_IMPLS) && defined(ETHR_SMP_REQUIRE_NATIVE_IMPLS)
+#error "No native ethread implementation found. If you want to use fallbacks you have to disable native ethread support with configure."
+#endif
+
#include "ethr_atomics.h" /* The atomics API */
#if defined(__GNUC__)
diff --git a/erts/include/internal/gcc/ethread.h b/erts/include/internal/gcc/ethread.h
index fcfdc39441..365a3535cf 100644
--- a/erts/include/internal/gcc/ethread.h
+++ b/erts/include/internal/gcc/ethread.h
@@ -25,6 +25,9 @@
#ifndef ETHREAD_GCC_H__
#define ETHREAD_GCC_H__
+#if defined(ETHR_HAVE___SYNC_VAL_COMPARE_AND_SWAP32) \
+ || defined(ETHR_HAVE___SYNC_VAL_COMPARE_AND_SWAP64)
+
#ifndef ETHR_MEMBAR
# include "ethr_membar.h"
#endif
@@ -46,3 +49,5 @@
#endif
#endif
+
+#endif
diff --git a/erts/test/Makefile b/erts/test/Makefile
index 6b409e2f1b..74a5bb1ccc 100644
--- a/erts/test/Makefile
+++ b/erts/test/Makefile
@@ -79,7 +79,7 @@ release_spec:
release_tests_spec: opt
$(INSTALL_DIR) "$(RELSYSDIR)"
- $(INSTALL_DATA) system.spec system.dynspec \
+ $(INSTALL_DATA) system.spec system.dynspec system_smoke.spec \
$(ERL_FILES) $(TARGET_FILES) "$(RELSYSDIR)"
chmod -R u+w "$(RELSYSDIR)"
tar cf - *_SUITE_data utils | (cd "$(RELSYSDIR)"; tar xf -)
diff --git a/erts/test/system_smoke.spec b/erts/test/system_smoke.spec
new file mode 100644
index 0000000000..933d1ba22d
--- /dev/null
+++ b/erts/test/system_smoke.spec
@@ -0,0 +1,3 @@
+{suites,"../system_test",[ethread_SUITE]}.
+{cases,"../system_test",otp_SUITE,[undefined_functions]}.
+{skip_cases,"../system_test",ethread_SUITE,[max_threads],"Skip"}.