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-rw-r--r--.gitignore1
-rw-r--r--erts/doc/src/erl_nif.xml13
-rw-r--r--erts/emulator/beam/beam_debug.c8
-rw-r--r--erts/emulator/beam/break.c11
-rw-r--r--erts/emulator/beam/copy.c2
-rw-r--r--erts/emulator/beam/dist.c4
-rw-r--r--erts/emulator/beam/erl_alloc.c6
-rw-r--r--erts/emulator/beam/erl_alloc_util.c36
-rw-r--r--erts/emulator/beam/erl_bif_info.c4
-rw-r--r--erts/emulator/beam/erl_db.c2
-rw-r--r--erts/emulator/beam/erl_db_util.c42
-rw-r--r--erts/emulator/beam/erl_nif.c5
-rw-r--r--erts/emulator/beam/erl_nif.h3
-rw-r--r--erts/emulator/beam/erl_nif_api_funcs.h21
-rw-r--r--erts/emulator/beam/erl_process.c8
-rw-r--r--erts/emulator/beam/erl_process_dump.c4
-rw-r--r--erts/emulator/beam/global.h2
-rw-r--r--erts/emulator/beam/io.c6
-rw-r--r--erts/emulator/drivers/common/gzio.c2
-rw-r--r--erts/emulator/hipe/hipe_debug.c6
-rw-r--r--erts/emulator/sys/common/erl_mseg.c24
-rw-r--r--erts/emulator/test/code_SUITE.erl15
-rw-r--r--erts/emulator/test/nif_SUITE.erl10
-rw-r--r--erts/emulator/test/nif_SUITE_data/nif_SUITE.c18
-rw-r--r--erts/lib_src/common/erl_printf_format.c27
-rw-r--r--lib/crypto/c_src/crypto.c61
-rw-r--r--lib/crypto/doc/src/crypto.xml42
-rw-r--r--lib/crypto/doc/src/notes.xml17
-rw-r--r--lib/crypto/src/crypto.erl25
-rw-r--r--lib/crypto/test/crypto_SUITE.erl33
-rw-r--r--lib/crypto/vsn.mk2
-rw-r--r--lib/kernel/src/inet_res.erl203
-rw-r--r--lib/kernel/test/file_SUITE.erl4
-rw-r--r--lib/kernel/test/inet_res_SUITE.erl127
-rw-r--r--lib/ssh/doc/src/notes.xml13
-rw-r--r--lib/ssh/src/ssh.appup.src26
-rwxr-xr-xlib/ssh/src/ssh_bits.erl56
-rw-r--r--lib/ssh/src/ssh_connection_handler.erl4
-rw-r--r--lib/ssh/vsn.mk2
-rw-r--r--lib/ssl/doc/src/ssl.xml2
-rw-r--r--lib/stdlib/doc/src/supervisor.xml43
-rw-r--r--lib/stdlib/src/pool.erl3
-rw-r--r--lib/stdlib/src/supervisor.erl58
-rw-r--r--lib/stdlib/test/supervisor_SUITE.erl32
-rw-r--r--system/doc/design_principles/sup_princ.xml8
45 files changed, 741 insertions, 300 deletions
diff --git a/.gitignore b/.gitignore
index 409be555fb..b35a6c1c31 100644
--- a/.gitignore
+++ b/.gitignore
@@ -179,6 +179,7 @@ make/win32/
# common_test
+/lib/common_test/doc/src/ct_slave.xml
/lib/common_test/priv/install.sh
# compiler
diff --git a/erts/doc/src/erl_nif.xml b/erts/doc/src/erl_nif.xml
index 4bbd4e2a54..cdce4ec0b8 100644
--- a/erts/doc/src/erl_nif.xml
+++ b/erts/doc/src/erl_nif.xml
@@ -688,6 +688,10 @@ typedef enum {
<fsummary>Determine if a term is an empty list</fsummary>
<desc><p>Return true if <c>term</c> is an empty list.</p></desc>
</func>
+ <marker id="enif_is_exception"/><func><name><ret>int</ret><nametext>enif_is_exception(ErlNifEnv* env, ERL_NIF_TERM term)</nametext></name>
+ <fsummary>Determine if a term is an exception</fsummary>
+ <desc><p>Return true if <c>term</c> is an exception.</p></desc>
+ </func>
<func><name><ret>int</ret><nametext>enif_is_fun(ErlNifEnv* env, ERL_NIF_TERM term)</nametext></name>
<fsummary>Determine if a term is a fun</fsummary>
<desc><p>Return true if <c>term</c> is a fun.</p></desc>
@@ -738,7 +742,14 @@ typedef enum {
</func>
<func><name><ret>ERL_NIF_TERM</ret><nametext>enif_make_badarg(ErlNifEnv* env)</nametext></name>
<fsummary>Make a badarg exception.</fsummary>
- <desc><p>Make a badarg exception to be returned from a NIF.</p></desc>
+ <desc><p>Make a badarg exception to be returned from a NIF, and set
+ an associated exception reason in <c>env</c>. If
+ <c>enif_make_badarg</c> is called, the term it returns <em>must</em>
+ be returned from the function that called it. No other return value
+ is allowed. Also, the term returned from <c>enif_make_badarg</c> may
+ be passed only to
+ <seealso marker="#enif_is_exception">enif_is_exception</seealso> and
+ not to any other NIF API function.</p></desc>
</func>
<func><name><ret>ERL_NIF_TERM</ret><nametext>enif_make_binary(ErlNifEnv* env, ErlNifBinary* bin)</nametext></name>
<fsummary>Make a binary term.</fsummary>
diff --git a/erts/emulator/beam/beam_debug.c b/erts/emulator/beam/beam_debug.c
index 8a48049921..fffb172c68 100644
--- a/erts/emulator/beam/beam_debug.c
+++ b/erts/emulator/beam/beam_debug.c
@@ -291,7 +291,7 @@ dbg_bt(Process* p, Eterm* sp)
if (addr)
erts_fprintf(stderr,
HEXF ": %T:%T/%bpu\n",
- addr, (Eterm) addr[0], (Eterm) addr[1], (Uint) addr[2]);
+ addr, (Eterm) addr[0], (Eterm) addr[1], addr[2]);
}
sp++;
}
@@ -484,7 +484,7 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr)
if (f+3 != (BeamInstr *) *ap) {
erts_print(to, to_arg, "f(" HEXF ")", *ap);
} else {
- erts_print(to, to_arg, "%T:%T/%bpu", (Eterm) f[0], (Eterm) f[1], (Eterm) f[2]);
+ erts_print(to, to_arg, "%T:%T/%bpu", (Eterm) f[0], (Eterm) f[1], f[2]);
}
ap++;
}
@@ -495,7 +495,7 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr)
if (f+3 != (BeamInstr *) *ap) {
erts_print(to, to_arg, "p(" HEXF ")", *ap);
} else {
- erts_print(to, to_arg, "%T:%T/%bpu", (Eterm) f[0], (Eterm) f[1], (Eterm) f[2]);
+ erts_print(to, to_arg, "%T:%T/%bpu", (Eterm) f[0], (Eterm) f[1], f[2]);
}
ap++;
}
@@ -508,7 +508,7 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr)
{
Export* ex = (Export *) *ap;
erts_print(to, to_arg,
- "%T:%T/%bpu", (Eterm) ex->code[0], (Eterm) ex->code[1], (Uint) ex->code[2]);
+ "%T:%T/%bpu", (Eterm) ex->code[0], (Eterm) ex->code[1], ex->code[2]);
ap++;
}
break;
diff --git a/erts/emulator/beam/break.c b/erts/emulator/beam/break.c
index d255cf3558..b8889e6206 100644
--- a/erts/emulator/beam/break.c
+++ b/erts/emulator/beam/break.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 1996-2010. All Rights Reserved.
+ * Copyright Ericsson AB 1996-2011. 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
@@ -266,7 +266,7 @@ print_process_info(int to, void *to_arg, Process *p)
}
erts_print(to, to_arg, "Number of heap fragments: %d\n", frags);
}
- erts_print(to, to_arg, "Heap fragment data: %bpu\n", MBUF_SIZE(p));
+ erts_print(to, to_arg, "Heap fragment data: %beu\n", MBUF_SIZE(p));
scb = ERTS_PROC_GET_SAVED_CALLS_BUF(p);
if (scb) {
@@ -313,12 +313,11 @@ print_process_info(int to, void *to_arg, Process *p)
}
/* print the number of reductions etc */
- erts_print(to, to_arg, "Reductions: %bpu\n", p->reds);
+ erts_print(to, to_arg, "Reductions: %beu\n", p->reds);
- erts_print(to, to_arg, "Stack+heap: %bpu\n", p->heap_sz);
+ erts_print(to, to_arg, "Stack+heap: %beu\n", p->heap_sz);
erts_print(to, to_arg, "OldHeap: %bpu\n",
- (OLD_HEAP(p) == NULL) ? 0 :
- (unsigned)(OLD_HEND(p) - OLD_HEAP(p)) );
+ (OLD_HEAP(p) == NULL) ? 0 : (OLD_HEND(p) - OLD_HEAP(p)) );
erts_print(to, to_arg, "Heap unused: %bpu\n", (p->hend - p->htop));
erts_print(to, to_arg, "OldHeap unused: %bpu\n",
(OLD_HEAP(p) == NULL) ? 0 : (OLD_HEND(p) - OLD_HTOP(p)) );
diff --git a/erts/emulator/beam/copy.c b/erts/emulator/beam/copy.c
index 243e8973cf..90201f3a90 100644
--- a/erts/emulator/beam/copy.c
+++ b/erts/emulator/beam/copy.c
@@ -477,7 +477,7 @@ Eterm copy_struct(Eterm obj, Uint sz, Eterm** hpp, ErlOffHeap* off_heap)
if (htop != hbot)
erl_exit(ERTS_ABORT_EXIT,
"Internal error in copy_struct() when copying %T:"
- " htop=%p != hbot=%p (sz=%bpu)\n",
+ " htop=%p != hbot=%p (sz=%beu)\n",
org_obj, htop, hbot, org_sz);
#else
if (htop > hbot) {
diff --git a/erts/emulator/beam/dist.c b/erts/emulator/beam/dist.c
index 05eddf4ae0..b1cdd0660a 100644
--- a/erts/emulator/beam/dist.c
+++ b/erts/emulator/beam/dist.c
@@ -1687,7 +1687,7 @@ dist_port_command(Port *prt, ErtsDistOutputBuf *obuf)
if (size > (Uint) INT_MAX)
erl_exit(ERTS_ABORT_EXIT,
"Absurdly large distribution output data buffer "
- "(%bpu bytes) passed.\n",
+ "(%beu bytes) passed.\n",
size);
prt->caller = NIL;
@@ -1714,7 +1714,7 @@ dist_port_commandv(Port *prt, ErtsDistOutputBuf *obuf)
if (size > (Uint) INT_MAX)
erl_exit(ERTS_ABORT_EXIT,
"Absurdly large distribution output data buffer "
- "(%bpu bytes) passed.\n",
+ "(%beu bytes) passed.\n",
size);
iov[0].iov_base = NULL;
diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c
index 775f4435a9..673eac7fea 100644
--- a/erts/emulator/beam/erl_alloc.c
+++ b/erts/emulator/beam/erl_alloc.c
@@ -1913,7 +1913,7 @@ erts_memory(int *print_to_p, void *print_to_arg, void *proc, Eterm earg)
/* Print result... */
erts_print(to, arg, "=memory\n");
for (i = 0; i < length; i++)
- erts_print(to, arg, "%T: %bpu\n", atoms[i], *uintps[i]);
+ erts_print(to, arg, "%T: %beu\n", atoms[i], *uintps[i]);
}
if (proc) {
@@ -2107,11 +2107,11 @@ erts_allocated_areas(int *print_to_p, void *print_to_arg, void *proc)
for (i = 0; i < length; i++) {
switch (values[i].arity) {
case 2:
- erts_print(to, arg, "%s: %bpu\n",
+ erts_print(to, arg, "%s: %beu\n",
values[i].name, values[i].ui[0]);
break;
case 3:
- erts_print(to, arg, "%s: %bpu %bpu\n",
+ erts_print(to, arg, "%s: %beu %beu\n",
values[i].name, values[i].ui[0], values[i].ui[1]);
break;
default:
diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c
index 1394b7e829..84c72439a3 100644
--- a/erts/emulator/beam/erl_alloc_util.c
+++ b/erts/emulator/beam/erl_alloc_util.c
@@ -1877,7 +1877,7 @@ sz_info_carriers(Allctr_t *allctr,
cs->blocks.max_ever.size);
erts_print(to,
arg,
- "%scarriers size: %bpu %bpu %bpu\n",
+ "%scarriers size: %beu %bpu %bpu\n",
prefix,
curr_size,
cs->max.size,
@@ -1933,7 +1933,7 @@ info_carriers(Allctr_t *allctr,
cs->blocks.max_ever.size);
erts_print(to,
arg,
- "%scarriers: %bpu %bpu %bpu\n",
+ "%scarriers: %beu %bpu %bpu\n",
prefix,
curr_no,
cs->max.no,
@@ -1952,7 +1952,7 @@ info_carriers(Allctr_t *allctr,
cs->curr_sys_alloc.no);
erts_print(to,
arg,
- "%scarriers size: %bpu %bpu %bpu\n",
+ "%scarriers size: %beu %bpu %bpu\n",
prefix,
curr_size,
cs->max.size,
@@ -2053,15 +2053,15 @@ info_calls(Allctr_t *allctr,
#define PRINT_CC_4(TO, TOA, NAME, CC) \
if ((CC).giga_no == 0) \
- erts_print(TO, TOA, "%s calls: %bpu\n", NAME, CC.no); \
+ erts_print(TO, TOA, "%s calls: %b32u\n", NAME, CC.no); \
else \
- erts_print(TO, TOA, "%s calls: %bpu%09lu\n", NAME, CC.giga_no, CC.no)
+ erts_print(TO, TOA, "%s calls: %b32u%09lu\n", NAME, CC.giga_no, CC.no)
#define PRINT_CC_5(TO, TOA, PRFX, NAME, CC) \
if ((CC).giga_no == 0) \
- erts_print(TO, TOA, "%s%s calls: %bpu\n",PRFX,NAME,CC.no); \
+ erts_print(TO, TOA, "%s%s calls: %b32u\n",PRFX,NAME,CC.no); \
else \
- erts_print(TO, TOA, "%s%s calls: %bpu%09lu\n",PRFX,NAME,CC.giga_no,CC.no)
+ erts_print(TO, TOA, "%s%s calls: %b32u%09lu\n",PRFX,NAME,CC.giga_no,CC.no)
char *prefix = allctr->name_prefix;
int to = *print_to_p;
@@ -2168,21 +2168,21 @@ info_options(Allctr_t *allctr,
"option e: true\n"
"option t: %s\n"
"option ramv: %s\n"
- "option sbct: %bpu\n"
+ "option sbct: %beu\n"
#if HAVE_ERTS_MSEG
"option asbcst: %bpu\n"
"option rsbcst: %bpu\n"
#endif
- "option rsbcmt: %bpu\n"
- "option rmbcmt: %bpu\n"
- "option mmbcs: %bpu\n"
+ "option rsbcmt: %beu\n"
+ "option rmbcmt: %beu\n"
+ "option mmbcs: %beu\n"
#if HAVE_ERTS_MSEG
- "option mmsbc: %bpu\n"
- "option mmmbc: %bpu\n"
+ "option mmsbc: %beu\n"
+ "option mmmbc: %beu\n"
#endif
- "option lmbcs: %bpu\n"
- "option smbcs: %bpu\n"
- "option mbcgs: %bpu\n",
+ "option lmbcs: %beu\n"
+ "option smbcs: %beu\n"
+ "option mbcgs: %beu\n",
topt,
allctr->ramv ? "true" : "false",
allctr->sbc_threshold,
@@ -2292,9 +2292,9 @@ erts_alcu_au_info_options(int *print_to_p, void *print_to_arg,
erts_print(*print_to_p,
print_to_arg,
#if HAVE_ERTS_MSEG
- "option mmc: %bpu\n"
+ "option mmc: %beu\n"
#endif
- "option ycs: %bpu\n",
+ "option ycs: %beu\n",
#if HAVE_ERTS_MSEG
max_mseg_carriers,
#endif
diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c
index 71206c48b2..e50fc18e64 100644
--- a/erts/emulator/beam/erl_bif_info.c
+++ b/erts/emulator/beam/erl_bif_info.c
@@ -71,9 +71,9 @@ static char erts_system_version[] = ("Erlang " ERLANG_OTP_RELEASE
#endif
#endif
#ifdef ERTS_SMP
- " [smp:%bpu:%bpu]"
+ " [smp:%beu:%beu]"
#endif
- " [rq:%bpu]"
+ " [rq:%beu]"
#ifdef USE_THREADS
" [async-threads:%d]"
#endif
diff --git a/erts/emulator/beam/erl_db.c b/erts/emulator/beam/erl_db.c
index 61e8a595be..e0a6aa05c6 100644
--- a/erts/emulator/beam/erl_db.c
+++ b/erts/emulator/beam/erl_db.c
@@ -3737,7 +3737,7 @@ static void print_table(int to, void *to_arg, int show, DbTable* tb)
erts_print(to, to_arg, "Objects: %d\n", (int)erts_smp_atomic_read(&tb->common.nitems));
erts_print(to, to_arg, "Words: %bpu\n",
- (Uint) ((erts_smp_atomic_read(&tb->common.memory_size)
+ (UWord) ((erts_smp_atomic_read(&tb->common.memory_size)
+ sizeof(Uint)
- 1)
/ sizeof(Uint)));
diff --git a/erts/emulator/beam/erl_db_util.c b/erts/emulator/beam/erl_db_util.c
index 0b63ab9ba0..c3b074f782 100644
--- a/erts/emulator/beam/erl_db_util.c
+++ b/erts/emulator/beam/erl_db_util.c
@@ -5046,31 +5046,31 @@ void db_match_dis(Binary *bp)
++t;
n = *t;
++t;
- erts_printf("TryMeElse\t%bpu\n", n);
+ erts_printf("TryMeElse\t%beu\n", n);
break;
case matchArray:
++t;
n = *t;
++t;
- erts_printf("Array\t%bpu\n", n);
+ erts_printf("Array\t%beu\n", n);
break;
case matchArrayBind:
++t;
n = *t;
++t;
- erts_printf("ArrayBind\t%bpu\n", n);
+ erts_printf("ArrayBind\t%beu\n", n);
break;
case matchTuple:
++t;
n = *t;
++t;
- erts_printf("Tuple\t%bpu\n", n);
+ erts_printf("Tuple\t%beu\n", n);
break;
case matchPushT:
++t;
n = *t;
++t;
- erts_printf("PushT\t%bpu\n", n);
+ erts_printf("PushT\t%beu\n", n);
break;
case matchPushL:
++t;
@@ -5084,13 +5084,13 @@ void db_match_dis(Binary *bp)
++t;
n = *t;
++t;
- erts_printf("Bind\t%bpu\n", n);
+ erts_printf("Bind\t%beu\n", n);
break;
case matchCmp:
++t;
n = *t;
++t;
- erts_printf("Cmp\t%bpu\n", n);
+ erts_printf("Cmp\t%beu\n", n);
break;
case matchEqBin:
++t;
@@ -5112,9 +5112,9 @@ void db_match_dis(Binary *bp)
else
erts_printf(", ");
#if defined(ARCH_64) && !HALFWORD_HEAP
- erts_printf("0x%016bpx", rt->data.ui[ri]);
+ erts_printf("0x%016bex", rt->data.ui[ri]);
#else
- erts_printf("0x%08bpx", rt->data.ui[ri]);
+ erts_printf("0x%08bex", rt->data.ui[ri]);
#endif
}
}
@@ -5136,9 +5136,9 @@ void db_match_dis(Binary *bp)
else
erts_printf(", ");
#if defined(ARCH_64) && !HALFWORD_HEAP
- erts_printf("0x%016bpx", *et);
+ erts_printf("0x%016bex", *et);
#else
- erts_printf("0x%08bpx", *et);
+ erts_printf("0x%08bex", *et);
#endif
++et;
}
@@ -5190,31 +5190,31 @@ void db_match_dis(Binary *bp)
++t;
n = *t;
++t;
- erts_printf("MkTuple\t%bpu\n", n);
+ erts_printf("MkTuple\t%beu\n", n);
break;
case matchOr:
++t;
n = *t;
++t;
- erts_printf("Or\t%bpu\n", n);
+ erts_printf("Or\t%beu\n", n);
break;
case matchAnd:
++t;
n = *t;
++t;
- erts_printf("And\t%bpu\n", n);
+ erts_printf("And\t%beu\n", n);
break;
case matchOrElse:
++t;
n = *t;
++t;
- erts_printf("OrElse\t%bpu\n", n);
+ erts_printf("OrElse\t%beu\n", n);
break;
case matchAndAlso:
++t;
n = *t;
++t;
- erts_printf("AndAlso\t%bpu\n", n);
+ erts_printf("AndAlso\t%beu\n", n);
break;
case matchCall0:
++t;
@@ -5244,19 +5244,19 @@ void db_match_dis(Binary *bp)
++t;
n = (Uint) *t;
++t;
- erts_printf("PushV\t%bpu\n", n);
+ erts_printf("PushV\t%beu\n", n);
break;
#if HALFWORD_HEAP
case matchPushVGuard:
n = (Uint) *++t;
++t;
- erts_printf("PushVGuard\t%bpu\n", n);
+ erts_printf("PushVGuard\t%beu\n", n);
break;
#endif
case matchPushVResult:
n = (Uint) *++t;
++t;
- erts_printf("PushVResult\t%bpu\n", n);
+ erts_printf("PushVResult\t%beu\n", n);
break;
case matchTrue:
++t;
@@ -5367,8 +5367,8 @@ void db_match_dis(Binary *bp)
}
erts_printf("}\n");
erts_printf("num_bindings: %d\n", prog->num_bindings);
- erts_printf("heap_size: %bpu\n", prog->heap_size);
- erts_printf("stack_offset: %bpu\n", prog->stack_offset);
+ erts_printf("heap_size: %beu\n", prog->heap_size);
+ erts_printf("stack_offset: %beu\n", prog->stack_offset);
erts_printf("text: 0x%08x\n", (unsigned long) prog->text);
erts_printf("stack_size: %d (words)\n", prog->heap_size-prog->stack_offset);
diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c
index 135c6b0ccc..8b48444904 100644
--- a/erts/emulator/beam/erl_nif.c
+++ b/erts/emulator/beam/erl_nif.c
@@ -430,6 +430,11 @@ int enif_is_list(ErlNifEnv* env, ERL_NIF_TERM term)
return is_list(term) || is_nil(term);
}
+int enif_is_exception(ErlNifEnv* env, ERL_NIF_TERM term)
+{
+ return term == THE_NON_VALUE;
+}
+
static void aligned_binary_dtor(struct enif_tmp_obj_t* obj)
{
erts_free_aligned_binary_bytes_extra((byte*)obj,ERTS_ALC_T_TMP);
diff --git a/erts/emulator/beam/erl_nif.h b/erts/emulator/beam/erl_nif.h
index 8050b3640a..d028567faf 100644
--- a/erts/emulator/beam/erl_nif.h
+++ b/erts/emulator/beam/erl_nif.h
@@ -31,9 +31,10 @@
** 1.0: R13B04
** 2.0: R14A
** 2.1: R14B02 "vm_variant"
+** 2.2: R14B03 enif_is_exception
*/
#define ERL_NIF_MAJOR_VERSION 2
-#define ERL_NIF_MINOR_VERSION 1
+#define ERL_NIF_MINOR_VERSION 2
#include <stdlib.h>
diff --git a/erts/emulator/beam/erl_nif_api_funcs.h b/erts/emulator/beam/erl_nif_api_funcs.h
index eca506593d..c991b61abe 100644
--- a/erts/emulator/beam/erl_nif_api_funcs.h
+++ b/erts/emulator/beam/erl_nif_api_funcs.h
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2009-2010. All Rights Reserved.
+ * Copyright Ericsson AB 2009-2011. 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
@@ -21,6 +21,13 @@
# error This file should not be included directly
#endif
+/*
+** WARNING: add new ERL_NIF_API_FUNC_DECL entries at the bottom of the list
+** to keep compatibility on Windows!!!
+**
+** And don't forget to increase ERL_NIF_MINOR_VERSION in erl_nif.h
+** when adding functions to the API.
+*/
#ifdef ERL_NIF_API_FUNC_DECL
ERL_NIF_API_FUNC_DECL(void*,enif_priv_data,(ErlNifEnv*));
ERL_NIF_API_FUNC_DECL(void*,enif_alloc,(size_t size));
@@ -128,12 +135,17 @@ ERL_NIF_API_FUNC_DECL(int,enif_get_uint64,(ErlNifEnv*, ERL_NIF_TERM term, ErlNif
ERL_NIF_API_FUNC_DECL(ERL_NIF_TERM,enif_make_int64,(ErlNifEnv*, ErlNifSInt64));
ERL_NIF_API_FUNC_DECL(ERL_NIF_TERM,enif_make_uint64,(ErlNifEnv*, ErlNifUInt64));
#endif
+ERL_NIF_API_FUNC_DECL(int,enif_is_exception,(ErlNifEnv*, ERL_NIF_TERM term));
/*
-** Add last to keep compatibility on Windows!!!
+** Add new entries here to keep compatibility on Windows!!!
*/
#endif
+/*
+** Please keep the ERL_NIF_API_FUNC_MACRO list below in the same order
+** as the ERL_NIF_API_FUNC_DECL list above
+*/
#ifdef ERL_NIF_API_FUNC_MACRO
# define enif_priv_data ERL_NIF_API_FUNC_MACRO(enif_priv_data)
# define enif_alloc ERL_NIF_API_FUNC_MACRO(enif_alloc)
@@ -243,6 +255,11 @@ ERL_NIF_API_FUNC_DECL(ERL_NIF_TERM,enif_make_uint64,(ErlNifEnv*, ErlNifUInt64));
# define enif_make_uint64 ERL_NIF_API_FUNC_MACRO(enif_make_uint64)
#endif
+# define enif_is_exception ERL_NIF_API_FUNC_MACRO(enif_is_exception)
+
+/*
+** Add new entries here
+*/
#endif
#ifndef enif_make_list1
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c
index 2efff4bf10..31f23d3978 100644
--- a/erts/emulator/beam/erl_process.c
+++ b/erts/emulator/beam/erl_process.c
@@ -3665,7 +3665,7 @@ sched_thread_func(void *vesdp)
#ifdef ERTS_ENABLE_LOCK_CHECK
{
char buf[31];
- erts_snprintf(&buf[0], 31, "scheduler %bpu", no);
+ erts_snprintf(&buf[0], 31, "scheduler %beu", no);
erts_lc_set_thread_name(&buf[0]);
}
#endif
@@ -3723,7 +3723,7 @@ sched_thread_func(void *vesdp)
process_main();
/* No schedulers should *ever* terminate */
- erl_exit(ERTS_ABORT_EXIT, "Scheduler thread number %bpu terminated\n",
+ erl_exit(ERTS_ABORT_EXIT, "Scheduler thread number %beu terminated\n",
((ErtsSchedulerData *) vesdp)->no);
return NULL;
}
@@ -3772,8 +3772,8 @@ erts_start_schedulers(void)
erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf();
ASSERT(actual != wanted_no_schedulers);
erts_dsprintf(dsbufp,
- "Failed to create %bpu scheduler-threads (%s:%d); "
- "only %bpu scheduler-thread%s created.\n",
+ "Failed to create %beu scheduler-threads (%s:%d); "
+ "only %beu scheduler-thread%s created.\n",
wanted_no_schedulers, erl_errno_id(res), res,
actual, actual == 1 ? " was" : "s were");
erts_send_error_to_logger_nogl(dsbufp);
diff --git a/erts/emulator/beam/erl_process_dump.c b/erts/emulator/beam/erl_process_dump.c
index 68fda01597..5410bcd495 100644
--- a/erts/emulator/beam/erl_process_dump.c
+++ b/erts/emulator/beam/erl_process_dump.c
@@ -194,7 +194,7 @@ dump_element(int to, void *to_arg, Eterm x)
} else if (is_pid(x)) {
erts_print(to, to_arg, "P%T", x);
} else if (is_port(x)) {
- erts_print(to, to_arg, "p<%bpu.%bpu>",
+ erts_print(to, to_arg, "p<%beu.%beu>",
port_channel_no(x), port_number(x));
} else if (is_nil(x)) {
erts_putc(to, to_arg, 'N');
@@ -376,7 +376,7 @@ heap_dump(int to, void *to_arg, Eterm x)
erts_print(to, to_arg, "P%T\n", x);
*ptr = OUR_NIL;
} else if (is_external_port_header(hdr)) {
- erts_print(to, to_arg, "p<%bpu.%bpu>\n",
+ erts_print(to, to_arg, "p<%beu.%beu>\n",
port_channel_no(x), port_number(x));
*ptr = OUR_NIL;
} else {
diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h
index 432bdd705b..96da894d90 100644
--- a/erts/emulator/beam/global.h
+++ b/erts/emulator/beam/global.h
@@ -1828,7 +1828,7 @@ erts_alloc_message_heap(Uint size,
#endif
if (size > (Uint) INT_MAX)
- erl_exit(ERTS_ABORT_EXIT, "HUGE size (%bpu)\n", size);
+ erl_exit(ERTS_ABORT_EXIT, "HUGE size (%beu)\n", size);
if (
#if defined(ERTS_SMP)
diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c
index 2e884a350e..f619c6f88b 100644
--- a/erts/emulator/beam/io.c
+++ b/erts/emulator/beam/io.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 1996-2010. All Rights Reserved.
+ * Copyright Ericsson AB 1996-2011. 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
@@ -2417,7 +2417,7 @@ void erts_raw_port_command(Port* p, byte* buf, Uint len)
if (len > (Uint) INT_MAX)
erl_exit(ERTS_ABORT_EXIT,
- "Absurdly large data buffer (%bpu bytes) passed to"
+ "Absurdly large data buffer (%beu bytes) passed to"
"output callback of %s driver.\n",
len,
p->drv_ptr->name ? p->drv_ptr->name : "unknown");
@@ -3667,7 +3667,7 @@ driver_pdl_inc_refc(ErlDrvPDL pdl)
{
ErlDrvSInt refc = pdl_inctest_refc(pdl);
#ifdef HARDDEBUG
- erts_fprintf(stderr, "driver_pdl_inc_refc(%p) -> %bpd\r\n",
+ erts_fprintf(stderr, "driver_pdl_inc_refc(%p) -> %bed\r\n",
pdl, refc);
#endif
return refc;
diff --git a/erts/emulator/drivers/common/gzio.c b/erts/emulator/drivers/common/gzio.c
index 5531a275ea..741cb6ae20 100644
--- a/erts/emulator/drivers/common/gzio.c
+++ b/erts/emulator/drivers/common/gzio.c
@@ -632,6 +632,7 @@ erts_gzseek(gzFile file, int offset, int whence)
while (s->position < pos) {
char buf[512];
int n;
+ int save_pos = s->position;
n = pos - s->position;
if (n > sizeof(buf))
@@ -643,6 +644,7 @@ erts_gzseek(gzFile file, int offset, int whence)
memset(buf, '\0', n);
erts_gzwrite(file, buf, n);
}
+ if (save_pos == s->position) break;
}
return s->position;
diff --git a/erts/emulator/hipe/hipe_debug.c b/erts/emulator/hipe/hipe_debug.c
index c7b608aafe..7ca11f8c6c 100644
--- a/erts/emulator/hipe/hipe_debug.c
+++ b/erts/emulator/hipe/hipe_debug.c
@@ -51,7 +51,7 @@ static const char stars[2*sizeof(long)+5] = {
extern Uint beam_apply[];
-static void print_beam_pc(Uint *pc)
+static void print_beam_pc(BeamInstr *pc)
{
if (pc == hipe_beam_pc_return) {
printf("return-to-native");
@@ -60,7 +60,7 @@ static void print_beam_pc(Uint *pc)
} else if (pc == &beam_apply[1]) {
printf("normal-process-exit");
} else {
- Eterm *mfa = find_function_from_pc(pc);
+ BeamInstr *mfa = find_function_from_pc(pc);
if (mfa)
erts_printf("%T:%T/%bpu + 0x%bpx",
mfa[0], mfa[1], mfa[2], pc - &mfa[3]);
@@ -71,7 +71,7 @@ static void print_beam_pc(Uint *pc)
static void catch_slot(Eterm *pos, Eterm val)
{
- Uint *pc = catch_pc(val);
+ BeamInstr *pc = catch_pc(val);
printf(" | 0x%0*lx | 0x%0*lx | CATCH 0x%0*lx (BEAM ",
2*(int)sizeof(long), (unsigned long)pos,
2*(int)sizeof(long), (unsigned long)val,
diff --git a/erts/emulator/sys/common/erl_mseg.c b/erts/emulator/sys/common/erl_mseg.c
index ceb290b644..ffa3a6328c 100644
--- a/erts/emulator/sys/common/erl_mseg.c
+++ b/erts/emulator/sys/common/erl_mseg.c
@@ -1092,10 +1092,10 @@ info_options(char *prefix,
if (print_to_p) {
int to = *print_to_p;
void *arg = print_to_arg;
- erts_print(to, arg, "%samcbf: %bpu\n", prefix, abs_max_cache_bad_fit);
- erts_print(to, arg, "%srmcbf: %bpu\n", prefix, rel_max_cache_bad_fit);
- erts_print(to, arg, "%smcs: %bpu\n", prefix, max_cache_size);
- erts_print(to, arg, "%scci: %bpu\n", prefix, cache_check_interval);
+ erts_print(to, arg, "%samcbf: %beu\n", prefix, abs_max_cache_bad_fit);
+ erts_print(to, arg, "%srmcbf: %beu\n", prefix, rel_max_cache_bad_fit);
+ erts_print(to, arg, "%smcs: %beu\n", prefix, max_cache_size);
+ erts_print(to, arg, "%scci: %beu\n", prefix, cache_check_interval);
}
if (hpp || szp) {
@@ -1131,9 +1131,9 @@ info_calls(int *print_to_p, void *print_to_arg, Uint **hpp, Uint *szp)
#define PRINT_CC(TO, TOA, CC) \
if (calls.CC.giga_no == 0) \
- erts_print(TO, TOA, "mseg_%s calls: %bpu\n", #CC, calls.CC.no); \
+ erts_print(TO, TOA, "mseg_%s calls: %b32u\n", #CC, calls.CC.no); \
else \
- erts_print(TO, TOA, "mseg_%s calls: %bpu%09bpu\n", #CC, \
+ erts_print(TO, TOA, "mseg_%s calls: %b32u%09b32u\n", #CC, \
calls.CC.giga_no, calls.CC.no)
int to = *print_to_p;
@@ -1215,13 +1215,13 @@ info_status(MemKind* mk, int *print_to_p, void *print_to_arg,
int to = *print_to_p;
void *arg = print_to_arg;
- erts_print(to, arg, "cached_segments: %bpu\n", mk->cache_size);
- erts_print(to, arg, "cache_hits: %bpu\n", mk->cache_hits);
- erts_print(to, arg, "segments: %bpu %bpu %bpu\n",
+ erts_print(to, arg, "cached_segments: %beu\n", mk->cache_size);
+ erts_print(to, arg, "cache_hits: %beu\n", mk->cache_hits);
+ erts_print(to, arg, "segments: %beu %beu %beu\n",
mk->segments.current.no, mk->segments.max.no, mk->segments.max_ever.no);
- erts_print(to, arg, "segments_size: %bpu %bpu %bpu\n",
+ erts_print(to, arg, "segments_size: %beu %beu %beu\n",
mk->segments.current.sz, mk->segments.max.sz, mk->segments.max_ever.sz);
- erts_print(to, arg, "segments_watermark: %bpu\n",
+ erts_print(to, arg, "segments_watermark: %beu\n",
mk->segments.current.watermark);
}
@@ -1507,7 +1507,7 @@ erts_mseg_init(ErtsMsegInit_t *init)
while ((page_size >> page_shift) != 1) {
if ((page_size & (1 << (page_shift - 1))) != 0)
erl_exit(ERTS_ABORT_EXIT,
- "erts_mseg: Unexpected page_size %bpu\n", page_size);
+ "erts_mseg: Unexpected page_size %beu\n", page_size);
page_shift++;
}
diff --git a/erts/emulator/test/code_SUITE.erl b/erts/emulator/test/code_SUITE.erl
index 703a00a598..c1a048be75 100644
--- a/erts/emulator/test/code_SUITE.erl
+++ b/erts/emulator/test/code_SUITE.erl
@@ -483,7 +483,7 @@ do_false_dependency(Init, Code) ->
%% Spawn process. Make sure it has the appropriate init function
%% and returned. CP should not contain garbage after the return.
Parent = self(),
- ?line Pid = spawn_link(fun() -> false_dependency_loop(Parent, Init) end),
+ ?line Pid = spawn_link(fun() -> false_dependency_loop(Parent, Init, true) end),
?line receive initialized -> ok end,
%% Reload the module. Make sure the process is still alive.
@@ -501,11 +501,18 @@ do_false_dependency(Init, Code) ->
?line true = erlang:purge_module(cpbugx),
ok.
-false_dependency_loop(Parent, Init) ->
+false_dependency_loop(Parent, Init, SendInitAck) ->
Init(),
- Parent ! initialized,
+ case SendInitAck of
+ true -> Parent ! initialized;
+ false -> void
+ %% Just send one init-ack. I guess the point of this test
+ %% wasn't to fill parents msg-queue (?). Seen to cause
+ %% out-of-mem (on halfword-vm for some reason) by
+ %% 91 million msg in queue. /sverker
+ end,
receive
- _ -> false_dependency_loop(Parent, Init)
+ _ -> false_dependency_loop(Parent, Init, false)
end.
coverage(Config) when is_list(Config) ->
diff --git a/erts/emulator/test/nif_SUITE.erl b/erts/emulator/test/nif_SUITE.erl
index b79c30d8d9..91d695d979 100644
--- a/erts/emulator/test/nif_SUITE.erl
+++ b/erts/emulator/test/nif_SUITE.erl
@@ -1121,7 +1121,14 @@ is_checks(Config) when is_list(Config) ->
?line ensure_lib_loaded(Config, 1),
?line ok = check_is(hejsan, <<19,98>>, make_ref(), ok, fun() -> ok end,
self(), hd(erlang:ports()), [], [1,9,9,8],
- {hejsan, "hejsan", [$h,"ejs",<<"an">>]}).
+ {hejsan, "hejsan", [$h,"ejs",<<"an">>]}),
+ try
+ ?line error = check_is_exception(),
+ ?line throw(expected_badarg)
+ catch
+ error:badarg ->
+ ?line ok
+ end.
get_length(doc) -> ["Test all enif_get_length functions"];
get_length(Config) when is_list(Config) ->
@@ -1245,6 +1252,7 @@ release_resource(_) -> ?nif_stub.
last_resource_dtor_call() -> ?nif_stub.
make_new_resource(_,_) -> ?nif_stub.
check_is(_,_,_,_,_,_,_,_,_,_) -> ?nif_stub.
+check_is_exception() -> ?nif_stub.
length_test(_,_,_,_,_) -> ?nif_stub.
make_atoms() -> ?nif_stub.
make_strings() -> ?nif_stub.
diff --git a/erts/emulator/test/nif_SUITE_data/nif_SUITE.c b/erts/emulator/test/nif_SUITE_data/nif_SUITE.c
index 8489124966..dc047394b5 100644
--- a/erts/emulator/test/nif_SUITE_data/nif_SUITE.c
+++ b/erts/emulator/test/nif_SUITE_data/nif_SUITE.c
@@ -802,6 +802,23 @@ static ERL_NIF_TERM check_is(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]
}
/*
+ * no arguments
+ *
+ * This function is separate from check_is because it calls enif_make_badarg
+ * and so it must return the badarg exception as its return value. Thus, the
+ * badarg exception indicates success. Failure is indicated by returning an
+ * error atom.
+ */
+static ERL_NIF_TERM check_is_exception(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{
+ ERL_NIF_TERM error_atom = enif_make_atom(env, "error");
+ ERL_NIF_TERM badarg = enif_make_badarg(env);
+ if (enif_is_exception(env, error_atom)) return error_atom;
+ if (!enif_is_exception(env, badarg)) return error_atom;
+ return badarg;
+}
+
+/*
* argv[0] atom with length of 6
* argv[1] list with length of 6
* argv[2] empty list
@@ -1383,6 +1400,7 @@ static ErlNifFunc nif_funcs[] =
{"last_resource_dtor_call", 0, last_resource_dtor_call},
{"make_new_resource", 2, make_new_resource},
{"check_is", 10, check_is},
+ {"check_is_exception", 0, check_is_exception},
{"length_test", 5, length_test},
{"make_atoms", 0, make_atoms},
{"make_strings", 0, make_strings},
diff --git a/erts/lib_src/common/erl_printf_format.c b/erts/lib_src/common/erl_printf_format.c
index bd3d38e649..968d563325 100644
--- a/erts/lib_src/common/erl_printf_format.c
+++ b/erts/lib_src/common/erl_printf_format.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2005-2009. All Rights Reserved.
+ * Copyright Ericsson AB 2005-2011. 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
@@ -27,7 +27,7 @@
* length: hh | h | l | ll | L | j | t | b<sz>
* conversion: d,i | o,u,x,X | e,E | f,F | g,G | a,A | c | s | T |
* p | n | %
- * sz: 8 | 16 | 32 | 64 | p
+ * sz: 8 | 16 | 32 | 64 | p | e
*/
/* Without this, variable argument lists break on VxWorks */
@@ -76,6 +76,18 @@
#endif
#endif
+#ifndef ERTS_SIZEOF_ETERM
+# ifdef HALFWORD_HEAP_EMULATOR
+# if SIZEOF_VOID_P == 8
+# define ERTS_SIZEOF_ETERM 4
+# else
+# error "HALFWORD_HEAP_EMULATOR only allowed on 64-bit architecture"
+# endif
+# else
+# define ERTS_SIZEOF_ETERM SIZEOF_VOID_P
+# endif
+#endif
+
#if defined(__GNUC__)
# undef inline
# define inline __inline__
@@ -520,6 +532,17 @@ int erts_printf_format(fmtfn_t fn, void* arg, char* fmt, va_list ap)
#error No integer datatype with the same size as 'void *' found
#endif
}
+ else if (*ptr == 'e') {
+ ptr++;
+#if SIZEOF_INT == ERTS_SIZEOF_ETERM
+#elif SIZEOF_LONG == ERTS_SIZEOF_ETERM
+ fmt |= FMTL_l;
+#elif SIZEOF_LONG_LONG == ERTS_SIZEOF_ETERM
+ fmt |= FMTL_ll;
+#else
+#error No integer datatype with the same size as Eterm found
+#endif
+ }
else {
int bits = 0;
while(isdigit((int) *ptr))
diff --git a/lib/crypto/c_src/crypto.c b/lib/crypto/c_src/crypto.c
index b8786f6f94..3ebf62d87c 100644
--- a/lib/crypto/c_src/crypto.c
+++ b/lib/crypto/c_src/crypto.c
@@ -134,7 +134,9 @@ static ERL_NIF_TERM des_ede3_cbc_crypt(ErlNifEnv* env, int argc, const ERL_NIF_T
static ERL_NIF_TERM aes_cfb_128_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
static ERL_NIF_TERM aes_ctr_encrypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
static ERL_NIF_TERM rand_bytes_1(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
+static ERL_NIF_TERM strong_rand_bytes_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
static ERL_NIF_TERM rand_bytes_3(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
+static ERL_NIF_TERM strong_rand_mpint_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
static ERL_NIF_TERM rand_uniform_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
static ERL_NIF_TERM mod_exp_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
static ERL_NIF_TERM dss_verify(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
@@ -204,7 +206,9 @@ static ErlNifFunc nif_funcs[] = {
{"aes_ctr_encrypt", 3, aes_ctr_encrypt},
{"aes_ctr_decrypt", 3, aes_ctr_encrypt},
{"rand_bytes", 1, rand_bytes_1},
+ {"strong_rand_bytes_nif", 1, strong_rand_bytes_nif},
{"rand_bytes", 3, rand_bytes_3},
+ {"strong_rand_mpint_nif", 3, strong_rand_mpint_nif},
{"rand_uniform_nif", 2, rand_uniform_nif},
{"mod_exp_nif", 3, mod_exp_nif},
{"dss_verify", 4, dss_verify},
@@ -704,6 +708,22 @@ static ERL_NIF_TERM rand_bytes_1(ErlNifEnv* env, int argc, const ERL_NIF_TERM ar
ERL_VALGRIND_MAKE_MEM_DEFINED(data, bytes);
return ret;
}
+static ERL_NIF_TERM strong_rand_bytes_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{/* (Bytes) */
+ unsigned bytes;
+ unsigned char* data;
+ ERL_NIF_TERM ret;
+ if (!enif_get_uint(env, argv[0], &bytes)) {
+ return enif_make_badarg(env);
+ }
+ data = enif_make_new_binary(env, bytes, &ret);
+ if ( RAND_bytes(data, bytes) != 1) {
+ return atom_false;
+ }
+ ERL_VALGRIND_MAKE_MEM_DEFINED(data, bytes);
+ return ret;
+}
+
static ERL_NIF_TERM rand_bytes_3(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
{/* (Bytes, TopMask, BottomMask) */
unsigned bytes;
@@ -724,6 +744,47 @@ static ERL_NIF_TERM rand_bytes_3(ErlNifEnv* env, int argc, const ERL_NIF_TERM ar
}
return ret;
}
+static ERL_NIF_TERM strong_rand_mpint_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{/* (Bytes, TopMask, BottomMask) */
+ unsigned bits;
+ BIGNUM *bn_rand;
+ int top, bottom;
+ unsigned char* data;
+ unsigned dlen;
+ ERL_NIF_TERM ret;
+ if (!enif_get_uint(env, argv[0], &bits)
+ || !enif_get_int(env, argv[1], &top)
+ || !enif_get_int(env, argv[2], &bottom)) {
+ return enif_make_badarg(env);
+ }
+ if (! (top == -1 || top == 0 || top == 1) ) {
+ return enif_make_badarg(env);
+ }
+ if (! (bottom == 0 || bottom == 1) ) {
+ return enif_make_badarg(env);
+ }
+
+ bn_rand = BN_new();
+ if (! bn_rand ) {
+ return enif_make_badarg(env);
+ }
+
+ /* Get a (bits) bit random number */
+ if (!BN_rand(bn_rand, bits, top, bottom)) {
+ ret = atom_false;
+ }
+ else {
+ /* Copy the bignum into an erlang mpint binary. */
+ dlen = BN_num_bytes(bn_rand);
+ data = enif_make_new_binary(env, dlen+4, &ret);
+ put_int32(data, dlen);
+ BN_bn2bin(bn_rand, data+4);
+ ERL_VALGRIND_MAKE_MEM_DEFINED(data+4, dlen);
+ }
+ BN_free(bn_rand);
+
+ return ret;
+}
static int get_bn_from_mpint(ErlNifEnv* env, ERL_NIF_TERM term, BIGNUM** bnp)
{
diff --git a/lib/crypto/doc/src/crypto.xml b/lib/crypto/doc/src/crypto.xml
index dfafe67348..1ccea6df79 100644
--- a/lib/crypto/doc/src/crypto.xml
+++ b/lib/crypto/doc/src/crypto.xml
@@ -4,7 +4,7 @@
<erlref>
<header>
<copyright>
- <year>1999</year><year>2010</year>
+ <year>1999</year><year>2011</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -619,6 +619,21 @@ Mpint() = <![CDATA[<<ByteLen:32/integer-big, Bytes:ByteLen/binary>>]]>
</desc>
</func>
<func>
+ <name>strong_rand_bytes(N) -> binary()</name>
+ <fsummary>Generate a binary of random bytes</fsummary>
+ <type>
+ <v>N = integer()</v>
+ </type>
+ <desc>
+ <p>Generates N bytes randomly uniform 0..255, and returns the
+ result in a binary. Uses a cryptographically secure prng seeded and
+ periodically mixed with operating system provided entropy. By default
+ this is the <c>RAND_bytes</c> method from OpenSSL.</p>
+ <p>May throw exception <c>low_entropy</c> in case the random generator
+ failed due to lack of secure "randomness".</p>
+ </desc>
+ </func>
+ <func>
<name>rand_uniform(Lo, Hi) -> N</name>
<fsummary>Generate a random number</fsummary>
<type>
@@ -633,6 +648,31 @@ Mpint() = <![CDATA[<<ByteLen:32/integer-big, Bytes:ByteLen/binary>>]]>
</desc>
</func>
<func>
+ <name>strong_rand_mpint(N, Top, Bottom) -> Mpint</name>
+ <fsummary>Generate an N bit random number</fsummary>
+ <type>
+ <v>N = non_neg_integer()</v>
+ <v>Top = -1 | 0 | 1</v>
+ <v>Bottom = 0 | 1</v>
+ <v>Mpint = binary()</v>
+ </type>
+ <desc>
+ <p>Generate an N bit random number using OpenSSL's
+ cryptographically strong pseudo random number generator
+ <c>BN_rand</c>.</p>
+ <p>The parameter <c>Top</c> places constraints on the most
+ significant bits of the generated number. If <c>Top</c> is 1, then the
+ two most significant bits will be set to 1, if <c>Top</c> is 0, the
+ most significant bit will be 1, and if <c>Top</c> is -1 then no
+ constraints are applied and thus the generated number may be less than
+ N bits long.</p>
+ <p>If <c>Bottom</c> is 1, then the generated number is
+ constrained to be odd.</p>
+ <p>May throw exception <c>low_entropy</c> in case the random generator
+ failed due to lack of secure "randomness".</p>
+ </desc>
+ </func>
+ <func>
<name>mod_exp(N, P, M) -> Result</name>
<fsummary>Perform N ^ P mod M</fsummary>
<type>
diff --git a/lib/crypto/doc/src/notes.xml b/lib/crypto/doc/src/notes.xml
index 5e9bda3920..ab1ffa9e5c 100644
--- a/lib/crypto/doc/src/notes.xml
+++ b/lib/crypto/doc/src/notes.xml
@@ -4,7 +4,7 @@
<chapter>
<header>
<copyright>
- <year>1999</year><year>2010</year>
+ <year>1999</year><year>2011</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -30,6 +30,21 @@
</header>
<p>This document describes the changes made to the Crypto application.</p>
+<section><title>Crypto 2.0.2.2</title>
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>
+ Strengthened random number generation. (Thanks to Geoff Cant)</p>
+ <p>
+ Own Id: OTP-9225</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Crypto 2.0.2.1</title>
<section><title>Improvements and New Features</title>
diff --git a/lib/crypto/src/crypto.erl b/lib/crypto/src/crypto.erl
index d6e2e033c0..cc7b3acc9c 100644
--- a/lib/crypto/src/crypto.erl
+++ b/lib/crypto/src/crypto.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1999-2010. All Rights Reserved.
+%% Copyright Ericsson AB 1999-2011. 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
@@ -46,6 +46,7 @@
-export([rsa_private_encrypt/3, rsa_public_decrypt/3]).
-export([dh_generate_key/1, dh_generate_key/2, dh_compute_key/3]).
-export([rand_bytes/1, rand_bytes/3, rand_uniform/2]).
+-export([strong_rand_bytes/1, strong_rand_mpint/3]).
-export([mod_exp/3, mpint/1, erlint/1]).
%% -export([idea_cbc_encrypt/3, idea_cbc_decrypt/3]).
-export([aes_cbc_128_encrypt/3, aes_cbc_128_decrypt/3]).
@@ -68,6 +69,8 @@
des_ede3_cbc_encrypt, des_ede3_cbc_decrypt,
aes_cfb_128_encrypt, aes_cfb_128_decrypt,
rand_bytes,
+ strong_rand_bytes,
+ strong_rand_mpint,
rand_uniform,
mod_exp,
dss_verify,dss_sign,
@@ -361,12 +364,32 @@ aes_cfb_128_crypt(_Key, _IVec, _Data, _IsEncrypt) -> ?nif_stub.
%% RAND - pseudo random numbers using RN_ functions in crypto lib
%%
-spec rand_bytes(non_neg_integer()) -> binary().
+-spec strong_rand_bytes(non_neg_integer()) -> binary().
-spec rand_uniform(crypto_integer(), crypto_integer()) ->
crypto_integer().
+-spec strong_rand_mpint(Bits::non_neg_integer(),
+ Top::-1..1,
+ Bottom::0..1) -> binary().
rand_bytes(_Bytes) -> ?nif_stub.
+
+strong_rand_bytes(Bytes) ->
+ case strong_rand_bytes_nif(Bytes) of
+ false -> erlang:error(low_entropy);
+ Bin -> Bin
+ end.
+strong_rand_bytes_nif(_Bytes) -> ?nif_stub.
+
rand_bytes(_Bytes, _Topmask, _Bottommask) -> ?nif_stub.
+strong_rand_mpint(Bits, Top, Bottom) ->
+ case strong_rand_mpint_nif(Bits,Top,Bottom) of
+ false -> erlang:error(low_entropy);
+ Bin -> Bin
+ end.
+strong_rand_mpint_nif(_Bits, _Top, _Bottom) -> ?nif_stub.
+
+
rand_uniform(From,To) when is_binary(From), is_binary(To) ->
case rand_uniform_nif(From,To) of
<<Len:32/integer, MSB, Rest/binary>> when MSB > 127 ->
diff --git a/lib/crypto/test/crypto_SUITE.erl b/lib/crypto/test/crypto_SUITE.erl
index fe8f8e69a0..854a8b4485 100644
--- a/lib/crypto/test/crypto_SUITE.erl
+++ b/lib/crypto/test/crypto_SUITE.erl
@@ -46,6 +46,7 @@
aes_ctr/1,
mod_exp_test/1,
rand_uniform_test/1,
+ strong_rand_test/1,
rsa_verify_test/1,
dsa_verify_test/1,
rsa_sign_test/1,
@@ -68,7 +69,8 @@ all() ->
md5_mac_io, sha, sha_update,
%% sha256, sha256_update, sha512,sha512_update,
des_cbc, aes_cfb, aes_cbc,
- aes_cbc_iter, aes_ctr, des_cbc_iter, des_ecb, rand_uniform_test,
+ aes_cbc_iter, aes_ctr, des_cbc_iter, des_ecb,
+ rand_uniform_test, strong_rand_test,
rsa_verify_test, dsa_verify_test, rsa_sign_test,
dsa_sign_test, rsa_encrypt_decrypt, dh, exor_test,
rc4_test, rc4_stream_test, mod_exp_test, blowfish_cfb64,
@@ -710,6 +712,33 @@ rand_uniform_aux_test(N) ->
%%
%%
+strong_rand_test(doc) ->
+ "strong_rand_mpint and strong_random_bytes testing";
+strong_rand_test(suite) ->
+ [];
+strong_rand_test(Config) when is_list(Config) ->
+ strong_rand_aux_test(180),
+ ?line 10 = byte_size(crypto:strong_rand_bytes(10)).
+
+strong_rand_aux_test(0) ->
+ ?line t(crypto:strong_rand_mpint(0,0,0) =:= <<0,0,0,0>>),
+ ok;
+strong_rand_aux_test(1) ->
+ ?line t(crypto:erlint(crypto:strong_rand_mpint(1,0,1)) =:= 1),
+ ?line strong_rand_aux_test(0);
+strong_rand_aux_test(N) ->
+ ?line t(sru_length(crypto:strong_rand_mpint(N,-1,0)) =< N),
+ ?line t(sru_length(crypto:strong_rand_mpint(N,0,0)) =:= N),
+ ?line t(crypto:erlint(crypto:strong_rand_mpint(N,0,1)) band 1 =:= 1),
+ ?line t(crypto:erlint(crypto:strong_rand_mpint(N,1,0)) bsr (N - 2) =:= 2#11),
+ ?line strong_rand_aux_test(N-1).
+
+sru_length(Mpint) ->
+ I = crypto:erlint(Mpint),
+ length(erlang:integer_to_list(I, 2)).
+
+%%
+%%
%%
%%
rsa_verify_test(doc) ->
@@ -1097,7 +1126,7 @@ worker_loop(0, _) ->
ok;
worker_loop(N, Config) ->
Funcs = { md5, md5_update, md5_mac, md5_mac_io, sha, sha_update, des_cbc,
- aes_cfb, aes_cbc, des_cbc_iter, rand_uniform_test,
+ aes_cfb, aes_cbc, des_cbc_iter, rand_uniform_test, strong_rand_test,
rsa_verify_test, exor_test, rc4_test, rc4_stream_test, mod_exp_test },
F = element(random:uniform(size(Funcs)),Funcs),
diff --git a/lib/crypto/vsn.mk b/lib/crypto/vsn.mk
index e2d6fd0b37..740c68d8fa 100644
--- a/lib/crypto/vsn.mk
+++ b/lib/crypto/vsn.mk
@@ -1 +1 @@
-CRYPTO_VSN = 2.0.2.1
+CRYPTO_VSN = 2.0.2.2
diff --git a/lib/kernel/src/inet_res.erl b/lib/kernel/src/inet_res.erl
index de0f23bf24..93563c6011 100644
--- a/lib/kernel/src/inet_res.erl
+++ b/lib/kernel/src/inet_res.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2010. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2011. 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
@@ -539,27 +539,41 @@ udp_send(#sock{inet=I}, {A,B,C,D}=IP, Port, Buffer)
when ?ip(A,B,C,D), ?port(Port) ->
gen_udp:send(I, IP, Port, Buffer).
-udp_recv(#sock{inet6=I}, {A,B,C,D,E,F,G,H}=IP, Port, Timeout)
+udp_recv(#sock{inet6=I}, {A,B,C,D,E,F,G,H}=IP, Port, Timeout, Decode)
when ?ip6(A,B,C,D,E,F,G,H), ?port(Port) ->
- do_udp_recv(fun(T) -> gen_udp:recv(I, 0, T) end, IP, Port, Timeout);
-udp_recv(#sock{inet=I}, {A,B,C,D}=IP, Port, Timeout)
+ do_udp_recv(I, IP, Port, Timeout, Decode, erlang:now(), Timeout);
+udp_recv(#sock{inet=I}, {A,B,C,D}=IP, Port, Timeout, Decode)
when ?ip(A,B,C,D), ?port(Port) ->
- do_udp_recv(fun(T) -> gen_udp:recv(I, 0, T) end, IP, Port, Timeout).
-
-do_udp_recv(Recv, IP, Port, Timeout) ->
- do_udp_recv(Recv, IP, Port, Timeout,
- if Timeout =/= 0 -> erlang:now(); true -> undefined end).
-
-do_udp_recv(Recv, IP, Port, Timeout, Then) ->
- case Recv(Timeout) of
- {ok,{IP,Port,Answer}} ->
- {ok,Answer,erlang:max(0, Timeout - now_ms(erlang:now(), Then))};
- {ok,_} when Timeout =:= 0 ->
- {error,timeout};
- {ok,_} ->
- Now = erlang:now(),
- T = erlang:max(0, Timeout - now_ms(Now, Then)),
- do_udp_recv(Recv, IP, Port, T, Now);
+ do_udp_recv(I, IP, Port, Timeout, Decode, erlang:now(), Timeout).
+
+do_udp_recv(_I, _IP, _Port, 0, _Decode, _Start, _T) ->
+ timeout;
+do_udp_recv(I, IP, Port, Timeout, Decode, Start, T) ->
+ case gen_udp:recv(I, 0, T) of
+ {ok,Reply} ->
+ case Decode(Reply) of
+ false when T =:= 0 ->
+ %% This is a compromize between the hard way i.e
+ %% in the clause below if NewT becomes 0 bailout
+ %% immediately and risk that the right reply lies
+ %% ahead after some bad id replies, and the
+ %% forgiving way i.e go on with Timeout 0 until
+ %% the right reply comes or no reply (timeout)
+ %% which opens for a DOS attack by a malicious
+ %% DNS server flooding with bad id replies causing
+ %% an infinite loop here.
+ %%
+ %% Timeout is used as a sanity limit counter
+ %% just to put an end to the loop.
+ NewTimeout = erlang:max(0, Timeout - 50),
+ do_udp_recv(I, IP, Port, NewTimeout, Decode, Start, T);
+ false ->
+ Now = erlang:now(),
+ NewT = erlang:max(0, Timeout - now_ms(Now, Start)),
+ do_udp_recv(I, IP, Port, Timeout, Decode, Start, NewT);
+ Result ->
+ Result
+ end;
Error -> Error
end.
@@ -580,6 +594,17 @@ udp_close(#sock{inet=I,inet6=I6}) ->
%% end
%% end
%%
+%% But that man page also says dig always use num_servers = 1.
+%%
+%% Our man page says: timeout/retry, then double for next retry, i.e
+%% for i = 0 to retry - 1
+%% foreach nameserver
+%% send query
+%% wait((time * (2**i)) / retry)
+%% end
+%% end
+%%
+%% And that is what the code seems to do, now fixed, hopefully...
do_query(_Q, [], _Timer) ->
{error,nxdomain};
@@ -589,19 +614,16 @@ do_query(#q{options=#options{retry=Retry}}=Q, NSs, Timer) ->
query_retries(_Q, _NSs, _Timer, Retry, Retry, S) ->
udp_close(S),
{error,timeout};
+query_retries(_Q, [], _Timer, _Retry, _I, S) ->
+ udp_close(S),
+ {error,timeout};
query_retries(Q, NSs, Timer, Retry, I, S0) ->
- Num = length(NSs),
- if Num =:= 0 ->
- udp_close(S0),
- {error,timeout};
- true ->
- case query_nss(Q, NSs, Timer, Retry, I, S0, []) of
- {S,{noanswer,ErrNSs}} -> %% remove unreachable nameservers
- query_retries(Q, NSs--ErrNSs, Timer, Retry, I+1, S);
- {S,Result} ->
- udp_close(S),
- Result
- end
+ case query_nss(Q, NSs, Timer, Retry, I, S0, []) of
+ {S,{noanswer,ErrNSs}} -> %% remove unreachable nameservers
+ query_retries(Q, NSs--ErrNSs, Timer, Retry, I+1, S);
+ {S,Result} ->
+ udp_close(S),
+ Result
end.
query_nss(_Q, [], _Timer, _Retry, _I, S, ErrNSs) ->
@@ -611,13 +633,13 @@ query_nss(#q{edns=undefined}=Q, NSs, Timer, Retry, I, S, ErrNSs) ->
query_nss(Q, NSs, Timer, Retry, I, S, ErrNSs) ->
query_nss_edns(Q, NSs, Timer, Retry, I, S, ErrNSs).
-query_nss_edns(#q{options=#options{udp_payload_size=PSz}=Options,
- edns={Id,Buffer}}=Q,
- [{IP,Port}=NS|NSs]=NSs0, Timer, Retry, I, S0, ErrNSs) ->
- {S,Res}=Reply = query_ns(S0, Id, Buffer, IP, Port, Timer,
- Retry, I, Options, PSz),
+query_nss_edns(
+ #q{options=#options{udp_payload_size=PSz}=Options,edns={Id,Buffer}}=Q,
+ [{IP,Port}=NS|NSs]=NSs0, Timer, Retry, I, S0, ErrNSs) ->
+ {S,Res}=Reply =
+ query_ns(S0, Id, Buffer, IP, Port, Timer, Retry, I, Options, PSz),
case Res of
- timeout -> {S,{error,timeout}};
+ timeout -> {S,{error,timeout}}; % Bailout timeout
{ok,_} -> Reply;
{error,{nxdomain,_}} -> Reply;
{error,{E,_}} when E =:= qfmterror; E =:= notimp; E =:= servfail;
@@ -629,17 +651,19 @@ query_nss_edns(#q{options=#options{udp_payload_size=PSz}=Options,
query_nss(Q, NSs, Timer, Retry, I, S, ErrNSs)
end.
-query_nss_dns(#q{dns=Qdns}=Q0, [{IP,Port}=NS|NSs],
- Timer, Retry, I, S0, ErrNSs) ->
+query_nss_dns(
+ #q{dns=Qdns}=Q0,
+ [{IP,Port}=NS|NSs], Timer, Retry, I, S0, ErrNSs) ->
#q{options=Options,dns={Id,Buffer}}=Q =
if
is_function(Qdns, 0) -> Q0#q{dns=Qdns()};
true -> Q0
end,
- {S,Res}=Reply = query_ns(S0, Id, Buffer, IP, Port, Timer,
- Retry, I, Options, ?PACKETSZ),
+ {S,Res}=Reply =
+ query_ns(
+ S0, Id, Buffer, IP, Port, Timer, Retry, I, Options, ?PACKETSZ),
case Res of
- timeout -> {S,{error,timeout}};
+ timeout -> {S,{error,timeout}}; % Bailout timeout
{ok,_} -> Reply;
{error,{E,_}} when E =:= nxdomain; E =:= qfmterror -> Reply;
{error,E} when E =:= fmt; E =:= enetunreach; E =:= econnrefused ->
@@ -653,48 +677,66 @@ query_ns(S0, Id, Buffer, IP, Port, Timer, Retry, I,
PSz) ->
case UseVC orelse iolist_size(Buffer) > PSz of
true ->
- {S0,query_tcp(Tm, Id, Buffer, IP, Port, Timer, Verbose)};
+ TcpTimeout = inet:timeout(Tm*5, Timer),
+ {S0,query_tcp(TcpTimeout, Id, Buffer, IP, Port, Verbose)};
false ->
case udp_open(S0, IP) of
{ok,S} ->
- {S,case query_udp(S, Id, Buffer, IP, Port, Timer,
- Retry, I, Tm, Verbose) of
- {ok,#dns_rec{header=H}} when H#dns_header.tc ->
- query_tcp(Tm, Id, Buffer,
- IP, Port, Timer, Verbose);
- Reply -> Reply
- end};
+ Timeout =
+ inet:timeout( (Tm * (1 bsl I)) div Retry, Timer),
+ {S,
+ case query_udp(
+ S, Id, Buffer, IP, Port, Timeout, Verbose) of
+ {ok,#dns_rec{header=H}} when H#dns_header.tc ->
+ TcpTimeout = inet:timeout(Tm*5, Timer),
+ query_tcp(
+ TcpTimeout, Id, Buffer, IP, Port, Verbose);
+ Reply -> Reply
+ end};
Error ->
{S0,Error}
end
end.
-query_udp(S, Id, Buffer, IP, Port, Timer, Retry, I, Tm, Verbose) ->
- Timeout = inet:timeout( (Tm * (1 bsl I)) div Retry, Timer),
+query_udp(_S, _Id, _Buffer, _IP, _Port, 0, Verbose) ->
+ timeout;
+query_udp(S, Id, Buffer, IP, Port, Timeout, Verbose) ->
?verbose(Verbose, "Try UDP server : ~p:~p (timeout=~w)\n",
- [IP, Port, Timeout]),
- udp_connect(S, IP, Port),
- udp_send(S, IP, Port, Buffer),
- query_udp_recv(S, IP, Port, Id, Timeout, Verbose).
-
-query_udp_recv(S, IP, Port, Id, Timeout, Verbose) ->
- case udp_recv(S, IP, Port, Timeout) of
- {ok,Answer,T} ->
- case decode_answer(Answer, Id, Verbose) of
- {error, badid} ->
- query_udp_recv(S, IP, Port, Id, T, Verbose);
- Reply -> Reply
+ [IP,Port,Timeout]),
+ case
+ case udp_connect(S, IP, Port) of
+ ok ->
+ udp_send(S, IP, Port, Buffer);
+ E1 ->
+ E1 end of
+ ok ->
+ Decode =
+ fun ({RecIP,RecPort,Answer})
+ when RecIP =:= IP, RecPort =:= Port ->
+ case decode_answer(Answer, Id, Verbose) of
+ {error,badid} ->
+ false;
+ Reply ->
+ Reply
+ end;
+ ({_,_,_}) ->
+ false
+ end,
+ case udp_recv(S, IP, Port, Timeout, Decode) of
+ {ok,_}=Result ->
+ Result;
+ E2 ->
+ ?verbose(Verbose, "UDP server error: ~p\n", [E2]),
+ E2
end;
- {error, timeout} when Timeout =:= 0 ->
- ?verbose(Verbose, "UDP server timeout\n", []),
- timeout;
- Error ->
- ?verbose(Verbose, "UDP server error: ~p\n", [Error]),
- Error
+ E3 ->
+ ?verbose(Verbose, "UDP send failed: ~p\n", [E3]),
+ {error,econnrefused}
end.
-query_tcp(Tm, Id, Buffer, IP, Port, Timer, Verbose) ->
- Timeout = inet:timeout(Tm*5, Timer),
+query_tcp(0, _Id, _Buffer, _IP, _Port, Verbose) ->
+ timeout;
+query_tcp(Timeout, Id, Buffer, IP, Port, Verbose) ->
?verbose(Verbose, "Try TCP server : ~p:~p (timeout=~w)\n",
[IP, Port, Timeout]),
Family = case IP of
@@ -716,19 +758,10 @@ query_tcp(Tm, Id, Buffer, IP, Port, Timer, Verbose) ->
end;
Error ->
gen_tcp:close(S),
- case Error of
- {error, timeout} when Timeout =:= 0 ->
- ?verbose(Verbose, "TCP server recv timeout\n", []),
- timeout;
- _ ->
- ?verbose(Verbose, "TCP server recv error: ~p\n",
- [Error]),
- Error
- end
+ ?verbose(Verbose, "TCP server recv error: ~p\n",
+ [Error]),
+ Error
end;
- {error, timeout} when Timeout =:= 0 ->
- ?verbose(Verbose, "TCP server connect timeout\n", []),
- timeout;
Error ->
?verbose(Verbose, "TCP server error: ~p\n", [Error]),
Error
diff --git a/lib/kernel/test/file_SUITE.erl b/lib/kernel/test/file_SUITE.erl
index 8078c7d021..2f73394c4e 100644
--- a/lib/kernel/test/file_SUITE.erl
+++ b/lib/kernel/test/file_SUITE.erl
@@ -2055,6 +2055,10 @@ try_read_file_list(Fd) ->
?line Title = "Real Programmers Don't Use PASCAL</TITLE>\n",
?line Title = io:get_line(Fd, ''),
+ %% Seek past the end of the file.
+
+ ?line {ok, _} = ?FILE_MODULE:position(Fd, 25000),
+
%% Done.
?line ?FILE_MODULE:close(Fd),
diff --git a/lib/kernel/test/inet_res_SUITE.erl b/lib/kernel/test/inet_res_SUITE.erl
index 5fc8df475d..6064a9b2d9 100644
--- a/lib/kernel/test/inet_res_SUITE.erl
+++ b/lib/kernel/test/inet_res_SUITE.erl
@@ -27,7 +27,8 @@
-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
init_per_group/2,end_per_group/2,
init_per_testcase/2, end_per_testcase/2]).
--export([basic/1, resolve/1, edns0/1, txt_record/1, files_monitor/1]).
+-export([basic/1, resolve/1, edns0/1, txt_record/1, files_monitor/1,
+ last_ms_answer/1]).
-export([
gethostbyaddr/0, gethostbyaddr/1,
gethostbyaddr_v6/0, gethostbyaddr_v6/1,
@@ -45,6 +46,7 @@ suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
[basic, resolve, edns0, txt_record, files_monitor,
+ last_ms_answer,
gethostbyaddr, gethostbyaddr_v6, gethostbyname,
gethostbyname_v6, getaddr, getaddr_v6, ipv4_to_ipv6,
host_and_addr].
@@ -64,16 +66,15 @@ init_per_group(_GroupName, Config) ->
end_per_group(_GroupName, Config) ->
Config.
-zone_dir(basic) ->
- otptest;
-zone_dir(resolve) ->
- otptest;
-zone_dir(edns0) ->
- otptest;
-zone_dir(files_monitor) ->
- otptest;
-zone_dir(_) ->
- undefined.
+zone_dir(TC) ->
+ case TC of
+ basic -> otptest;
+ resolve -> otptest;
+ edns0 -> otptest;
+ files_monitor -> otptest;
+ last_ms_answer -> otptest;
+ _ -> undefined
+ end.
init_per_testcase(Func, Config) ->
PrivDir = ?config(priv_dir, Config),
@@ -184,6 +185,88 @@ ns_printlog(Fname) ->
ok
end.
+%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Behaviour modifying nameserver proxy
+
+proxy_start(TC, {NS,P}) ->
+ Tag = make_ref(),
+ Parent = self(),
+ Pid =
+ spawn_link(
+ fun () ->
+ try proxy_start(TC, NS, P, Parent, Tag)
+ catch C:X ->
+ io:format(
+ "~w: ~w:~p ~p~n",
+ [self(),C,X,erlang:get_stacktrace()])
+ end
+ end),
+ receive {started,Tag,Port} ->
+ ProxyNS = {{127,0,0,1},Port},
+ {proxy,Pid,Tag,ProxyNS}
+ end.
+
+proxy_start(TC, NS, P, Parent, Tag) ->
+ {ok,Outbound} = gen_udp:open(0, [binary]),
+ ok = gen_udp:connect(Outbound, NS, P),
+ {ok,Inbound} = gen_udp:open(0, [binary]),
+ {ok,Port} = inet:port(Inbound),
+ Parent ! {started,Tag,Port},
+ proxy(TC, Outbound, NS, P, Inbound).
+
+
+%% To provoke the last_ms_answer bug (OTP-9221) the proxy
+%% * Relays the query to the right nameserver
+%% * Intercepts the reply but holds it until the timer that
+%% was started when receiving the query fires.
+%% * Repeats the reply with incorrect query ID a number of
+%% times with a short interval.
+%% * Sends the correct reply, to give a correct test result
+%% after bug correction.
+%%
+%% The repetition of an incorrect answer with tight interval will keep
+%% inet_res in an inner loop in the code that decrements the remaining
+%% time until it hits 0 which triggers a crash, if the outer timeout
+%% parameter to inet_res:resolve is so short that it runs out during
+%% these repetitions.
+proxy(last_ms_answer, Outbound, NS, P, Inbound) ->
+ receive
+ {udp,Inbound,SrcIP,SrcPort,Data} ->
+ Time =
+ inet_db:res_option(timeout) div inet_db:res_option(retry),
+ Tag = erlang:make_ref(),
+ erlang:send_after(Time - 10, self(), {time,Tag}),
+ ok = gen_udp:send(Outbound, NS, P, Data),
+ receive
+ {udp,Outbound,NS,P,Reply} ->
+ {ok,Msg} = inet_dns:decode(Reply),
+ Hdr = inet_dns:msg(Msg, header),
+ Id = inet_dns:header(Hdr, id),
+ BadHdr =
+ inet_dns:make_header(Hdr, id, (Id+1) band 16#ffff),
+ BadMsg = inet_dns:make_msg(Msg, header, BadHdr),
+ BadReply = inet_dns:encode(BadMsg),
+ receive
+ {time,Tag} ->
+ proxy__last_ms_answer(
+ Inbound, SrcIP, SrcPort, BadReply, Reply, 30)
+ end
+ end
+ end.
+
+proxy__last_ms_answer(Socket, IP, Port, _, Reply, 0) ->
+ ok = gen_udp:send(Socket, IP, Port, Reply);
+proxy__last_ms_answer(Socket, IP, Port, BadReply, Reply, N) ->
+ ok = gen_udp:send(Socket, IP, Port, BadReply),
+ receive after 1 -> ok end,
+ proxy__last_ms_answer(Socket, IP, Port, BadReply, Reply, N-1).
+
+proxy_wait({proxy,Pid,_,_}) ->
+ Mref = erlang:monitor(process, Pid),
+ receive {'DOWN',Mref,_,_,_} -> ok end.
+
+proxy_ns({proxy,_,_,ProxyNS}) -> ProxyNS.
+
%%
%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -204,7 +287,7 @@ basic(Config) when is_list(Config) ->
{ok,Msg1} = inet_dns:decode(Bin1),
%%
%% resolve
- {ok,Msg2} = inet_res:resolve(Name, in, a, [{nameservers,[NS]}]),
+ {ok,Msg2} = inet_res:resolve(Name, in, a, [{nameservers,[NS]},verbose]),
io:format("~p~n", [Msg2]),
[RR2] = inet_dns:msg(Msg2, anlist),
IP = inet_dns:rr(RR2, data),
@@ -474,6 +557,26 @@ do_files_monitor(Config) ->
ok.
%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+last_ms_answer(doc) ->
+ ["Answer just when timeout is triggered (OTP-9221)"];
+last_ms_answer(Config) when is_list(Config) ->
+ NS = ns(Config),
+ Name = "ns.otptest",
+ %%IP = {127,0,0,254},
+ Time = inet_db:res_option(timeout) div inet_db:res_option(retry),
+ PSpec = proxy_start(last_ms_answer, NS),
+ ProxyNS = proxy_ns(PSpec),
+ %%
+ %% resolve; whith short timeout to trigger Timeout =:= 0 in inet_res
+ {error,timeout} =
+ inet_res:resolve(
+ Name, in, a, [{nameservers,[ProxyNS]},verbose], Time + 10),
+ %%
+ proxy_wait(PSpec),
+ ok.
+
+%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Compatibility tests. Call the inet_SUITE tests, but with
%% lookup = [file,dns] instead of [native]
diff --git a/lib/ssh/doc/src/notes.xml b/lib/ssh/doc/src/notes.xml
index af667b1a71..224b9d4af7 100644
--- a/lib/ssh/doc/src/notes.xml
+++ b/lib/ssh/doc/src/notes.xml
@@ -29,6 +29,19 @@
<file>notes.xml</file>
</header>
+<section><title>Ssh 2.0.5</title>
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>
+ Strengthened random number generation. (Thanks to Geoff Cant)</p>
+ <p>
+ Own Id: OTP-9225</p>
+ </item>
+ </list>
+ </section>
+</section>
+
<section><title>Ssh 2.0.4</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
diff --git a/lib/ssh/src/ssh.appup.src b/lib/ssh/src/ssh.appup.src
index 501da8ceb9..9be8c3c7d5 100644
--- a/lib/ssh/src/ssh.appup.src
+++ b/lib/ssh/src/ssh.appup.src
@@ -19,34 +19,44 @@
{"%VSN%",
[
- {"2.0.3", [{load_module, ssh_file, soft_purge, soft_purge, []},
+ {"2.0.4", [{load_module, ssh_bits, soft_purge, soft_purge, []},
+ {load_module, ssh_connection_handler, soft_purge, soft_purge, []}]},
+ {"2.0.3", [{load_module, ssh_bits, soft_purge, soft_purge, []},
+ {load_module, ssh_connection_handler, soft_purge, soft_purge, []},
+ {load_module, ssh_file, soft_purge, soft_purge, []},
{load_module, ssh, soft_purge, soft_purge, []},
{load_module, ssh_rsa, soft_purge, soft_purge, []},
{load_module, ssh_acceptor, soft_purge, soft_purge, []},
{load_module, ssh_transport, soft_purge, soft_purge, []},
{load_module, ssh_connection_manager, soft_purge, soft_purge, []}]},
- {"2.0.2", [{load_module, ssh_file, soft_purge, soft_purge, []},
+ {"2.0.2", [{load_module, ssh_bits, soft_purge, soft_purge, []},
+ {load_module, ssh_connection_handler, soft_purge, soft_purge, []},
+ {load_module, ssh_file, soft_purge, soft_purge, []},
{load_module, ssh, soft_purge, soft_purge, []},
{load_module, ssh_rsa, soft_purge, soft_purge, []},
{load_module, ssh_acceptor, soft_purge, soft_purge, []},
{load_module, ssh_transport, soft_purge, soft_purge, []},
- {load_module, ssh_connection_manager, soft_purge, soft_purge, []}]},
- {"2.0.1", [{restart_application, ssh}]}
+ {load_module, ssh_connection_manager, soft_purge, soft_purge, []}]}
],
[
- {"2.0.3", [{load_module, ssh_file, soft_purge, soft_purge, []},
+ {"2.0.4", [{load_module, ssh_bits, soft_purge, soft_purge, []},
+ {load_module, ssh_connection_handler, soft_purge, soft_purge, []}]},
+ {"2.0.3", [{load_module, ssh_bits, soft_purge, soft_purge, []},
+ {load_module, ssh_connection_handler, soft_purge, soft_purge, []},
+ {load_module, ssh_file, soft_purge, soft_purge, []},
{load_module, ssh, soft_purge, soft_purge, []},
{load_module, ssh_rsa, soft_purge, soft_purge, []},
{load_module, ssh_acceptor, soft_purge, soft_purge, []},
{load_module, ssh_transport, soft_purge, soft_purge, []},
{load_module, ssh_connection_manager, soft_purge, soft_purge, []}]},
- {"2.0.2", [{load_module, ssh_file, soft_purge, soft_purge, []},
+ {"2.0.2", [{load_module, ssh_bits, soft_purge, soft_purge, []},
+ {load_module, ssh_connection_handler, soft_purge, soft_purge, []},
+ {load_module, ssh_file, soft_purge, soft_purge, []},
{load_module, ssh, soft_purge, soft_purge, []},
{load_module, ssh_rsa, soft_purge, soft_purge, []},
{load_module, ssh_acceptor, soft_purge, soft_purge, []},
{load_module, ssh_transport, soft_purge, soft_purge, []},
- {load_module, ssh_connection_manager, soft_purge, soft_purge, []}]},
- {"2.0.1", [{restart_application, ssh}]}
+ {load_module, ssh_connection_manager, soft_purge, soft_purge, []}]}
]
}.
diff --git a/lib/ssh/src/ssh_bits.erl b/lib/ssh/src/ssh_bits.erl
index 399581a0fd..3f0a06575c 100755
--- a/lib/ssh/src/ssh_bits.erl
+++ b/lib/ssh/src/ssh_bits.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2005-2010. All Rights Reserved.
+%% Copyright Ericsson AB 2005-2011. 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
@@ -34,7 +34,7 @@
%% integer utils
-export([isize/1]).
-export([irandom/1, irandom/3]).
--export([random/1, random/3]).
+-export([random/1]).
-export([xor_bits/2, fill_bits/2]).
-export([i2bin/2, bin2i/1]).
@@ -401,9 +401,6 @@ xor_bits(XBits, YBits) ->
irandom(Bits) ->
irandom(Bits, 1, 0).
-%% irandom_odd(Bits) ->
-%% irandom(Bits, 1, 1).
-
%%
%% irandom(N, Top, Bottom)
%%
@@ -414,57 +411,16 @@ irandom(Bits) ->
%% Bot = 0 - do not set the least signifcant bit
%% Bot = 1 - set the least signifcant bit (i.e always odd)
%%
-irandom(0, _Top, _Bottom) ->
- 0;
-irandom(Bits, Top, Bottom) ->
- Bytes = (Bits+7) div 8,
- Skip = (8-(Bits rem 8)) rem 8,
- TMask = case Top of
- 0 -> 0;
- 1 -> 16#80;
- 2 -> 16#c0
- end,
- BMask = case Bottom of
- 0 -> 0;
- 1 -> (1 bsl Skip)
- end,
- <<X:Bits/big-unsigned-integer, _:Skip>> = random(Bytes, TMask, BMask),
- X.
+irandom(Bits, Top, Bottom) when is_integer(Top),
+ 0 =< Top, Top =< 2 ->
+ crypto:erlint(crypto:strong_rand_mpint(Bits, Top - 1, Bottom)).
%%
%% random/1
%% Generate N random bytes
%%
random(N) ->
- random(N, 0, 0).
-
-random(N, TMask, BMask) ->
- list_to_binary(rnd(N, TMask, BMask)).
-
-%% random/3
-%% random(Bytes, TopMask, BotMask)
-%% where
-%% Bytes is the number of bytes to generate
-%% TopMask is bitwised or'ed to the first byte
-%% BotMask is bitwised or'ed to the last byte
-%%
-rnd(0, _TMask, _BMask) ->
- [];
-rnd(1, TMask, BMask) ->
- [(rand8() bor TMask) bor BMask];
-rnd(N, TMask, BMask) ->
- [(rand8() bor TMask) | rnd_n(N-1, BMask)].
-
-rnd_n(1, BMask) ->
- [rand8() bor BMask];
-rnd_n(I, BMask) ->
- [rand8() | rnd_n(I-1, BMask)].
-
-rand8() ->
- (rand32() bsr 8) band 16#ff.
-
-rand32() ->
- random:uniform(16#100000000) -1.
+ crypto:strong_rand_bytes(N).
%%
%% Base 64 encode/decode
diff --git a/lib/ssh/src/ssh_connection_handler.erl b/lib/ssh/src/ssh_connection_handler.erl
index 0ba11b0a26..2d82e6d77d 100644
--- a/lib/ssh/src/ssh_connection_handler.erl
+++ b/lib/ssh/src/ssh_connection_handler.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2008-2010. All Rights Reserved.
+%% Copyright Ericsson AB 2008-2011. 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
@@ -106,8 +106,6 @@ peer_address(ConnectionHandler) ->
%% initialize.
%%--------------------------------------------------------------------
init([Role, Manager, Socket, SshOpts]) ->
- {A,B,C} = erlang:now(),
- random:seed(A, B, C),
{NumVsn, StrVsn} = ssh_transport:versions(Role, SshOpts),
ssh_bits:install_messages(ssh_transport:transport_messages(NumVsn)),
{Protocol, Callback, CloseTag} =
diff --git a/lib/ssh/vsn.mk b/lib/ssh/vsn.mk
index 51f9f47446..8c9f671fd5 100644
--- a/lib/ssh/vsn.mk
+++ b/lib/ssh/vsn.mk
@@ -1,5 +1,5 @@
#-*-makefile-*- ; force emacs to enter makefile-mode
-SSH_VSN = 2.0.4
+SSH_VSN = 2.0.5
APP_VSN = "ssh-$(SSH_VSN)"
diff --git a/lib/ssl/doc/src/ssl.xml b/lib/ssl/doc/src/ssl.xml
index f0a4d5ea3e..60ea4d547f 100644
--- a/lib/ssl/doc/src/ssl.xml
+++ b/lib/ssl/doc/src/ssl.xml
@@ -4,7 +4,7 @@
<erlref>
<header>
<copyright>
- <year>11999</year><year>2011</year>
+ <year>1999</year><year>2011</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
diff --git a/lib/stdlib/doc/src/supervisor.xml b/lib/stdlib/doc/src/supervisor.xml
index 45fa0847a8..d6203bdaa0 100644
--- a/lib/stdlib/doc/src/supervisor.xml
+++ b/lib/stdlib/doc/src/supervisor.xml
@@ -4,7 +4,7 @@
<erlref>
<header>
<copyright>
- <year>1996</year><year>2010</year>
+ <year>1996</year><year>2011</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -83,11 +83,17 @@
supervisor, where all child processes are dynamically added
instances of the same process type, i.e. running the same
code.</p>
- <p>The functions <c>terminate_child/2</c>, <c>delete_child/2</c>
+ <p>The functions <c>delete_child/2</c>
and <c>restart_child/2</c> are invalid for
<c>simple_one_for_one</c> supervisors and will return
<c>{error,simple_one_for_one}</c> if the specified supervisor
uses this restart strategy.</p>
+ <p>The function <c>terminate_child/2</c> can be used for
+ children under <c>simple_one_for_one</c> supervisors by
+ giving the child's <c>pid()</c> as the second argument. If
+ instead the child specification identifier is used,
+ <c>terminate_child/2</c> will return
+ <c>{error,simple_one_for_one}</c>.</p>
</item>
</list>
<p>To prevent a supervisor from getting into an infinite loop of
@@ -311,24 +317,33 @@ child_spec() = {Id,StartFunc,Restart,Shutdown,Type,Modules}
<type>
<v>SupRef = Name | {Name,Node} | {global,Name} | pid()</v>
<v>&nbsp;Name = Node = atom()</v>
- <v>Id = term()</v>
+ <v>Id = pid() | term()</v>
<v>Result = ok | {error,Error}</v>
<v>&nbsp;Error = not_found | simple_one_for_one</v>
</type>
<desc>
- <p>Tells the supervisor <c>SupRef</c> to terminate the child
- process corresponding to the child specification identified
- by <c>Id</c>. The process, if there is one, is terminated but
- the child specification is kept by the supervisor. This means
- that the child process may be later be restarted by
- the supervisor. The child process can also be restarted
- explicitly by calling <c>restart_child/2</c>. Use
- <c>delete_child/2</c> to remove the child specification.</p>
+ <p>Tells the supervisor <c>SupRef</c> to terminate the given
+ child.</p>
+ <p>If the supervisor is not <c>simple_one_for_one</c>,
+ <c>Id</c> must be the child specification identifier. The
+ process, if there is one, is terminated but the child
+ specification is kept by the supervisor. The child process
+ may later be restarted by the supervisor. The child process
+ can also be restarted explicitly by calling
+ <c>restart_child/2</c>. Use <c>delete_child/2</c> to remove
+ the child specification.</p>
+ <p>If the supervisor is <c>simple_one_for_one</c>, <c>Id</c>
+ must be the child process' <c>pid()</c>. I the specified
+ process is alive, but is not a child of the given
+ supervisor, the function will return
+ <c>{error,not_found}</c>. If the child specification
+ identifier is given instead instead of a <c>pid()</c>, the
+ function will return <c>{error,simple_one_for_one}</c>.</p>
+ <p>If successful, the function returns <c>ok</c>. If there is
+ no child specification with the specified <c>Id</c>, the
+ function returns <c>{error,not_found}</c>.</p>
<p>See <c>start_child/2</c> for a description of
<c>SupRef</c>.</p>
- <p>If successful, the function returns <c>ok</c>. If there is
- no child specification with the specified <c>Id</c>,
- the function returns <c>{error,not_found}</c>.</p>
</desc>
</func>
<func>
diff --git a/lib/stdlib/src/pool.erl b/lib/stdlib/src/pool.erl
index 7f5f23e26d..a3c9927ee9 100644
--- a/lib/stdlib/src/pool.erl
+++ b/lib/stdlib/src/pool.erl
@@ -95,6 +95,9 @@ pspawn_link(M, F, A) ->
start_nodes([], _, _) -> [];
start_nodes([Host|Tail], Name, Args) ->
case slave:start(Host, Name, Args) of
+ {error, {already_running, Node}} ->
+ io:format("Can't start node on host ~w due to ~w~n",[Host, {already_running, Node}]),
+ [Node | start_nodes(Tail, Name, Args)];
{error, R} ->
io:format("Can't start node on host ~w due to ~w~n",[Host, R]),
start_nodes(Tail, Name, Args);
diff --git a/lib/stdlib/src/supervisor.erl b/lib/stdlib/src/supervisor.erl
index 368dc2e3e5..4fd7f1d47c 100644
--- a/lib/stdlib/src/supervisor.erl
+++ b/lib/stdlib/src/supervisor.erl
@@ -138,7 +138,7 @@ delete_child(Supervisor, Name) ->
%%-----------------------------------------------------------------
-type term_err() :: 'not_found' | 'simple_one_for_one'.
--spec terminate_child(sup_ref(), term()) -> 'ok' | {'error', term_err()}.
+-spec terminate_child(sup_ref(), pid() | term()) -> 'ok' | {'error', term_err()}.
terminate_child(Supervisor, Name) ->
call(Supervisor, {terminate_child, Name}).
@@ -297,8 +297,26 @@ handle_call({start_child, EArgs}, _From, State) when ?is_simple(State) ->
{reply, What, State}
end;
-%%% The requests terminate_child, delete_child and restart_child are
-%%% invalid for simple_one_for_one supervisors.
+%% terminate_child for simple_one_for_one can only be done with pid
+handle_call({terminate_child, Name}, _From, State) when not is_pid(Name),
+ ?is_simple(State) ->
+ {reply, {error, simple_one_for_one}, State};
+
+handle_call({terminate_child, Name}, _From, State) ->
+ case get_child(Name, State, ?is_simple(State)) of
+ {value, Child} ->
+ case do_terminate(Child, State#state.name) of
+ #child{restart_type=RT} when RT=:=temporary; ?is_simple(State) ->
+ {reply, ok, state_del_child(Child, State)};
+ NChild ->
+ {reply, ok, replace_child(NChild, State)}
+ end;
+ false ->
+ {reply, {error, not_found}, State}
+ end;
+
+%%% The requests delete_child and restart_child are invalid for
+%%% simple_one_for_one supervisors.
handle_call({_Req, _Data}, _From, State) when ?is_simple(State) ->
{reply, {error, simple_one_for_one}, State};
@@ -341,19 +359,6 @@ handle_call({delete_child, Name}, _From, State) ->
{reply, {error, not_found}, State}
end;
-handle_call({terminate_child, Name}, _From, State) ->
- case get_child(Name, State) of
- {value, Child} ->
- case do_terminate(Child, State#state.name) of
- #child{restart_type = temporary} = NChild ->
- {reply, ok, state_del_child(NChild, State)};
- NChild ->
- {reply, ok, replace_child(NChild, State)}
- end;
- _ ->
- {reply, {error, not_found}, State}
- end;
-
handle_call(which_children, _From, #state{children = [#child{restart_type = temporary,
child_type = CT,
modules = Mods}]} =
@@ -849,7 +854,28 @@ split_child(_, [], After) ->
{lists:reverse(After), []}.
get_child(Name, State) ->
+ get_child(Name, State, false).
+get_child(Pid, State, AllowPid) when AllowPid, is_pid(Pid) ->
+ get_dynamic_child(Pid, State);
+get_child(Name, State, _) ->
lists:keysearch(Name, #child.name, State#state.children).
+
+get_dynamic_child(Pid, #state{children=[Child], dynamics=Dynamics}) ->
+ case is_dynamic_pid(Pid, dynamics_db(Child#child.restart_type, Dynamics)) of
+ true ->
+ {value, Child#child{pid=Pid}};
+ false ->
+ case erlang:is_process_alive(Pid) of
+ true -> false;
+ false -> {value, Child}
+ end
+ end.
+
+is_dynamic_pid(Pid, Dynamics) when is_list(Dynamics) ->
+ lists:member(Pid, Dynamics);
+is_dynamic_pid(Pid, Dynamics) ->
+ dict:is_key(Pid, Dynamics).
+
replace_child(Child, State) ->
Chs = do_replace_child(Child, State#state.children),
State#state{children = Chs}.
diff --git a/lib/stdlib/test/supervisor_SUITE.erl b/lib/stdlib/test/supervisor_SUITE.erl
index f9ceed8f84..cc271bd047 100644
--- a/lib/stdlib/test/supervisor_SUITE.erl
+++ b/lib/stdlib/test/supervisor_SUITE.erl
@@ -20,7 +20,7 @@
-module(supervisor_SUITE).
--include_lib("test_server/include/test_server.hrl").
+-include_lib("common_test/include/ct.hrl").
-define(TIMEOUT, 1000).
%% Testserver specific export
@@ -349,8 +349,7 @@ child_adm(Config) when is_list(Config) ->
ok = supervisor:terminate_child(sup_test, child1),
%% Start of already existing but not running process
- {error,already_present} =
- supervisor:start_child(sup_test, Child),
+ {error,already_present} = supervisor:start_child(sup_test, Child),
%% Restart
{ok, CPid2} = supervisor:restart_child(sup_test, child1),
@@ -377,6 +376,11 @@ child_adm(Config) when is_list(Config) ->
[{child1, CPid3, worker, []}] = supervisor:which_children(sup_test),
[1,1,0,1] = get_child_counts(sup_test),
+ %% Terminate with Pid not allowed when not simple_one_for_one
+ {error,not_found} = supervisor:terminate_child(sup_test, CPid3),
+ [{child1, CPid3, worker, []}] = supervisor:which_children(sup_test),
+ [1,1,0,1] = get_child_counts(sup_test),
+
{'EXIT',{noproc,{gen_server,call,[foo,which_children,infinity]}}}
= (catch supervisor:which_children(foo)),
{'EXIT',{noproc,{gen_server,call,[foo,count_children,infinity]}}}
@@ -412,16 +416,26 @@ child_adm_simple(Config) when is_list(Config) ->
[1,2,0,2] = get_child_counts(sup_test),
%% Termination
- {error, simple_one_for_one} =
- supervisor:terminate_child(sup_test, child1),
+ {error, simple_one_for_one} = supervisor:terminate_child(sup_test, child1),
+ [1,2,0,2] = get_child_counts(sup_test),
+ ok = supervisor:terminate_child(sup_test,CPid1),
+ [_] = supervisor:which_children(sup_test),
+ [1,1,0,1] = get_child_counts(sup_test),
+ false = erlang:is_process_alive(CPid1),
+ %% Terminate non-existing proccess is ok
+ ok = supervisor:terminate_child(sup_test,CPid1),
+ [_] = supervisor:which_children(sup_test),
+ [1,1,0,1] = get_child_counts(sup_test),
+ %% Terminate pid which is not a child of this supervisor is not ok
+ NoChildPid = spawn_link(fun() -> receive after infinity -> ok end end),
+ {error, not_found} = supervisor:terminate_child(sup_test, NoChildPid),
+ true = erlang:is_process_alive(NoChildPid),
%% Restart
- {error, simple_one_for_one} =
- supervisor:restart_child(sup_test, child1),
+ {error, simple_one_for_one} = supervisor:restart_child(sup_test, child1),
%% Deletion
- {error, simple_one_for_one} =
- supervisor:delete_child(sup_test, child1),
+ {error, simple_one_for_one} = supervisor:delete_child(sup_test, child1),
ok.
%%-------------------------------------------------------------------------
diff --git a/system/doc/design_principles/sup_princ.xml b/system/doc/design_principles/sup_princ.xml
index 067fd31961..2748f21bbe 100644
--- a/system/doc/design_principles/sup_princ.xml
+++ b/system/doc/design_principles/sup_princ.xml
@@ -4,7 +4,7 @@
<chapter>
<header>
<copyright>
- <year>1997</year><year>2009</year>
+ <year>1997</year><year>2011</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -335,6 +335,12 @@ supervisor:start_child(Pid, [id1])</code>
<c>apply(call, start_link, []++[id1])</c>, or actually:</p>
<code type="none">
call:start_link(id1)</code>
+ <p>A child under a <c>simple_one_for_one</c> supervisor can be terminated
+ with</p>
+ <code type="none">
+supervisor:terminate_child(Sup, Pid)</code>
+ <p>where <c>Sup</c> is the pid, or name, of the supervisor and
+ <c>Pid</c> is the pid of the child.</p>
</section>
<section>