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-rw-r--r--erts/doc/src/erlang.xml6
-rw-r--r--erts/emulator/beam/beam_bif_load.c70
-rw-r--r--erts/emulator/beam/beam_load.c560
-rw-r--r--erts/emulator/beam/beam_load.h4
-rw-r--r--erts/emulator/beam/erl_alloc.c18
-rw-r--r--erts/emulator/beam/erl_bif_ddll.c30
-rw-r--r--erts/emulator/beam/erl_db_hash.c24
-rw-r--r--erts/emulator/beam/erl_db_hash.h3
-rw-r--r--erts/emulator/beam/erl_init.c14
-rw-r--r--erts/emulator/beam/global.h11
-rw-r--r--erts/emulator/drivers/common/inet_drv.c27
-rw-r--r--erts/emulator/valgrind/suppress.patched.3.6.0307
-rw-r--r--erts/emulator/valgrind/suppress.standard268
-rw-r--r--lib/diameter/src/base/diameter.appup.src25
-rw-r--r--lib/diameter/test/diameter_app_SUITE.erl12
-rw-r--r--lib/diameter/vsn.mk2
-rw-r--r--lib/kernel/doc/src/net_kernel.xml4
-rw-r--r--lib/stdlib/doc/src/supervisor.xml61
-rw-r--r--system/doc/design_principles/sup_princ.xml7
19 files changed, 1004 insertions, 449 deletions
diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml
index b923a5f1fc..2ea144eb3f 100644
--- a/erts/doc/src/erlang.xml
+++ b/erts/doc/src/erlang.xml
@@ -3719,12 +3719,6 @@ os_prompt%</pre>
<tag><c>process_flag(save_calls, N)</c></tag>
<item>
- <p>When there are runnable processes on priority <c>max</c>
- no processes on priority <c>low</c>, <c>normal</c>, or
- <c>high</c> will be selected for execution. As with the
- <c>high</c> priority, processes on lower priorities might
- execute in parallel with processes on priority <c>max</c>.
- </p>
<p><c>N</c> must be an integer in the interval 0..10000.
If <c>N</c> &gt; 0, call saving is made active for the
process, which means that information about the <c>N</c>
diff --git a/erts/emulator/beam/beam_bif_load.c b/erts/emulator/beam/beam_bif_load.c
index 294b1578be..efb72cd3e7 100644
--- a/erts/emulator/beam/beam_bif_load.c
+++ b/erts/emulator/beam/beam_bif_load.c
@@ -50,11 +50,11 @@ load_module_2(BIF_ALIST_2)
{
Eterm reason;
Eterm* hp;
- int i;
int sz;
byte* code;
Eterm res;
byte* temp_alloc = NULL;
+ struct LoaderState* stp;
if (is_not_atom(BIF_ARG_1)) {
error:
@@ -64,47 +64,37 @@ load_module_2(BIF_ALIST_2)
if ((code = erts_get_aligned_binary_bytes(BIF_ARG_2, &temp_alloc)) == NULL) {
goto error;
}
- erts_smp_proc_unlock(BIF_P, ERTS_PROC_LOCK_MAIN);
- erts_smp_thr_progress_block();
-
hp = HAlloc(BIF_P, 3);
+
+ /*
+ * Read the BEAM file and prepare the module for loading.
+ */
+ stp = erts_alloc_loader_state();
sz = binary_size(BIF_ARG_2);
- if ((i = erts_load_module(BIF_P, 0,
- BIF_P->group_leader, &BIF_ARG_1, code, sz)) < 0) {
- switch (i) {
- case -1: reason = am_badfile; break;
- case -2: reason = am_nofile; break;
- case -3: reason = am_not_purged; break;
- case -4:
- reason = am_atom_put("native_code", sizeof("native_code")-1);
- break;
- case -5:
- {
- /*
- * The module contains an on_load function. The loader
- * has loaded the module as usual, except that the
- * export entries does not point into the module, so it
- * is not possible to call any code in the module.
- */
-
- ERTS_DECL_AM(on_load);
- reason = AM_on_load;
- break;
- }
- default: reason = am_badfile; break;
- }
+ reason = erts_prepare_loading(stp, BIF_P, BIF_P->group_leader,
+ &BIF_ARG_1, code, sz);
+ erts_free_aligned_binary_bytes(temp_alloc);
+ if (reason != NIL) {
res = TUPLE2(hp, am_error, reason);
- goto done;
+ BIF_RET(res);
}
- set_default_trace_pattern(BIF_ARG_1);
- res = TUPLE2(hp, am_module, BIF_ARG_1);
+ /*
+ * Stop all other processes and finish the loading of the module.
+ */
+ erts_smp_proc_unlock(BIF_P, ERTS_PROC_LOCK_MAIN);
+ erts_smp_thr_progress_block();
+
+ reason = erts_finish_loading(stp, BIF_P, 0, &BIF_ARG_1);
+ if (reason != NIL) {
+ res = TUPLE2(hp, am_error, reason);
+ } else {
+ set_default_trace_pattern(BIF_ARG_1);
+ res = TUPLE2(hp, am_module, BIF_ARG_1);
+ }
- done:
- erts_free_aligned_binary_bytes(temp_alloc);
erts_smp_thr_progress_unblock();
erts_smp_proc_lock(BIF_P, ERTS_PROC_LOCK_MAIN);
-
BIF_RET(res);
}
@@ -654,9 +644,6 @@ purge_module(int module)
* Any code to purge?
*/
if (modp->old_code == 0) {
- if (display_loads) {
- erts_printf("No code to purge for %T\n", make_atom(module));
- }
return -1;
}
@@ -772,7 +759,7 @@ delete_export_references(Eterm module)
}
-int
+Eterm
beam_make_current_old(Process *c_p, ErtsProcLocks c_p_locks, Eterm module)
{
Module* modp = erts_put_module(module);
@@ -783,15 +770,12 @@ beam_make_current_old(Process *c_p, ErtsProcLocks c_p_locks, Eterm module)
*/
if (modp->code != NULL && modp->old_code != NULL) {
- return -3;
+ return am_not_purged;
} else if (modp->old_code == NULL) { /* Make the current version old. */
- if (display_loads) {
- erts_printf("saving old code\n");
- }
delete_code(c_p, c_p_locks, modp);
delete_export_references(module);
}
- return 0;
+ return NIL;
}
static int
diff --git a/erts/emulator/beam/beam_load.c b/erts/emulator/beam/beam_load.c
index 3836f1ae96..10ed46417b 100644
--- a/erts/emulator/beam/beam_load.c
+++ b/erts/emulator/beam/beam_load.c
@@ -245,7 +245,7 @@ typedef struct {
* This structure contains all information about the module being loaded.
*/
-typedef struct {
+typedef struct LoaderState {
/*
* The current logical file within the binary.
*/
@@ -287,7 +287,6 @@ typedef struct {
BeamInstr* code; /* Loaded code. */
int ci; /* Current index into loaded code. */
Label* labels;
- BeamInstr new_bs_put_strings; /* Linked list of i_new_bs_put_string instructions. */
StringPatch* string_patches; /* Linked list of position into string table to patch. */
BeamInstr catches; /* Linked list of catch_yf instructions. */
unsigned loaded_size; /* Final size of code when loaded. */
@@ -351,11 +350,6 @@ typedef struct {
int loc_size; /* Size of location info in bytes (2/4) */
} LoaderState;
-typedef struct {
- unsigned num_functions; /* Number of functions. */
- Eterm* func_tab[1]; /* Pointers to each function. */
-} LoadedCode;
-
/*
* Layout of the line table.
*/
@@ -500,12 +494,10 @@ typedef struct {
} while (0)
-static int bin_load(Process *c_p, ErtsProcLocks c_p_locks,
- Eterm group_leader, Eterm* modp, byte* bytes, int unloaded_size);
-static void init_state(LoaderState* stp);
-static int insert_new_code(Process *c_p, ErtsProcLocks c_p_locks,
- Eterm group_leader, Eterm module,
- BeamInstr* code, Uint size, BeamInstr catches);
+static void free_state(LoaderState* stp);
+static Eterm insert_new_code(Process *c_p, ErtsProcLocks c_p_locks,
+ Eterm group_leader, Eterm module,
+ BeamInstr* code, Uint size);
static int scan_iff_file(LoaderState* stp, Uint* chunk_types,
Uint num_types, Uint num_mandatory);
static int load_atom_table(LoaderState* stp);
@@ -598,7 +590,7 @@ define_file(LoaderState* stp, char* name, int idx)
stp->file_left = stp->chunks[idx].size;
}
-int
+Eterm
erts_load_module(Process *c_p,
ErtsProcLocks c_p_locks,
Eterm group_leader, /* Group leader or NIL if none. */
@@ -607,29 +599,17 @@ erts_load_module(Process *c_p,
* On return, contains the actual module name.
*/
byte* code, /* Points to the code to load */
- int size) /* Size of code to load. */
+ Uint size) /* Size of code to load. */
{
- ErlDrvBinary* bin;
- int result;
+ LoaderState* stp = erts_alloc_loader_state();
+ Eterm retval;
- if (size >= 4 && code[0] == 'F' && code[1] == 'O' &&
- code[2] == 'R' && code[3] == '1') {
- /*
- * The BEAM module is not compressed.
- */
- result = bin_load(c_p, c_p_locks, group_leader, modp, code, size);
- } else {
- /*
- * The BEAM module is compressed (or possibly invalid/corrupted).
- */
- if ((bin = (ErlDrvBinary *) erts_gzinflate_buffer((char*)code, size)) == NULL) {
- return -1;
- }
- result = bin_load(c_p, c_p_locks, group_leader, modp,
- (byte*)bin->orig_bytes, bin->orig_size);
- driver_free_binary(bin);
+ retval = erts_prepare_loading(stp, c_p, group_leader, modp,
+ code, size);
+ if (retval != NIL) {
+ return retval;
}
- return result;
+ return erts_finish_loading(stp, c_p, c_p_locks, modp);
}
/* #define LOAD_MEMORY_HARD_DEBUG 1*/
@@ -644,16 +624,30 @@ extern void check_allocated_block(Uint type, void *blk);
#define CHKBLK(TYPE,BLK) /* nothing */
#endif
-static int
-bin_load(Process *c_p, ErtsProcLocks c_p_locks,
- Eterm group_leader, Eterm* modp, byte* bytes, int unloaded_size)
+Eterm
+erts_prepare_loading(LoaderState* stp, Process *c_p, Eterm group_leader,
+ Eterm* modp, byte* code, Uint unloaded_size)
{
- LoaderState state;
- int rval = -1;
+ Eterm retval = am_badfile;
+ ErlDrvBinary* bin = NULL;
- init_state(&state);
- state.module = *modp;
- state.group_leader = group_leader;
+ stp->module = *modp;
+ stp->group_leader = group_leader;
+
+ /*
+ * Check if the module is compressed (or possibly invalid/corrupted).
+ */
+ if ( !(unloaded_size >= 4 &&
+ code[0] == 'F' && code[1] == 'O' &&
+ code[2] == 'R' && code[3] == '1') ) {
+ bin = (ErlDrvBinary *)
+ erts_gzinflate_buffer((char*)code, unloaded_size);
+ if (bin == NULL) {
+ goto load_error;
+ }
+ code = (byte*)bin->orig_bytes;
+ unloaded_size = bin->orig_size;
+ }
/*
* Scan the IFF file.
@@ -664,11 +658,11 @@ bin_load(Process *c_p, ErtsProcLocks c_p_locks,
#endif
CHKALLOC();
- CHKBLK(ERTS_ALC_T_CODE,state.code);
- state.file_name = "IFF header for Beam file";
- state.file_p = bytes;
- state.file_left = unloaded_size;
- if (!scan_iff_file(&state, chunk_types, NUM_CHUNK_TYPES, NUM_MANDATORY)) {
+ CHKBLK(ERTS_ALC_T_CODE,stp->code);
+ stp->file_name = "IFF header for Beam file";
+ stp->file_p = code;
+ stp->file_left = unloaded_size;
+ if (!scan_iff_file(stp, chunk_types, NUM_CHUNK_TYPES, NUM_MANDATORY)) {
goto load_error;
}
@@ -676,38 +670,38 @@ bin_load(Process *c_p, ErtsProcLocks c_p_locks,
* Read the header for the code chunk.
*/
- CHKBLK(ERTS_ALC_T_CODE,state.code);
- define_file(&state, "code chunk header", CODE_CHUNK);
- if (!read_code_header(&state)) {
+ CHKBLK(ERTS_ALC_T_CODE,stp->code);
+ define_file(stp, "code chunk header", CODE_CHUNK);
+ if (!read_code_header(stp)) {
goto load_error;
}
/*
* Initialize code area.
*/
- state.code_buffer_size = erts_next_heap_size(2048 + state.num_functions, 0);
- state.code = (BeamInstr *) erts_alloc(ERTS_ALC_T_CODE,
- sizeof(BeamInstr) * state.code_buffer_size);
+ stp->code_buffer_size = erts_next_heap_size(2048 + stp->num_functions, 0);
+ stp->code = (BeamInstr *) erts_alloc(ERTS_ALC_T_CODE,
+ sizeof(BeamInstr) * stp->code_buffer_size);
- state.code[MI_NUM_FUNCTIONS] = state.num_functions;
- state.ci = MI_FUNCTIONS + state.num_functions + 1;
+ stp->code[MI_NUM_FUNCTIONS] = stp->num_functions;
+ stp->ci = MI_FUNCTIONS + stp->num_functions + 1;
- state.code[MI_ATTR_PTR] = 0;
- state.code[MI_ATTR_SIZE] = 0;
- state.code[MI_ATTR_SIZE_ON_HEAP] = 0;
- state.code[MI_COMPILE_PTR] = 0;
- state.code[MI_COMPILE_SIZE] = 0;
- state.code[MI_COMPILE_SIZE_ON_HEAP] = 0;
- state.code[MI_NUM_BREAKPOINTS] = 0;
+ stp->code[MI_ATTR_PTR] = 0;
+ stp->code[MI_ATTR_SIZE] = 0;
+ stp->code[MI_ATTR_SIZE_ON_HEAP] = 0;
+ stp->code[MI_COMPILE_PTR] = 0;
+ stp->code[MI_COMPILE_SIZE] = 0;
+ stp->code[MI_COMPILE_SIZE_ON_HEAP] = 0;
+ stp->code[MI_NUM_BREAKPOINTS] = 0;
/*
* Read the atom table.
*/
- CHKBLK(ERTS_ALC_T_CODE,state.code);
- define_file(&state, "atom table", ATOM_CHUNK);
- if (!load_atom_table(&state)) {
+ CHKBLK(ERTS_ALC_T_CODE,stp->code);
+ define_file(stp, "atom table", ATOM_CHUNK);
+ if (!load_atom_table(stp)) {
goto load_error;
}
@@ -715,9 +709,9 @@ bin_load(Process *c_p, ErtsProcLocks c_p_locks,
* Read the import table.
*/
- CHKBLK(ERTS_ALC_T_CODE,state.code);
- define_file(&state, "import table", IMP_CHUNK);
- if (!load_import_table(&state)) {
+ CHKBLK(ERTS_ALC_T_CODE,stp->code);
+ define_file(stp, "import table", IMP_CHUNK);
+ if (!load_import_table(stp)) {
goto load_error;
}
@@ -725,10 +719,10 @@ bin_load(Process *c_p, ErtsProcLocks c_p_locks,
* Read the lambda (fun) table.
*/
- CHKBLK(ERTS_ALC_T_CODE,state.code);
- if (state.chunks[LAMBDA_CHUNK].size > 0) {
- define_file(&state, "lambda (fun) table", LAMBDA_CHUNK);
- if (!read_lambda_table(&state)) {
+ CHKBLK(ERTS_ALC_T_CODE,stp->code);
+ if (stp->chunks[LAMBDA_CHUNK].size > 0) {
+ define_file(stp, "lambda (fun) table", LAMBDA_CHUNK);
+ if (!read_lambda_table(stp)) {
goto load_error;
}
}
@@ -737,10 +731,10 @@ bin_load(Process *c_p, ErtsProcLocks c_p_locks,
* Read the literal table.
*/
- CHKBLK(ERTS_ALC_T_CODE,state.code);
- if (state.chunks[LITERAL_CHUNK].size > 0) {
- define_file(&state, "literals table (constant pool)", LITERAL_CHUNK);
- if (!read_literal_table(&state)) {
+ CHKBLK(ERTS_ALC_T_CODE,stp->code);
+ if (stp->chunks[LITERAL_CHUNK].size > 0) {
+ define_file(stp, "literals table (constant pool)", LITERAL_CHUNK);
+ if (!read_literal_table(stp)) {
goto load_error;
}
}
@@ -749,35 +743,27 @@ bin_load(Process *c_p, ErtsProcLocks c_p_locks,
* Read the line table (if present).
*/
- CHKBLK(ERTS_ALC_T_CODE,state.code);
- if (state.chunks[LINE_CHUNK].size > 0) {
- define_file(&state, "line table", LINE_CHUNK);
- if (!read_line_table(&state)) {
+ CHKBLK(ERTS_ALC_T_CODE,stp->code);
+ if (stp->chunks[LINE_CHUNK].size > 0) {
+ define_file(stp, "line table", LINE_CHUNK);
+ if (!read_line_table(stp)) {
goto load_error;
}
}
/*
- * Since the literal table *may* have contained external
- * funs (containing references to export entries), now is
- * the time to consolidate the export tables.
- */
-
- erts_export_consolidate();
-
- /*
* Load the code chunk.
*/
- CHKBLK(ERTS_ALC_T_CODE,state.code);
- state.file_name = "code chunk";
- state.file_p = state.code_start;
- state.file_left = state.code_size;
- if (!load_code(&state)) {
+ CHKBLK(ERTS_ALC_T_CODE,stp->code);
+ stp->file_name = "code chunk";
+ stp->file_p = stp->code_start;
+ stp->file_left = stp->code_size;
+ if (!load_code(stp)) {
goto load_error;
}
- CHKBLK(ERTS_ALC_T_CODE,state.code);
- if (!freeze_code(&state)) {
+ CHKBLK(ERTS_ALC_T_CODE,stp->code);
+ if (!freeze_code(stp)) {
goto load_error;
}
@@ -787,9 +773,52 @@ bin_load(Process *c_p, ErtsProcLocks c_p_locks,
* loading the code, because it contains labels.)
*/
- CHKBLK(ERTS_ALC_T_CODE,state.code);
- define_file(&state, "export table", EXP_CHUNK);
- if (!read_export_table(&state)) {
+ CHKBLK(ERTS_ALC_T_CODE,stp->code);
+ define_file(stp, "export table", EXP_CHUNK);
+ if (!read_export_table(stp)) {
+ goto load_error;
+ }
+
+ /*
+ * Good so far.
+ */
+
+ retval = NIL;
+
+ load_error:
+ if (bin) {
+ driver_free_binary(bin);
+ }
+ if (retval != NIL) {
+ free_state(stp);
+ }
+ return retval;
+}
+
+Eterm
+erts_finish_loading(LoaderState* stp, Process* c_p,
+ ErtsProcLocks c_p_locks, Eterm* modp)
+{
+ Eterm retval;
+
+ /*
+ * No other process may run since we will update the export
+ * table which is not protected by any locks.
+ */
+
+ ERTS_SMP_LC_ASSERT(erts_initialized == 0 ||
+ erts_smp_thr_progress_is_blocking());
+
+ /*
+ * Make current code for the module old and insert the new code
+ * as current. This will fail if there already exists old code
+ * for the module.
+ */
+
+ CHKBLK(ERTS_ALC_T_CODE,stp->code);
+ retval = insert_new_code(c_p, c_p_locks, stp->group_leader, stp->module,
+ stp->code, stp->loaded_size);
+ if (retval != NIL) {
goto load_error;
}
@@ -798,104 +827,42 @@ bin_load(Process *c_p, ErtsProcLocks c_p_locks,
* exported and imported functions. This can't fail.
*/
- CHKBLK(ERTS_ALC_T_CODE,state.code);
- rval = insert_new_code(c_p, c_p_locks, state.group_leader, state.module,
- state.code, state.loaded_size, state.catches);
- if (rval < 0) {
- goto load_error;
- }
- CHKBLK(ERTS_ALC_T_CODE,state.code);
- final_touch(&state);
+ erts_export_consolidate();
+ CHKBLK(ERTS_ALC_T_CODE,stp->code);
+ final_touch(stp);
/*
* Loading succeded.
*/
- CHKBLK(ERTS_ALC_T_CODE,state.code);
+ CHKBLK(ERTS_ALC_T_CODE,stp->code);
#if defined(LOAD_MEMORY_HARD_DEBUG) && defined(DEBUG)
erts_fprintf(stderr,"Loaded %T\n",*modp);
#if 0
- debug_dump_code(state.code,state.ci);
+ debug_dump_code(stp->code,stp->ci);
#endif
#endif
- rval = 0;
- state.code = NULL; /* Prevent code from being freed. */
- *modp = state.module;
+ stp->code = NULL; /* Prevent code from being freed. */
+ *modp = stp->module;
/*
* If there is an on_load function, signal an error to
* indicate that the on_load function must be run.
*/
- if (state.on_load) {
- rval = -5;
+ if (stp->on_load) {
+ retval = am_on_load;
}
load_error:
- if (state.code != 0) {
- erts_free(ERTS_ALC_T_CODE, state.code);
- }
- if (state.labels != NULL) {
- erts_free(ERTS_ALC_T_LOADER_TMP, (void *) state.labels);
- }
- if (state.atom != NULL) {
- erts_free(ERTS_ALC_T_LOADER_TMP, (void *) state.atom);
- }
- if (state.import != NULL) {
- erts_free(ERTS_ALC_T_LOADER_TMP, (void *) state.import);
- }
- if (state.export != NULL) {
- erts_free(ERTS_ALC_T_LOADER_TMP, (void *) state.export);
- }
- if (state.lambdas != state.def_lambdas) {
- erts_free(ERTS_ALC_T_LOADER_TMP, (void *) state.lambdas);
- }
- if (state.literals != NULL) {
- int i;
- for (i = 0; i < state.num_literals; i++) {
- if (state.literals[i].heap != NULL) {
- erts_free(ERTS_ALC_T_LOADER_TMP, (void *) state.literals[i].heap);
- }
- }
- erts_free(ERTS_ALC_T_LOADER_TMP, (void *) state.literals);
- }
- while (state.literal_patches != NULL) {
- LiteralPatch* next = state.literal_patches->next;
- erts_free(ERTS_ALC_T_LOADER_TMP, (void *) state.literal_patches);
- state.literal_patches = next;
- }
- while (state.string_patches != NULL) {
- StringPatch* next = state.string_patches->next;
- erts_free(ERTS_ALC_T_LOADER_TMP, (void *) state.string_patches);
- state.string_patches = next;
- }
- while (state.genop_blocks) {
- GenOpBlock* next = state.genop_blocks->next;
- erts_free(ERTS_ALC_T_LOADER_TMP, (void *) state.genop_blocks);
- state.genop_blocks = next;
- }
-
- if (state.line_item != 0) {
- erts_free(ERTS_ALC_T_LOADER_TMP, state.line_item);
- }
-
- if (state.line_instr != 0) {
- erts_free(ERTS_ALC_T_LOADER_TMP, state.line_instr);
- }
-
- if (state.func_line != 0) {
- erts_free(ERTS_ALC_T_LOADER_TMP, state.func_line);
- }
-
- if (state.fname != 0) {
- erts_free(ERTS_ALC_T_LOADER_TMP, state.fname);
- }
-
- return rval;
+ free_state(stp);
+ return retval;
}
-
-static void
-init_state(LoaderState* stp)
+LoaderState*
+erts_alloc_loader_state(void)
{
+ LoaderState* stp;
+
+ stp = erts_alloc(ERTS_ALC_T_LOADER_TMP, sizeof(LoaderState));
stp->function = THE_NON_VALUE; /* Function not known yet */
stp->arity = 0;
stp->specific_op = -1;
@@ -923,23 +890,90 @@ init_state(LoaderState* stp)
stp->line_instr = 0;
stp->func_line = 0;
stp->fname = 0;
+ return stp;
}
-static int
+static void
+free_state(LoaderState* stp)
+{
+ if (stp->code != 0) {
+ erts_free(ERTS_ALC_T_CODE, stp->code);
+ }
+ if (stp->labels != NULL) {
+ erts_free(ERTS_ALC_T_LOADER_TMP, (void *) stp->labels);
+ }
+ if (stp->atom != NULL) {
+ erts_free(ERTS_ALC_T_LOADER_TMP, (void *) stp->atom);
+ }
+ if (stp->import != NULL) {
+ erts_free(ERTS_ALC_T_LOADER_TMP, (void *) stp->import);
+ }
+ if (stp->export != NULL) {
+ erts_free(ERTS_ALC_T_LOADER_TMP, (void *) stp->export);
+ }
+ if (stp->lambdas != stp->def_lambdas) {
+ erts_free(ERTS_ALC_T_LOADER_TMP, (void *) stp->lambdas);
+ }
+ if (stp->literals != NULL) {
+ int i;
+ for (i = 0; i < stp->num_literals; i++) {
+ if (stp->literals[i].heap != NULL) {
+ erts_free(ERTS_ALC_T_LOADER_TMP,
+ (void *) stp->literals[i].heap);
+ }
+ }
+ erts_free(ERTS_ALC_T_LOADER_TMP, (void *) stp->literals);
+ }
+ while (stp->literal_patches != NULL) {
+ LiteralPatch* next = stp->literal_patches->next;
+ erts_free(ERTS_ALC_T_LOADER_TMP, (void *) stp->literal_patches);
+ stp->literal_patches = next;
+ }
+ while (stp->string_patches != NULL) {
+ StringPatch* next = stp->string_patches->next;
+ erts_free(ERTS_ALC_T_LOADER_TMP, (void *) stp->string_patches);
+ stp->string_patches = next;
+ }
+ while (stp->genop_blocks) {
+ GenOpBlock* next = stp->genop_blocks->next;
+ erts_free(ERTS_ALC_T_LOADER_TMP, (void *) stp->genop_blocks);
+ stp->genop_blocks = next;
+ }
+
+ if (stp->line_item != 0) {
+ erts_free(ERTS_ALC_T_LOADER_TMP, stp->line_item);
+ }
+
+ if (stp->line_instr != 0) {
+ erts_free(ERTS_ALC_T_LOADER_TMP, stp->line_instr);
+ }
+
+ if (stp->func_line != 0) {
+ erts_free(ERTS_ALC_T_LOADER_TMP, stp->func_line);
+ }
+
+ if (stp->fname != 0) {
+ erts_free(ERTS_ALC_T_LOADER_TMP, stp->fname);
+ }
+ erts_free(ERTS_ALC_T_LOADER_TMP, stp);
+}
+
+static Eterm
insert_new_code(Process *c_p, ErtsProcLocks c_p_locks,
- Eterm group_leader, Eterm module, BeamInstr* code, Uint size, BeamInstr catches)
+ Eterm group_leader, Eterm module, BeamInstr* code,
+ Uint size)
{
Module* modp;
- int rval;
+ Eterm retval;
int i;
- if ((rval = beam_make_current_old(c_p, c_p_locks, module)) < 0) {
+ if ((retval = beam_make_current_old(c_p, c_p_locks, module)) < 0) {
erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf();
erts_dsprintf(dsbufp,
"Module %T must be purged before loading\n",
module);
erts_send_error_to_logger(group_leader, dsbufp);
- return rval;
+ return retval;
}
/*
@@ -950,7 +984,7 @@ insert_new_code(Process *c_p, ErtsProcLocks c_p_locks,
modp = erts_put_module(module);
modp->code = code;
modp->code_length = size;
- modp->catches = catches;
+ modp->catches = BEAM_CATCHES_NIL; /* Will be filled in later. */
/*
* Update address table (used for finding a function from a PC value).
@@ -972,7 +1006,7 @@ insert_new_code(Process *c_p, ErtsProcLocks c_p_locks,
modules[i].end = (BeamInstr *) (((byte *)code) + size);
num_loaded_modules++;
mid_module = &modules[num_loaded_modules/2];
- return 0;
+ return NIL;
}
static int
@@ -1607,7 +1641,6 @@ read_code_header(LoaderState* stp)
#endif
}
- stp->new_bs_put_strings = 0;
stp->catches = 0;
return 1;
@@ -2319,32 +2352,6 @@ load_code(LoaderState* stp)
stp->on_load = ci;
break;
case op_bs_put_string_II:
- {
- /*
- * At entry:
- *
- * code[ci-3] &&lb_i_new_bs_put_string_II
- * code[ci-2] length of string
- * code[ci-1] offset into string table
- *
- * Since we don't know the address of the string table yet,
- * just check the offset and length for validity, and use
- * the instruction field as a link field to link all put_string
- * instructions into a single linked list. At exit:
- *
- * code[ci-3] pointer to next i_new_bs_put_string instruction (or 0
- * if this is the last)
- */
- Uint offset = code[ci-1];
- Uint len = code[ci-2];
- unsigned strtab_size = stp->chunks[STR_CHUNK].size;
- if (offset > strtab_size || offset + len > strtab_size) {
- LoadError2(stp, "invalid string reference %d, size %d", offset, len);
- }
- code[ci-3] = stp->new_bs_put_strings;
- stp->new_bs_put_strings = ci - 3;
- }
- break;
case op_i_bs_match_string_rfII:
case op_i_bs_match_string_xfII:
new_string_patch(stp, ci-1);
@@ -3881,14 +3888,12 @@ freeze_code(LoaderState* stp)
{
BeamInstr* code = stp->code;
Uint *literal_end = NULL;
- Uint index;
int i;
byte* str_table;
unsigned strtab_size = stp->chunks[STR_CHUNK].size;
unsigned attr_size = stp->chunks[ATTR_CHUNK].size;
unsigned compile_size = stp->chunks[COMPILE_CHUNK].size;
Uint size;
- unsigned catches;
Sint decoded_size;
Uint line_size;
@@ -4101,20 +4106,8 @@ freeze_code(LoaderState* stp)
((byte *) code) + size);
/*
- * Go through all i_new_bs_put_strings instructions, restore the pointer to
- * the instruction and convert string offsets to pointers (to the
- * FIRST character).
+ * Patch all instructions that refer to the string table.
*/
-
- index = stp->new_bs_put_strings;
- while (index != 0) {
- Uint next = code[index];
- code[index] = BeamOpCode(op_bs_put_string_II);
- code[index+2] = (BeamInstr) (str_table + code[index+2]);
- index = next;
- }
- CHKBLK(ERTS_ALC_T_CODE,code);
-
{
StringPatch* sp = stp->string_patches;
@@ -4155,21 +4148,6 @@ freeze_code(LoaderState* stp)
CHKBLK(ERTS_ALC_T_CODE,code);
/*
- * Fix all catch_yf instructions.
- */
- index = stp->catches;
- catches = BEAM_CATCHES_NIL;
- while (index != 0) {
- BeamInstr next = code[index];
- code[index] = BeamOpCode(op_catch_yf);
- catches = beam_catches_cons((BeamInstr *)code[index+2], catches);
- code[index+2] = make_catch(catches);
- index = next;
- }
- stp->catches = catches;
- CHKBLK(ERTS_ALC_T_CODE,code);
-
- /*
* Save the updated code pointer and code size.
*/
@@ -4194,6 +4172,26 @@ final_touch(LoaderState* stp)
{
int i;
int on_load = stp->on_load;
+ unsigned catches;
+ Uint index;
+ BeamInstr* code = stp->code;
+ Module* modp;
+
+ /*
+ * Allocate catch indices and fix up all catch_yf instructions.
+ */
+
+ index = stp->catches;
+ catches = BEAM_CATCHES_NIL;
+ while (index != 0) {
+ BeamInstr next = code[index];
+ code[index] = BeamOpCode(op_catch_yf);
+ catches = beam_catches_cons((BeamInstr *)code[index+2], catches);
+ code[index+2] = make_catch(catches);
+ index = next;
+ }
+ modp = erts_put_module(stp->module);
+ modp->catches = catches;
/*
* Export functions.
@@ -5731,7 +5729,7 @@ patch_funentries(Eterm Patchlist)
Eterm
erts_make_stub_module(Process* p, Eterm Mod, Eterm Beam, Eterm Info)
{
- LoaderState state;
+ LoaderState* stp;
BeamInstr Funcs;
BeamInstr Patchlist;
Eterm* tp;
@@ -5750,10 +5748,10 @@ erts_make_stub_module(Process* p, Eterm Mod, Eterm Beam, Eterm Info)
Uint size;
/*
- * Must initialize state.lambdas here because the error handling code
+ * Must initialize stp->lambdas here because the error handling code
* at label 'error' uses it.
*/
- init_state(&state);
+ stp = erts_alloc_loader_state();
if (is_not_atom(Mod)) {
goto error;
@@ -5793,31 +5791,31 @@ erts_make_stub_module(Process* p, Eterm Mod, Eterm Beam, Eterm Info)
* Scan the Beam binary and read the interesting sections.
*/
- state.file_name = "IFF header for Beam file";
- state.file_p = bytes;
- state.file_left = size;
- state.module = Mod;
- state.group_leader = p->group_leader;
- state.num_functions = n;
- if (!scan_iff_file(&state, chunk_types, NUM_CHUNK_TYPES, NUM_MANDATORY)) {
+ stp->file_name = "IFF header for Beam file";
+ stp->file_p = bytes;
+ stp->file_left = size;
+ stp->module = Mod;
+ stp->group_leader = p->group_leader;
+ stp->num_functions = n;
+ if (!scan_iff_file(stp, chunk_types, NUM_CHUNK_TYPES, NUM_MANDATORY)) {
goto error;
}
- define_file(&state, "code chunk header", CODE_CHUNK);
- if (!read_code_header(&state)) {
+ define_file(stp, "code chunk header", CODE_CHUNK);
+ if (!read_code_header(stp)) {
goto error;
}
- define_file(&state, "atom table", ATOM_CHUNK);
- if (!load_atom_table(&state)) {
+ define_file(stp, "atom table", ATOM_CHUNK);
+ if (!load_atom_table(stp)) {
goto error;
}
- define_file(&state, "export table", EXP_CHUNK);
- if (!stub_read_export_table(&state)) {
+ define_file(stp, "export table", EXP_CHUNK);
+ if (!stub_read_export_table(stp)) {
goto error;
}
- if (state.chunks[LAMBDA_CHUNK].size > 0) {
- define_file(&state, "lambda (fun) table", LAMBDA_CHUNK);
- if (!read_lambda_table(&state)) {
+ if (stp->chunks[LAMBDA_CHUNK].size > 0) {
+ define_file(stp, "lambda (fun) table", LAMBDA_CHUNK);
+ if (!read_lambda_table(stp)) {
goto error;
}
}
@@ -5827,8 +5825,8 @@ erts_make_stub_module(Process* p, Eterm Mod, Eterm Beam, Eterm Info)
*/
code_size = ((WORDS_PER_FUNCTION+1)*n + MI_FUNCTIONS + 2) * sizeof(BeamInstr);
- code_size += state.chunks[ATTR_CHUNK].size;
- code_size += state.chunks[COMPILE_CHUNK].size;
+ code_size += stp->chunks[ATTR_CHUNK].size;
+ code_size += stp->chunks[COMPILE_CHUNK].size;
code = erts_alloc_fnf(ERTS_ALC_T_CODE, code_size);
if (!code) {
goto error;
@@ -5918,12 +5916,12 @@ erts_make_stub_module(Process* p, Eterm Mod, Eterm Beam, Eterm Info)
*/
info = (byte *) fp;
- info = stub_copy_info(&state, ATTR_CHUNK, info,
+ info = stub_copy_info(stp, ATTR_CHUNK, info,
code+MI_ATTR_PTR, code+MI_ATTR_SIZE_ON_HEAP);
if (info == NULL) {
goto error;
}
- info = stub_copy_info(&state, COMPILE_CHUNK, info,
+ info = stub_copy_info(stp, COMPILE_CHUNK, info,
code+MI_COMPILE_PTR, code+MI_COMPILE_SIZE_ON_HEAP);
if (info == NULL) {
goto error;
@@ -5933,9 +5931,8 @@ erts_make_stub_module(Process* p, Eterm Mod, Eterm Beam, Eterm Info)
* Insert the module in the module table.
*/
- rval = insert_new_code(p, 0, p->group_leader, Mod, code, code_size,
- BEAM_CATCHES_NIL);
- if (rval < 0) {
+ rval = insert_new_code(p, 0, p->group_leader, Mod, code, code_size);
+ if (rval != NIL) {
goto error;
}
@@ -5945,18 +5942,13 @@ erts_make_stub_module(Process* p, Eterm Mod, Eterm Beam, Eterm Info)
fp = code + ci;
for (i = 0; i < n; i++) {
- stub_final_touch(&state, fp);
+ stub_final_touch(stp, fp);
fp += WORDS_PER_FUNCTION;
}
if (patch_funentries(Patchlist)) {
erts_free_aligned_binary_bytes(temp_alloc);
- if (state.lambdas != state.def_lambdas) {
- erts_free(ERTS_ALC_T_LOADER_TMP, (void *) state.lambdas);
- }
- erts_free(ERTS_ALC_T_LOADER_TMP, (void *) state.labels);
- erts_free(ERTS_ALC_T_LOADER_TMP, (void *) state.atom);
- erts_free(ERTS_ALC_T_LOADER_TMP, (void *) state.export);
+ free_state(stp);
if (bin != NULL) {
driver_free_binary(bin);
}
@@ -5964,27 +5956,7 @@ erts_make_stub_module(Process* p, Eterm Mod, Eterm Beam, Eterm Info)
}
error:
- erts_free_aligned_binary_bytes(temp_alloc);
- if (code != NULL) {
- erts_free(ERTS_ALC_T_CODE, code);
- }
- if (state.labels != NULL) {
- erts_free(ERTS_ALC_T_LOADER_TMP, (void *) state.labels);
- }
- if (state.lambdas != state.def_lambdas) {
- erts_free(ERTS_ALC_T_LOADER_TMP, (void *) state.lambdas);
- }
- if (state.atom != NULL) {
- erts_free(ERTS_ALC_T_LOADER_TMP, (void *) state.atom);
- }
- if (state.export != NULL) {
- erts_free(ERTS_ALC_T_LOADER_TMP, (void *) state.export);
- }
- if (bin != NULL) {
- driver_free_binary(bin);
- }
-
-
+ free_state(stp);
BIF_ERROR(p, BADARG);
}
diff --git a/erts/emulator/beam/beam_load.h b/erts/emulator/beam/beam_load.h
index 9d4a60fed1..126d9a3935 100644
--- a/erts/emulator/beam/beam_load.h
+++ b/erts/emulator/beam/beam_load.h
@@ -23,7 +23,9 @@
#include "beam_opcodes.h"
#include "erl_process.h"
-int beam_make_current_old(Process *c_p, ErtsProcLocks c_p_locks, Eterm module);
+Eterm beam_make_current_old(Process *c_p, ErtsProcLocks c_p_locks,
+ Eterm module);
+
typedef struct gen_op_entry {
char* name;
diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c
index 33d6cf5f2f..140a84d5fc 100644
--- a/erts/emulator/beam/erl_alloc.c
+++ b/erts/emulator/beam/erl_alloc.c
@@ -2758,16 +2758,18 @@ erts_allocator_options(void *proc)
void *erts_alloc_permanent_cache_aligned(ErtsAlcType_t type, Uint size)
{
- UWord v = (UWord) erts_alloc(type, size + (ERTS_CACHE_LINE_SIZE-1));
+ UWord v = (UWord) erts_alloc(type, size + (ERTS_CACHE_LINE_SIZE-1)
+#ifdef VALGRIND
+ + sizeof(UWord)
+#endif
+ );
#ifdef VALGRIND
- { /* Avoid Leak_PossiblyLost */
- static UWord vg_root_set[10];
- static unsigned ix = 0;
- if (ix >= sizeof(vg_root_set) / sizeof(*vg_root_set)) {
- erl_exit(ERTS_ABORT_EXIT, "Too many erts_alloc_permanent_cache_aligned's\n");
- }
- vg_root_set[ix++] = v; /* not thread safe */
+ { /* Link them to avoid Leak_PossiblyLost */
+ static UWord* first_in_list = NULL;
+ *(UWord**)v = first_in_list;
+ first_in_list = (UWord*) v;
+ v += sizeof(UWord);
}
#endif
diff --git a/erts/emulator/beam/erl_bif_ddll.c b/erts/emulator/beam/erl_bif_ddll.c
index a9fd28c66b..b2d5722e9b 100644
--- a/erts/emulator/beam/erl_bif_ddll.c
+++ b/erts/emulator/beam/erl_bif_ddll.c
@@ -1569,14 +1569,14 @@ static int do_load_driver_entry(DE_Handle *dh, char *path, char *name)
if ((res = erts_sys_ddll_load_driver_init(dh->handle,
&init_handle)) != ERL_DE_NO_ERROR) {
- erts_sys_ddll_close(dh->handle);
- return ERL_DE_LOAD_ERROR_NO_INIT;
+ res = ERL_DE_LOAD_ERROR_NO_INIT;
+ goto error;
}
dp = erts_sys_ddll_call_init(init_handle);
if (dp == NULL) {
- erts_sys_ddll_close(dh->handle);
- return ERL_DE_LOAD_ERROR_FAILED_INIT;
+ res = ERL_DE_LOAD_ERROR_FAILED_INIT;
+ goto error;
}
switch (dp->extended_marker) {
@@ -1594,24 +1594,27 @@ static int do_load_driver_entry(DE_Handle *dh, char *path, char *name)
|| dp->handle2 != NULL
|| dp->process_exit != NULL) {
/* Old driver; needs to be recompiled... */
- return ERL_DE_LOAD_ERROR_INCORRECT_VERSION;
+ res = ERL_DE_LOAD_ERROR_INCORRECT_VERSION;
+ goto error;
}
break;
case ERL_DRV_EXTENDED_MARKER:
if (ERL_DRV_EXTENDED_MAJOR_VERSION != dp->major_version
|| ERL_DRV_EXTENDED_MINOR_VERSION < dp->minor_version) {
/* Incompatible driver version */
- return ERL_DE_LOAD_ERROR_INCORRECT_VERSION;
+ res = ERL_DE_LOAD_ERROR_INCORRECT_VERSION;
+ goto error;
}
break;
default:
/* Old driver; needs to be recompiled... */
- return ERL_DE_LOAD_ERROR_INCORRECT_VERSION;
+ res = ERL_DE_LOAD_ERROR_INCORRECT_VERSION;
+ goto error;
}
if (strcmp(name, dp->driver_name) != 0) {
- erts_sys_ddll_close(dh->handle);
- return ERL_DE_LOAD_ERROR_BAD_NAME;
+ res = ERL_DE_LOAD_ERROR_BAD_NAME;
+ goto error;
}
erts_smp_atomic_init_nob(&(dh->refc), (erts_aint_t) 0);
dh->port_count = 0;
@@ -1626,11 +1629,14 @@ static int do_load_driver_entry(DE_Handle *dh, char *path, char *name)
*/
erts_free(ERTS_ALC_T_DDLL_HANDLE, dh->full_path);
dh->full_path = NULL;
- erts_sys_ddll_close(dh->handle);
- return ERL_DE_LOAD_ERROR_FAILED_INIT;
+ res = ERL_DE_LOAD_ERROR_FAILED_INIT;
+ goto error;
}
-
return ERL_DE_NO_ERROR;
+
+error:
+ erts_sys_ddll_close(dh->handle);
+ return res;
}
static int do_unload_driver_entry(DE_Handle *dh, Eterm *save_name)
diff --git a/erts/emulator/beam/erl_db_hash.c b/erts/emulator/beam/erl_db_hash.c
index e3380a57b2..038a667b06 100644
--- a/erts/emulator/beam/erl_db_hash.c
+++ b/erts/emulator/beam/erl_db_hash.c
@@ -312,15 +312,24 @@ struct ext_segment {
struct segment* segtab[1]; /* The segment table */
};
#define SIZEOF_EXTSEG(NSEGS) \
- (sizeof(struct ext_segment) - sizeof(struct segment*) + sizeof(struct segment*)*(NSEGS))
+ (offsetof(struct ext_segment,segtab) + sizeof(struct segment*)*(NSEGS))
-#ifdef DEBUG
-# include <stddef.h> /* offsetof */
+#if defined(DEBUG) || defined(VALGRIND)
# define EXTSEG(SEGTAB_PTR) \
((struct ext_segment*) (((char*)(SEGTAB_PTR)) - offsetof(struct ext_segment,segtab)))
#endif
+static ERTS_INLINE void SET_SEGTAB(DbTableHash* tb,
+ struct segment** segtab)
+{
+ erts_smp_atomic_set_wb(&tb->segtab, (erts_aint_t) segtab);
+#ifdef VALGRIND
+ tb->top_ptr_to_segment_with_active_segtab = EXTSEG(segtab);
+#endif
+}
+
+
/* How the table segments relate to each other:
ext_segment: ext_segment: "plain" segment
@@ -649,7 +658,8 @@ int db_create_hash(Process *p, DbTable *tbl)
erts_smp_atomic_init_nob(&tb->szm, SEGSZ_MASK);
erts_smp_atomic_init_nob(&tb->nactive, SEGSZ);
erts_smp_atomic_init_nob(&tb->fixdel, (erts_aint_t)NULL);
- erts_smp_atomic_init_nob(&tb->segtab, (erts_aint_t) alloc_ext_seg(tb,0,NULL)->segtab);
+ erts_smp_atomic_init_nob(&tb->segtab, (erts_aint_t)NULL);
+ SET_SEGTAB(tb, alloc_ext_seg(tb,0,NULL)->segtab);
tb->nsegs = NSEG_1;
tb->nslots = SEGSZ;
@@ -2357,7 +2367,7 @@ static int alloc_seg(DbTableHash *tb)
struct ext_segment* eseg;
eseg = (struct ext_segment*) SEGTAB(tb)[seg_ix-1];
MY_ASSERT(eseg!=NULL && eseg->s.is_ext_segment);
- erts_smp_atomic_set_wb(&tb->segtab, (erts_aint_t) eseg->segtab);
+ SET_SEGTAB(tb, eseg->segtab);
tb->nsegs = eseg->nsegs;
}
ASSERT(seg_ix < tb->nsegs);
@@ -2429,7 +2439,7 @@ static int free_seg(DbTableHash *tb, int free_records)
MY_ASSERT(newtop->s.is_ext_segment);
if (newtop->prev_segtab != NULL) {
/* Time to use a smaller segtab */
- erts_smp_atomic_set_wb(&tb->segtab, (erts_aint_t)newtop->prev_segtab);
+ SET_SEGTAB(tb, newtop->prev_segtab);
tb->nsegs = seg_ix;
ASSERT(tb->nsegs == EXTSEG(SEGTAB(tb))->nsegs);
}
@@ -2446,7 +2456,7 @@ static int free_seg(DbTableHash *tb, int free_records)
if (seg_ix > 0) {
if (seg_ix < tb->nsegs) SEGTAB(tb)[seg_ix] = NULL;
} else {
- erts_smp_atomic_set_wb(&tb->segtab, (erts_aint_t)NULL);
+ SET_SEGTAB(tb, NULL);
}
#endif
tb->nslots -= SEGSZ;
diff --git a/erts/emulator/beam/erl_db_hash.h b/erts/emulator/beam/erl_db_hash.h
index e0285fa5ed..23ac493118 100644
--- a/erts/emulator/beam/erl_db_hash.h
+++ b/erts/emulator/beam/erl_db_hash.h
@@ -58,6 +58,9 @@ typedef struct db_table_hash {
#ifdef ERTS_SMP
DbTableHashFineLocks* locks;
#endif
+#ifdef VALGRIND
+ struct ext_segment* top_ptr_to_segment_with_active_segtab;
+#endif
} DbTableHash;
diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c
index 7c047891d9..7ae9f990ad 100644
--- a/erts/emulator/beam/erl_init.c
+++ b/erts/emulator/beam/erl_init.c
@@ -92,7 +92,6 @@ int erts_use_sender_punish;
*/
Uint display_items; /* no of items to display in traces etc */
-Uint display_loads; /* print info about loaded modules */
int H_MIN_SIZE; /* The minimum heap grain */
int BIN_VH_MIN_SIZE; /* The minimum binary virtual*/
@@ -437,7 +436,7 @@ static void
load_preloaded(void)
{
int i;
- int res;
+ Eterm res;
Preload* preload_p;
Eterm module_name;
byte* code;
@@ -456,8 +455,9 @@ load_preloaded(void)
name);
res = erts_load_module(NULL, 0, NIL, &module_name, code, length);
sys_preload_end(&preload_p[i]);
- if (res < 0)
- erl_exit(1,"Failed loading preloaded module %s\n", name);
+ if (res != NIL)
+ erl_exit(1,"Failed loading preloaded module %s (%T)\n",
+ name, res);
i++;
}
}
@@ -499,8 +499,6 @@ void erts_usage(void)
erts_fprintf(stderr, "-K boolean enable or disable kernel poll\n");
- erts_fprintf(stderr, "-l turn on auto load tracing\n");
-
erts_fprintf(stderr, "-M<X> <Y> memory allocator switches,\n");
erts_fprintf(stderr, " see the erts_alloc(3) documentation for more info.\n");
@@ -616,7 +614,6 @@ early_init(int *argc, char **argv) /*
erts_printf_eterm_func = erts_printf_term;
erts_disable_tolerant_timeofday = 0;
display_items = 200;
- display_loads = 0;
erts_backtrace_depth = DEFAULT_BACKTRACE_SIZE;
erts_async_max_threads = 0;
erts_async_thread_suggested_stack_size = ERTS_ASYNC_THREAD_MIN_STACK_SIZE;
@@ -981,9 +978,6 @@ erl_start(int argc, char **argv)
erts_fprintf(stderr, "%s unknown flag %s\n", argv[0], argv[i]);
erts_usage();
}
- case 'l':
- display_loads++;
- break;
case 'L':
erts_no_line_info = 1;
break;
diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h
index 4a4973baab..9f19172e08 100644
--- a/erts/emulator/beam/global.h
+++ b/erts/emulator/beam/global.h
@@ -555,7 +555,6 @@ extern Eterm node_cookie;
extern erts_smp_atomic_t erts_bytes_out; /* no bytes written out */
extern erts_smp_atomic_t erts_bytes_in; /* no bytes sent into the system */
extern Uint display_items; /* no of items to display in traces etc */
-extern Uint display_loads; /* print info about loaded modules */
extern int erts_backtrace_depth;
extern erts_smp_atomic32_t erts_max_gen_gcs;
@@ -867,8 +866,14 @@ typedef struct {
Eterm* fname_ptr; /* Pointer to fname table */
} FunctionInfo;
-int erts_load_module(Process *c_p, ErtsProcLocks c_p_locks,
- Eterm group_leader, Eterm* mod, byte* code, int size);
+struct LoaderState* erts_alloc_loader_state(void);
+Eterm erts_prepare_loading(struct LoaderState*, Process *c_p,
+ Eterm group_leader, Eterm* modp,
+ byte* code, Uint size);
+Eterm erts_finish_loading(struct LoaderState* stp, Process* c_p,
+ ErtsProcLocks c_p_locks, Eterm* modp);
+Eterm erts_load_module(Process *c_p, ErtsProcLocks c_p_locks,
+ Eterm group_leader, Eterm* mod, byte* code, Uint size);
void init_load(void);
BeamInstr* find_function_from_pc(BeamInstr* pc);
Eterm* erts_build_mfa_item(FunctionInfo* fi, Eterm* hp,
diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c
index 7c9dc9fd3b..2ff5f744d6 100644
--- a/erts/emulator/drivers/common/inet_drv.c
+++ b/erts/emulator/drivers/common/inet_drv.c
@@ -8614,32 +8614,29 @@ static int tcp_deliver(tcp_descriptor* desc, int len)
}
while (len > 0) {
- int code = 0;
+ int code;
inet_input_count(INETP(desc), len);
/* deliver binary? */
if (len*4 >= desc->i_buf->orig_size*3) { /* >=75% */
+ code = tcp_reply_binary_data(desc, desc->i_buf,
+ (desc->i_ptr_start -
+ desc->i_buf->orig_bytes),
+ len);
+ if (code < 0)
+ return code;
+
/* something after? */
if (desc->i_ptr_start + len == desc->i_ptr) { /* no */
- code = tcp_reply_binary_data(desc, desc->i_buf,
- (desc->i_ptr_start -
- desc->i_buf->orig_bytes),
- len);
tcp_clear_input(desc);
}
else { /* move trail to beginning of a new buffer */
- ErlDrvBinary* bin;
+ ErlDrvBinary* bin = alloc_buffer(desc->i_bufsz);
char* ptr_end = desc->i_ptr_start + len;
int sz = desc->i_ptr - ptr_end;
- bin = alloc_buffer(desc->i_bufsz);
memcpy(bin->orig_bytes, ptr_end, sz);
-
- code = tcp_reply_binary_data(desc, desc->i_buf,
- (desc->i_ptr_start-
- desc->i_buf->orig_bytes),
- len);
free_buffer(desc->i_buf);
desc->i_buf = bin;
desc->i_ptr_start = desc->i_buf->orig_bytes;
@@ -8651,17 +8648,15 @@ static int tcp_deliver(tcp_descriptor* desc, int len)
code = tcp_reply_data(desc, desc->i_ptr_start, len);
/* XXX The buffer gets thrown away on error (code < 0) */
/* Windows needs workaround for this in tcp_inet_event... */
+ if (code < 0)
+ return code;
desc->i_ptr_start += len;
if (desc->i_ptr_start == desc->i_ptr)
tcp_clear_input(desc);
else
desc->i_remain = 0;
-
}
- if (code < 0)
- return code;
-
count++;
len = 0;
diff --git a/erts/emulator/valgrind/suppress.patched.3.6.0 b/erts/emulator/valgrind/suppress.patched.3.6.0
new file mode 100644
index 0000000000..2647949672
--- /dev/null
+++ b/erts/emulator/valgrind/suppress.patched.3.6.0
@@ -0,0 +1,307 @@
+# Valgrind suppression file updated to support the patched
+# Valgrind used in daily builds on ahmed.
+
+{
+ libc internal error
+ Memcheck:Addr8
+ obj:/lib64/ld-2.3.5.so
+}
+{
+ libc internal error
+ Memcheck:Addr8
+ fun:_dl_start
+}
+{
+ libc internal error
+ Memcheck:Addr8
+ fun:__libc_start_main
+ obj:*
+}
+{
+ libc internal error
+ Memcheck:Addr4
+ fun:__sigjmp_save
+ fun:__libc_start_main
+ obj:*
+}
+{
+ libc internal error
+ Memcheck:Addr8
+ fun:__sigsetjmp
+ fun:__libc_start_main
+ obj:*
+}
+{
+ Intentional error in testcase
+ Memcheck:Param
+ pipe(filedes)
+ fun:pipe
+ fun:chkio_drv_timeout
+}
+{
+ Intentional error in testcase
+ Memcheck:Param
+ pipe(filedes)
+ fun:pipe
+ fun:io_ready_exit_drv_control
+ fun:erts_port_control
+ fun:port_control_3
+ fun:process_main
+}
+{
+ Leak in libc putenv
+ Memcheck:Leak
+ fun:malloc
+ fun:realloc
+ fun:__add_to_environ
+ fun:putenv
+ fun:erts_sys_putenv
+ fun:os_putenv_2
+ fun:process_main
+}
+{
+Leak in libc putenv
+Memcheck:Leak
+fun:malloc
+fun:erts_sys_alloc
+...
+fun:erts_alloc
+fun:erts_sys_putenv
+fun:os_putenv_2
+fun:process_main
+}
+{
+ erronous warning
+ Memcheck:Leak
+ fun:malloc
+ fun:erts_sys_alloc
+ ...
+ fun:fix_core_alloc
+ fun:erts_init_fix_alloc
+ fun:erts_alloc_init
+ fun:early_init
+ fun:erl_start
+}
+{
+ pthread internal error
+ Memcheck:Param
+ futex(utime)
+ fun:__lll_mutex_unlock_wake
+}
+{
+ libc internal error
+ Memcheck:Param
+ socketcall.sendto(msg)
+ ...
+ fun:getifaddrs
+}
+{
+inet_drv; pointer inside allocated block
+Memcheck:Leak
+PossiblyLost
+fun:realloc
+fun:erts_sys_realloc
+...
+fun:erts_realloc_fnf
+fun:erts_bin_realloc_fnf
+fun:driver_realloc_binary
+}
+{
+inet_drv; pointer inside allocated block
+Memcheck:Leak
+PossiblyLost
+fun:malloc
+fun:erts_sys_alloc
+...
+fun:erts_alloc_fnf
+fun:erts_bin_drv_alloc_fnf
+fun:driver_alloc_binary
+}
+{
+pthread leak or erroneous valgrind warning
+Memcheck:Leak
+fun:calloc
+fun:allocate_dtv
+fun:_dl_allocate_tls
+fun:pthread_create@@GLIBC_2.2.5
+}
+{
+pthread leak or erroneous valgrind warning
+Memcheck:Leak
+fun:calloc
+fun:_dl_allocate_tls
+fun:pthread_create@@GLIBC_2.2.5
+}
+{
+zlib; ok according to zlib developers
+Memcheck:Cond
+fun:longest_match
+fun:deflate_slow
+fun:deflate
+}
+{
+zlib; ok according to zlib developers
+Memcheck:Cond
+fun:longest_match
+fun:deflate_fast
+fun:deflate
+}
+{
+zlib; ok accordnig to zlib (this one popped up with valgrind-3.6.0)
+Memcheck:Cond
+fun:deflate_slow
+fun:deflate
+fun:zlib_deflate
+fun:zlib_ctl
+}
+{
+No leak; pointer into block
+Memcheck:Leak
+fun:malloc
+fun:erts_sys_alloc
+...
+fun:erts_alloc
+fun:erts_init_scheduling
+fun:erl_init
+fun:erl_start
+fun:main
+}
+{
+No leak; pointer into block
+Memcheck:Leak
+PossiblyLost
+fun:malloc
+fun:erts_sys_alloc
+...
+fun:erts_alloc
+fun:init_db
+fun:erl_init
+fun:erl_start
+fun:main
+}
+{
+No leak; sometimes pointer into block
+Memcheck:Leak
+PossiblyLost
+fun:malloc
+fun:erts_sys_alloc
+...
+fun:erts_alloc_fnf
+fun:driver_alloc
+fun:get_bufstk
+fun:alloc_buffer
+}
+{
+ Crypto internal...
+Memcheck:Cond
+obj:*/crypto.valgrind.*
+}
+{
+ Crypto internal...
+Memcheck:Cond
+obj:*/libcrypto.*
+}
+{
+ Crypto internal...
+Memcheck:Cond
+obj:*/openssl.*
+}
+{
+ Crypto internal...
+Memcheck:Cond
+obj:*/ssleay.*
+}
+{
+ Crypto internal...
+Memcheck:Value8
+obj:*/crypto.valgrind.*
+}
+{
+ Crypto internal...
+Memcheck:Value8
+obj:*/libcrypto.*
+}
+{
+ Crypto internal...
+Memcheck:Value8
+obj:*/openssl.*
+}
+{
+ Crypto internal...
+Memcheck:Value8
+obj:*/ssleay.*
+}
+{
+ Crypto internal...
+ Memcheck:Cond
+ fun:memset
+ fun:BN_lshift
+ fun:BN_div
+ fun:BN_MONT_CTX_set
+ fun:BN_is_prime_fasttest_ex
+ fun:BN_generate_prime_ex
+ fun:DH_generate_parameters_ex
+ fun:DH_generate_parameters
+ fun:dh_generate_parameters_nif
+ fun:process_main
+ fun:sched_thread_func
+ fun:thr_wrapper
+}
+{
+ Crypto internal...
+ Memcheck:Cond
+ fun:memset
+ fun:BN_lshift
+ fun:BN_div
+ fun:BN_nnmod
+ fun:BN_mod_inverse
+ fun:BN_MONT_CTX_set
+ fun:BN_is_prime_fasttest_ex
+ fun:BN_generate_prime_ex
+ fun:DH_generate_parameters_ex
+ fun:DH_generate_parameters
+ fun:dh_generate_parameters_nif
+ fun:process_main
+}
+{
+ Crypto internal...
+ Memcheck:Value8
+ fun:BN_mod_exp_mont_consttime
+ fun:generate_key
+ fun:dh_generate_key_nif
+ fun:process_main
+ fun:sched_thread_func
+ fun:thr_wrapper
+ fun:start_thread
+ fun:clone
+}
+
+{
+erts_bits_init_state; Why is this needed?
+Memcheck:Leak
+PossiblyLost
+fun:malloc
+fun:erts_sys_alloc
+...
+fun:erts_alloc
+fun:erts_bits_init_state
+fun:erts_init_scheduling
+fun:erl_init
+fun:erl_start
+fun:main
+}
+
+{
+Prebuilt constant terms in os_info_init
+Memcheck:Leak
+PossiblyLost
+fun:malloc
+fun:erts_sys_alloc
+...
+fun:erts_alloc
+fun:os_info_init
+fun:erts_bif_info_init
+fun:erl_init
+fun:erl_start
+fun:main
+}
diff --git a/erts/emulator/valgrind/suppress.standard b/erts/emulator/valgrind/suppress.standard
new file mode 100644
index 0000000000..d759038c97
--- /dev/null
+++ b/erts/emulator/valgrind/suppress.standard
@@ -0,0 +1,268 @@
+{
+ libc internal error
+ Memcheck:Addr8
+ obj:/lib64/ld-2.3.5.so
+}
+{
+ libc internal error
+ Memcheck:Addr8
+ fun:_dl_start
+}
+{
+ libc internal error
+ Memcheck:Addr8
+ fun:__libc_start_main
+ obj:*
+}
+{
+ libc internal error
+ Memcheck:Addr4
+ fun:__sigjmp_save
+ fun:__libc_start_main
+ obj:*
+}
+{
+ libc internal error
+ Memcheck:Addr8
+ fun:__sigsetjmp
+ fun:__libc_start_main
+ obj:*
+}
+{
+ Intentional error in testcase
+ Memcheck:Param
+ pipe(filedes)
+ fun:pipe
+ fun:chkio_drv_timeout
+}
+{
+ Intentional error in testcase
+ Memcheck:Param
+ pipe(filedes)
+ fun:pipe
+ fun:io_ready_exit_drv_control
+ fun:erts_port_control
+ fun:port_control_3
+ fun:process_main
+}
+{
+ Leak in libc putenv
+ Memcheck:Leak
+ fun:malloc
+ fun:realloc
+ fun:__add_to_environ
+ fun:putenv
+ fun:erts_sys_putenv
+ fun:os_putenv_2
+ fun:process_main
+}
+{
+Leak in libc putenv
+Memcheck:Leak
+fun:malloc
+fun:erts_sys_alloc
+...
+fun:erts_alloc
+fun:erts_sys_putenv
+fun:os_putenv_2
+fun:process_main
+}
+{
+ erronous warning
+ Memcheck:Leak
+ fun:malloc
+ fun:erts_sys_alloc
+ fun:fix_core_alloc
+ fun:erts_init_fix_alloc
+ fun:erts_alloc_init
+ fun:early_init
+ fun:erl_start
+}
+{
+ pthread internal error
+ Memcheck:Param
+ futex(utime)
+ fun:__lll_mutex_unlock_wake
+}
+{
+ libc internal error
+ Memcheck:Param
+ socketcall.sendto(msg)
+ ...
+ fun:getifaddrs
+}
+{
+inet_drv; pointer inside allocated block
+Memcheck:Leak
+fun:realloc
+fun:erts_sys_realloc
+...
+fun:erts_realloc_fnf
+fun:erts_bin_realloc_fnf
+fun:driver_realloc_binary
+}
+{
+inet_drv; pointer inside allocated block
+Memcheck:Leak
+fun:malloc
+fun:erts_sys_alloc
+...
+fun:erts_alloc_fnf
+fun:erts_bin_drv_alloc_fnf
+fun:driver_alloc_binary
+}
+{
+pthread leak or erroneous valgrind warning
+Memcheck:Leak
+fun:calloc
+fun:allocate_dtv
+fun:_dl_allocate_tls
+fun:pthread_create@@GLIBC_2.2.5
+}
+{
+zlib; ok according to zlib developers
+Memcheck:Cond
+fun:longest_match
+fun:deflate_slow
+fun:deflate
+}
+{
+zlib; ok according to zlib developers
+Memcheck:Cond
+fun:longest_match
+fun:deflate_fast
+fun:deflate
+}
+{
+No leak; pointer into block
+Memcheck:Leak
+fun:malloc
+fun:erts_sys_alloc
+...
+fun:erts_alloc
+fun:erts_init_scheduling
+fun:erl_init
+fun:erl_start
+fun:main
+}
+{
+No leak; pointer into block
+Memcheck:Leak
+fun:malloc
+fun:erts_sys_alloc
+...
+fun:erts_alloc
+fun:init_db
+fun:erl_init
+fun:erl_start
+fun:main
+}
+{
+No leak; sometimes pointer into block
+Memcheck:Leak
+fun:malloc
+fun:erts_sys_alloc
+...
+fun:erts_alloc_fnf
+fun:driver_alloc
+fun:get_bufstk
+fun:alloc_buffer
+}
+{
+ Crypto internal...
+Memcheck:Cond
+obj:*/crypto.valgrind.*
+}
+{
+ Crypto internal...
+Memcheck:Cond
+obj:*/libcrypto.*
+}
+{
+ Crypto internal...
+Memcheck:Cond
+obj:*/openssl.*
+}
+{
+ Crypto internal...
+Memcheck:Cond
+obj:*/ssleay.*
+}
+{
+ Crypto internal...
+Memcheck:Value8
+obj:*/crypto.valgrind.*
+}
+{
+ Crypto internal...
+Memcheck:Value8
+obj:*/libcrypto.*
+}
+{
+ Crypto internal...
+Memcheck:Value8
+obj:*/openssl.*
+}
+{
+ Crypto internal...
+Memcheck:Value8
+obj:*/ssleay.*
+}
+{
+ Crypto internal...
+ Memcheck:Cond
+ fun:memset
+ fun:BN_lshift
+ fun:BN_div
+ fun:BN_MONT_CTX_set
+ fun:BN_is_prime_fasttest_ex
+ fun:BN_generate_prime_ex
+ fun:DH_generate_parameters_ex
+ fun:DH_generate_parameters
+ fun:dh_generate_parameters_nif
+ fun:process_main
+ fun:sched_thread_func
+ fun:thr_wrapper
+}
+{
+ Crypto internal...
+ Memcheck:Cond
+ fun:memset
+ fun:BN_lshift
+ fun:BN_div
+ fun:BN_nnmod
+ fun:BN_mod_inverse
+ fun:BN_MONT_CTX_set
+ fun:BN_is_prime_fasttest_ex
+ fun:BN_generate_prime_ex
+ fun:DH_generate_parameters_ex
+ fun:DH_generate_parameters
+ fun:dh_generate_parameters_nif
+ fun:process_main
+}
+{
+ Crypto internal...
+ Memcheck:Value8
+ fun:BN_mod_exp_mont_consttime
+ fun:generate_key
+ fun:dh_generate_key_nif
+ fun:process_main
+ fun:sched_thread_func
+ fun:thr_wrapper
+ fun:start_thread
+ fun:clone
+}
+
+{
+Prebuilt constant terms in os_info_init (PossiblyLost)
+Memcheck:Leak
+fun:malloc
+fun:erts_sys_alloc
+...
+fun:erts_alloc
+fun:os_info_init
+fun:erts_bif_info_init
+fun:erl_init
+fun:erl_start
+fun:main
+}
diff --git a/lib/diameter/src/base/diameter.appup.src b/lib/diameter/src/base/diameter.appup.src
index 6d8ceadb92..b1c94d4cc8 100644
--- a/lib/diameter/src/base/diameter.appup.src
+++ b/lib/diameter/src/base/diameter.appup.src
@@ -20,28 +20,11 @@
{"%VSN%",
[
- {"0.9",
- [
- {load_module, diameter, soft_purge, soft_purge, []},
- {load_module, diameter_capx, soft_purge, soft_purge, []},
- {load_module, diameter_codec, soft_purge, soft_purge, [diameter_lib]},
- {load_module, diameter_lib, soft_purge, soft_purge, []},
- {load_module, diameter_types, soft_purge, soft_purge, []},
- {load_module, diameter_gen_base_accounting, soft_purge, soft_purge, []},
- {load_module, diameter_gen_base_rfc3588, soft_purge, soft_purge, []},
- {load_module, diameter_gen_relay, soft_purge, soft_purge, []},
- {update, diameter_service, soft, soft_purge, soft_purge, [diameter_lib]},
- {update, diameter_config, soft, soft_purge, soft_purge, []},
- {update, diameter_peer, soft, soft_purge, soft_purge, []},
- {update, diameter_peer_fsm, soft, soft_purge, soft_purge, [diameter_lib]},
- {update, diameter_reg, soft, soft_purge, soft_purge, []},
- {update, diameter_sctp, soft, soft_purge, soft_purge, []},
- {update, diameter_stats, soft, soft_purge, soft_purge, []},
- {update, diameter_sync, soft, soft_purge, soft_purge, []},
- {update, diameter_watchdog, soft, soft_purge, soft_purge, [diameter_lib]}
- ]
- }
+ {"0.9", [{restart_application, diameter}]},
+ {"0.10", [{restart_application, diameter}]}
],
[
+ {"0.9", [{restart_application, diameter}]},
+ {"0.10", [{restart_application, diameter}]}
]
}.
diff --git a/lib/diameter/test/diameter_app_SUITE.erl b/lib/diameter/test/diameter_app_SUITE.erl
index d5ecdea291..7f53a4ddd4 100644
--- a/lib/diameter/test/diameter_app_SUITE.erl
+++ b/lib/diameter/test/diameter_app_SUITE.erl
@@ -134,13 +134,16 @@ release(Config) ->
Rel = {release,
{"diameter test release", fetch(vsn, App)},
{erts, erlang:system_info(version)},
- [{A, appvsn(A)} || A <- fetch(applications, App)]},
+ [{A, appvsn(A)} || A <- [sasl | fetch(applications, App)]]},
Dir = fetch(priv_dir, Config),
ok = write_file(filename:join([Dir, "diameter_test.rel"]), Rel),
{ok, _, []} = systools:make_script("diameter_test", [{path, [Dir]},
{outdir, Dir},
silent]).
+%% sasl need to be included to avoid a missing_sasl warning, error
+%% in the case of relup/1.
+
appvsn(Name) ->
[{application, Name, App}] = diameter_util:consult(Name, app),
fetch(vsn, App).
@@ -208,7 +211,7 @@ relup(Config) ->
App = fetch(app, Config),
Rel = [{erts, erlang:system_info(version)}
- | [{A, appvsn(A)} || A <- fetch(applications, App)]],
+ | [{A, appvsn(A)} || A <- [sasl | fetch(applications, App)]]],
Dir = fetch(priv_dir, Config),
@@ -216,12 +219,15 @@ relup(Config) ->
UpFrom = acc_rel(Dir, Rel, Up),
DownTo = acc_rel(Dir, Rel, Down),
- {[Name], [Name], UpFrom, DownTo} %% no intersections
+ {[Name], [Name], [], []} %% no current in up/down and go both ways
= {[Name] -- UpFrom,
[Name] -- DownTo,
UpFrom -- DownTo,
DownTo -- UpFrom},
+ [[], []] = [S -- sets:to_list(sets:from_list(S))
+ || S <- [UpFrom, DownTo]],
+
{ok, _, _, []} = systools:make_relup(Name, UpFrom, DownTo, [{path, [Dir]},
{outdir, Dir},
silent]).
diff --git a/lib/diameter/vsn.mk b/lib/diameter/vsn.mk
index c783450c9f..b1d3ba2241 100644
--- a/lib/diameter/vsn.mk
+++ b/lib/diameter/vsn.mk
@@ -18,7 +18,7 @@
# %CopyrightEnd%
APPLICATION = diameter
-DIAMETER_VSN = 0.10
+DIAMETER_VSN = 0.11
PRE_VSN =
APP_VSN = "$(APPLICATION)-$(DIAMETER_VSN)$(PRE_VSN)"
diff --git a/lib/kernel/doc/src/net_kernel.xml b/lib/kernel/doc/src/net_kernel.xml
index 3b7a710664..e54a427ff0 100644
--- a/lib/kernel/doc/src/net_kernel.xml
+++ b/lib/kernel/doc/src/net_kernel.xml
@@ -210,6 +210,10 @@
<p><c>net_kernel</c> is currently changing
<c>net_ticktime</c> to <c><anno>NetTicktime</anno></c> seconds.</p>
</item>
+ <tag><c>ignored</c></tag>
+ <item>
+ <p>The local node is not alive.</p>
+ </item>
</taglist>
</desc>
</func>
diff --git a/lib/stdlib/doc/src/supervisor.xml b/lib/stdlib/doc/src/supervisor.xml
index 30514dfee9..cddb55e5c5 100644
--- a/lib/stdlib/doc/src/supervisor.xml
+++ b/lib/stdlib/doc/src/supervisor.xml
@@ -158,7 +158,7 @@ child_spec() = {Id,StartFunc,Restart,Shutdown,Type,Modules}
death causes the temporary process to be terminated) and a
<c>transient</c> child process should be restarted only if
it terminates abnormally, i.e. with another exit reason
- than <c>normal</c>.</p>
+ than <c>normal</c>, <c>shutdown</c> or <c>{shutdown,Term}</c>.</p>
</item>
<item>
<p><c>Shutdown</c> defines how a child process should be
@@ -355,14 +355,23 @@ child_spec() = {Id,StartFunc,Restart,Shutdown,Type,Modules}
<desc>
<p>Tells the supervisor <c><anno>SupRef</anno></c> to terminate the given
child.</p>
+
<p>If the supervisor is not <c>simple_one_for_one</c>,
- <c><anno>Id</anno></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><anno>Id</anno></c> must be the child specification
+ identifier. The process, if there is one, is terminated and,
+ unless it is a temporary child, 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 child is temporary, the child specification is deleted as
+ soon as the process terminates. This means
+ that <c>delete_child/2</c> has no meaning
+ and <c>restart_child/2</c> can not be used for these
+ children.</p>
+
<p>If the supervisor is <c>simple_one_for_one</c>, <c><anno>Id</anno></c>
must be the child process' <c>pid()</c>. I the specified
process is alive, but is not a child of the given
@@ -399,26 +408,34 @@ child_spec() = {Id,StartFunc,Restart,Shutdown,Type,Modules}
<name name="restart_child" arity="2"/>
<fsummary>Restart a terminated child process belonging to a supervisor.</fsummary>
<desc>
- <p>Tells the supervisor <c><anno>SupRef</anno></c> to restart a child process
- corresponding to the child specification identified by
- <c><anno>Id</anno></c>. The child specification must exist and
- the corresponding child process must not be running.</p>
- <p>See <seealso marker="#SupRef"><c>start_child/2</c></seealso> for a description of
- <c>SupRef</c>.</p>
- <p>If the child specification identified by <c><anno>Id</anno></c> does not
- exist, the function returns <c>{error,not_found}</c>. If
- the child specification exists but the corresponding process
- is already running, the function returns
+ <p>Tells the supervisor <c><anno>SupRef</anno></c> to restart
+ a child process corresponding to the child specification
+ identified by <c><anno>Id</anno></c>. The child
+ specification must exist and the corresponding child process
+ must not be running.</p>
+ <p>Note that for temporary children, the child specification
+ is automatically deleted when the child terminates, and thus
+ it is not possible to restart such children.</p>
+ <p>See <seealso marker="#SupRef"><c>start_child/2</c></seealso>
+ for a description of <c>SupRef</c>.</p>
+ <p>If the child specification identified
+ by <c><anno>Id</anno></c> does not exist, the function
+ returns <c>{error,not_found}</c>. If the child specification
+ exists but the corresponding process is already running, the
+ function returns
<c>{error,running}</c>.</p>
- <p>If the child process start function returns <c>{ok,<anno>Child</anno>}</c>
- or <c>{ok,<anno>Child</anno>,<anno>Info</anno>}</c>, the pid is added to the supervisor
- and the function returns the same value.</p>
+ <p>If the child process start function
+ returns <c>{ok,<anno>Child</anno>}</c>
+ or <c>{ok,<anno>Child</anno>,<anno>Info</anno>}</c>, the pid
+ is added to the supervisor and the function returns the same
+ value.</p>
<p>If the child process start function returns <c>ignore</c>,
the pid remains set to <c>undefined</c> and the function
returns <c>{ok,undefined}</c>.</p>
- <p>If the child process start function returns an error tuple or
- an erroneous value, or if it fails, the function returns
- <c>{error,<anno>Error</anno>}</c> where <c><anno>Error</anno></c> is a term containing
+ <p>If the child process start function returns an error tuple
+ or an erroneous value, or if it fails, the function returns
+ <c>{error,<anno>Error</anno>}</c>
+ where <c><anno>Error</anno></c> is a term containing
information about the error.</p>
</desc>
</func>
diff --git a/system/doc/design_principles/sup_princ.xml b/system/doc/design_principles/sup_princ.xml
index a432f9458b..5b8fd604c8 100644
--- a/system/doc/design_principles/sup_princ.xml
+++ b/system/doc/design_principles/sup_princ.xml
@@ -160,10 +160,13 @@ init(...) ->
be restarted.</p>
<list type="bulleted">
<item>A <c>permanent</c> child process is always restarted.</item>
- <item>A <c>temporary</c> child process is never restarted.</item>
+ <item>A <c>temporary</c> child process is never restarted
+ (not even when the supervisor's restart strategy
+ is <c>rest_for_one</c> or <c>one_for_all</c> and a sibling's
+ death causes the temporary process to be terminated).</item>
<item>A <c>transient</c> child process is restarted only if it
terminates abnormally, i.e. with another exit reason than
- <c>normal</c>.</item>
+ <c>normal</c>, <c>shutdown</c> or <c>{shutdown,Term}</c>.</item>
</list>
</item>
<item>
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-24 23:17:12 +0000