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-rw-r--r--erts/emulator/beam/dist.c23
-rw-r--r--erts/emulator/beam/dist.h2
-rw-r--r--erts/emulator/beam/erl_node_tables.c83
-rw-r--r--erts/emulator/sys/unix/erl_child_setup.c11
4 files changed, 68 insertions, 51 deletions
diff --git a/erts/emulator/beam/dist.c b/erts/emulator/beam/dist.c
index ceb89a6910..f041e92375 100644
--- a/erts/emulator/beam/dist.c
+++ b/erts/emulator/beam/dist.c
@@ -3550,20 +3550,18 @@ BIF_RETTYPE erts_internal_new_connection_1(BIF_ALIST_1)
BIF_RET(TUPLE2(hp, make_small(conn_id), dhandle));
}
-static Sint abort_connection(DistEntry* dep, Uint32 conn_id)
+Sint erts_abort_connection_rwunlock(DistEntry* dep)
{
- erts_de_rwlock(dep);
+ Sint reds = 0;
+ ERTS_LC_ASSERT(erts_lc_is_de_rwlocked(dep));
- if (dep->connection_id != conn_id)
- ;
- else if (dep->state == ERTS_DE_STATE_CONNECTED) {
+ if (dep->state == ERTS_DE_STATE_CONNECTED) {
kill_connection(dep);
}
else if (dep->state == ERTS_DE_STATE_PENDING) {
ErtsAtomCache *cache;
ErtsDistOutputBuf *obuf;
ErtsProcList *resume_procs;
- Sint reds = 0;
ErtsMonLnkDist *mld;
ASSERT(is_nil(dep->cid));
@@ -3608,17 +3606,18 @@ static Sint abort_connection(DistEntry* dep, Uint32 conn_id)
erts_de_rwlock(dep);
ASSERT(dep->state == ERTS_DE_STATE_EXITING);
dep->state = ERTS_DE_STATE_IDLE;
- erts_de_rwunlock(dep);
- return reds;
}
erts_de_rwunlock(dep);
- return 0;
+ return reds;
}
-Sint
-erts_abort_connection(DistEntry *dep, Uint32 conn_id)
+static Sint abort_connection(DistEntry *dep, Uint32 conn_id)
{
- return abort_connection(dep, conn_id);
+ erts_de_rwlock(dep);
+ if (dep->connection_id == conn_id)
+ return erts_abort_connection_rwunlock(dep);
+ erts_de_rwunlock(dep);
+ return 0;
}
BIF_RETTYPE erts_internal_abort_connection_2(BIF_ALIST_2)
diff --git a/erts/emulator/beam/dist.h b/erts/emulator/beam/dist.h
index 30b4b35c20..75cb865390 100644
--- a/erts/emulator/beam/dist.h
+++ b/erts/emulator/beam/dist.h
@@ -399,7 +399,7 @@ extern void erts_kill_dist_connection(DistEntry *dep, Uint32);
extern Uint erts_dist_cache_size(void);
-extern Sint erts_abort_connection(DistEntry *dep, Uint32 conn_id);
+extern Sint erts_abort_connection_rwunlock(DistEntry *dep);
#endif
diff --git a/erts/emulator/beam/erl_node_tables.c b/erts/emulator/beam/erl_node_tables.c
index 9b34af1480..f4a36d124a 100644
--- a/erts/emulator/beam/erl_node_tables.c
+++ b/erts/emulator/beam/erl_node_tables.c
@@ -60,6 +60,10 @@ static int references_atoms_need_init = 1;
static ErtsMonotonicTime orig_node_tab_delete_delay;
static ErtsMonotonicTime node_tab_delete_delay;
+
+static void report_gc_active_dist_entry(Eterm sysname, enum dist_entry_state);
+
+
/* -- The distribution table ---------------------------------------------- */
#define ErtsBin2DistEntry(B) \
@@ -412,44 +416,6 @@ static void schedule_delete_dist_entry(DistEntry* dep)
static void
start_timer_delete_dist_entry(void *vdep)
{
- DistEntry *dep = vdep;
- Eterm sysname;
- enum dist_entry_state state;
- Uint32 connection_id;
-
- erts_de_rlock(dep);
- state = dep->state;
- connection_id = dep->connection_id;
- sysname = dep->sysname;
- erts_de_runlock(dep);
-
- if (state != ERTS_DE_STATE_IDLE) {
- char *state_str;
- erts_dsprintf_buf_t *dsbuf = erts_create_logger_dsbuf();
- switch (state) {
- case ERTS_DE_STATE_CONNECTED:
- state_str = "connected";
- break;
- case ERTS_DE_STATE_PENDING:
- state_str = "pending connect";
- break;
- case ERTS_DE_STATE_EXITING:
- state_str = "exiting";
- break;
- case ERTS_DE_STATE_IDLE:
- state_str = "idle";
- break;
- default:
- state_str = "unknown";
- break;
- }
- erts_dsprintf(dsbuf, "Garbage collecting distribution "
- "entry for node %T in state: %s",
- sysname, state_str);
- erts_send_error_to_logger_nogl(dsbuf);
- erts_abort_connection(dep, connection_id);
- }
-
if (node_tab_delete_delay == 0) {
prepare_try_delete_dist_entry(vdep);
}
@@ -489,6 +455,19 @@ static void try_delete_dist_entry(DistEntry* dep)
{
erts_aint_t refc;
+ erts_de_rwlock(dep);
+ if (dep->state != ERTS_DE_STATE_IDLE && de_refc_read(dep,0) == 0) {
+ Eterm sysname = dep->sysname;
+ enum dist_entry_state state = dep->state;
+
+ if (dep->state != ERTS_DE_STATE_PENDING)
+ ERTS_INTERNAL_ERROR("Garbage collecting connected distribution entry");
+ erts_abort_connection_rwunlock(dep);
+ report_gc_active_dist_entry(sysname, state);
+ }
+ else
+ erts_de_rwunlock(dep);
+
erts_rwmtx_rwlock(&erts_dist_table_rwmtx);
/*
* Another thread might have looked up this dist entry after
@@ -515,6 +494,34 @@ static void try_delete_dist_entry(DistEntry* dep)
}
}
+static void report_gc_active_dist_entry(Eterm sysname,
+ enum dist_entry_state state)
+{
+ char *state_str;
+ erts_dsprintf_buf_t *dsbuf = erts_create_logger_dsbuf();
+ switch (state) {
+ case ERTS_DE_STATE_CONNECTED:
+ state_str = "connected";
+ break;
+ case ERTS_DE_STATE_PENDING:
+ state_str = "pending connect";
+ break;
+ case ERTS_DE_STATE_EXITING:
+ state_str = "exiting";
+ break;
+ case ERTS_DE_STATE_IDLE:
+ state_str = "idle";
+ break;
+ default:
+ state_str = "unknown";
+ break;
+ }
+ erts_dsprintf(dsbuf, "Garbage collecting distribution "
+ "entry for node %T in state: %s",
+ sysname, state_str);
+ erts_send_error_to_logger_nogl(dsbuf);
+}
+
int erts_dist_entry_destructor(Binary *bin)
{
DistEntry *dep = ErtsBin2DistEntry(bin);
diff --git a/erts/emulator/sys/unix/erl_child_setup.c b/erts/emulator/sys/unix/erl_child_setup.c
index 221ee2a69d..129861ebd5 100644
--- a/erts/emulator/sys/unix/erl_child_setup.c
+++ b/erts/emulator/sys/unix/erl_child_setup.c
@@ -133,6 +133,7 @@ static int sigchld_pipe[2];
static int
start_new_child(int pipes[])
{
+ struct sigaction sa;
int errln = -1;
int size, res, i, pos = 0;
char *buff, *o_buff;
@@ -143,6 +144,16 @@ start_new_child(int pipes[])
/* only child executes here */
+ /* Restore default handling of sigterm... */
+ sa.sa_handler = SIG_DFL;
+ sigemptyset(&sa.sa_mask);
+ sa.sa_flags = 0;
+
+ if (sigaction(SIGTERM, &sa, 0) == -1) {
+ perror(NULL);
+ exit(1);
+ }
+
do {
res = read(pipes[0], (char*)&size, sizeof(size));
} while(res < 0 && (errno == EINTR || errno == ERRNO_BLOCK));
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 04:06:47 +0000