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Code Issues Releases Wiki Activity

make controls->shuttingdown an atomic_bool

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This commit is contained in:
Mark Andrews 2020-09-21 12:48:10 +10:00
parent 46d2a36c6c
commit 631617d4ec
1 changed files with 9 additions and 6 deletions
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15
bin/named/controlconf.c
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@ -109,7 +109,7 @@ struct controllistener {
struct named_controls { struct named_controls {
named_server_t *server; named_server_t *server;
controllistenerlist_t listeners; controllistenerlist_t listeners;
bool shuttingdown; atomic_bool shuttingdown;
isc_mutex_t symtab_lock; isc_mutex_t symtab_lock;
isccc_symtab_t *symtab; isccc_symtab_t *symtab;
}; };
@ -225,7 +225,9 @@ control_senddone(isc_nmhandle_t *handle, isc_result_t result, void *arg) {
conn->sending = false; conn->sending = false;
if (listener->controls->shuttingdown || result == ISC_R_CANCELED) { if (atomic_load_acquire(&listener->controls->shuttingdown) ||
result == ISC_R_CANCELED)
{
goto cleanup_sendhandle; goto cleanup_sendhandle;
} else if (result != ISC_R_SUCCESS) { } else if (result != ISC_R_SUCCESS) {
char socktext[ISC_SOCKADDR_FORMATSIZE]; char socktext[ISC_SOCKADDR_FORMATSIZE];
@ -386,7 +388,7 @@ control_command(isc_task_t *task, isc_event_t *event) {
UNUSED(task); UNUSED(task);
if (listener->controls->shuttingdown) { if (atomic_load_acquire(&listener->controls->shuttingdown)) {
conn_cleanup(conn); conn_cleanup(conn);
isc_nmhandle_detach(&conn->cmdhandle); isc_nmhandle_detach(&conn->cmdhandle);
goto done; goto done;
@ -413,13 +415,14 @@ control_recvmessage(isc_nmhandle_t *handle, isc_result_t result, void *arg) {
conn->reading = false; conn->reading = false;
/* Is the server shutting down? */ /* Is the server shutting down? */
if (listener->controls->shuttingdown) { if (atomic_load_acquire(&listener->controls->shuttingdown)) {
goto cleanup_readhandle; goto cleanup_readhandle;
} }
if (result != ISC_R_SUCCESS) { if (result != ISC_R_SUCCESS) {
if (result == ISC_R_CANCELED) { if (result == ISC_R_CANCELED) {
listener->controls->shuttingdown = true; atomic_store_release(&listener->controls->shuttingdown,
true);
} else if (result != ISC_R_EOF) { } else if (result != ISC_R_EOF) {
log_invalid(&conn->ccmsg, result); log_invalid(&conn->ccmsg, result);
} }
@ -711,7 +714,7 @@ controls_shutdown(named_controls_t *controls) {
void void
named_controls_shutdown(named_controls_t *controls) { named_controls_shutdown(named_controls_t *controls) {
controls_shutdown(controls); controls_shutdown(controls);
controls->shuttingdown = true; atomic_store_release(&controls->shuttingdown, true);
} }
static isc_result_t static isc_result_t