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-rw-r--r--server/mpm/event/event.c97
-rw-r--r--server/mpm/motorz/motorz.c12
-rw-r--r--server/mpm/simple/simple_io.c6
3 files changed, 71 insertions, 44 deletions
diff --git a/server/mpm/event/event.c b/server/mpm/event/event.c
index 414c96ce67..587712784f 100644
--- a/server/mpm/event/event.c
+++ b/server/mpm/event/event.c
@@ -268,12 +268,14 @@ struct timeout_queue {
/*
* Several timeout queues that use different timeouts, so that we always can
* simply append to the end.
- * process_q uses vhost's TimeOut
+ * processing_q uses vhost's TimeOut
+ * write_completion_q uses vhost's TimeOut
* keepalive_q uses vhost's KeepAliveTimeOut
* linger_q uses MAX_SECS_TO_LINGER
* short_linger_q uses SECONDS_TO_LINGER
*/
-static struct timeout_queue *process_q,
+static struct timeout_queue *processing_q,
+ *write_completion_q,
*keepalive_q,
*linger_q,
*short_linger_q;
@@ -447,6 +449,7 @@ static int max_spawn_rate_per_bucket = MAX_SPAWN_RATE / 1;
struct event_srv_cfg_s {
struct timeout_queue *ps_q,
+ *wc_q,
*ka_q;
};
@@ -1094,7 +1097,7 @@ static void process_socket(apr_thread_t *thd, apr_pool_t * p, apr_socket_t * soc
* When the accept filter is active, sockets are kept in the
* kernel until a HTTP request is received.
*/
- cs->pub.state = CONN_STATE_PROCESS;
+ cs->pub.state = CONN_STATE_PROCESSING;
cs->pub.sense = CONN_SENSE_DEFAULT;
rc = OK;
}
@@ -1115,7 +1118,7 @@ static void process_socket(apr_thread_t *thd, apr_pool_t * p, apr_socket_t * soc
/* fall through */
}
else {
- if (cs->pub.state == CONN_STATE_PROCESS
+ if (cs->pub.state == CONN_STATE_PROCESSING
/* If we have an input filter which 'clogs' the input stream,
* like mod_ssl used to, lets just do the normal read from input
* filters, like the Worker MPM does. Filters that need to write
@@ -1132,8 +1135,8 @@ process_connection:
if (clogging) {
apr_atomic_dec32(&clogged_count);
}
- /* The sense can be set for CONN_STATE_PROCESS only */
- if (cs->pub.state != CONN_STATE_PROCESS) {
+ /* The sense can be set in CONN_STATE_PROCESSING only */
+ if (cs->pub.state != CONN_STATE_PROCESSING) {
cs->pub.sense = CONN_SENSE_DEFAULT;
}
if (rc == DONE) {
@@ -1148,7 +1151,7 @@ process_connection:
* The process_connection hooks above should set the connection state
* appropriately upon return, for event MPM to either:
* - CONN_STATE_LINGER: do lingering close;
- * - CONN_STATE_PROCESS: wait for read/write-ability of the underlying
+ * - CONN_STATE_PROCESSING: wait for read/write-ability of the underlying
* socket with respect to its Timeout and come back to process_connection()
* hooks when ready;
* - CONN_STATE_WRITE_COMPLETION: flush pending outputs using Timeout and
@@ -1162,13 +1165,13 @@ process_connection:
* to one of the above expected value, we forcibly close the connection w/
* CONN_STATE_LINGER. This covers the cases where no process_connection
* hook executes (DECLINED), or one returns OK w/o touching the state (i.e.
- * CONN_STATE_PROCESS remains after the call) which can happen with
+ * CONN_STATE_PROCESSING remains after the call) which can happen with
* third-party modules not updated to work specifically with event MPM
* while this was expected to do lingering close unconditionally with
* worker or prefork MPMs for instance.
*/
if (rc != OK || (cs->pub.state != CONN_STATE_LINGER
- && cs->pub.state != CONN_STATE_PROCESS
+ && cs->pub.state != CONN_STATE_PROCESSING
&& cs->pub.state != CONN_STATE_WRITE_COMPLETION
&& cs->pub.state != CONN_STATE_SUSPENDED)) {
ap_log_cerror(APLOG_MARK, APLOG_DEBUG, 0, c, APLOGNO(10111)
@@ -1179,7 +1182,7 @@ process_connection:
cs->pub.state = CONN_STATE_LINGER;
}
- if (cs->pub.state == CONN_STATE_PROCESS) {
+ if (cs->pub.state == CONN_STATE_PROCESSING) {
/* Set a read/write timeout for this connection, and let the
* event thread poll for read/writeability.
*/
@@ -1201,7 +1204,7 @@ process_connection:
apr_thread_mutex_unlock(timeout_mutex);
ap_log_error(APLOG_MARK, APLOG_ERR, rv, ap_server_conf, APLOGNO(10503)
"process_socket: apr_pollset_add failure in "
- "CONN_STATE_PROCESS");
+ "CONN_STATE_PROCESSING");
close_connection(cs);
signal_threads(ST_GRACEFUL);
}
@@ -1215,7 +1218,7 @@ process_connection:
int pending = DECLINED;
/* Flush all pending outputs before going to CONN_STATE_KEEPALIVE or
- * straight to CONN_STATE_PROCESS if inputs are pending already.
+ * straight to CONN_STATE_PROCESSING if inputs are pending already.
*/
ap_update_child_status(cs->sbh, SERVER_BUSY_WRITE, NULL);
@@ -1235,11 +1238,11 @@ process_connection:
/* Add work to pollset. */
update_reqevents_from_sense(cs, CONN_SENSE_WANT_WRITE);
apr_thread_mutex_lock(timeout_mutex);
- TO_QUEUE_APPEND(cs->sc->ps_q, cs);
+ TO_QUEUE_APPEND(cs->sc->wc_q, cs);
rv = apr_pollset_add(event_pollset, &cs->pfd);
if (rv != APR_SUCCESS && !APR_STATUS_IS_EEXIST(rv)) {
AP_DEBUG_ASSERT(0);
- TO_QUEUE_REMOVE(cs->sc->ps_q, cs);
+ TO_QUEUE_REMOVE(cs->sc->wc_q, cs);
apr_thread_mutex_unlock(timeout_mutex);
ap_log_error(APLOG_MARK, APLOG_ERR, rv, ap_server_conf, APLOGNO(03465)
"process_socket: apr_pollset_add failure in "
@@ -1256,7 +1259,7 @@ process_connection:
cs->pub.state = CONN_STATE_LINGER;
}
else if (ap_run_input_pending(c) == OK) {
- cs->pub.state = CONN_STATE_PROCESS;
+ cs->pub.state = CONN_STATE_PROCESSING;
goto process_connection;
}
else if (!listener_may_exit) {
@@ -1336,7 +1339,7 @@ static apr_status_t event_resume_suspended (conn_rec *c)
cs->pub.state = CONN_STATE_WRITE_COMPLETION;
update_reqevents_from_sense(cs, CONN_SENSE_WANT_WRITE);
apr_thread_mutex_lock(timeout_mutex);
- TO_QUEUE_APPEND(cs->sc->ps_q, cs);
+ TO_QUEUE_APPEND(cs->sc->wc_q, cs);
apr_pollset_add(event_pollset, &cs->pfd);
apr_thread_mutex_unlock(timeout_mutex);
}
@@ -1966,11 +1969,12 @@ static void * APR_THREAD_FUNC listener_thread(apr_thread_t * thd, void *dummy)
/* trace log status every second */
if (now - last_log > apr_time_from_sec(1)) {
ap_log_error(APLOG_MARK, APLOG_TRACE6, 0, ap_server_conf,
- "connections: %u (process:%d keep-alive:%d "
- "lingering:%d suspended:%u clogged:%u), "
+ "connections: %u (processing:%d write-completion:%d"
+ "keep-alive:%d lingering:%d suspended:%u clogged:%u), "
"workers: %u/%u shutdown",
apr_atomic_read32(&connection_count),
- apr_atomic_read32(process_q->total),
+ apr_atomic_read32(processing_q->total),
+ apr_atomic_read32(write_completion_q->total),
apr_atomic_read32(keepalive_q->total),
apr_atomic_read32(&lingering_count),
apr_atomic_read32(&suspended_count),
@@ -2099,14 +2103,18 @@ static void * APR_THREAD_FUNC listener_thread(apr_thread_t * thd, void *dummy)
int blocking = 0;
switch (cs->pub.state) {
- case CONN_STATE_PROCESS:
- case CONN_STATE_WRITE_COMPLETION:
+ case CONN_STATE_PROCESSING:
remove_from_q = cs->sc->ps_q;
blocking = 1;
break;
+ case CONN_STATE_WRITE_COMPLETION:
+ remove_from_q = cs->sc->wc_q;
+ blocking = 1;
+ break;
+
case CONN_STATE_KEEPALIVE:
- cs->pub.state = CONN_STATE_PROCESS;
+ cs->pub.state = CONN_STATE_PROCESSING;
remove_from_q = cs->sc->ka_q;
break;
@@ -2307,23 +2315,28 @@ do_maintenance:
/* Steps below will recompute this. */
queues_next_expiry = 0;
- /* Step 1: keepalive timeouts */
+ /* Step 1: keepalive queue timeouts are closed */
if (workers_were_busy || dying) {
process_keepalive_queue(0); /* kill'em all \m/ */
}
else {
process_keepalive_queue(now);
}
- /* Step 2: process timeouts */
- process_timeout_queue(process_q, now,
- defer_lingering_close);
- /* Step 3: (normal) lingering close completion timeouts */
+
+ /* Step 2: processing queue timeouts are flushed */
+ process_timeout_queue(processing_q, now, defer_lingering_close);
+
+ /* Step 3: write completion queue timeouts are flushed */
+ process_timeout_queue(write_completion_q, now, defer_lingering_close);
+
+ /* Step 4: normal lingering close queue timeouts are closed */
if (dying && linger_q->timeout > short_linger_q->timeout) {
/* Dying, force short timeout for normal lingering close */
linger_q->timeout = short_linger_q->timeout;
}
process_timeout_queue(linger_q, now, shutdown_connection);
- /* Step 4: (short) lingering close completion timeouts */
+
+ /* Step 5: short lingering close queue timeouts are closed */
process_timeout_queue(short_linger_q, now, shutdown_connection);
apr_thread_mutex_unlock(timeout_mutex);
@@ -2332,11 +2345,12 @@ do_maintenance:
queues_next_expiry > now ? queues_next_expiry - now
: -1);
+ ps->processing = apr_atomic_read32(processing_q->total);
+ ps->write_completion = apr_atomic_read32(write_completion_q->total);
ps->keep_alive = apr_atomic_read32(keepalive_q->total);
- ps->write_completion = apr_atomic_read32(process_q->total);
- ps->connections = apr_atomic_read32(&connection_count);
- ps->suspended = apr_atomic_read32(&suspended_count);
ps->lingering_close = apr_atomic_read32(&lingering_count);
+ ps->suspended = apr_atomic_read32(&suspended_count);
+ ps->connections = apr_atomic_read32(&connection_count);
}
else if ((workers_were_busy || dying)
&& apr_atomic_read32(keepalive_q->total)) {
@@ -3839,7 +3853,7 @@ static void setup_slave_conn(conn_rec *c, void *csd)
cs->bucket_alloc = c->bucket_alloc;
cs->pfd = mcs->pfd;
cs->pub = mcs->pub;
- cs->pub.state = CONN_STATE_PROCESS;
+ cs->pub.state = CONN_STATE_PROCESSING;
cs->pub.sense = CONN_SENSE_DEFAULT;
c->cs = &(cs->pub);
@@ -4005,16 +4019,17 @@ static int event_post_config(apr_pool_t *pconf, apr_pool_t *plog,
struct {
struct timeout_queue *tail, *q;
apr_hash_t *hash;
- } ps, ka;
+ } ps, wc, ka;
/* Not needed in pre_config stage */
if (ap_state_query(AP_SQ_MAIN_STATE) == AP_SQ_MS_CREATE_PRE_CONFIG) {
return OK;
}
- ps.tail = ka.tail = NULL;
ps.hash = apr_hash_make(ptemp);
+ wc.hash = apr_hash_make(ptemp);
ka.hash = apr_hash_make(ptemp);
+ ps.tail = wc.tail = ka.tail = NULL;
linger_q = TO_QUEUE_MAKE(pconf, apr_time_from_sec(MAX_SECS_TO_LINGER),
NULL);
@@ -4029,7 +4044,11 @@ static int event_post_config(apr_pool_t *pconf, apr_pool_t *plog,
/* The main server uses the global queues */
ps.q = TO_QUEUE_MAKE(pconf, s->timeout, NULL);
apr_hash_set(ps.hash, &s->timeout, sizeof s->timeout, ps.q);
- ps.tail = process_q = ps.q;
+ ps.tail = processing_q = ps.q;
+
+ wc.q = TO_QUEUE_MAKE(pconf, s->timeout, NULL);
+ apr_hash_set(wc.hash, &s->timeout, sizeof s->timeout, wc.q);
+ wc.tail = write_completion_q = wc.q;
ka.q = TO_QUEUE_MAKE(pconf, s->keep_alive_timeout, NULL);
apr_hash_set(ka.hash, &s->keep_alive_timeout,
@@ -4046,6 +4065,13 @@ static int event_post_config(apr_pool_t *pconf, apr_pool_t *plog,
ps.tail = ps.tail->next = ps.q;
}
+ wc.q = apr_hash_get(wc.hash, &s->timeout, sizeof s->timeout);
+ if (!wc.q) {
+ wc.q = TO_QUEUE_MAKE(pconf, s->timeout, wc.tail);
+ apr_hash_set(wc.hash, &s->timeout, sizeof s->timeout, wc.q);
+ wc.tail = wc.tail->next = wc.q;
+ }
+
ka.q = apr_hash_get(ka.hash, &s->keep_alive_timeout,
sizeof s->keep_alive_timeout);
if (!ka.q) {
@@ -4056,6 +4082,7 @@ static int event_post_config(apr_pool_t *pconf, apr_pool_t *plog,
}
}
sc->ps_q = ps.q;
+ sc->wc_q = wc.q;
sc->ka_q = ka.q;
}
diff --git a/server/mpm/motorz/motorz.c b/server/mpm/motorz/motorz.c
index f25031ac3a..8feff2965c 100644
--- a/server/mpm/motorz/motorz.c
+++ b/server/mpm/motorz/motorz.c
@@ -160,7 +160,7 @@ static void *motorz_io_setup_conn(apr_thread_t *thread, void *baton)
"motorz_io_setup_conn: connection aborted");
}
- scon->cs.state = CONN_STATE_PROCESS;
+ scon->cs.state = CONN_STATE_PROCESSING;
scon->cs.sense = CONN_SENSE_DEFAULT;
status = motorz_io_process(scon);
@@ -376,14 +376,14 @@ static apr_status_t motorz_io_process(motorz_conn_t *scon)
if (scon->cs.state == CONN_STATE_KEEPALIVE) {
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, ap_server_conf, APLOGNO(03327)
- "motorz_io_process(): Set to CONN_STATE_PROCESS");
- scon->cs.state = CONN_STATE_PROCESS;
+ "motorz_io_process(): Set to CONN_STATE_PROCESSING");
+ scon->cs.state = CONN_STATE_PROCESSING;
}
read_request:
- if (scon->cs.state == CONN_STATE_PROCESS) {
+ if (scon->cs.state == CONN_STATE_PROCESSING) {
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, ap_server_conf, APLOGNO(03328)
- "motorz_io_process(): CONN_STATE_PROCESS");
+ "motorz_io_process(): CONN_STATE_PROCESSING");
if (!c->aborted) {
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, ap_server_conf, APLOGNO(03329)
"motorz_io_process(): !aborted");
@@ -438,7 +438,7 @@ read_request:
scon->cs.state = CONN_STATE_LINGER;
}
else if (ap_run_input_pending(c) == OK) {
- scon->cs.state = CONN_STATE_PROCESS;
+ scon->cs.state = CONN_STATE_PROCESSING;
goto read_request;
}
else {
diff --git a/server/mpm/simple/simple_io.c b/server/mpm/simple/simple_io.c
index 65a3e5bba4..fb509ed756 100644
--- a/server/mpm/simple/simple_io.c
+++ b/server/mpm/simple/simple_io.c
@@ -79,7 +79,7 @@ static apr_status_t simple_io_process(simple_conn_t * scon)
scon->pfd.reqevents = 0;
}
- if (scon->cs.state == CONN_STATE_PROCESS) {
+ if (scon->cs.state == CONN_STATE_PROCESSING) {
if (!c->aborted) {
ap_run_process_connection(c);
/* state will be updated upon return
@@ -132,7 +132,7 @@ static apr_status_t simple_io_process(simple_conn_t * scon)
scon->cs.state = CONN_STATE_LINGER;
}
else if (ap_run_input_pending(c) == OK) {
- scon->cs.state = CONN_STATE_PROCESS;
+ scon->cs.state = CONN_STATE_PROCESSING;
}
else {
scon->cs.state = CONN_STATE_KEEPALIVE;
@@ -233,7 +233,7 @@ static void *simple_io_setup_conn(apr_thread_t * thread, void *baton)
"simple_io_setup_conn: connection aborted");
}
- scon->cs.state = CONN_STATE_PROCESS;
+ scon->cs.state = CONN_STATE_PROCESSING;
scon->cs.sense = CONN_SENSE_DEFAULT;
rv = simple_io_process(scon);