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authorIgor Sysoev <igor@sysoev.ru>2004-11-20 19:52:20 +0000
committerIgor Sysoev <igor@sysoev.ru>2004-11-20 19:52:20 +0000
commitd43bee8ee939992404d59ae0fec248ce46abecb0 (patch)
tree6eb79a6902f147bedb8c85350cbdc68543115907 /src/os/unix/ngx_process_cycle.c
parent13376e1538e2b29e436805c626f6837b34a482c5 (diff)
downloadnginx-d43bee8ee939992404d59ae0fec248ce46abecb0.tar.gz
nginx-d43bee8ee939992404d59ae0fec248ce46abecb0.zip
nginx-0.1.8-RELEASE importrelease-0.1.8
*) Bugfix: in the ngx_http_autoindex_module if the long file names were in the listing. *) Feature: the "^~" modifier in the location directive. *) Feature: the proxy_max_temp_file_size directive.
Diffstat (limited to 'src/os/unix/ngx_process_cycle.c')
-rw-r--r--src/os/unix/ngx_process_cycle.c323
1 files changed, 214 insertions, 109 deletions
diff --git a/src/os/unix/ngx_process_cycle.c b/src/os/unix/ngx_process_cycle.c
index 0447bc4ec..37b2ef193 100644
--- a/src/os/unix/ngx_process_cycle.c
+++ b/src/os/unix/ngx_process_cycle.c
@@ -12,15 +12,18 @@
static void ngx_start_worker_processes(ngx_cycle_t *cycle, ngx_int_t n,
ngx_int_t type);
+static void ngx_start_garbage_collector(ngx_cycle_t *cycle, ngx_int_t type);
static void ngx_signal_worker_processes(ngx_cycle_t *cycle, int signo);
static ngx_uint_t ngx_reap_childs(ngx_cycle_t *cycle);
static void ngx_master_exit(ngx_cycle_t *cycle);
static void ngx_worker_process_cycle(ngx_cycle_t *cycle, void *data);
+static void ngx_worker_process_init(ngx_cycle_t *cycle);
static void ngx_channel_handler(ngx_event_t *ev);
#if (NGX_THREADS)
static void ngx_wakeup_worker_threads(ngx_cycle_t *cycle);
static void *ngx_worker_thread_cycle(void *data);
#endif
+static void ngx_garbage_collector_cycle(ngx_cycle_t *cycle, void *data);
ngx_uint_t ngx_process;
@@ -109,6 +112,7 @@ void ngx_master_process_cycle(ngx_cycle_t *cycle)
ngx_start_worker_processes(cycle, ccf->worker_processes,
NGX_PROCESS_RESPAWN);
+ ngx_start_garbage_collector(cycle, NGX_PROCESS_RESPAWN);
ngx_new_binary = 0;
delay = 0;
@@ -179,6 +183,7 @@ void ngx_master_process_cycle(ngx_cycle_t *cycle)
if (!ngx_noaccepting) {
ngx_start_worker_processes(cycle, ccf->worker_processes,
NGX_PROCESS_JUST_RESPAWN);
+ ngx_start_garbage_collector(cycle, NGX_PROCESS_JUST_RESPAWN);
live = 1;
ngx_signal_worker_processes(cycle,
ngx_signal_value(NGX_SHUTDOWN_SIGNAL));
@@ -193,6 +198,7 @@ void ngx_master_process_cycle(ngx_cycle_t *cycle)
ngx_start_worker_processes(cycle, ccf->worker_processes,
NGX_PROCESS_RESPAWN);
+ ngx_start_garbage_collector(cycle, NGX_PROCESS_RESPAWN);
ngx_noaccepting = 0;
continue;
@@ -211,6 +217,7 @@ void ngx_master_process_cycle(ngx_cycle_t *cycle)
ngx_core_module);
ngx_start_worker_processes(cycle, ccf->worker_processes,
NGX_PROCESS_JUST_RESPAWN);
+ ngx_start_garbage_collector(cycle, NGX_PROCESS_JUST_RESPAWN);
live = 1;
ngx_signal_worker_processes(cycle,
ngx_signal_value(NGX_SHUTDOWN_SIGNAL));
@@ -220,6 +227,7 @@ void ngx_master_process_cycle(ngx_cycle_t *cycle)
ngx_restart = 0;
ngx_start_worker_processes(cycle, ccf->worker_processes,
NGX_PROCESS_RESPAWN);
+ ngx_start_garbage_collector(cycle, NGX_PROCESS_RESPAWN);
live = 1;
}
@@ -352,6 +360,47 @@ static void ngx_start_worker_processes(ngx_cycle_t *cycle, ngx_int_t n,
}
+static void ngx_start_garbage_collector(ngx_cycle_t *cycle, ngx_int_t type)
+{
+ ngx_int_t i;
+ ngx_channel_t ch;
+
+ return;
+
+ ngx_log_error(NGX_LOG_INFO, cycle->log, 0, "start garbage collector");
+
+ ch.command = NGX_CMD_OPEN_CHANNEL;
+
+ ngx_spawn_process(cycle, ngx_garbage_collector_cycle, NULL,
+ "garbage collector", type);
+
+ ch.pid = ngx_processes[ngx_process_slot].pid;
+ ch.slot = ngx_process_slot;
+ ch.fd = ngx_processes[ngx_process_slot].channel[0];
+
+ for (i = 0; i < ngx_last_process; i++) {
+
+ if (i == ngx_process_slot
+ || ngx_processes[i].pid == -1
+ || ngx_processes[i].channel[0] == -1)
+ {
+ continue;
+ }
+
+ ngx_log_debug6(NGX_LOG_DEBUG_CORE, cycle->log, 0,
+ "pass channel s:%d pid:%P fd:%d to s:%i pid:%P fd:%d",
+ ch.slot, ch.pid, ch.fd,
+ i, ngx_processes[i].pid,
+ ngx_processes[i].channel[0]);
+
+ /* TODO: NGX_AGAIN */
+
+ ngx_write_channel(ngx_processes[i].channel[0],
+ &ch, sizeof(ngx_channel_t), cycle->log);
+ }
+}
+
+
static void ngx_signal_worker_processes(ngx_cycle_t *cycle, int signo)
{
ngx_int_t i;
@@ -558,15 +607,119 @@ static void ngx_master_exit(ngx_cycle_t *cycle)
static void ngx_worker_process_cycle(ngx_cycle_t *cycle, void *data)
{
+ ngx_worker_process_init(cycle);
+
+ ngx_setproctitle("worker process");
+
+#if (NGX_THREADS)
+
+ if (ngx_time_mutex_init(cycle->log) == NGX_ERROR) {
+ /* fatal */
+ exit(2);
+ }
+
+ if (ngx_threads_n) {
+ if (ngx_init_threads(ngx_threads_n,
+ ccf->thread_stack_size, cycle) == NGX_ERROR)
+ {
+ /* fatal */
+ exit(2);
+ }
+
+ err = ngx_thread_key_create(&ngx_core_tls_key);
+ if (err != 0) {
+ ngx_log_error(NGX_LOG_ALERT, cycle->log, err,
+ ngx_thread_key_create_n " failed");
+ /* fatal */
+ exit(2);
+ }
+
+ for (n = 0; n < ngx_threads_n; n++) {
+
+ if (!(ngx_threads[n].cv = ngx_cond_init(cycle->log))) {
+ /* fatal */
+ exit(2);
+ }
+
+ if (ngx_create_thread((ngx_tid_t *) &ngx_threads[n].tid,
+ ngx_worker_thread_cycle,
+ (void *) &ngx_threads[n], cycle->log) != 0)
+ {
+ /* fatal */
+ exit(2);
+ }
+ }
+ }
+
+#endif
+
+ for ( ;; ) {
+ if (ngx_exiting
+ && ngx_event_timer_rbtree == &ngx_event_timer_sentinel)
+ {
+ ngx_log_error(NGX_LOG_INFO, cycle->log, 0, "exiting");
+
+
+#if (NGX_THREADS)
+ ngx_terminate = 1;
+
+ ngx_wakeup_worker_threads(cycle);
+#endif
+
+ /*
+ * we do not destroy cycle->pool here because a signal handler
+ * that uses cycle->log can be called at this point
+ */
+ exit(0);
+ }
+
+ ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "worker cycle");
+
+ ngx_process_events(cycle);
+
+ if (ngx_terminate) {
+ ngx_log_error(NGX_LOG_INFO, cycle->log, 0, "exiting");
+
+#if (NGX_THREADS)
+ ngx_wakeup_worker_threads(cycle);
+#endif
+
+ /*
+ * we do not destroy cycle->pool here because a signal handler
+ * that uses cycle->log can be called at this point
+ */
+ exit(0);
+ }
+
+ if (ngx_quit) {
+ ngx_quit = 0;
+ ngx_log_error(NGX_LOG_INFO, cycle->log, 0,
+ "gracefully shutting down");
+ ngx_setproctitle("worker process is shutting down");
+
+ if (!ngx_exiting) {
+ ngx_close_listening_sockets(cycle);
+ ngx_exiting = 1;
+ }
+ }
+
+ if (ngx_reopen) {
+ ngx_reopen = 0;
+ ngx_log_error(NGX_LOG_INFO, cycle->log, 0, "reopen logs");
+ ngx_reopen_files(cycle, -1);
+ }
+ }
+}
+
+
+static void ngx_worker_process_init(ngx_cycle_t *cycle)
+{
sigset_t set;
- ngx_err_t err;
ngx_int_t n;
ngx_uint_t i;
struct timeval tv;
- ngx_listening_t *ls;
ngx_core_conf_t *ccf;
- ngx_connection_t *c;
-
+ ngx_listening_t *ls;
ngx_gettimeofday(&tv);
@@ -649,13 +802,13 @@ static void ngx_worker_process_cycle(ngx_cycle_t *cycle, void *data)
if (close(ngx_processes[n].channel[1]) == -1) {
ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
- "close() failed");
+ "close() channel failed");
}
}
if (close(ngx_processes[ngx_process_slot].channel[0]) == -1) {
ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
- "close() failed");
+ "close() channel failed");
}
#if 0
@@ -668,107 +821,6 @@ static void ngx_worker_process_cycle(ngx_cycle_t *cycle, void *data)
/* fatal */
exit(2);
}
-
- ngx_setproctitle("worker process");
-
-#if (NGX_THREADS)
-
- if (ngx_time_mutex_init(cycle->log) == NGX_ERROR) {
- /* fatal */
- exit(2);
- }
-
- if (ngx_threads_n) {
- if (ngx_init_threads(ngx_threads_n,
- ccf->thread_stack_size, cycle) == NGX_ERROR)
- {
- /* fatal */
- exit(2);
- }
-
- err = ngx_thread_key_create(&ngx_core_tls_key);
- if (err != 0) {
- ngx_log_error(NGX_LOG_ALERT, cycle->log, err,
- ngx_thread_key_create_n " failed");
- /* fatal */
- exit(2);
- }
-
- for (n = 0; n < ngx_threads_n; n++) {
-
- if (!(ngx_threads[n].cv = ngx_cond_init(cycle->log))) {
- /* fatal */
- exit(2);
- }
-
- if (ngx_create_thread((ngx_tid_t *) &ngx_threads[n].tid,
- ngx_worker_thread_cycle,
- (void *) &ngx_threads[n], cycle->log) != 0)
- {
- /* fatal */
- exit(2);
- }
- }
- }
-
-#endif
-
- for ( ;; ) {
- if (ngx_exiting
- && ngx_event_timer_rbtree == &ngx_event_timer_sentinel)
- {
- ngx_log_error(NGX_LOG_INFO, cycle->log, 0, "exiting");
-
-
-#if (NGX_THREADS)
- ngx_terminate = 1;
-
- ngx_wakeup_worker_threads(cycle);
-#endif
-
- /*
- * we do not destroy cycle->pool here because a signal handler
- * that uses cycle->log can be called at this point
- */
- exit(0);
- }
-
- ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "worker cycle");
-
- ngx_process_events(cycle);
-
- if (ngx_terminate) {
- ngx_log_error(NGX_LOG_INFO, cycle->log, 0, "exiting");
-
-#if (NGX_THREADS)
- ngx_wakeup_worker_threads(cycle);
-#endif
-
- /*
- * we do not destroy cycle->pool here because a signal handler
- * that uses cycle->log can be called at this point
- */
- exit(0);
- }
-
- if (ngx_quit) {
- ngx_quit = 0;
- ngx_log_error(NGX_LOG_INFO, cycle->log, 0,
- "gracefully shutting down");
- ngx_setproctitle("worker process is shutting down");
-
- if (!ngx_exiting) {
- ngx_close_listening_sockets(cycle);
- ngx_exiting = 1;
- }
- }
-
- if (ngx_reopen) {
- ngx_reopen = 0;
- ngx_log_error(NGX_LOG_INFO, cycle->log, 0, "reopen logs");
- ngx_reopen_files(cycle, -1);
- }
- }
}
@@ -778,6 +830,11 @@ static void ngx_channel_handler(ngx_event_t *ev)
ngx_channel_t ch;
ngx_connection_t *c;
+ if (ev->timedout) {
+ ev->timedout = 0;
+ return;
+ }
+
c = ev->data;
ngx_log_debug0(NGX_LOG_DEBUG_CORE, ev->log, 0, "channel handler");
@@ -834,7 +891,8 @@ static void ngx_channel_handler(ngx_event_t *ev)
ngx_processes[ch.slot].channel[0]);
if (close(ngx_processes[ch.slot].channel[0]) == -1) {
- ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno, "close() failed");
+ ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno,
+ "close() channel failed");
}
ngx_processes[ch.slot].channel[0] = -1;
@@ -896,7 +954,6 @@ static void *ngx_worker_thread_cycle(void *data)
ngx_err_t err;
ngx_core_tls_t *tls;
ngx_cycle_t *cycle;
- struct timeval tv;
thr->cv->tid = ngx_thread_self();
@@ -972,3 +1029,51 @@ static void *ngx_worker_thread_cycle(void *data)
}
#endif
+
+
+static void ngx_garbage_collector_cycle(ngx_cycle_t *cycle, void *data)
+{
+ ngx_uint_t i;
+ ngx_gc_t ctx;
+ ngx_path_t **path;
+ ngx_event_t *ev;
+
+ ngx_worker_process_init(cycle);
+
+ ev = &cycle->read_events[ngx_channel];
+
+ ngx_accept_mutex = NULL;
+
+ ngx_setproctitle("garbage collector");
+
+#if 0
+ ngx_add_timer(ev, 60 * 1000);
+#endif
+
+ for ( ;; ) {
+
+ if (ngx_terminate || ngx_quit) {
+ ngx_log_error(NGX_LOG_INFO, cycle->log, 0, "exiting");
+ exit(0);
+ }
+
+ if (ngx_reopen) {
+ ngx_reopen = 0;
+ ngx_log_error(NGX_LOG_INFO, cycle->log, 0, "reopen logs");
+ ngx_reopen_files(cycle, -1);
+ }
+
+ path = cycle->pathes.elts;
+ for (i = 0; i < cycle->pathes.nelts; i++) {
+ ctx.path = path[i];
+ ctx.log = cycle->log;
+ ctx.handler = path[i]->gc_handler;
+
+ ngx_collect_garbage(&ctx, &path[i]->name, 0);
+ }
+
+ ngx_add_timer(ev, 60 * 60 * 1000);
+
+ ngx_process_events(cycle);
+ }
+}