Fix crash when quiting. v6.0.151 (#4157)

1. Remove the srs_global_dispose, which causes the crash when still
publishing when quit.
2. Always call _srs_thread_pool->initialize for single thread.
3. Support `--signal-api` to send signal by HTTP API, because CLion
eliminate the signals.

---

Co-authored-by: Jacob Su <suzp1984@gmail.com>

trunk/auto/auto_headers.sh

@@ -201,6 +201,11 @@ if [[ $SRS_SINGLE_THREAD == YES ]]; then
 else
     srs_undefine_macro "SRS_SINGLE_THREAD" $SRS_AUTO_HEADERS_H
 fi
+if [[ $SRS_SIGNAL_API == YES ]]; then
+    srs_define_macro "SRS_SIGNAL_API" $SRS_AUTO_HEADERS_H
+else
+    srs_undefine_macro "SRS_SIGNAL_API" $SRS_AUTO_HEADERS_H
+fi
 if [[ $SRS_LOG_LEVEL_V2 == YES ]]; then
     srs_define_macro "SRS_LOG_LEVEL_V2" $SRS_AUTO_HEADERS_H
 else

trunk/auto/options.sh

@@ -85,6 +85,7 @@ SRS_CLEAN=YES # Whether do "make clean" when configure.
 SRS_SIMULATOR=NO # Whether enable RTC simulate API.
 SRS_GENERATE_OBJS=NO # Whether generate objs and quit.
 SRS_SINGLE_THREAD=YES # Whether force single thread mode.
+SRS_SIGNAL_API=NO # Use http API to simulate sending signal to SRS, for debugging.
 #
 ################################################################
 # Performance options.
@@ -235,6 +236,7 @@ Experts:
   --simulator=on|off        RTC: Whether enable network simulator. Default: $(value2switch $SRS_SIMULATOR)
   --generate-objs=on|off    RTC: Whether generate objs and quit. Default: $(value2switch $SRS_GENERATE_OBJS)
   --single-thread=on|off    Whether force single thread mode. Default: $(value2switch $SRS_SINGLE_THREAD)
+  --signal-api=on|off       Whether support sending signal by HTTP API. Default: $(value2switch $SRS_SIGNAL_API)
   --build-tag=<TAG>         Set the build object directory suffix.
   --debug=on|off            Whether enable the debug code, may hurt performance. Default: $(value2switch $SRS_DEBUG)
   --debug-stats=on|off      Whether enable the debug stats, may hurt performance. Default: $(value2switch $SRS_DEBUG_STATS)
@@ -339,6 +341,7 @@ function parse_user_option() {
         --simulator)                    SRS_SIMULATOR=$(switch2value $value) ;;
         --generate-objs)                SRS_GENERATE_OBJS=$(switch2value $value) ;;
         --single-thread)                SRS_SINGLE_THREAD=$(switch2value $value) ;;
+        --signal-api)                   SRS_SIGNAL_API=$(switch2value $value) ;;
         --ffmpeg-fit)                   SRS_FFMPEG_FIT=$(switch2value $value) ;;
         --ffmpeg-opus)                  SRS_FFMPEG_OPUS=$(switch2value $value) ;;
         --h265)                         SRS_H265=$(switch2value $value) ;;
@@ -681,6 +684,7 @@ function regenerate_options() {
     SRS_AUTO_CONFIGURE="${SRS_AUTO_CONFIGURE} --sanitizer-log=$(value2switch $SRS_SANITIZER_LOG)"
     SRS_AUTO_CONFIGURE="${SRS_AUTO_CONFIGURE} --cygwin64=$(value2switch $SRS_CYGWIN64)"
     SRS_AUTO_CONFIGURE="${SRS_AUTO_CONFIGURE} --single-thread=$(value2switch $SRS_SINGLE_THREAD)"
+    SRS_AUTO_CONFIGURE="${SRS_AUTO_CONFIGURE} --signal-api=$(value2switch $SRS_SIGNAL_API)"
     SRS_AUTO_CONFIGURE="${SRS_AUTO_CONFIGURE} --generic-linux=$(value2switch $SRS_GENERIC_LINUX)"
     SRS_AUTO_CONFIGURE="${SRS_AUTO_CONFIGURE} --build-cache=$(value2switch $SRS_BUILD_CACHE)"
     if [[ $SRS_CROSS_BUILD_ARCH != "" ]]; then SRS_AUTO_CONFIGURE="$SRS_AUTO_CONFIGURE --arch=$SRS_CROSS_BUILD_ARCH"; fi

trunk/doc/CHANGELOG.md

@@ -7,6 +7,7 @@ The changelog for SRS.
 <a name="v6-changes"></a>
 
 ## SRS 6.0 Changelog
+* v6.0, 2024-08-24, Merge [#4157](https://github.com/ossrs/srs/pull/4157): Fix crash when quiting. v6.0.151 (#4157)
 * v6.0, 2024-08-24, Merge [#4156](https://github.com/ossrs/srs/pull/4156): Build: Fix srs_mp4_parser compiling error. v6.0.150 (#4156)
 * v6.0, 2024-08-21, Merge [#4150](https://github.com/ossrs/srs/pull/4150): API: Support new HTTP API for VALGRIND. v6.0.149 (#4150)
 * v6.0, 2024-08-15, Merge [#4144](https://github.com/ossrs/srs/pull/4144): HTTP-FLV: Crash when multiple viewers. v6.0.148 (#4144)

trunk/src/app/srs_app_http_api.cpp

@@ -272,7 +272,12 @@ srs_error_t SrsGoApiV1::serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r
     urls->set("clusters", SrsJsonAny::str("origin cluster server API"));
     urls->set("perf", SrsJsonAny::str("System performance stat"));
     urls->set("tcmalloc", SrsJsonAny::str("tcmalloc api with params ?page=summary|api"));
+#ifdef SRS_VALGRIND
     urls->set("valgrind", SrsJsonAny::str("valgrind api with params ?check=full|added|changed|new|quick"));
+#endif
+#ifdef SRS_SIGNAL_API
+    urls->set("signal", SrsJsonAny::str("simulate signal api with params ?signo=SIGHUP|SIGUSR1|SIGUSR2|SIGTERM|SIGQUIT|SIGABRT|SIGINT"));
+#endif
 
     SrsJsonObject* tests = SrsJsonAny::object();
     obj->set("tests", tests);
@@ -1097,7 +1102,6 @@ srs_error_t SrsGoApiTcmalloc::serve_http(ISrsHttpResponseWriter* w, ISrsHttpMess
 #endif
 
 #ifdef SRS_VALGRIND
-
 SrsGoApiValgrind::SrsGoApiValgrind()
 {
     trd_ = NULL;
@@ -1191,6 +1195,54 @@ srs_error_t SrsGoApiValgrind::cycle()
 }
 #endif
 
+#ifdef SRS_SIGNAL_API
+SrsGoApiSignal::SrsGoApiSignal()
+{
+}
+
+SrsGoApiSignal::~SrsGoApiSignal()
+{
+}
+
+srs_error_t SrsGoApiSignal::serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r)
+{
+    srs_error_t err = srs_success;
+
+    std::string signal = r->query_get("signo");
+    srs_trace("query signo=%s", signal.c_str());
+
+    int signo = SIGINT;
+    if (signal == "SIGHUP") {
+        signo = SRS_SIGNAL_RELOAD;
+    } else if (signal == "SIGUSR1") {
+        signo = SRS_SIGNAL_REOPEN_LOG;
+    } else if (signal == "SIGUSR2") {
+        signo = SRS_SIGNAL_UPGRADE;
+    } else if (signal == "SIGTERM") {
+        signo = SRS_SIGNAL_FAST_QUIT;
+    } else if (signal == "SIGQUIT") {
+        signo = SRS_SIGNAL_GRACEFULLY_QUIT;
+    } else if (signal == "SIGABRT") {
+        signo = SRS_SIGNAL_ASSERT_ABORT;
+    }
+
+    _srs_hybrid->srs()->instance()->on_signal(signo);
+
+    // By default, response the json style response.
+    SrsUniquePtr<SrsJsonObject> obj(SrsJsonAny::object());
+
+    obj->set("code", SrsJsonAny::integer(ERROR_SUCCESS));
+
+    SrsJsonObject* res = SrsJsonAny::object();
+    res->set("signal", SrsJsonAny::str(signal.c_str()));
+    res->set("help", SrsJsonAny::str("?signo=SIGHUP|SIGUSR1|SIGUSR2|SIGTERM|SIGQUIT|SIGABRT|SIGINT"));
+    res->set("signo", SrsJsonAny::integer(signo));
+    obj->set("data", res);
+
+    return srs_api_response(w, r, obj->dumps());
+}
+#endif
+
 SrsGoApiMetrics::SrsGoApiMetrics()
 {
     enabled_ = _srs_config->get_exporter_enabled();

trunk/src/app/srs_app_http_api.hpp

@@ -233,6 +233,17 @@ class SrsGoApiValgrind : public ISrsHttpHandler, public ISrsCoroutineHandler
 };
 #endif
 
+#ifdef SRS_SIGNAL_API
+class SrsGoApiSignal : public ISrsHttpHandler
+{
+public:
+    SrsGoApiSignal();
+    virtual ~SrsGoApiSignal();
+public:
+    virtual srs_error_t serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r);
+};
+#endif
+
 class SrsGoApiMetrics : public ISrsHttpHandler
 {
 private:

trunk/src/app/srs_app_server.cpp

@@ -784,6 +784,13 @@ srs_error_t SrsServer::http_handle()
     }
 #endif
 
+#ifdef SRS_SIGNAL_API
+    // Simulate the signal by HTTP API, for debug signal issues in CLion.
+    if ((err = http_api_mux->handle("/api/v1/signal", new SrsGoApiSignal())) != srs_success) {
+        return srs_error_wrap(err, "handle signal errors");
+    }
+#endif
+
     // metrics by prometheus
     if ((err = http_api_mux->handle("/metrics", new SrsGoApiMetrics())) != srs_success) {
         return srs_error_wrap(err, "handle tests errors");

trunk/src/app/srs_app_threads.cpp

@@ -455,154 +455,6 @@ srs_error_t srs_global_initialize()
     return err;
 }
 
-void srs_global_dispose()
-{
-    // Note that hybrid depends on sources.
-    srs_freep(_srs_hybrid);
-    srs_freep(_srs_sources);
-
-    srs_freep(_srs_clock);
-
-    srs_freep(_srs_stages);
-    srs_freep(_srs_circuit_breaker);
-
-#ifdef SRS_SRT
-    srs_freep(_srs_srt_sources);
-#endif
-
-#ifdef SRS_RTC
-    srs_freep(_srs_rtc_sources);
-    srs_freep(_srs_blackhole);
-    srs_freep(_srs_rtc_manager);
-    srs_freep(_srs_rtc_dtls_certificate);
-#endif
-#ifdef SRS_GB28181
-    srs_freep(_srs_gb_manager);
-#endif
-
-    srs_freep(_srs_pps_ids);
-    srs_freep(_srs_pps_fids);
-    srs_freep(_srs_pps_fids_level0);
-    srs_freep(_srs_pps_dispose);
-
-    srs_freep(_srs_pps_timer);
-    srs_freep(_srs_pps_conn);
-    srs_freep(_srs_pps_pub);
-
-#ifdef SRS_RTC
-    srs_freep(_srs_pps_snack);
-    srs_freep(_srs_pps_snack2);
-    srs_freep(_srs_pps_snack3);
-    srs_freep(_srs_pps_snack4);
-    srs_freep(_srs_pps_sanack);
-    srs_freep(_srs_pps_svnack);
-
-    srs_freep(_srs_pps_rnack);
-    srs_freep(_srs_pps_rnack2);
-    srs_freep(_srs_pps_rhnack);
-    srs_freep(_srs_pps_rmnack);
-#endif
-
-#if defined(SRS_DEBUG) && defined(SRS_DEBUG_STATS)
-    srs_freep(_srs_pps_recvfrom);
-    srs_freep(_srs_pps_recvfrom_eagain);
-    srs_freep(_srs_pps_sendto);
-    srs_freep(_srs_pps_sendto_eagain);
-
-    srs_freep(_srs_pps_read);
-    srs_freep(_srs_pps_read_eagain);
-    srs_freep(_srs_pps_readv);
-    srs_freep(_srs_pps_readv_eagain);
-    srs_freep(_srs_pps_writev);
-    srs_freep(_srs_pps_writev_eagain);
-
-    srs_freep(_srs_pps_recvmsg);
-    srs_freep(_srs_pps_recvmsg_eagain);
-    srs_freep(_srs_pps_sendmsg);
-    srs_freep(_srs_pps_sendmsg_eagain);
-
-    srs_freep(_srs_pps_epoll);
-    srs_freep(_srs_pps_epoll_zero);
-    srs_freep(_srs_pps_epoll_shake);
-    srs_freep(_srs_pps_epoll_spin);
-
-    srs_freep(_srs_pps_sched_15ms);
-    srs_freep(_srs_pps_sched_20ms);
-    srs_freep(_srs_pps_sched_25ms);
-    srs_freep(_srs_pps_sched_30ms);
-    srs_freep(_srs_pps_sched_35ms);
-    srs_freep(_srs_pps_sched_40ms);
-    srs_freep(_srs_pps_sched_80ms);
-    srs_freep(_srs_pps_sched_160ms);
-    srs_freep(_srs_pps_sched_s);
-#endif
-
-    srs_freep(_srs_pps_clock_15ms);
-    srs_freep(_srs_pps_clock_20ms);
-    srs_freep(_srs_pps_clock_25ms);
-    srs_freep(_srs_pps_clock_30ms);
-    srs_freep(_srs_pps_clock_35ms);
-    srs_freep(_srs_pps_clock_40ms);
-    srs_freep(_srs_pps_clock_80ms);
-    srs_freep(_srs_pps_clock_160ms);
-    srs_freep(_srs_pps_timer_s);
-
-#if defined(SRS_DEBUG) && defined(SRS_DEBUG_STATS)
-    srs_freep(_srs_pps_thread_run);
-    srs_freep(_srs_pps_thread_idle);
-    srs_freep(_srs_pps_thread_yield);
-    srs_freep(_srs_pps_thread_yield2);
-#endif
-
-    srs_freep(_srs_pps_rpkts);
-    srs_freep(_srs_pps_addrs);
-    srs_freep(_srs_pps_fast_addrs);
-
-    srs_freep(_srs_pps_spkts);
-    srs_freep(_srs_pps_objs_msgs);
-
-#ifdef SRS_RTC
-    srs_freep(_srs_pps_sstuns);
-    srs_freep(_srs_pps_srtcps);
-    srs_freep(_srs_pps_srtps);
-
-    srs_freep(_srs_pps_rstuns);
-    srs_freep(_srs_pps_rrtps);
-    srs_freep(_srs_pps_rrtcps);
-
-    srs_freep(_srs_pps_aloss2);
-
-    srs_freep(_srs_pps_pli);
-    srs_freep(_srs_pps_twcc);
-    srs_freep(_srs_pps_rr);
-
-    srs_freep(_srs_pps_objs_rtps);
-    srs_freep(_srs_pps_objs_rraw);
-    srs_freep(_srs_pps_objs_rfua);
-    srs_freep(_srs_pps_objs_rbuf);
-    srs_freep(_srs_pps_objs_rothers);
-#endif
-
-    srs_freep(_srs_dvr_async);
-
-#ifdef SRS_APM
-    srs_freep(_srs_cls);
-    srs_freep(_srs_apm);
-#endif
-
-    srs_freep(_srs_reload_err);
-
-    // Note that we never free the logging, because it's used after thread terminated.
-    //srs_freep(_srs_log);
-    //srs_freep(_srs_config);
-    //srs_freep(_srs_context);
-    //srs_freep(_srs_pps_cids_get);
-    //srs_freep(_srs_pps_cids_set);
-
-    // Dispose ST finally, which may be used by other global objects.
-    srs_st_destroy();
-}
-
 SrsThreadMutex::SrsThreadMutex()
 {
     // https://man7.org/linux/man-pages/man3/pthread_mutexattr_init.3.html

trunk/src/app/srs_app_threads.hpp

@@ -53,7 +53,6 @@ extern SrsCircuitBreaker* _srs_circuit_breaker;
 
 // Initialize global shared variables cross all threads.
 extern srs_error_t srs_global_initialize();
-extern void srs_global_dispose();
 
 // The thread mutex wrapper, without error.
 class SrsThreadMutex

trunk/src/core/srs_core_version6.hpp

@@ -9,6 +9,6 @@
 
 #define VERSION_MAJOR       6
 #define VERSION_MINOR       0
-#define VERSION_REVISION    150
+#define VERSION_REVISION    151
 
 #endif

trunk/src/main/srs_main_server.cpp

@@ -463,17 +463,17 @@ srs_error_t run_directly_or_daemon()
 srs_error_t run_hybrid_server(void* arg);
 srs_error_t run_in_thread_pool()
 {
-#ifdef SRS_SINGLE_THREAD
-    srs_trace("Run in single thread mode");
-    return run_hybrid_server(NULL);
-#else
     srs_error_t err = srs_success;
 
-    // Initialize the thread pool.
+    // Initialize the thread pool, even if we run in single thread mode.
     if ((err = _srs_thread_pool->initialize()) != srs_success) {
         return srs_error_wrap(err, "init thread pool");
     }
 
+#ifdef SRS_SINGLE_THREAD
+    srs_trace("Run in single thread mode");
+    return run_hybrid_server(NULL);
+#else
     // Start the hybrid service worker thread, for RTMP and RTC server, etc.
     if ((err = _srs_thread_pool->execute("hybrid", run_hybrid_server, (void*)NULL)) != srs_success) {
         return srs_error_wrap(err, "start hybrid server thread");
@@ -525,10 +525,6 @@ srs_error_t run_hybrid_server(void* /*arg*/)
     // After all done, stop and cleanup.
     _srs_hybrid->stop();
 
-    // Dispose all global objects, note that we should do this in the hybrid thread, because it may
-    // depend on the ST when disposing.
-    srs_global_dispose();
-
     return err;
 }