X-Git-Url: https://code.citadel.org/?a=blobdiff_plain;f=citadel%2Fthreads.c;h=b0856bf2277e50afd8d298f0e9fd4a4e19dc0d44;hb=27014176ee36ef29b80da016f3fd5772189f8377;hp=bea9665c3c5eba17ec14aa8af7fd6e16f59c431d;hpb=f2f392abe416b03750cb053fd0780f62c85d3ae4;p=citadel.git diff --git a/citadel/threads.c b/citadel/threads.c index bea9665c3..b0856bf22 100644 --- a/citadel/threads.c +++ b/citadel/threads.c @@ -1,7 +1,7 @@ /* * Thread handling stuff for Citadel server * - * Copyright (c) 1987-2011 by the citadel.org team + * Copyright (c) 1987-2019 by the citadel.org team * * This program is open source software; you can redistribute it and/or modify * it under the terms of the GNU General Public License, version 3. @@ -12,49 +12,16 @@ * GNU General Public License for more details. */ -#include -#include -#include -#include #include -#include -#include -#include -#include +#include #include - -#include "sysdep.h" -#if TIME_WITH_SYS_TIME -# include -# include -#else -# if HAVE_SYS_TIME_H -# include -# else -# include -# endif -#endif - -#ifdef HAVE_SYSCALL_H -# include -#else -# if HAVE_SYS_SYSCALL_H -# include -# endif -#endif - #include - -#include "threads.h" -#include "ctdl_module.h" #include "modules_init.h" -#include "housekeeping.h" +#include "serv_extensions.h" +#include "ctdl_module.h" #include "config.h" -#include "citserver.h" -#include "sysdep_decls.h" #include "context.h" -#include "event_client.h" - +#include "threads.h" int num_workers = 0; /* Current number of worker threads */ int active_workers = 0; /* Number of ACTIVE worker threads */ @@ -62,9 +29,7 @@ pthread_key_t ThreadKey; pthread_mutex_t Critters[MAX_SEMAPHORES]; /* Things needing locking */ struct thread_tsd masterTSD; int server_shutting_down = 0; /* set to nonzero during shutdown */ - -pthread_mutex_t ThreadCountMutex;; - +pthread_mutex_t ThreadCountMutex; void InitializeSemaphores(void) { @@ -77,8 +42,6 @@ void InitializeSemaphores(void) } - - /* * Obtain a semaphore lock to begin a critical section. * but only if no one else has one @@ -115,6 +78,7 @@ void begin_critical_section(int which_one) pthread_mutex_lock(&Critters[which_one]); } + /* * Release a semaphore lock to end a critical section. */ @@ -124,18 +88,18 @@ void end_critical_section(int which_one) } - - /* * Return a pointer to our thread-specific (not session-specific) data. */ struct thread_tsd *MyThread(void) { - register struct thread_tsd *c; - return ((c = (struct thread_tsd *) pthread_getspecific(ThreadKey), c == NULL) ? &masterTSD : c); + struct thread_tsd *c = (struct thread_tsd *) pthread_getspecific(ThreadKey) ; + if (!c) { + return &masterTSD; + } + return c; } - /* * Called by CtdlThreadCreate() * We have to pass through here before starting our thread in order to create a set of data @@ -151,8 +115,7 @@ void *CTC_backend(void *supplied_start_routine) pthread_setspecific(ThreadKey, (const void *) mytsd); start_routine(NULL); - - free(mytsd); + // free(mytsd); return(NULL); } @@ -166,32 +129,24 @@ void CtdlThreadCreate(void *(*start_routine)(void*)) pthread_attr_t attr; int ret = 0; - ret = pthread_attr_init(&attr); ret = pthread_attr_setstacksize(&attr, THREADSTACKSIZE); ret = pthread_create(&thread, &attr, CTC_backend, (void *)start_routine); - if (ret != 0) syslog(LOG_EMERG, "pthread_create() : %s", strerror(errno)); + if (ret != 0) syslog(LOG_ERR, "pthread_create() : %m"); } void InitializeMasterTSD(void) { + TRACE; memset(&masterTSD, 0, sizeof(struct thread_tsd)); } -extern void ShutDownEventQueues(void); -int EventQShuttingDown = 0; -int EVQShutDown = 0; /* * Initialize the thread system */ void go_threading(void) { - if (pthread_key_create(&ThreadKey, NULL) != 0) { - syslog(LOG_EMERG, "pthread_key_create() : %s", strerror(errno)); - abort(); - } - pthread_mutex_init(&ThreadCountMutex, NULL); /* Second call to module init functions now that threading is up */ @@ -204,22 +159,13 @@ void go_threading(void) * they are all in use. */ while (!server_shutting_down) { - if ((active_workers == num_workers) && (num_workers < config.c_max_workers)) { + if ((active_workers == num_workers) && (num_workers < CtdlGetConfigInt("c_max_workers"))) { CtdlThreadCreate(worker_thread); } usleep(1000000); } /* When we get to this point we are getting ready to shut down our Citadel server */ - if (!EventQShuttingDown) - { - EventQShuttingDown = 1; - ShutDownEventQueues(); - } - while (!EVQShutDown) - usleep(1000000); - - terminate_all_sessions(); /* close all client sockets */ CtdlShutdownServiceHooks(); /* close all listener sockets to prevent new connections */ PerformSessionHooks(EVT_SHUTDOWN); /* run any registered shutdown hooks */