X-Git-Url: https://code.citadel.org/?a=blobdiff_plain;f=citadel%2Fthreads.h;h=11bad4f09e305606555a5f4930d5ebfe4b7d85ce;hb=0adb29d5fa73df9c3760478405aaf71fa37054c4;hp=5d21101386d89b22b5476ff931f71f70a5856734;hpb=965e0b21ce4bf3ec1861275098bdc4d1adecbfd1;p=citadel.git diff --git a/citadel/threads.h b/citadel/threads.h index 5d2110138..11bad4f09 100644 --- a/citadel/threads.h +++ b/citadel/threads.h @@ -1,4 +1,3 @@ -/* $Id:$ */ #ifndef THREADS_H #define THREADS_H @@ -21,77 +20,32 @@ #endif #include "server.h" +#include "sysdep_decls.h" /* - * Thread stuff + * Things we need to keep track of per-thread instead of per-session */ - -enum CtdlThreadState { - CTDL_THREAD_INVALID, - CTDL_THREAD_VALID, - CTDL_THREAD_CREATE, - CTDL_THREAD_CANCELLED, - CTDL_THREAD_EXITED, - CTDL_THREAD_STOPPING, - CTDL_THREAD_STOP_REQ, /* Do NOT put any running states before this state */ - CTDL_THREAD_SLEEPING, - CTDL_THREAD_BLOCKED, - CTDL_THREAD_RUNNING, - CTDL_THREAD_LAST_STATE +struct thread_tsd { + DB_TXN *tid; /* Transaction handle */ + DBC *cursors[MAXCDB]; /* Cursors, for traversals... */ }; -extern struct CtdlThreadNode { - pthread_t tid; /* id as returned by pthread_create() */ - pid_t pid; /* pid, as best the OS will let us determine */ - time_t when; /* When to start a scheduled thread */ - struct CitConext *Context; /* The session context that this thread mught be working on or NULL if none */ - long number; /* A unigue number for this thread (not implimented yet) */ - int wakefd_recv; /* An fd that this thread can sleep on (not implimented yet) */ - int wakefd_send; /* An fd that this thread can send out on (Not implimented yet) */ - int signal; /* A field to store a signal we caught. */ - const char *name; /* A name for this thread */ - void *(*thread_func) (void *arg); /* The actual function that does this threads work */ - void *user_args; /* Arguments passed to this threads work function */ - long flags; /* Flags that describe this thread */ - enum CtdlThreadState state; /* Flag to show state of this thread */ - pthread_mutex_t ThreadMutex; /* A mutex to sync this thread to others if this thread allows (also used for sleeping) */ - pthread_cond_t ThreadCond; /* A condition variable to sync this thread with others */ - pthread_mutex_t SleepMutex; /* A mutex for sleeping */ - pthread_cond_t SleepCond; /* A condition variable for sleeping */ - pthread_attr_t attr; /* Attributes of this thread */ - struct timeval start_time; /* Time this thread was started */ - struct timeval last_state_change; /* Time when this thread last changed state */ - double avg_sleeping; /* Average sleeping time */ - double avg_running; /* Average running time */ - double avg_blocked; /* Average blocked time */ - double load_avg; /* Load average for this thread */ - struct CtdlThreadNode *prev; /* Previous thread in the thread table */ - struct CtdlThreadNode *next; /* Next thread in the thread table */ -} *CtdlThreadList; - -typedef struct { - DB_TXN *tid; /* Transaction handle */ - DBC *cursors[MAXCDB]; /* Cursors, for traversals... */ - struct CtdlThreadNode *self; /* Pointer to this threads control structure */ -}ThreadTSD ; - -extern double CtdlThreadLoadAvg; -extern double CtdlThreadWorkerAvg; -extern pthread_key_t ThreadKey; +extern struct thread_tsd masterTSD; +#define TSD MyThread() -void ctdl_thread_internal_init_tsd(void); -void ctdl_internal_thread_gc (void); -void ctdl_thread_internal_init(void); -void ctdl_thread_internal_cleanup(void); -void ctdl_thread_internal_calc_loadavg(void); -void ctdl_thread_internal_free_tsd(void); -struct CtdlThreadNode *ctdl_internal_create_thread(char *name, long flags, void *(*thread_func) (void *arg), void *args); -void ctdl_thread_internal_check_scheduled(void); +extern int num_workers; +extern int active_workers; +extern int server_shutting_down; -void InitialiseSemaphores(void); +struct thread_tsd *MyThread(void); int try_critical_section (int which_one); void begin_critical_section (int which_one); void end_critical_section (int which_one); void go_threading(void); +void InitializeMasterTSD(void); +void CtdlThreadCreate(void *(*start_routine)(void*)); + + +extern pthread_mutex_t ThreadCountMutex;; #endif // THREADS_H