/* $Id$ */
+#ifndef SYSDEP_DECLS_H
+#define SYSDEP_DECLS_H
/*
* Uncomment this #define if you are a Citadel developer tracking
* down memory leaks in the server. Do NOT do this on a production
* system because it definitely incurs a lot of additional overhead.
+#define DEBUG_MEMORY_LEAKS
*/
-/* #define DEBUG_MEMORY_LEAKS */
#include <pthread.h>
+#include <stdarg.h>
#include "sysdep.h"
+
+#ifdef HAVE_DB_H
+#include <db.h>
+#elif defined(HAVE_DB4_DB_H)
+#include <db4/db.h>
+#else
+#error Neither <db.h> nor <db4/db.h> was found by configure. Install db4-devel.
+#endif
+
+
+#if DB_VERSION_MAJOR < 4 || DB_VERSION_MINOR < 1
+#error Citadel requires Berkeley DB v4.1 or newer. Please upgrade.
+#endif
+
#include "server.h"
+#include "database.h"
+
+#if SIZEOF_SIZE_T == SIZEOF_INT
+#define SIZE_T_FMT "%d"
+#else
+#define SIZE_T_FMT "%ld"
+#endif
+
/* Logging levels - correspond to syslog(3) */
enum LogLevel {
void cprintf (const char *format, ...);
#endif
+void vlprintf (enum LogLevel loglevel, const char *format, va_list arg_ptr);
+
extern pthread_key_t MyConKey; /* TSD key for MyContext() */
extern int enable_syslog;
void init_sysdep (void);
void begin_critical_section (int which_one);
void end_critical_section (int which_one);
-int ig_tcp_server (char *ip_addr, int port_number, int queue_len);
-int ig_uds_server(char *sockpath, int queue_len);
+int ig_tcp_server (char *ip_addr, int port_number, int queue_len,char **errormessage);
+int ig_uds_server(char *sockpath, int queue_len, char **errormessage);
struct CitContext *MyContext (void);
struct CitContext *CreateNewContext (void);
void InitMyContext (struct CitContext *con);
void cmd_nset (char *cmdbuf);
int convert_login (char *NameToConvert);
void *worker_thread (void *arg);
+void *context_cleanup_thread (void *arg);
void become_session(struct CitContext *which_con);
void InitializeMasterCC(void);
void init_master_fdset(void);
void create_worker(void);
+void InitialiseSemaphores(void);
+
extern int num_sessions;
-extern volatile int time_to_die;
+extern volatile int exit_signal;
extern volatile int shutdown_and_halt;
+extern volatile int running_as_daemon;
+extern volatile int restart_server;
extern int verbosity;
extern int rescan[];
-extern struct worker_node {
- pthread_t tid;
- struct worker_node *next;
-} *worker_list;
+
+
+/*
+ * Thread stuff
+ */
+#define CTDLTHREAD_BIGSTACK 0x0001
+#define CTDLTHREAD_WORKER 0x0002
+
+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
+};
+
+extern struct CtdlThreadNode {
+ pthread_t tid; /* id as returned by pthread_create() */
+ pid_t pid; /* pid, as best the OS will let us determine */
+ 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) */
+ 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;
+
+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);
+
+
extern int SyslogFacility(char *name);
extern int syslog_facility;
#endif
void create_maintenance_threads(void);
-extern pthread_t indexer_thread_tid;
-extern pthread_t checkpoint_thread_tid;
+
+#endif /* SYSDEP_DECLS_H */
projects / citadel.git / blobdiff