*/
-#include <pthread.h>
#include <stdarg.h>
#include "sysdep.h"
+
+#ifdef HAVE_PTHREAD_H
+#include <pthread.h>
+#endif
+
+#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"
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,char **errormessage);
int ig_uds_server(char *sockpath, int queue_len, char **errormessage);
struct CitContext *MyContext (void);
void InitializeMasterCC(void);
void init_master_fdset(void);
void create_worker(void);
-void InitialiseSemaphores(void);
extern int num_sessions;
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;
-
-
-extern double CtdlThreadLoadAvg;
-extern double CtdlThreadWorkerAvg;
-
-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);
-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;
+/*
+ * Typdefs and stuff to abstract pthread for Citadel
+ */
+#ifdef HAVE_PTHREAD_H
+
+typedef pthread_t citthread_t;
+typedef pthread_key_t citthread_key_t;
+typedef pthread_mutex_t citthread_mutex_t;
+typedef pthread_cond_t citthread_cond_t;
+typedef pthread_attr_t citthread_attr_t;
+
+
+#define citthread_mutex_init pthread_mutex_init
+#define citthread_cond_init pthread_cond_init
+#define citthread_attr_init pthread_attr_init
+#define citthread_mutex_trylock pthread_mutex_trylock
+#define citthread_mutex_lock pthread_mutex_lock
+#define citthread_mutex_unlock pthread_mutex_unlock
+#define citthread_key_create pthread_key_create
+#define citthread_getspecific pthread_getspecific
+#define citthread_setspecific pthread_setspecific
+#define citthread_mutex_destroy pthread_mutex_destroy
+#define citthread_cond_destroy pthread_cond_destroy
+#define citthread_attr_destroy pthread_attr_destroy
+
+#define citthread_kill pthread_kill
+#define citthread_cond_signal pthread_cond_signal
+#define citthread_cond_broadcast pthread_cond_broadcast
+#define citthread_cancel pthread_cancel
+#define citthread_cond_timedwait pthread_cond_timedwait
+#define citthread_cond_wait pthread_cond_wait
+#define citthread_equal pthread_equal
+#define citthread_self pthread_self
+#define citthread_create pthread_create
+#define citthread_attr_setstacksize pthread_attr_setstacksize
+#define citthread_join pthread_join
+#define citthread_cleanup_push pthread_cleanup_push
+#define citthread_cleanup_pop pthread_cleanup_pop
+
+
+#endif /* HAVE_PTHREAD_H */
-extern int SyslogFacility(char *name);
-extern int syslog_facility;
#ifdef DEBUG_MEMORY_LEAKS
#define malloc(x) tracked_malloc(x, __FILE__, __LINE__)
void dump_heap(void);
#endif
-void create_maintenance_threads(void);
-
#endif /* SYSDEP_DECLS_H */