-/* $Id:$ */
+/* $Id$ */
#ifndef THREADS_H
#define THREADS_H
#include "server.h"
#include "sysdep_decls.h"
+#ifndef timerclear
+#define timerclear(tvp) ((tvp)->tv_sec = (tvp)->tv_usec = 0)
+#endif
+
+#ifndef timerisset
+#define timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec)
+#endif
+
+#ifndef timercmp
+#define timercmp(tvp, uvp, cmp) \
+ (((tvp)->tv_sec == (uvp)->tv_sec) ? \
+ ((tvp)->tv_usec cmp (uvp)->tv_usec) : \
+ ((tvp)->tv_sec cmp (uvp)->tv_sec))
+#endif
+
+#ifndef timeradd
+#define timeradd(tvp, uvp, vvp) \
+ do { \
+ (vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \
+ (vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \
+ if ((vvp)->tv_usec >= 1000000) { \
+ (vvp)->tv_sec++; \
+ (vvp)->tv_usec -= 1000000; \
+ } \
+ } while (0)
+#endif
+
+#ifndef timersub
+#define timersub(tvp, uvp, vvp) \
+ do { \
+ (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \
+ (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \
+ if ((vvp)->tv_usec < 0) { \
+ (vvp)->tv_sec--; \
+ (vvp)->tv_usec += 1000000; \
+ } \
+ } while (0)
+#endif
+
+
+// #define THREADS_USESIGNALS
+
/*
* Thread stuff
*/
struct CtdlThreadNode{
citthread_t tid; /* id as returned by citthread_create() */
pid_t pid; /* pid, as best the OS will let us determine */
+ long reltid; /* counting from start... */
time_t when; /* When to start a scheduled thread */
struct CitContext *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) */
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 */
+ time_t stop_ticker; /* A counter to determine how long it has taken for this thread to exit */
citthread_mutex_t ThreadMutex; /* A mutex to sync this thread to others if this thread allows (also used for sleeping) */
citthread_cond_t ThreadCond; /* A condition variable to sync this thread with others */
citthread_mutex_t SleepMutex; /* A mutex for sleeping */
extern double CtdlThreadLoadAvg;
extern double CtdlThreadWorkerAvg;
+extern long statcount; /* are we doing a stats check? */
extern citthread_key_t ThreadKey;
void ctdl_thread_internal_init_tsd(void);
void ctdl_thread_internal_free_tsd(void);
CtdlThreadNode *ctdl_internal_create_thread(char *name, long flags, void *(*thread_func) (void *arg), void *args);
void ctdl_thread_internal_check_scheduled(void);
+void ctdl_thread_internal_change_state (CtdlThreadNode *this_thread, enum CtdlThreadState new_state);
void InitialiseSemaphores(void);
int try_critical_section (int which_one);