diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/nxagent')
| -rw-r--r-- | nx-X11/programs/Xserver/hw/nxagent/Handlers.c | 187 |
1 files changed, 76 insertions, 111 deletions
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Handlers.c b/nx-X11/programs/Xserver/hw/nxagent/Handlers.c index 7311889b7..2c0ee731a 100644 --- a/nx-X11/programs/Xserver/hw/nxagent/Handlers.c +++ b/nx-X11/programs/Xserver/hw/nxagent/Handlers.c @@ -57,47 +57,42 @@ #undef DUMP /* - * Log begin and end of the important - * handlers. + * Log begin and end of the important handlers. */ #undef BLOCKS /* - * If not defined, flush immediately - * upon entering the block handler. + * If not defined, flush immediately upon entering the block handler. */ #define FLUSH_AFTER_MULTIPLE_READS /* - * The soft limit should roughly match - * the size of the Xlib I/O buffer. + * The soft limit should roughly match the size of the Xlib I/O + * buffer. */ #define BYTES_BEFORE_SOFT_TOKEN 2048 #define BYTES_BEFORE_HARD_TOKEN 65536 /* - * Maximum number of synchronization - * requests before waiting for the + * Maximum number of synchronization requests before waiting for the * remote. */ #define TOKENS_PENDING_LIMIT 8 /* - * Limits are very unobtrusive. We don't - * want to interfere with the normal - * dispatching. + * Limits are very unobtrusive. We don't want to interfere with the + * normal dispatching. */ #define BYTES_BEFORE_YIELD 1048576 #define TIME_BEFORE_YIELD 500 /* - * Dynamically reduce the display buffer - * size after a congestion. + * Dynamically reduce the display buffer size after a congestion. */ #undef DYNAMIC_DISPLAY_BUFFER @@ -116,16 +111,14 @@ extern void nxagentDumpInputDevicesState(void); #endif /* - * Used in the handling of the X desktop - * manager protocol. + * Used in the handling of the X desktop manager protocol. */ int nxagentXdmcpUp = 0; int nxagentXdmcpAlertUp = 0; /* - * Also used in the block, wakeup and - * sync handlers. + * Also used in the block, wakeup and sync handlers. */ int nxagentBuffer; @@ -136,30 +129,28 @@ double nxagentBytesIn; double nxagentBytesOut; /* - * Total number of descriptors ready - * as reported by the wakeup handler. + * Total number of descriptors ready as reported by the wakeup + * handler. */ int nxagentReady; /* - * Timestamp of the last write to the - * remote display. + * Timestamp of the last write to the remote display. */ int nxagentFlush; /* - * Arbitrate the bandwidth among our - * clients. + * Arbitrate the bandwidth among our clients. */ struct _TokensRec nxagentTokens = { 0, 0, 0 }; struct _DispatchRec nxagentDispatch = { UNDEFINED, 0, 0, 0 }; /* - * Called just before blocking, waiting - * for our clients or the X server. + * Called just before blocking, waiting for our clients or the X + * server. */ extern int nxagentSkipImage; @@ -179,15 +170,13 @@ void nxagentBlockHandler(void * data, struct timeval **timeout, void * mask) static int now; /* - * Pending bytes to write to the - * network. + * Pending bytes to write to the network. */ static int flushable; /* - * Set if we need to synchronize - * any drawable. + * Set if we need to synchronize any drawable. */ static int synchronize; @@ -242,8 +231,8 @@ void nxagentBlockHandler(void * data, struct timeval **timeout, void * mask) #endif /* - * Slow down the agent if the session is - * not connected to a valid display. + * Slow down the agent if the session is not connected to a valid + * display. */ if (NXDisplayError(nxagentDisplay) == 1 && nxagentShadowCounter == 0 && nxagentOption(SleepTime) > 0) @@ -263,8 +252,7 @@ void nxagentBlockHandler(void * data, struct timeval **timeout, void * mask) #endif /* - * Update the shadow display. This is - * only for test purposes. + * Update the shadow display. This is only for test purposes. */ #ifdef DUMP @@ -276,17 +264,14 @@ void nxagentBlockHandler(void * data, struct timeval **timeout, void * mask) #endif /* - * We need this here because some window - * configuration changes can be generated - * by the X server outside the control of - * the DIX. + * We need this here because some window configuration changes can + * be generated by the X server outside the control of the DIX. */ nxagentFlushConfigureWindow(); /* - * Check whether there is any drawable to - * synchronize. + * Check whether there is any drawable to synchronize. */ #ifdef TEST @@ -300,8 +285,7 @@ void nxagentBlockHandler(void * data, struct timeval **timeout, void * mask) nxagentCorruptedPixmaps > 0); /* - * The synchronization function requires a mask as - * parameter: + * The synchronization function requires a mask as parameter: * * EVENT_BREAK Breaks if an user input, like * a key press or a mouse move, @@ -324,9 +308,8 @@ void nxagentBlockHandler(void * data, struct timeval **timeout, void * mask) if (synchronize == 1) { /* - * We should not enter the synchronization - * loop if there is any user input pending, - * i.e. if we are in the middle of a scroll + * We should not enter the synchronization loop if there is any + * user input pending, i.e. if we are in the middle of a scroll * operation. */ @@ -361,9 +344,8 @@ void nxagentBlockHandler(void * data, struct timeval **timeout, void * mask) #endif /* - * Check if we have more corrupted resources - * and whether the conditions are satisfied - * to continue with the synchronization. + * Check if we have more corrupted resources and whether the + * conditions are satisfied to continue with the synchronization. */ synchronize = (nxagentCongestion <= 4 && @@ -405,9 +387,9 @@ void nxagentBlockHandler(void * data, struct timeval **timeout, void * mask) } /* - * If the remote X server is blocking, reduce the - * amount of data sent in a single display update - * by reducing the size of the display buffer. + * If the remote X server is blocking, reduce the amount of data + * sent in a single display update by reducing the size of the + * display buffer. */ #ifdef DYNAMIC_DISPLAY_BUFFER @@ -445,8 +427,8 @@ void nxagentBlockHandler(void * data, struct timeval **timeout, void * mask) #endif /* #ifdef DYNAMIC_DISPLAY_BUFFER */ /* - * Dispatch to the clients the events that - * may have become available. + * Dispatch to the clients the events that may have become + * available. */ if (nxagentPendingEvents(nxagentDisplay) > 0) @@ -459,9 +441,8 @@ void nxagentBlockHandler(void * data, struct timeval **timeout, void * mask) } /* - * Check if there is any data remaining, - * either in the display buffer or in - * the NX transport. + * Check if there is any data remaining, either in the display + * buffer or in the NX transport. */ flushable = NXDisplayFlushable(nxagentDisplay); @@ -471,9 +452,8 @@ void nxagentBlockHandler(void * data, struct timeval **timeout, void * mask) #ifdef FLUSH_AFTER_MULTIPLE_READS /* - * Flush all the outstanding data if - * the wakeup handler didn't detect - * any activity. + * Flush all the outstanding data if the wakeup handler didn't + * detect any activity. */ if (nxagentReady == 0 || now - nxagentFlush >= @@ -487,8 +467,7 @@ void nxagentBlockHandler(void * data, struct timeval **timeout, void * mask) NXFlushDisplay(nxagentDisplay, NXFlushLink); /* - * New events may have become available - * after the flush. + * New events may have become available after the flush. */ if (nxagentPendingEvents(nxagentDisplay) > 0) @@ -516,9 +495,8 @@ void nxagentBlockHandler(void * data, struct timeval **timeout, void * mask) #else /* #ifdef FLUSH_AFTER_MULTIPLE_READS */ /* - * We are entering the select. Tell the NX - * transport to write any produced data to - * the remote end. + * We are entering the select. Tell the NX transport to write any + * produced data to the remote end. */ NXFlushDisplay(nxagentDisplay, NXFlushLink); @@ -556,12 +534,11 @@ void nxagentBlockHandler(void * data, struct timeval **timeout, void * mask) } /* - * WaitForSomething() sets a zero timeout if there - * are clients with input, but doesn't stop the - * timer. The select is then interrupted to update - * the schedule time even if, what the dispatcher - * cares, is only the number of ticks at the time - * the client is scheduled in. + * WaitForSomething() sets a zero timeout if there are clients with + * input, but doesn't stop the timer. The select is then interrupted + * to update the schedule time even if, what the dispatcher cares, + * is only the number of ticks at the time the client is scheduled + * in. */ #ifdef DEBUG @@ -641,8 +618,7 @@ void nxagentWakeupHandler(void * data, int count, void * mask) else if (nxagentQueuedEvents(nxagentDisplay) == 1) { /* - * We may have left some events in - * the queue. + * We may have left some events in the queue. */ #ifdef TEST @@ -674,9 +650,8 @@ void nxagentWakeupHandler(void * data, int count, void * mask) #endif /* - * If the XDM connection can't be established - * we'll need to create a dialog to notify the - * user and give him/her a chance to terminate + * If the XDM connection can't be established we'll need to create a + * dialog to notify the user and give him/her a chance to terminate * the session. */ @@ -813,14 +788,12 @@ void nxagentShadowBlockHandler(void * data, struct timeval **timeout, void * mas } /* - * We are entering the select. Tell the NX - * transport to write any produced data to - * the remote end. + * We are entering the select. Tell the NX transport to write any + * produced data to the remote end. */ /* -FIXME: Must queue multiple writes and handle - the events by resembling the ordinary - block handler. +FIXME: Must queue multiple writes and handle the events by resembling + the ordinary block handler. */ NXFlushDisplay(nxagentDisplay, NXFlushLink); @@ -929,8 +902,7 @@ void nxagentShadowWakeupHandler(void * data, int count, void * mask) else if (nxagentQueuedEvents(nxagentDisplay) == 1) { /* - * We may have left some events in - * the queue. + * We may have left some events in the queue. */ #ifdef TEST @@ -1022,13 +994,11 @@ Bool nxagentCollectInputFocusPredicate(Display *display, XEvent *X, XPointer ptr void nxagentDispatchHandler(ClientPtr client, int in, int out) { /* - * This function is called by the dispatcher (with 0 - * bytes out) after a new request has been processed. - * It is also called by the write handler (with 0 - * bytes in) after more data has been written to the - * display. It may be optionally called in the block - * and wakeup handlers. In this case both in and out - * must be 0. + * This function is called by the dispatcher (with 0 bytes out) + * after a new request has been processed. It is also called by the + * write handler (with 0 bytes in) after more data has been written + * to the display. It may be optionally called in the block and + * wakeup handlers. In this case both in and out must be 0. */ if (out > 0) @@ -1050,14 +1020,12 @@ void nxagentDispatchHandler(ClientPtr client, int in, int out) #endif /* - * Don't take care of the synchronization if - * the NX transport is running. The NX trans- - * port has its own token-based control flow. + * Don't take care of the synchronization if the NX transport is + * running. The NX transport has its own token-based control flow. * - * We can't produce more output here because - * we are in the middle of the flush. We will - * take care of the sync requests when called - * by the dispatcher. + * We can't produce more output here because we are in the middle + * of the flush. We will take care of the sync requests when + * called by the dispatcher. */ if (nxagentOption(LinkType) == LINK_TYPE_NONE) @@ -1079,8 +1047,8 @@ void nxagentDispatchHandler(ClientPtr client, int in, int out) { /* - * Pay attention to the next client if this - * client produced enough output. + * Pay attention to the next client if this client produced + * enough output. */ if (nxagentBytesOut - nxagentDispatch.out > BYTES_BEFORE_YIELD) @@ -1142,12 +1110,11 @@ void nxagentDispatchHandler(ClientPtr client, int in, int out) #endif /* - * When using the dumb scheduler, before reading from - * another client, the dispatcher tries to drain all - * the input from the client being processed. This - * means that, if isItTimeToYield is never set and the - * client never produces any output, we'll stick into - * the inner dispatch loop forever. + * When using the dumb scheduler, before reading from another + * client, the dispatcher tries to drain all the input from the + * client being processed. This means that, if isItTimeToYield is + * never set and the client never produces any output, we'll stick + * into the inner dispatch loop forever. */ if (!SmartScheduleSignalEnable) @@ -1228,10 +1195,9 @@ void nxagentDispatchHandler(ClientPtr client, int in, int out) else if (nxagentTokens.soft > BYTES_BEFORE_SOFT_TOKEN) { /* - * Alternatively, the amounts of bytes - * accounted for each sync request may - * be decreased according to the number - * of pending replies already awaited. + * Alternatively, the amounts of bytes accounted for each sync + * request may be decreased according to the number of pending + * replies already awaited. * * else if (nxagentTokens.soft > (BYTES_BEFORE_SOFT_TOKEN / (nxagentTokens.pending + 1))) */ @@ -1239,9 +1205,8 @@ void nxagentDispatchHandler(ClientPtr client, int in, int out) int resource; /* - * Wait eventually for the number of - * synchronization requests to return - * below the limit. + * Wait eventually for the number of synchronization requests to + * return below the limit. */ #ifdef TEST |