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157 lines
5.0 KiB
157 lines
5.0 KiB
/*
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Copyright (C) 2002-2010 Karl J. Runge <runge@karlrunge.com>
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All rights reserved.
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This file is part of x11vnc.
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x11vnc is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or (at
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your option) any later version.
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x11vnc is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with x11vnc; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA
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or see <http://www.gnu.org/licenses/>.
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In addition, as a special exception, Karl J. Runge
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gives permission to link the code of its release of x11vnc with the
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OpenSSL project's "OpenSSL" library (or with modified versions of it
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that use the same license as the "OpenSSL" library), and distribute
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the linked executables. You must obey the GNU General Public License
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in all respects for all of the code used other than "OpenSSL". If you
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modify this file, you may extend this exception to your version of the
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file, but you are not obligated to do so. If you do not wish to do
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so, delete this exception statement from your version.
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*/
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#ifndef _X11VNC_UTIL_H
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#define _X11VNC_UTIL_H
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/* -- util.h -- */
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extern int nfix(int i, int n);
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extern int nmin(int n, int m);
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extern int nmax(int n, int m);
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extern int nabs(int n);
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extern double dabs(double x);
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extern void lowercase(char *str);
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extern void uppercase(char *str);
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extern char *lblanks(char *str);
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extern void strzero(char *str);
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extern int scan_hexdec(char *str, unsigned long *num);
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extern int parse_geom(char *str, int *wp, int *hp, int *xp, int *yp, int W, int H);
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extern void set_env(char *name, char *value);
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extern char *bitprint(unsigned int st, int nbits);
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extern char *get_user_name(void);
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extern char *get_home_dir(void);
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extern char *get_shell(void);
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extern char *this_host(void);
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extern int match_str_list(char *str, char **list);
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extern char **create_str_list(char *cslist);
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extern double dtime(double *);
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extern double dtime0(double *);
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extern double dnow(void);
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extern double dnowx(void);
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extern double rnow(void);
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extern double rfac(void);
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extern int rfbPE(long usec);
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extern void rfbCFD(long usec);
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extern double rect_overlap(int x1, int y1, int x2, int y2, int X1, int Y1,
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int X2, int Y2);
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extern char *choose_title(char *display);
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#define NONUL(x) ((x) ? (x) : "")
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/*
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Put this in usleep2() for debug printout.
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fprintf(stderr, "_mysleep: %08d %10.6f %s:%d\n", (x), dnow() - x11vnc_start, __FILE__, __LINE__); \
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*/
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/* XXX usleep(3) is not thread safe on some older systems... */
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extern struct timeval _mysleep;
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#define usleep2(x) \
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_mysleep.tv_sec = (x) / 1000000; \
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_mysleep.tv_usec = (x) % 1000000; \
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select(0, NULL, NULL, NULL, &_mysleep);
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#if !defined(X11VNC_USLEEP)
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#undef usleep
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#define usleep usleep2
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#endif
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/*
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* following is based on IsModifierKey in Xutil.h
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*/
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#define ismodkey(keysym) \
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((((KeySym)(keysym) >= XK_Shift_L) && ((KeySym)(keysym) <= XK_Hyper_R) && \
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((KeySym)(keysym) != XK_Caps_Lock) && ((KeySym)(keysym) != XK_Shift_Lock)))
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/*
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* When threaded we have to mutex our X11 calls to avoid XIO crashes
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* due to callbacks.
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*/
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#ifdef LIBVNCSERVER_HAVE_LIBPTHREAD
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extern MUTEX(x11Mutex);
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extern MUTEX(scrollMutex);
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MUTEX(clientMutex);
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MUTEX(inputMutex);
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MUTEX(pointerMutex);
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#endif
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#define X_INIT INIT_MUTEX(x11Mutex)
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#if 1
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#define X_LOCK LOCK(x11Mutex)
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#define X_UNLOCK UNLOCK(x11Mutex)
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#else
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extern int hxl;
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#define X_LOCK fprintf(stderr, "*** X_LOCK** %d%s %s:%d\n", \
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hxl, hxl ? " BAD-PRE-LOCK":"", __FILE__, __LINE__); LOCK(x11Mutex); hxl = 1;
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#define X_UNLOCK fprintf(stderr, " x_unlock %d%s %s:%d\n", \
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hxl, !hxl ? " BAD-PRE-UNLOCK":"", __FILE__, __LINE__); UNLOCK(x11Mutex); hxl = 0;
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#endif
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#define SCR_LOCK if (use_threads) {LOCK(scrollMutex);}
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#define SCR_UNLOCK if (use_threads) {UNLOCK(scrollMutex);}
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#define SCR_INIT INIT_MUTEX(scrollMutex)
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#define CLIENT_LOCK if (use_threads) {LOCK(clientMutex);}
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#define CLIENT_UNLOCK if (use_threads) {UNLOCK(clientMutex);}
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#define CLIENT_INIT INIT_MUTEX(clientMutex)
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#if 1
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#define INPUT_LOCK if (use_threads) {LOCK(inputMutex);}
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#define INPUT_UNLOCK if (use_threads) {UNLOCK(inputMutex);}
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#else
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#define INPUT_LOCK
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#define INPUT_UNLOCK
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#endif
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#define INPUT_INIT INIT_MUTEX(inputMutex)
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#define POINTER_LOCK if (use_threads) {LOCK(pointerMutex);}
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#define POINTER_UNLOCK if (use_threads) {UNLOCK(pointerMutex);}
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#define POINTER_INIT INIT_MUTEX(pointerMutex)
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/*
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* The sendMutex member was added to libvncserver 0.9.8
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* rfb/rfb.h sets LIBVNCSERVER_SEND_MUTEX if present.
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*/
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#if LIBVNCSERVER_HAVE_LIBPTHREAD && defined(LIBVNCSERVER_SEND_MUTEX)
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#define SEND_LOCK(cl) if (use_threads) LOCK((cl)->sendMutex);
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#define SEND_UNLOCK(cl) if (use_threads) UNLOCK((cl)->sendMutex);
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#else
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#define SEND_LOCK(cl)
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#define SEND_UNLOCK(cl)
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#endif
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#endif /* _X11VNC_UTIL_H */
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