From 1e5ee575d4912665dd2356681f0827d5229fa1f5 Mon Sep 17 00:00:00 2001 From: Mike Gabriel Date: Fri, 13 Feb 2015 14:14:26 +0100 Subject: nx-X11 vs. X.Org 6.9 patches for further studying / documentation NoMachine kept all original X.Org 6.9 files in the nx-X11 source tree. These files have been removed in Feb 2015 during a major code cleanup. For later studying we provide all diffs of the changes that NoMachine employed on the original X.Org X11 code tree in the doc/nx-X11_vs_XOrg69_patches folder. --- doc/nx-X11_vs_XOrg69_patches/utils.c.NX.patch | 250 ++++++++++++++++++++++++++ 1 file changed, 250 insertions(+) create mode 100644 doc/nx-X11_vs_XOrg69_patches/utils.c.NX.patch (limited to 'doc/nx-X11_vs_XOrg69_patches/utils.c.NX.patch') diff --git a/doc/nx-X11_vs_XOrg69_patches/utils.c.NX.patch b/doc/nx-X11_vs_XOrg69_patches/utils.c.NX.patch new file mode 100644 index 000000000..5e18abfdb --- /dev/null +++ b/doc/nx-X11_vs_XOrg69_patches/utils.c.NX.patch @@ -0,0 +1,250 @@ +--- ./nx-X11/programs/Xserver/os/utils.c.X.original 2015-02-13 14:03:44.792440567 +0100 ++++ ./nx-X11/programs/Xserver/os/utils.c 2015-02-13 14:03:44.788440645 +0100 +@@ -52,6 +52,23 @@ + */ + /* $XFree86: xc/programs/Xserver/os/utils.c,v 3.96 2004/01/07 04:16:37 dawes Exp $ */ + ++/**************************************************************************/ ++/* */ ++/* Copyright (c) 2001, 2011 NoMachine, http://www.nomachine.com/. */ ++/* */ ++/* NX-X11, NX protocol compression and NX extensions to this software */ ++/* are copyright of NoMachine. Redistribution and use of the present */ ++/* software is allowed according to terms specified in the file LICENSE */ ++/* which comes in the source distribution. */ ++/* */ ++/* Check http://www.nomachine.com/licensing.html for applicability. */ ++/* */ ++/* NX and NoMachine are trademarks of Medialogic S.p.A. */ ++/* */ ++/* All rights reserved. */ ++/* */ ++/**************************************************************************/ ++ + #ifdef HAVE_DIX_CONFIG_H + #include + #endif +@@ -246,6 +263,20 @@ + + #include + ++#ifdef NX_TRANS_SOCKET ++ ++#include "NX.h" ++#include "NXvars.h" ++ ++#endif ++ ++#ifdef NX_TRANS_EXIT ++ ++void (*OsVendorStartRedirectErrorFProc)() = NULL; ++void (*OsVendorEndRedirectErrorFProc)() = NULL; ++ ++#endif ++ + Bool CoreDump; + + #ifdef PANORAMIX +@@ -543,6 +574,10 @@ + { + int olderrno = errno; + ++#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_TEST) ++ fprintf(stderr, "GiveUp: Called with signal [%d].\n", sig); ++#endif ++ + dispatchException |= DE_TERMINATE; + isItTimeToYield = TRUE; + #if defined(SYSV) && defined(X_NOT_POSIX) +@@ -1548,12 +1583,21 @@ + #define SMART_SCHEDULE_TIMER ITIMER_REAL + #endif + ++#ifdef NX_TRANS_SOCKET ++void ++SmartScheduleStopTimer (void) ++#else + static void + SmartScheduleStopTimer (void) ++#endif + { + #ifdef SMART_SCHEDULE_POSSIBLE + struct itimerval timer; +- ++ ++ #ifdef NX_TRANS_TEST ++ fprintf(stderr, "SmartScheduleStopTimer: Stopping timer.\n"); ++ #endif ++ + timer.it_interval.tv_sec = 0; + timer.it_interval.tv_usec = 0; + timer.it_value.tv_sec = 0; +@@ -1568,7 +1612,21 @@ + { + #ifdef SMART_SCHEDULE_POSSIBLE + struct itimerval timer; +- ++ ++ #ifdef NX_TRANS_SOCKET ++ ++ if (SmartScheduleDisable) ++ { ++ return FALSE; ++ } ++ ++ #endif ++ ++ #ifdef NX_TRANS_TEST ++ fprintf(stderr, "SmartScheduleStartTimer: Starting timer with [%ld] ms.\n", ++ SmartScheduleInterval); ++ #endif ++ + SmartScheduleTimerStopped = FALSE; + timer.it_interval.tv_sec = 0; + timer.it_interval.tv_usec = SmartScheduleInterval * 1000; +@@ -1586,6 +1644,12 @@ + int olderrno = errno; + + SmartScheduleTime += SmartScheduleInterval; ++ ++ #ifdef NX_TRANS_TEST ++ fprintf(stderr, "SmartScheduleTimer: Got timer with time [%ld] ms.\n", ++ SmartScheduleTime); ++ #endif ++ + if (SmartScheduleIdle) + { + SmartScheduleStopTimer (); +@@ -1603,6 +1667,10 @@ + if (SmartScheduleDisable) + return TRUE; + ++ #ifdef NX_TRANS_TEST ++ fprintf(stderr, "SmartScheduleInit: Initializing the smart scheduler.\n"); ++ #endif ++ + bzero ((char *) &act, sizeof(struct sigaction)); + + /* Set up the timer signal function */ +@@ -1714,6 +1782,11 @@ + ErrorF("System: `%s'\n", command); + #endif + ++#ifdef NX_TRANS_EXIT ++ if (OsVendorStartRedirectErrorFProc != NULL) { ++ OsVendorStartRedirectErrorFProc(); ++ } ++#endif + switch (pid = fork()) { + case -1: /* error */ + p = -1; +@@ -1730,6 +1803,11 @@ + } while (p == -1 && errno == EINTR); + + } ++#ifdef NX_TRANS_EXIT ++ if (OsVendorEndRedirectErrorFProc != NULL) { ++ OsVendorEndRedirectErrorFProc(); ++ } ++#endif + + #ifdef SIGCHLD + signal(SIGCHLD, csig); +@@ -1765,11 +1843,23 @@ + return NULL; + } + ++#ifdef NX_TRANS_EXIT ++ if (OsVendorStartRedirectErrorFProc != NULL) { ++ OsVendorStartRedirectErrorFProc(); ++ } ++ OsBlockSignals (); ++#endif + switch (pid = fork()) { + case -1: /* error */ + close(pdes[0]); + close(pdes[1]); + xfree(cur); ++#ifdef NX_TRANS_EXIT ++ if (OsVendorEndRedirectErrorFProc != NULL) { ++ OsVendorEndRedirectErrorFProc(); ++ } ++ OsReleaseSignals (); ++#endif + return NULL; + case 0: /* child */ + if (setgid(getgid()) == -1) +@@ -1791,12 +1881,61 @@ + } + close(pdes[1]); + } ++ ++ #ifdef NX_TRANS_SOCKET ++ ++ /* ++ * Check if the child process should not ++ * use the parent's libraries. ++ */ ++ ++ if (_NXUnsetLibraryPath) ++ { ++ #ifndef __sun ++ ++ unsetenv ("LD_LIBRARY_PATH"); ++ ++ #else ++ ++ extern char **environ; ++ ++ char **ep = environ; ++ ++ ep = environ; ++ ++ while (*ep) ++ { ++ if (!strncmp("LD_LIBRARY_PATH=", *ep, strlen("LD_LIBRARY_PATH="))) ++ { ++ break; ++ } ++ ++ *ep++; ++ } ++ ++ while (*ep) ++ { ++ *ep = *(ep + 1); ++ ep++; ++ } ++ ++ #endif ++ } ++ ++ #endif ++ ++ #ifdef NX_TRANS_EXIT ++ OsReleaseSignals (); ++ #endif ++ + execl("/bin/sh", "sh", "-c", command, (char *)NULL); + _exit(127); + } + ++#ifndef NX_TRANS_EXIT + /* Avoid EINTR during stdio calls */ + OsBlockSignals (); ++#endif + + /* parent */ + if (*type == 'r') { +@@ -1945,6 +2084,11 @@ + /* allow EINTR again */ + OsReleaseSignals (); + ++#ifdef NX_TRANS_EXIT ++ if (OsVendorEndRedirectErrorFProc != NULL) { ++ OsVendorEndRedirectErrorFProc(); ++ } ++#endif + return pid == -1 ? -1 : pstat; + } + -- cgit v1.2.3