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Diffstat (limited to 'xorg-server/os/utils.c')
-rw-r--r--xorg-server/os/utils.c154
1 files changed, 104 insertions, 50 deletions
diff --git a/xorg-server/os/utils.c b/xorg-server/os/utils.c
index 30d14460a..a9433876b 100644
--- a/xorg-server/os/utils.c
+++ b/xorg-server/os/utils.c
@@ -201,6 +201,11 @@ Bool PanoramiXExtensionDisabledHack = FALSE;
int auditTrailLevel = 1;
+#ifdef _MSC_VER
+static HANDLE s_hSmartScheduleTimer = NULL;
+static HANDLE s_hSmartScheduleTimerQueue = NULL;
+#endif
+
#if defined(SVR4) || defined(__linux__) || defined(CSRG_BASED)
#define HAS_SAVED_IDS_AND_SETEUID
#endif
@@ -208,6 +213,9 @@ int auditTrailLevel = 1;
OsSigHandlerPtr
OsSignal(int sig, OsSigHandlerPtr handler)
{
+#ifdef X_NOT_POSIX
+ return signal(sig, handler);
+#else
struct sigaction act, oact;
sigemptyset(&act.sa_mask);
@@ -218,6 +226,7 @@ OsSignal(int sig, OsSigHandlerPtr handler)
if (sigaction(sig, &act, &oact))
perror("sigaction");
return oact.sa_handler;
+#endif
}
/*
@@ -232,7 +241,7 @@ OsSignal(int sig, OsSigHandlerPtr handler)
#define LOCK_SUFFIX "-lock"
static Bool StillLocking = FALSE;
-static char LockFile[PATH_MAX];
+static char szLockFile[PATH_MAX];
static Bool nolock = FALSE;
/*
@@ -244,26 +253,34 @@ static Bool nolock = FALSE;
void
LockServer(void)
{
+#if defined(WIN32) && !defined(__CYGWIN__)
+ char MutexName[100];
+ sprintf(MutexName, "Global\\VcXsrv_Mutex_%d\n", getpid());
+ if (!CreateMutex(NULL,TRUE,MutexName) || GetLastError()== ERROR_ALREADY_EXISTS)
+ {
+ FatalError("Server is already active for display %d\n", atoi(display));
+ }
+#else
+ char port[20];
char tmp[PATH_MAX], pid_str[12];
int lfd, i, haslock, l_pid, t;
char *tmppath = NULL;
int len;
- char port[20];
if (nolock) return;
/*
* Path names
*/
tmppath = LOCK_DIR;
-
sprintf(port, "%d", atoi(display));
+
len = strlen(LOCK_PREFIX) > strlen(LOCK_TMP_PREFIX) ? strlen(LOCK_PREFIX) :
strlen(LOCK_TMP_PREFIX);
len += strlen(tmppath) + strlen(port) + strlen(LOCK_SUFFIX) + 1;
- if (len > sizeof(LockFile))
+ if (len > sizeof(szLockFile))
FatalError("Display name `%s' is too long\n", port);
(void)sprintf(tmp, "%s" LOCK_TMP_PREFIX "%s" LOCK_SUFFIX, tmppath, port);
- (void)sprintf(LockFile, "%s" LOCK_PREFIX "%s" LOCK_SUFFIX, tmppath, port);
+ (void)sprintf(szLockFile, "%s" LOCK_PREFIX "%s" LOCK_SUFFIX, tmppath, port);
/*
* Create a temporary file containing our PID. Attempt three times
@@ -305,7 +322,7 @@ LockServer(void)
i = 0;
haslock = 0;
while ((!haslock) && (i++ < 3)) {
- haslock = (link(tmp,LockFile) == 0);
+ haslock = (link(tmp,szLockFile) == 0);
if (haslock) {
/*
* We're done.
@@ -316,17 +333,17 @@ LockServer(void)
/*
* Read the pid from the existing file
*/
- lfd = open(LockFile, O_RDONLY);
+ lfd = open(szLockFile, O_RDONLY);
if (lfd < 0) {
unlink(tmp);
- FatalError("Can't read lock file %s\n", LockFile);
+ FatalError("Can't read lock file %s\n", szLockFile);
}
pid_str[0] = '\0';
if (read(lfd, pid_str, 11) != 11) {
/*
* Bogus lock file.
*/
- unlink(LockFile);
+ unlink(szLockFile);
close(lfd);
continue;
}
@@ -343,7 +360,7 @@ LockServer(void)
/*
* Stale lock file.
*/
- unlink(LockFile);
+ unlink(szLockFile);
continue;
}
else if (((t < 0) && (errno == EPERM)) || (t == 0)) {
@@ -353,14 +370,15 @@ LockServer(void)
unlink(tmp);
FatalError("Server is already active for display %s\n%s %s\n%s\n",
port, "\tIf this server is no longer running, remove",
- LockFile, "\tand start again.");
+ szLockFile, "\tand start again.");
}
}
}
unlink(tmp);
if (!haslock)
- FatalError("Could not create server lock file: %s\n", LockFile);
+ FatalError("Could not create server lock file: %s\n", szLockFile);
StillLocking = FALSE;
+#endif
}
/*
@@ -374,7 +392,7 @@ UnlockServer(void)
if (!StillLocking){
- (void) unlink(LockFile);
+ (void) unlink(szLockFile);
}
}
@@ -465,7 +483,10 @@ AdjustWaitForDelay (pointer waitTime, unsigned long newdelay)
void UseMsg(void)
{
- ErrorF("use: X [:<display>] [option]\n");
+ ErrorF("Usage...\nVcxsrv [:<display>] [option]\n\n");
+ ErrorF(":display-number\n\tVcxsrv runs as the given display-number, which defaults to 0.\n");
+ ErrorF("\tTo run multiple instances, use unique display-numbers.\n\n");
+
ErrorF("-a # default pointer acceleration (factor)\n");
ErrorF("-ac disable access control restrictions\n");
ErrorF("-audit int set audit trail level\n");
@@ -473,12 +494,14 @@ void UseMsg(void)
ErrorF("-br create root window with black background\n");
ErrorF("+bs enable any backing store support\n");
ErrorF("-bs disable any backing store support\n");
- ErrorF("-c turns off key-click\n");
- ErrorF("c # key-click volume (0-100)\n");
ErrorF("-cc int default color visual class\n");
ErrorF("-nocursor disable the cursor\n");
ErrorF("-core generate core dump on fatal error\n");
+#ifdef _MSC_VER
+ ErrorF("-dpi [auto|int] screen resolution set to native or this dpi\n");
+#else
ErrorF("-dpi int screen resolution in dots per inch\n");
+#endif
#ifdef DPMSExtension
ErrorF("-dpms disables VESA DPMS monitor control\n");
#endif
@@ -503,31 +526,24 @@ void UseMsg(void)
ErrorF("-noreset don't reset after last client exists\n");
ErrorF("-background [none] create root window with no background\n");
ErrorF("-reset reset after last client exists\n");
- ErrorF("-p # screen-saver pattern duration (minutes)\n");
ErrorF("-pn accept failure to listen on all ports\n");
ErrorF("-nopn reject failure to listen on all ports\n");
ErrorF("-r turns off auto-repeat\n");
ErrorF("r turns on auto-repeat \n");
ErrorF("-render [default|mono|gray|color] set render color alloc policy\n");
- ErrorF("-retro start with classic stipple and cursor\n");
- ErrorF("-s # screen-saver timeout (minutes)\n");
+ ErrorF("-retro start with classic stipple\n");
ErrorF("-t # default pointer threshold (pixels/t)\n");
ErrorF("-terminate terminate at server reset\n");
ErrorF("-to # connection time out\n");
ErrorF("-tst disable testing extensions\n");
- ErrorF("ttyxx server started from init on /dev/ttyxx\n");
- ErrorF("v video blanking for screen-saver\n");
- ErrorF("-v screen-saver without video blanking\n");
ErrorF("-wm WhenMapped default backing-store\n");
ErrorF("-wr create root window with white background\n");
- ErrorF("-maxbigreqsize set maximal bigrequest size \n");
#ifdef PANORAMIX
ErrorF("+xinerama Enable XINERAMA extension\n");
ErrorF("-xinerama Disable XINERAMA extension\n");
#endif
ErrorF("-dumbSched Disable smart scheduling, enable old behavior\n");
ErrorF("-schedInterval int Set scheduler interval in msec\n");
- ErrorF("-sigstop Enable SIGSTOP based startup\n");
ErrorF("+extension name Enable extension\n");
ErrorF("-extension name Disable extension\n");
#ifdef XDMCP
@@ -621,17 +637,6 @@ ProcessCommandLine(int argc, char *argv[])
enableBackingStore = TRUE;
else if ( strcmp( argv[i], "-bs") == 0)
disableBackingStore = TRUE;
- else if ( strcmp( argv[i], "c") == 0)
- {
- if(++i < argc)
- defaultKeyboardControl.click = atoi(argv[i]);
- else
- UseMsg();
- }
- else if ( strcmp( argv[i], "-c") == 0)
- {
- defaultKeyboardControl.click = 0;
- }
else if ( strcmp( argv[i], "-cc") == 0)
{
if(++i < argc)
@@ -656,7 +661,24 @@ ProcessCommandLine(int argc, char *argv[])
else if ( strcmp( argv[i], "-dpi") == 0)
{
if(++i < argc)
+#ifdef _MSC_VER
+ {
+ if (strcmp(argv[i], "auto") == 0)
+ {
+ HDC hdc = GetDC(NULL);
+ if (hdc)
+ {
+ int dpiY = GetDeviceCaps(hdc, LOGPIXELSY);
+ monitorResolution = dpiY;
+ ReleaseDC(NULL, hdc);
+ }
+ }
+ else if (isdigit(*argv[i])) /* Naively prevent a crash if not numeric */
+ monitorResolution = atoi(argv[i]);
+ }
+#else
monitorResolution = atoi(argv[i]);
+#endif
else
UseMsg();
}
@@ -824,10 +846,6 @@ ProcessCommandLine(int argc, char *argv[])
{
noTestExtensions = TRUE;
}
- else if ( strcmp( argv[i], "v") == 0)
- defaultScreenSaverBlanking = PreferBlanking;
- else if ( strcmp( argv[i], "-v") == 0)
- defaultScreenSaverBlanking = DontPreferBlanking;
else if ( strcmp( argv[i], "-wm") == 0)
defaultBackingStore = WhenMapped;
else if ( strcmp( argv[i], "-wr") == 0)
@@ -921,10 +939,6 @@ ProcessCommandLine(int argc, char *argv[])
else
UseMsg ();
}
- else if ( strcmp( argv[i], "-sigstop") == 0)
- {
- RunFromSigStopParent = TRUE;
- }
else if ( strcmp( argv[i], "+extension") == 0)
{
if (++i < argc)
@@ -1122,6 +1136,12 @@ XNFstrdup(const char *s)
void
SmartScheduleStopTimer (void)
{
+#ifdef _MSC_VER
+ if (SmartScheduleDisable)
+ return;
+ DeleteTimerQueueTimer(s_hSmartScheduleTimerQueue, s_hSmartScheduleTimer, NULL);
+ s_hSmartScheduleTimer=NULL;
+#else
struct itimerval timer;
if (SmartScheduleDisable)
@@ -1131,11 +1151,36 @@ SmartScheduleStopTimer (void)
timer.it_value.tv_sec = 0;
timer.it_value.tv_usec = 0;
(void) setitimer (ITIMER_REAL, &timer, 0);
+#endif
+}
+
+#ifdef _MSC_VER
+static VOID CALLBACK SmartScheduleTimer( PVOID lpParameter, BOOLEAN TimerOrWaitFired)
+#else
+static void SmartScheduleTimer (int sig)
+#endif
+{
+ SmartScheduleTime += SmartScheduleInterval;
}
+
void
SmartScheduleStartTimer (void)
{
+#ifdef _MSC_VER
+ if (SmartScheduleDisable)
+ return;
+
+ if (!CreateTimerQueueTimer( &s_hSmartScheduleTimer, s_hSmartScheduleTimerQueue, SmartScheduleTimer, NULL
+ , SmartScheduleInterval, SmartScheduleInterval, WT_EXECUTEONLYONCE|WT_EXECUTEINPERSISTENTTHREAD))
+ {
+ DWORD Error=GetLastError();
+ ErrorF("Error starting timer, smart scheduling disabled: 0x%x (%d)\n",Error,Error);
+ CloseHandle(s_hSmartScheduleTimer);
+ SmartScheduleDisable = TRUE;
+ return;
+ }
+#else
struct itimerval timer;
if (SmartScheduleDisable)
@@ -1145,17 +1190,23 @@ SmartScheduleStartTimer (void)
timer.it_value.tv_sec = 0;
timer.it_value.tv_usec = SmartScheduleInterval * 1000;
setitimer (ITIMER_REAL, &timer, 0);
-}
-
-static void
-SmartScheduleTimer (int sig)
-{
- SmartScheduleTime += SmartScheduleInterval;
+#endif
}
void
SmartScheduleInit (void)
{
+#ifdef _MSC_VER
+ if (SmartScheduleDisable)
+ return;
+ s_hSmartScheduleTimerQueue = CreateTimerQueue();
+ if (!s_hSmartScheduleTimerQueue)
+ {
+ DWORD Error=GetLastError();
+ ErrorF("Error creating timer, smart scheduling disabled: 0x%x (%d)\n",Error,Error);
+ SmartScheduleDisable = TRUE;
+ }
+#else
struct sigaction act;
if (SmartScheduleDisable)
@@ -1172,6 +1223,7 @@ SmartScheduleInit (void)
perror ("sigaction for smart scheduler");
SmartScheduleDisable = TRUE;
}
+#endif
}
#ifdef SIG_BLOCK
@@ -1533,6 +1585,7 @@ Fclose(pointer iop)
*/
/* Consider LD* variables insecure? */
+#ifndef _MSC_VER
#ifndef REMOVE_ENV_LD
#define REMOVE_ENV_LD 1
#endif
@@ -1541,6 +1594,7 @@ Fclose(pointer iop)
#ifndef REMOVE_LONG_ENV
#define REMOVE_LONG_ENV 1
#endif
+#endif
/*
* Disallow stdout or stderr as pipes? It's possible to block the X server
@@ -1571,7 +1625,7 @@ Fclose(pointer iop)
#endif
#define MAX_ARG_LENGTH 128
-#define MAX_ENV_LENGTH 256
+#define MAX_ENV_LENGTH 2048
#define MAX_ENV_PATH_LENGTH 2048 /* Limit for *PATH and TERMCAP */
#if USE_ISPRINT
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 16:17:15 +0000