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-rw-r--r--nx-X11/programs/Xserver/Xext/shm.c5
-rw-r--r--nx-X11/programs/Xserver/Xext/xf86bigfont.c6
-rw-r--r--nx-X11/programs/Xserver/dix/dispatch.c16
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/Display.c2
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/Display.h29
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/Handlers.c8
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/NXdispatch.c9
-rw-r--r--nx-X11/programs/Xserver/include/dixstruct.h17
-rw-r--r--nx-X11/programs/Xserver/os/WaitFor.c28
-rw-r--r--nx-X11/programs/Xserver/os/io.c13
-rw-r--r--nx-X11/programs/Xserver/os/osinit.c5
-rw-r--r--nx-X11/programs/Xserver/os/utils.c164
12 files changed, 151 insertions, 151 deletions
diff --git a/nx-X11/programs/Xserver/Xext/shm.c b/nx-X11/programs/Xserver/Xext/shm.c
index 263adc3df..274284151 100644
--- a/nx-X11/programs/Xserver/Xext/shm.c
+++ b/nx-X11/programs/Xserver/Xext/shm.c
@@ -150,7 +150,6 @@ static ShmFuncs fbFuncs = {fbShmCreatePixmap, fbShmPutImage};
#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__CYGWIN__)
-#include <sys/signal.h>
static Bool badSysCall = FALSE;
@@ -167,7 +166,7 @@ static Bool CheckForShmSyscall()
int shmid = -1;
/* If no SHM support in the kernel, the bad syscall will generate SIGSYS */
- oldHandler = signal(SIGSYS, SigSysHandler);
+ oldHandler = OsSignal(SIGSYS, SigSysHandler);
badSysCall = FALSE;
shmid = shmget(IPC_PRIVATE, 4096, IPC_CREAT);
@@ -182,7 +181,7 @@ static Bool CheckForShmSyscall()
/* Allocation failed */
badSysCall = TRUE;
}
- signal(SIGSYS, oldHandler);
+ OsSignal(SIGSYS, oldHandler);
return(!badSysCall);
}
diff --git a/nx-X11/programs/Xserver/Xext/xf86bigfont.c b/nx-X11/programs/Xserver/Xext/xf86bigfont.c
index 0ad411fc3..107b0f23f 100644
--- a/nx-X11/programs/Xserver/Xext/xf86bigfont.c
+++ b/nx-X11/programs/Xserver/Xext/xf86bigfont.c
@@ -106,8 +106,6 @@ static Bool badSysCall = FALSE;
#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__CYGWIN__)
-#include <sys/signal.h>
-
static void
SigSysHandler(
int signo)
@@ -122,7 +120,7 @@ CheckForShmSyscall(void)
int shmid = -1;
/* If no SHM support in the kernel, the bad syscall will generate SIGSYS */
- oldHandler = signal(SIGSYS, SigSysHandler);
+ oldHandler = OsSignal(SIGSYS, SigSysHandler);
badSysCall = FALSE;
shmid = shmget(IPC_PRIVATE, 4096, IPC_CREAT);
@@ -136,7 +134,7 @@ CheckForShmSyscall(void)
/* Allocation failed */
badSysCall = TRUE;
}
- signal(SIGSYS, oldHandler);
+ OsSignal(SIGSYS, oldHandler);
return (!badSysCall);
}
diff --git a/nx-X11/programs/Xserver/dix/dispatch.c b/nx-X11/programs/Xserver/dix/dispatch.c
index 68c207e33..3869ef723 100644
--- a/nx-X11/programs/Xserver/dix/dispatch.c
+++ b/nx-X11/programs/Xserver/dix/dispatch.c
@@ -221,7 +221,11 @@ InitSelections()
#define SMART_SCHEDULE_DEFAULT_INTERVAL 20 /* ms */
#define SMART_SCHEDULE_MAX_SLICE 200 /* ms */
-Bool SmartScheduleDisable = FALSE;
+#ifdef HAVE_SETITIMER
+#define SMART_SCHEDULE_DEFAULT_SIGNAL_ENABLE HAVE_SETITIMER
+Bool SmartScheduleSignalEnable = SMART_SCHEDULE_DEFAULT_SIGNAL_ENABLE;
+#endif
+
long SmartScheduleSlice = SMART_SCHEDULE_DEFAULT_INTERVAL;
long SmartScheduleInterval = SMART_SCHEDULE_DEFAULT_INTERVAL;
long SmartScheduleMaxSlice = SMART_SCHEDULE_MAX_SLICE;
@@ -351,7 +355,7 @@ Dispatch(void)
nready = WaitForSomething(clientReady);
- if (nready && !SmartScheduleDisable)
+ if (nready)
{
clientReady[0] = SmartScheduleClient (clientReady, nready);
nready = 1;
@@ -386,8 +390,7 @@ Dispatch(void)
ProcessInputEvents();
FlushIfCriticalOutputPending();
}
- if (!SmartScheduleDisable &&
- (SmartScheduleTime - start_tick) >= SmartScheduleSlice)
+ if ((SmartScheduleTime - start_tick) >= SmartScheduleSlice)
{
/* Penalize clients which consume ticks */
if (client->smart_priority > SMART_MIN_PRIORITY)
@@ -415,7 +418,10 @@ Dispatch(void)
result = BadLength;
else
result = (* client->requestVector[MAJOROP])(client);
-
+
+ if (!SmartScheduleSignalEnable)
+ SmartScheduleTime = GetTimeInMillis();
+
if (result != Success)
{
if (client->noClientException != Success)
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Display.c b/nx-X11/programs/Xserver/hw/nxagent/Display.c
index c683751f6..c764f50ae 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Display.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Display.c
@@ -669,7 +669,7 @@ static void nxagentDisplayBlockHandler(Display *display, int reason)
nxagentBlocking = 1;
- if (SmartScheduleDisable == 1)
+ if (!SmartScheduleSignalEnable)
{
/*
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Display.h b/nx-X11/programs/Xserver/hw/nxagent/Display.h
index 75da371d8..759b0de35 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Display.h
+++ b/nx-X11/programs/Xserver/hw/nxagent/Display.h
@@ -116,36 +116,29 @@ Bool nxagentReconnectDisplay(void *p0);
* Deal with the smart scheduler.
*/
+#if HAVE_SETITIMER
#define nxagentInitTimer() \
\
SmartScheduleInit();
#define nxagentStopTimer() \
\
- if (SmartScheduleTimerStopped == 0) \
- { \
- SmartScheduleStopTimer(); \
- } \
-\
- SmartScheduleIdle = 1;
+ SmartScheduleStopTimer(); \
#define nxagentStartTimer() \
\
- if (SmartScheduleTimerStopped == 1) \
- { \
- SmartScheduleStartTimer(); \
- } \
-\
- SmartScheduleIdle = 0;
+ SmartScheduleStartTimer();
#define nxagentDisableTimer() \
\
- if (SmartScheduleTimerStopped == 0) \
- { \
- SmartScheduleStopTimer(); \
- } \
-\
- SmartScheduleDisable = 1;
+ SmartScheduleStopTimer(); \
+ SmartScheduleSignalEnable = FALSE;
+#else
+#define nxagentInitTimer()
+#define nxagentStopTimer()
+#define nxagentStartTimer()
+#define nxagentDisableTimer()
+#endif /* HAVE_SETITIMER */
/*
* File descriptor currently used by
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Handlers.c b/nx-X11/programs/Xserver/hw/nxagent/Handlers.c
index 8e80a1524..634f7aafd 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Handlers.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Handlers.c
@@ -597,7 +597,7 @@ void nxagentWakeupHandler(void * data, int count, void * mask)
nxagentHandleConnectionStates();
}
- if (SmartScheduleDisable == 1)
+ if (!SmartScheduleSignalEnable)
{
#ifdef DEBUG
@@ -885,7 +885,7 @@ void nxagentShadowWakeupHandler(void * data, int count, void * mask)
nxagentHandleConnectionStates();
}
- if (SmartScheduleDisable == 1)
+ if (!SmartScheduleSignalEnable)
{
#ifdef DEBUG
@@ -1075,7 +1075,7 @@ void nxagentDispatchHandler(ClientPtr client, int in, int out)
#endif
}
- if (SmartScheduleDisable == 1)
+ if (!SmartScheduleSignalEnable)
{
/*
@@ -1150,7 +1150,7 @@ void nxagentDispatchHandler(ClientPtr client, int in, int out)
* the inner dispatch loop forever.
*/
- if (SmartScheduleDisable == 1)
+ if (!SmartScheduleSignalEnable)
{
if (client -> index != nxagentDispatch.client)
diff --git a/nx-X11/programs/Xserver/hw/nxagent/NXdispatch.c b/nx-X11/programs/Xserver/hw/nxagent/NXdispatch.c
index 652d54479..5792a41c5 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/NXdispatch.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/NXdispatch.c
@@ -387,7 +387,7 @@ Reply Total Cached Bits In Bits Out Bits/Reply Ratio
#endif
- if (nready && !SmartScheduleDisable)
+ if (nready)
{
clientReady[0] = SmartScheduleClient (clientReady, nready);
nready = 1;
@@ -422,8 +422,7 @@ Reply Total Cached Bits In Bits Out Bits/Reply Ratio
ProcessInputEvents();
FlushIfCriticalOutputPending();
}
- if (!SmartScheduleDisable &&
- (SmartScheduleTime - start_tick) >= SmartScheduleSlice)
+ if ((SmartScheduleTime - start_tick) >= SmartScheduleSlice)
{
/* Penalize clients which consume ticks */
if (client->smart_priority > SMART_MIN_PRIORITY)
@@ -512,6 +511,10 @@ Reply Total Cached Bits In Bits Out Bits/Reply Ratio
result = (* client->requestVector[MAJOROP])(client);
#endif
+
+ if (!SmartScheduleSignalEnable)
+ SmartScheduleTime = GetTimeInMillis();
+
if (result != Success)
{
if (client->noClientException != Success)
diff --git a/nx-X11/programs/Xserver/include/dixstruct.h b/nx-X11/programs/Xserver/include/dixstruct.h
index 3c97e5bb7..1096f5c40 100644
--- a/nx-X11/programs/Xserver/include/dixstruct.h
+++ b/nx-X11/programs/Xserver/include/dixstruct.h
@@ -150,18 +150,19 @@ extern long SmartScheduleTime;
extern long SmartScheduleInterval;
extern long SmartScheduleSlice;
extern long SmartScheduleMaxSlice;
-extern unsigned long SmartScheduleIdleCount;
-extern Bool SmartScheduleDisable;
-extern Bool SmartScheduleIdle;
-extern Bool SmartScheduleTimerStopped;
-extern Bool SmartScheduleStartTimer(void);
-#ifdef NXAGENT_SERVER
-extern Bool SmartScheduleStopTimer(void);
+#ifdef HAVE_SETITIMER
+#if HAVE_SETITIMER
+extern Bool SmartScheduleSignalEnable;
+#else
+#define SmartScheduleSignalEnable FALSE
+#endif
#endif
+extern void SmartScheduleStartTimer(void);
+extern void SmartScheduleStopTimer(void);
#define SMART_MAX_PRIORITY (20)
#define SMART_MIN_PRIORITY (-20)
-extern Bool SmartScheduleInit(void);
+extern void SmartScheduleInit(void);
/* This prototype is used pervasively in Xext, dix */
#define DISPATCH_PROC(func) int func(ClientPtr /* client */)
diff --git a/nx-X11/programs/Xserver/os/WaitFor.c b/nx-X11/programs/Xserver/os/WaitFor.c
index 02c460f0c..4d7fe3f84 100644
--- a/nx-X11/programs/Xserver/os/WaitFor.c
+++ b/nx-X11/programs/Xserver/os/WaitFor.c
@@ -213,18 +213,10 @@ WaitForSomething(int *pClientsReady)
ProcessWorkQueue();
if (XFD_ANYSET (&ClientsWithInput))
{
- if (!SmartScheduleDisable)
- {
- someReady = TRUE;
- waittime.tv_sec = 0;
- waittime.tv_usec = 0;
- wt = &waittime;
- }
- else
- {
- XFD_COPYSET (&ClientsWithInput, &clientsReadable);
- break;
- }
+ someReady = TRUE;
+ waittime.tv_sec = 0;
+ waittime.tv_usec = 0;
+ wt = &waittime;
}
if (someReady)
{
@@ -247,7 +239,8 @@ WaitForSomething(int *pClientsReady)
}
XFD_COPYSET(&AllSockets, &LastSelectMask);
}
- SmartScheduleIdle = TRUE;
+ SmartScheduleStopTimer ();
+
BlockHandler((void *)&wt, (void *)&LastSelectMask);
if (NewOutputPending)
FlushAllOutput();
@@ -387,13 +380,8 @@ WaitForSomething(int *pClientsReady)
i = XTestProcessInputAction (i, &waittime);
}
#endif /* XTESTEXT1 */
- if (i >= 0)
- {
- SmartScheduleIdle = FALSE;
- SmartScheduleIdleCount = 0;
- if (SmartScheduleTimerStopped)
- (void) SmartScheduleStartTimer ();
- }
+ SmartScheduleStartTimer ();
+
if (i <= 0) /* An error or timeout occurred */
{
#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_DEBUG)
diff --git a/nx-X11/programs/Xserver/os/io.c b/nx-X11/programs/Xserver/os/io.c
index 075eb677c..07399438e 100644
--- a/nx-X11/programs/Xserver/os/io.c
+++ b/nx-X11/programs/Xserver/os/io.c
@@ -465,24 +465,15 @@ ReadRequestFromClient(ClientPtr client)
FD_SET(fd, &ClientsWithInput);
else
{
- if (!SmartScheduleDisable)
- FD_CLR(fd, &ClientsWithInput);
- else
- YieldControlNoInput();
+ FD_CLR(fd, &ClientsWithInput);
}
}
else
{
if (!gotnow)
AvailableInput = oc;
- if (!SmartScheduleDisable)
- FD_CLR(fd, &ClientsWithInput);
- else
- YieldControlNoInput();
+ FD_CLR(fd, &ClientsWithInput);
}
- if (SmartScheduleDisable)
- if (++timesThisConnection >= MAX_TIMES_PER)
- YieldControl();
#ifdef BIGREQS
if (move_header)
{
diff --git a/nx-X11/programs/Xserver/os/osinit.c b/nx-X11/programs/Xserver/os/osinit.c
index 08fbb8c89..a660337ca 100644
--- a/nx-X11/programs/Xserver/os/osinit.c
+++ b/nx-X11/programs/Xserver/os/osinit.c
@@ -217,9 +217,8 @@ OsInit(void)
* log file name if logging to a file is desired.
*/
LogInit(NULL, NULL);
- if (!SmartScheduleDisable)
- if (!SmartScheduleInit ())
- SmartScheduleDisable = TRUE;
+ SmartScheduleInit();
+
OsInitAllocator();
}
diff --git a/nx-X11/programs/Xserver/os/utils.c b/nx-X11/programs/Xserver/os/utils.c
index af793454f..25cbb1e87 100644
--- a/nx-X11/programs/Xserver/os/utils.c
+++ b/nx-X11/programs/Xserver/os/utils.c
@@ -290,7 +290,8 @@ OsSignal(sig, handler)
sigaddset(&act.sa_mask, sig);
act.sa_flags = 0;
act.sa_handler = handler;
- sigaction(sig, &act, &oact);
+ if (sigaction(sig, &act, &oact))
+ perror("sigaction");
return oact.sa_handler;
#endif
}
@@ -1026,10 +1027,12 @@ ProcessCommandLine(int argc, char *argv[])
i = skip - 1;
}
#endif
+#if HAVE_SETITIMER
else if ( strcmp( argv[i], "-dumbSched") == 0)
{
- SmartScheduleDisable = TRUE;
+ SmartScheduleSignalEnable = FALSE;
}
+#endif
else if ( strcmp( argv[i], "-schedInterval") == 0)
{
if (++i < argc)
@@ -1353,30 +1356,15 @@ XNFstrdup(const char *s)
return ret;
}
-unsigned long SmartScheduleIdleCount;
-Bool SmartScheduleIdle;
-Bool SmartScheduleTimerStopped;
-
-#ifdef SIGVTALRM
-#define SMART_SCHEDULE_POSSIBLE
-#endif
-
-#ifdef SMART_SCHEDULE_POSSIBLE
-#define SMART_SCHEDULE_SIGNAL SIGALRM
-#define SMART_SCHEDULE_TIMER ITIMER_REAL
-#endif
-
-#ifdef NX_TRANS_SOCKET
void
SmartScheduleStopTimer (void)
-#else
-static void
-SmartScheduleStopTimer (void)
-#endif
{
-#ifdef SMART_SCHEDULE_POSSIBLE
+#if HAVE_SETITIMER
struct itimerval timer;
+ if (!SmartScheduleSignalEnable)
+ return;
+
#ifdef NX_TRANS_TEST
fprintf(stderr, "SmartScheduleStopTimer: Stopping timer.\n");
#endif
@@ -1386,96 +1374,101 @@ SmartScheduleStopTimer (void)
timer.it_value.tv_sec = 0;
timer.it_value.tv_usec = 0;
(void) setitimer (ITIMER_REAL, &timer, 0);
- SmartScheduleTimerStopped = TRUE;
#endif
}
-Bool
+void
SmartScheduleStartTimer (void)
{
-#ifdef SMART_SCHEDULE_POSSIBLE
+#if HAVE_SETITIMER
struct itimerval timer;
- #ifdef NX_TRANS_SOCKET
-
- if (SmartScheduleDisable)
- {
- return FALSE;
- }
-
- #endif
+ if (!SmartScheduleSignalEnable)
+ return;
#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;
timer.it_value.tv_sec = 0;
timer.it_value.tv_usec = SmartScheduleInterval * 1000;
- return setitimer (ITIMER_REAL, &timer, 0) >= 0;
+ setitimer (ITIMER_REAL, &timer, 0);
#endif
- return FALSE;
}
-#ifdef SMART_SCHEDULE_POSSIBLE
+#if HAVE_SETITIMER
static void
SmartScheduleTimer (int sig)
{
- int olderrno = errno;
-
SmartScheduleTime += SmartScheduleInterval;
#ifdef NX_TRANS_TEST
fprintf(stderr, "SmartScheduleTimer: Got timer with time [%ld] ms.\n",
SmartScheduleTime);
#endif
-
- if (SmartScheduleIdle)
- {
- SmartScheduleStopTimer ();
- }
- errno = olderrno;
}
-#endif
-Bool
-SmartScheduleInit (void)
+int
+SmartScheduleEnable (void)
{
-#ifdef SMART_SCHEDULE_POSSIBLE
+ int ret = 0;
struct sigaction act;
- if (SmartScheduleDisable)
- return TRUE;
-
+ if (!SmartScheduleSignalEnable)
+ return 0;
+
#ifdef NX_TRANS_TEST
- fprintf(stderr, "SmartScheduleInit: Initializing the smart scheduler.\n");
+ fprintf(stderr, "SmartScheduleEnable: Enabling the smart scheduler.\n");
#endif
- bzero ((char *) &act, sizeof(struct sigaction));
+ memset((char *) &act, 0, sizeof(struct sigaction));
/* Set up the timer signal function */
+ act.sa_flags = SA_RESTART;
act.sa_handler = SmartScheduleTimer;
sigemptyset (&act.sa_mask);
- sigaddset (&act.sa_mask, SMART_SCHEDULE_SIGNAL);
- if (sigaction (SMART_SCHEDULE_SIGNAL, &act, 0) < 0)
- {
- perror ("sigaction for smart scheduler");
- return FALSE;
- }
- /* Set up the virtual timer */
- if (!SmartScheduleStartTimer ())
- {
- perror ("scheduling timer");
- return FALSE;
+ sigaddset (&act.sa_mask, SIGALRM);
+ ret = sigaction(SIGALRM, &act, 0);
+ return ret;
+}
+
+static int
+SmartSchedulePause(void)
+{
+ int ret = 0;
+ struct sigaction act;
+
+ if (!SmartScheduleSignalEnable)
+ return 0;
+
+ #ifdef NX_TRANS_TEST
+ fprintf(stderr, "SmartSchedulePause: Pausing the smart scheduler.\n");
+ #endif
+
+ memset((char *) &act, 0, sizeof(struct sigaction));
+
+ act.sa_handler = SIG_IGN;
+ sigemptyset(&act.sa_mask);
+ ret = sigaction(SIGALRM, &act, 0);
+ return ret;
+}
+#endif
+
+void
+SmartScheduleInit(void)
+{
+#if HAVE_SETITIMER
+ #ifdef NX_TRANS_TEST
+ fprintf(stderr, "SmartScheduleInit: Initializing the smart scheduler.\n");
+ #endif
+
+ if (SmartScheduleEnable() < 0) {
+ perror("sigaction for smart scheduler");
+ SmartScheduleSignalEnable = FALSE;
}
- /* stop the timer and wait for WaitForSomething to start it */
- SmartScheduleStopTimer ();
- return TRUE;
-#else
- return FALSE;
#endif
}
@@ -1558,7 +1551,11 @@ System(char *command)
return(1);
#ifdef SIGCHLD
- csig = signal(SIGCHLD, SIG_DFL);
+ csig = OsSignal(SIGCHLD, SIG_DFL);
+ if (csig == SIG_ERR) {
+ perror("signal");
+ return -1;
+ }
#endif
#ifdef DEBUG
@@ -1596,7 +1593,10 @@ System(char *command)
#endif
#ifdef SIGCHLD
- signal(SIGCHLD, csig);
+ if (OsSignal(SIGCHLD, csig) == SIG_ERR) {
+ perror("signal");
+ return -1;
+ }
#endif
return p == -1 ? -1 : status;
@@ -1629,6 +1629,17 @@ Popen(char *command, char *type)
return NULL;
}
+ /* Ignore the smart scheduler while this is going on */
+#if HAVE_SETITIMER
+ if (SmartSchedulePause() < 0) {
+ close(pdes[0]);
+ close(pdes[1]);
+ free(cur);
+ perror("signal");
+ return NULL;
+ }
+#endif
+
#ifdef NX_TRANS_EXIT
if (OsVendorStartRedirectErrorFProc != NULL) {
OsVendorStartRedirectErrorFProc();
@@ -1640,6 +1651,10 @@ Popen(char *command, char *type)
close(pdes[0]);
close(pdes[1]);
free(cur);
+#if HAVE_SETITIMER
+ if (SmartScheduleEnable() < 0)
+ perror("signal");
+#endif
#ifdef NX_TRANS_EXIT
if (OsVendorEndRedirectErrorFProc != NULL) {
OsVendorEndRedirectErrorFProc();
@@ -1714,6 +1729,13 @@ Popen(char *command, char *type)
OsReleaseSignals ();
#endif
+#if HAVE_SETITIMER
+ if (SmartScheduleEnable() < 0) {
+ perror("signal");
+ return NULL;
+ }
+#endif
+
execl("/bin/sh", "sh", "-c", command, (char *)NULL);
_exit(127);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-15 03:53:00 +0000