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-rw-r--r--xorg-server/os/log.c1227
1 files changed, 617 insertions, 610 deletions
diff --git a/xorg-server/os/log.c b/xorg-server/os/log.c
index 774f0b3cd..ee4b45fa4 100644
--- a/xorg-server/os/log.c
+++ b/xorg-server/os/log.c
@@ -1,610 +1,617 @@
-/*
-
-Copyright 1987, 1998 The Open Group
-
-Permission to use, copy, modify, distribute, and sell this software and its
-documentation for any purpose is hereby granted without fee, provided that
-the above copyright notice appear in all copies and that both that
-copyright notice and this permission notice appear in supporting
-documentation.
-
-The above copyright notice and this permission notice shall be included
-in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
-OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
-ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
-OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of The Open Group shall
-not be used in advertising or otherwise to promote the sale, use or
-other dealings in this Software without prior written authorization
-from The Open Group.
-
-
-Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts,
-Copyright 1994 Quarterdeck Office Systems.
-
- All Rights Reserved
-
-Permission to use, copy, modify, and distribute this software and its
-documentation for any purpose and without fee is hereby granted,
-provided that the above copyright notice appear in all copies and that
-both that copyright notice and this permission notice appear in
-supporting documentation, and that the names of Digital and
-Quarterdeck not be used in advertising or publicity pertaining to
-distribution of the software without specific, written prior
-permission.
-
-DIGITAL AND QUARTERDECK DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
-SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
-FITNESS, IN NO EVENT SHALL DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT
-OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
-OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
-OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE
-OR PERFORMANCE OF THIS SOFTWARE.
-
-*/
-
-/*
- * Copyright (c) 1997-2003 by The XFree86 Project, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Except as contained in this notice, the name of the copyright holder(s)
- * and author(s) shall not be used in advertising or otherwise to promote
- * the sale, use or other dealings in this Software without prior written
- * authorization from the copyright holder(s) and author(s).
- */
-
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <X11/Xos.h>
-#include <stdio.h>
-#include <time.h>
-#include <sys/stat.h>
-#include <stdarg.h>
-#include <stdlib.h> /* for malloc() */
-#include <errno.h>
-
-#include "input.h"
-#include "site.h"
-#include "opaque.h"
-
-#ifdef WIN32
-#include <process.h>
-#define getpid(x) _getpid(x)
-#endif
-
-#ifdef XF86BIGFONT
-#include "xf86bigfontsrv.h"
-#endif
-
-#ifdef DDXOSVERRORF
-void (*OsVendorVErrorFProc)(const char *, va_list args) = NULL;
-#endif
-
-static FILE *logFile = NULL;
-static Bool logFlush = FALSE;
-static Bool logSync = FALSE;
-static int logVerbosity = DEFAULT_LOG_VERBOSITY;
-static int logFileVerbosity = DEFAULT_LOG_FILE_VERBOSITY;
-
-/* Buffer to information logged before the log file is opened. */
-static char *saveBuffer = NULL;
-static int bufferSize = 0, bufferUnused = 0, bufferPos = 0;
-static Bool needBuffer = TRUE;
-
-#ifdef __APPLE__
-static char __crashreporter_info_buff__[4096] = {0};
-static const char *__crashreporter_info__ = &__crashreporter_info_buff__[0];
-asm (".desc ___crashreporter_info__, 0x10");
-#endif
-
-/* Prefix strings for log messages. */
-#ifndef X_UNKNOWN_STRING
-#define X_UNKNOWN_STRING "(\?\?)"
-#endif
-#ifndef X_PROBE_STRING
-#define X_PROBE_STRING "(--)"
-#endif
-#ifndef X_CONFIG_STRING
-#define X_CONFIG_STRING "(**)"
-#endif
-#ifndef X_DEFAULT_STRING
-#define X_DEFAULT_STRING "(==)"
-#endif
-#ifndef X_CMDLINE_STRING
-#define X_CMDLINE_STRING "(++)"
-#endif
-#ifndef X_NOTICE_STRING
-#define X_NOTICE_STRING "(!!)"
-#endif
-#ifndef X_ERROR_STRING
-#define X_ERROR_STRING "(EE)"
-#endif
-#ifndef X_WARNING_STRING
-#define X_WARNING_STRING "(WW)"
-#endif
-#ifndef X_INFO_STRING
-#define X_INFO_STRING "(II)"
-#endif
-#ifndef X_NOT_IMPLEMENTED_STRING
-#define X_NOT_IMPLEMENTED_STRING "(NI)"
-#endif
-
-/*
- * LogInit is called to start logging to a file. It is also called (with
- * NULL arguments) when logging to a file is not wanted. It must always be
- * called, otherwise log messages will continue to accumulate in a buffer.
- *
- * %s, if present in the fname or backup strings, is expanded to the display
- * string.
- */
-
-const char *
-LogInit(const char *fname, const char *backup)
-{
- char *logFileName = NULL;
-
- if (fname && *fname) {
- /* malloc() can't be used yet. */
- logFileName = malloc(strlen(fname) + strlen(display) + 1);
- if (!logFileName)
- FatalError("Cannot allocate space for the log file name\n");
- sprintf(logFileName, fname, display);
-
- if (backup && *backup) {
- struct stat buf;
-
- if (!stat(logFileName, &buf) && S_ISREG(buf.st_mode)) {
- char *suffix;
- char *oldLog;
-
- oldLog = malloc(strlen(logFileName) + strlen(backup) +
- strlen(display) + 1);
- suffix = malloc(strlen(backup) + strlen(display) + 1);
- if (!oldLog || !suffix)
- FatalError("Cannot allocate space for the log file name\n");
- sprintf(suffix, backup, display);
- sprintf(oldLog, "%s%s", logFileName, suffix);
- free(suffix);
- if (rename(logFileName, oldLog) == -1) {
- FatalError("Cannot move old log file \"%s\" to \"%s\"\n",
- logFileName, oldLog);
- }
- free(oldLog);
- }
- }
- if ((logFile = fopen(logFileName, "w")) == NULL)
- FatalError("Cannot open log file \"%s\"\n", logFileName);
- setvbuf(logFile, NULL, _IONBF, 0);
-
- /* Flush saved log information. */
- if (saveBuffer && bufferSize > 0) {
- fwrite(saveBuffer, bufferPos, 1, logFile);
- fflush(logFile);
-#ifndef WIN32
- fsync(fileno(logFile));
-#endif
- }
- }
-
- /*
- * Unconditionally free the buffer, and flag that the buffer is no longer
- * needed.
- */
- if (saveBuffer && bufferSize > 0) {
- free(saveBuffer); /* Must be free(), not free() */
- saveBuffer = NULL;
- bufferSize = 0;
- }
- needBuffer = FALSE;
-
- return logFileName;
-}
-
-void
-LogClose(void)
-{
- if (logFile) {
- fclose(logFile);
- logFile = NULL;
- }
-}
-
-Bool
-LogSetParameter(LogParameter param, int value)
-{
- switch (param) {
- case XLOG_FLUSH:
- logFlush = value ? TRUE : FALSE;
- return TRUE;
- case XLOG_SYNC:
- logSync = value ? TRUE : FALSE;
- return TRUE;
- case XLOG_VERBOSITY:
- logVerbosity = value;
- return TRUE;
- case XLOG_FILE_VERBOSITY:
- logFileVerbosity = value;
- return TRUE;
- default:
- return FALSE;
- }
-}
-
-/* This function does the actual log message writes. */
-
-void
-LogVWrite(int verb, const char *f, va_list args)
-{
- static char tmpBuffer[1024];
- int len = 0;
- static Bool newline = TRUE;
-
- if (newline) {
- sprintf(tmpBuffer, "[%10.3f] ", GetTimeInMillis() / 1000.0);
- len = strlen(tmpBuffer);
- if (logFile)
- fwrite(tmpBuffer, len, 1, logFile);
- }
-
- /*
- * Since a va_list can only be processed once, write the string to a
- * buffer, and then write the buffer out to the appropriate output
- * stream(s).
- */
- if (verb < 0 || logFileVerbosity >= verb || logVerbosity >= verb) {
- vsnprintf(tmpBuffer, sizeof(tmpBuffer), f, args);
- len = strlen(tmpBuffer);
- }
- newline = (tmpBuffer[len-1] == '\n');
- if ((verb < 0 || logVerbosity >= verb) && len > 0)
- fwrite(tmpBuffer, len, 1, stderr);
- if ((verb < 0 || logFileVerbosity >= verb) && len > 0) {
- if (logFile) {
- fwrite(tmpBuffer, len, 1, logFile);
- if (logFlush) {
- fflush(logFile);
-#ifndef WIN32
- if (logSync)
- fsync(fileno(logFile));
-#endif
- }
- } else if (needBuffer) {
- /*
- * Note, this code is used before OsInit() has been called, so
- * malloc() and friends can't be used.
- */
- if (len > bufferUnused) {
- bufferSize += 1024;
- bufferUnused += 1024;
- if (saveBuffer)
- saveBuffer = realloc(saveBuffer, bufferSize);
- else
- saveBuffer = malloc(bufferSize);
- if (!saveBuffer)
- FatalError("realloc() failed while saving log messages\n");
- }
- bufferUnused -= len;
- memcpy(saveBuffer + bufferPos, tmpBuffer, len);
- bufferPos += len;
- }
- }
-}
-
-void
-LogWrite(int verb, const char *f, ...)
-{
- va_list args;
-
- va_start(args, f);
- LogVWrite(verb, f, args);
- va_end(args);
-}
-
-void
-LogVMessageVerb(MessageType type, int verb, const char *format, va_list args)
-{
- const char *s = X_UNKNOWN_STRING;
- char tmpBuf[1024];
-
- /* Ignore verbosity for X_ERROR */
- if (logVerbosity >= verb || logFileVerbosity >= verb || type == X_ERROR) {
- switch (type) {
- case X_PROBED:
- s = X_PROBE_STRING;
- break;
- case X_CONFIG:
- s = X_CONFIG_STRING;
- break;
- case X_DEFAULT:
- s = X_DEFAULT_STRING;
- break;
- case X_CMDLINE:
- s = X_CMDLINE_STRING;
- break;
- case X_NOTICE:
- s = X_NOTICE_STRING;
- break;
- case X_ERROR:
- s = X_ERROR_STRING;
- if (verb > 0)
- verb = 0;
- break;
- case X_WARNING:
- s = X_WARNING_STRING;
- break;
- case X_INFO:
- s = X_INFO_STRING;
- break;
- case X_NOT_IMPLEMENTED:
- s = X_NOT_IMPLEMENTED_STRING;
- break;
- case X_UNKNOWN:
- s = X_UNKNOWN_STRING;
- break;
- case X_NONE:
- s = NULL;
- break;
- }
-
- /* if s is not NULL we need a space before format */
- snprintf(tmpBuf, sizeof(tmpBuf), "%s%s%s", s ? s : "",
- s ? " " : "",
- format);
- LogVWrite(verb, tmpBuf, args);
- }
-}
-
-/* Log message with verbosity level specified. */
-void
-LogMessageVerb(MessageType type, int verb, const char *format, ...)
-{
- va_list ap;
-
- va_start(ap, format);
- LogVMessageVerb(type, verb, format, ap);
- va_end(ap);
-}
-
-/* Log a message with the standard verbosity level of 1. */
-void
-LogMessage(MessageType type, const char *format, ...)
-{
- va_list ap;
-
- va_start(ap, format);
- LogVMessageVerb(type, 1, format, ap);
- va_end(ap);
-}
-
-void
-AbortServer(void) _X_NORETURN;
-
-void
-AbortServer(void)
-{
-#ifdef XF86BIGFONT
- XF86BigfontCleanup();
-#endif
- CloseWellKnownConnections();
- OsCleanup(TRUE);
- CloseDownDevices();
- AbortDDX();
- fflush(stderr);
- if (CoreDump)
- OsAbort();
- exit (1);
-}
-
-#define AUDIT_PREFIX "AUDIT: %s: %ld: "
-#ifndef AUDIT_TIMEOUT
-#define AUDIT_TIMEOUT ((CARD32)(120 * 1000)) /* 2 mn */
-#endif
-
-static int nrepeat = 0;
-static int oldlen = -1;
-static OsTimerPtr auditTimer = NULL;
-
-void
-FreeAuditTimer(void)
-{
- if (auditTimer != NULL) {
- /* Force output of pending messages */
- TimerForce(auditTimer);
- TimerFree(auditTimer);
- auditTimer = NULL;
- }
-}
-
-static char *
-AuditPrefix(void)
-{
- time_t tm;
- char *autime, *s;
- char *tmpBuf;
- int len;
-
- time(&tm);
- autime = ctime(&tm);
- if ((s = strchr(autime, '\n')))
- *s = '\0';
- len = strlen(AUDIT_PREFIX) + strlen(autime) + 10 + 1;
- tmpBuf = malloc(len);
- if (!tmpBuf)
- return NULL;
- snprintf(tmpBuf, len, AUDIT_PREFIX, autime, (unsigned long)getpid());
- return tmpBuf;
-}
-
-void
-AuditF(const char * f, ...)
-{
- va_list args;
-
- va_start(args, f);
-
- VAuditF(f, args);
- va_end(args);
-}
-
-static CARD32
-AuditFlush(OsTimerPtr timer, CARD32 now, pointer arg)
-{
- char *prefix;
-
- if (nrepeat > 0) {
- prefix = AuditPrefix();
- ErrorF("%slast message repeated %d times\n",
- prefix != NULL ? prefix : "", nrepeat);
- nrepeat = 0;
- if (prefix != NULL)
- free(prefix);
- return AUDIT_TIMEOUT;
- } else {
- /* if the timer expires without anything to print, flush the message */
- oldlen = -1;
- return 0;
- }
-}
-
-void
-VAuditF(const char *f, va_list args)
-{
- char *prefix;
- char buf[1024];
- int len;
- static char oldbuf[1024];
-
- prefix = AuditPrefix();
- len = vsnprintf(buf, sizeof(buf), f, args);
-
- if (len == oldlen && strcmp(buf, oldbuf) == 0) {
- /* Message already seen */
- nrepeat++;
- } else {
- /* new message */
- if (auditTimer != NULL)
- TimerForce(auditTimer);
- ErrorF("%s%s", prefix != NULL ? prefix : "", buf);
- strlcpy(oldbuf, buf, sizeof(oldbuf));
- oldlen = len;
- nrepeat = 0;
- auditTimer = TimerSet(auditTimer, 0, AUDIT_TIMEOUT, AuditFlush, NULL);
- }
- if (prefix != NULL)
- free(prefix);
-}
-
-void
-FatalError(const char *f, ...)
-{
- va_list args;
- static Bool beenhere = FALSE;
-
- if (beenhere)
- ErrorF("\nFatalError re-entered, aborting\n");
- else
- ErrorF("\nFatal server error:\n");
-
- va_start(args, f);
-#ifdef __APPLE__
- (void)vsnprintf(__crashreporter_info_buff__, sizeof(__crashreporter_info_buff__), f, args);
-#endif
- VErrorF(f, args);
- va_end(args);
- ErrorF("\n");
- if (!beenhere)
- OsVendorFatalError();
- if (!beenhere) {
- beenhere = TRUE;
- AbortServer();
- } else
- OsAbort();
- /*NOTREACHED*/
-}
-
-void
-VErrorF(const char *f, va_list args)
-{
-#ifdef DDXOSVERRORF
- if (OsVendorVErrorFProc)
- OsVendorVErrorFProc(f, args);
- else
- LogVWrite(-1, f, args);
-#else
- LogVWrite(-1, f, args);
-#endif
-}
-
-void
-ErrorF(const char * f, ...)
-{
- va_list args;
-
- va_start(args, f);
- VErrorF(f, args);
- va_end(args);
-}
-
-/* A perror() workalike. */
-
-void
-Error(char *str)
-{
- char *err = NULL;
- int saveErrno = errno;
-
- if (str) {
- err = malloc(strlen(strerror(saveErrno)) + strlen(str) + 2 + 1);
- if (!err)
- return;
- sprintf(err, "%s: ", str);
- strcat(err, strerror(saveErrno));
- LogWrite(-1, "%s", err);
- free(err);
- } else
- LogWrite(-1, "%s", strerror(saveErrno));
-}
-
-void
-LogPrintMarkers(void)
-{
- /* Show what the message marker symbols mean. */
- LogWrite(0, "Markers: ");
- LogMessageVerb(X_PROBED, 0, "probed, ");
- LogMessageVerb(X_CONFIG, 0, "from config file, ");
- LogMessageVerb(X_DEFAULT, 0, "default setting,\n\t");
- LogMessageVerb(X_CMDLINE, 0, "from command line, ");
- LogMessageVerb(X_NOTICE, 0, "notice, ");
- LogMessageVerb(X_INFO, 0, "informational,\n\t");
- LogMessageVerb(X_WARNING, 0, "warning, ");
- LogMessageVerb(X_ERROR, 0, "error, ");
- LogMessageVerb(X_NOT_IMPLEMENTED, 0, "not implemented, ");
- LogMessageVerb(X_UNKNOWN, 0, "unknown.\n");
-}
-
+/*
+
+Copyright 1987, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from The Open Group.
+
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts,
+Copyright 1994 Quarterdeck Office Systems.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the names of Digital and
+Quarterdeck not be used in advertising or publicity pertaining to
+distribution of the software without specific, written prior
+permission.
+
+DIGITAL AND QUARTERDECK DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
+SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS, IN NO EVENT SHALL DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT
+OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE
+OR PERFORMANCE OF THIS SOFTWARE.
+
+*/
+
+/*
+ * Copyright (c) 1997-2003 by The XFree86 Project, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the name of the copyright holder(s)
+ * and author(s) shall not be used in advertising or otherwise to promote
+ * the sale, use or other dealings in this Software without prior written
+ * authorization from the copyright holder(s) and author(s).
+ */
+
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/Xos.h>
+#include <stdio.h>
+#include <time.h>
+#include <sys/stat.h>
+#include <stdarg.h>
+#include <stdlib.h> /* for malloc() */
+#include <errno.h>
+
+#include "input.h"
+#include "site.h"
+#include "opaque.h"
+
+#ifdef WIN32
+#include <process.h>
+#define getpid(x) _getpid(x)
+#endif
+
+#ifdef XF86BIGFONT
+#include "xf86bigfontsrv.h"
+#endif
+
+#ifdef DDXOSVERRORF
+void (*OsVendorVErrorFProc)(const char *, va_list args) = NULL;
+#endif
+
+static FILE *logFile = NULL;
+static Bool logFlush = FALSE;
+static Bool logSync = FALSE;
+static int logVerbosity = DEFAULT_LOG_VERBOSITY;
+static int logFileVerbosity = DEFAULT_LOG_FILE_VERBOSITY;
+
+/* Buffer to information logged before the log file is opened. */
+static char *saveBuffer = NULL;
+static int bufferSize = 0, bufferUnused = 0, bufferPos = 0;
+static Bool needBuffer = TRUE;
+
+#ifdef __APPLE__
+#include <AvailabilityMacros.h>
+
+static char __crashreporter_info_buff__[4096] = {0};
+static const char *__crashreporter_info__ = &__crashreporter_info_buff__[0];
+#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1050
+// This is actually a toolchain requirement, but I'm not sure the correct check,
+// but it should be fine to just only include it for Leopard and later. This line
+// just tells the linker to never strip this symbol (such as for space optimization)
+asm (".desc ___crashreporter_info__, 0x10");
+#endif
+#endif
+
+/* Prefix strings for log messages. */
+#ifndef X_UNKNOWN_STRING
+#define X_UNKNOWN_STRING "(\?\?)"
+#endif
+#ifndef X_PROBE_STRING
+#define X_PROBE_STRING "(--)"
+#endif
+#ifndef X_CONFIG_STRING
+#define X_CONFIG_STRING "(**)"
+#endif
+#ifndef X_DEFAULT_STRING
+#define X_DEFAULT_STRING "(==)"
+#endif
+#ifndef X_CMDLINE_STRING
+#define X_CMDLINE_STRING "(++)"
+#endif
+#ifndef X_NOTICE_STRING
+#define X_NOTICE_STRING "(!!)"
+#endif
+#ifndef X_ERROR_STRING
+#define X_ERROR_STRING "(EE)"
+#endif
+#ifndef X_WARNING_STRING
+#define X_WARNING_STRING "(WW)"
+#endif
+#ifndef X_INFO_STRING
+#define X_INFO_STRING "(II)"
+#endif
+#ifndef X_NOT_IMPLEMENTED_STRING
+#define X_NOT_IMPLEMENTED_STRING "(NI)"
+#endif
+
+/*
+ * LogInit is called to start logging to a file. It is also called (with
+ * NULL arguments) when logging to a file is not wanted. It must always be
+ * called, otherwise log messages will continue to accumulate in a buffer.
+ *
+ * %s, if present in the fname or backup strings, is expanded to the display
+ * string.
+ */
+
+const char *
+LogInit(const char *fname, const char *backup)
+{
+ char *logFileName = NULL;
+
+ if (fname && *fname) {
+ /* malloc() can't be used yet. */
+ logFileName = malloc(strlen(fname) + strlen(display) + 1);
+ if (!logFileName)
+ FatalError("Cannot allocate space for the log file name\n");
+ sprintf(logFileName, fname, display);
+
+ if (backup && *backup) {
+ struct stat buf;
+
+ if (!stat(logFileName, &buf) && S_ISREG(buf.st_mode)) {
+ char *suffix;
+ char *oldLog;
+
+ oldLog = malloc(strlen(logFileName) + strlen(backup) +
+ strlen(display) + 1);
+ suffix = malloc(strlen(backup) + strlen(display) + 1);
+ if (!oldLog || !suffix)
+ FatalError("Cannot allocate space for the log file name\n");
+ sprintf(suffix, backup, display);
+ sprintf(oldLog, "%s%s", logFileName, suffix);
+ free(suffix);
+ if (rename(logFileName, oldLog) == -1) {
+ FatalError("Cannot move old log file \"%s\" to \"%s\"\n",
+ logFileName, oldLog);
+ }
+ free(oldLog);
+ }
+ }
+ if ((logFile = fopen(logFileName, "w")) == NULL)
+ FatalError("Cannot open log file \"%s\"\n", logFileName);
+ setvbuf(logFile, NULL, _IONBF, 0);
+
+ /* Flush saved log information. */
+ if (saveBuffer && bufferSize > 0) {
+ fwrite(saveBuffer, bufferPos, 1, logFile);
+ fflush(logFile);
+#ifndef WIN32
+ fsync(fileno(logFile));
+#endif
+ }
+ }
+
+ /*
+ * Unconditionally free the buffer, and flag that the buffer is no longer
+ * needed.
+ */
+ if (saveBuffer && bufferSize > 0) {
+ free(saveBuffer); /* Must be free(), not free() */
+ saveBuffer = NULL;
+ bufferSize = 0;
+ }
+ needBuffer = FALSE;
+
+ return logFileName;
+}
+
+void
+LogClose(void)
+{
+ if (logFile) {
+ fclose(logFile);
+ logFile = NULL;
+ }
+}
+
+Bool
+LogSetParameter(LogParameter param, int value)
+{
+ switch (param) {
+ case XLOG_FLUSH:
+ logFlush = value ? TRUE : FALSE;
+ return TRUE;
+ case XLOG_SYNC:
+ logSync = value ? TRUE : FALSE;
+ return TRUE;
+ case XLOG_VERBOSITY:
+ logVerbosity = value;
+ return TRUE;
+ case XLOG_FILE_VERBOSITY:
+ logFileVerbosity = value;
+ return TRUE;
+ default:
+ return FALSE;
+ }
+}
+
+/* This function does the actual log message writes. */
+
+void
+LogVWrite(int verb, const char *f, va_list args)
+{
+ static char tmpBuffer[1024];
+ int len = 0;
+ static Bool newline = TRUE;
+
+ if (newline) {
+ sprintf(tmpBuffer, "[%10.3f] ", GetTimeInMillis() / 1000.0);
+ len = strlen(tmpBuffer);
+ if (logFile)
+ fwrite(tmpBuffer, len, 1, logFile);
+ }
+
+ /*
+ * Since a va_list can only be processed once, write the string to a
+ * buffer, and then write the buffer out to the appropriate output
+ * stream(s).
+ */
+ if (verb < 0 || logFileVerbosity >= verb || logVerbosity >= verb) {
+ vsnprintf(tmpBuffer, sizeof(tmpBuffer), f, args);
+ len = strlen(tmpBuffer);
+ }
+ newline = (tmpBuffer[len-1] == '\n');
+ if ((verb < 0 || logVerbosity >= verb) && len > 0)
+ fwrite(tmpBuffer, len, 1, stderr);
+ if ((verb < 0 || logFileVerbosity >= verb) && len > 0) {
+ if (logFile) {
+ fwrite(tmpBuffer, len, 1, logFile);
+ if (logFlush) {
+ fflush(logFile);
+#ifndef WIN32
+ if (logSync)
+ fsync(fileno(logFile));
+#endif
+ }
+ } else if (needBuffer) {
+ /*
+ * Note, this code is used before OsInit() has been called, so
+ * malloc() and friends can't be used.
+ */
+ if (len > bufferUnused) {
+ bufferSize += 1024;
+ bufferUnused += 1024;
+ if (saveBuffer)
+ saveBuffer = realloc(saveBuffer, bufferSize);
+ else
+ saveBuffer = malloc(bufferSize);
+ if (!saveBuffer)
+ FatalError("realloc() failed while saving log messages\n");
+ }
+ bufferUnused -= len;
+ memcpy(saveBuffer + bufferPos, tmpBuffer, len);
+ bufferPos += len;
+ }
+ }
+}
+
+void
+LogWrite(int verb, const char *f, ...)
+{
+ va_list args;
+
+ va_start(args, f);
+ LogVWrite(verb, f, args);
+ va_end(args);
+}
+
+void
+LogVMessageVerb(MessageType type, int verb, const char *format, va_list args)
+{
+ const char *s = X_UNKNOWN_STRING;
+ char tmpBuf[1024];
+
+ /* Ignore verbosity for X_ERROR */
+ if (logVerbosity >= verb || logFileVerbosity >= verb || type == X_ERROR) {
+ switch (type) {
+ case X_PROBED:
+ s = X_PROBE_STRING;
+ break;
+ case X_CONFIG:
+ s = X_CONFIG_STRING;
+ break;
+ case X_DEFAULT:
+ s = X_DEFAULT_STRING;
+ break;
+ case X_CMDLINE:
+ s = X_CMDLINE_STRING;
+ break;
+ case X_NOTICE:
+ s = X_NOTICE_STRING;
+ break;
+ case X_ERROR:
+ s = X_ERROR_STRING;
+ if (verb > 0)
+ verb = 0;
+ break;
+ case X_WARNING:
+ s = X_WARNING_STRING;
+ break;
+ case X_INFO:
+ s = X_INFO_STRING;
+ break;
+ case X_NOT_IMPLEMENTED:
+ s = X_NOT_IMPLEMENTED_STRING;
+ break;
+ case X_UNKNOWN:
+ s = X_UNKNOWN_STRING;
+ break;
+ case X_NONE:
+ s = NULL;
+ break;
+ }
+
+ /* if s is not NULL we need a space before format */
+ snprintf(tmpBuf, sizeof(tmpBuf), "%s%s%s", s ? s : "",
+ s ? " " : "",
+ format);
+ LogVWrite(verb, tmpBuf, args);
+ }
+}
+
+/* Log message with verbosity level specified. */
+void
+LogMessageVerb(MessageType type, int verb, const char *format, ...)
+{
+ va_list ap;
+
+ va_start(ap, format);
+ LogVMessageVerb(type, verb, format, ap);
+ va_end(ap);
+}
+
+/* Log a message with the standard verbosity level of 1. */
+void
+LogMessage(MessageType type, const char *format, ...)
+{
+ va_list ap;
+
+ va_start(ap, format);
+ LogVMessageVerb(type, 1, format, ap);
+ va_end(ap);
+}
+
+void
+AbortServer(void) _X_NORETURN;
+
+void
+AbortServer(void)
+{
+#ifdef XF86BIGFONT
+ XF86BigfontCleanup();
+#endif
+ CloseWellKnownConnections();
+ OsCleanup(TRUE);
+ CloseDownDevices();
+ AbortDDX();
+ fflush(stderr);
+ if (CoreDump)
+ OsAbort();
+ exit (1);
+}
+
+#define AUDIT_PREFIX "AUDIT: %s: %ld: "
+#ifndef AUDIT_TIMEOUT
+#define AUDIT_TIMEOUT ((CARD32)(120 * 1000)) /* 2 mn */
+#endif
+
+static int nrepeat = 0;
+static int oldlen = -1;
+static OsTimerPtr auditTimer = NULL;
+
+void
+FreeAuditTimer(void)
+{
+ if (auditTimer != NULL) {
+ /* Force output of pending messages */
+ TimerForce(auditTimer);
+ TimerFree(auditTimer);
+ auditTimer = NULL;
+ }
+}
+
+static char *
+AuditPrefix(void)
+{
+ time_t tm;
+ char *autime, *s;
+ char *tmpBuf;
+ int len;
+
+ time(&tm);
+ autime = ctime(&tm);
+ if ((s = strchr(autime, '\n')))
+ *s = '\0';
+ len = strlen(AUDIT_PREFIX) + strlen(autime) + 10 + 1;
+ tmpBuf = malloc(len);
+ if (!tmpBuf)
+ return NULL;
+ snprintf(tmpBuf, len, AUDIT_PREFIX, autime, (unsigned long)getpid());
+ return tmpBuf;
+}
+
+void
+AuditF(const char * f, ...)
+{
+ va_list args;
+
+ va_start(args, f);
+
+ VAuditF(f, args);
+ va_end(args);
+}
+
+static CARD32
+AuditFlush(OsTimerPtr timer, CARD32 now, pointer arg)
+{
+ char *prefix;
+
+ if (nrepeat > 0) {
+ prefix = AuditPrefix();
+ ErrorF("%slast message repeated %d times\n",
+ prefix != NULL ? prefix : "", nrepeat);
+ nrepeat = 0;
+ if (prefix != NULL)
+ free(prefix);
+ return AUDIT_TIMEOUT;
+ } else {
+ /* if the timer expires without anything to print, flush the message */
+ oldlen = -1;
+ return 0;
+ }
+}
+
+void
+VAuditF(const char *f, va_list args)
+{
+ char *prefix;
+ char buf[1024];
+ int len;
+ static char oldbuf[1024];
+
+ prefix = AuditPrefix();
+ len = vsnprintf(buf, sizeof(buf), f, args);
+
+ if (len == oldlen && strcmp(buf, oldbuf) == 0) {
+ /* Message already seen */
+ nrepeat++;
+ } else {
+ /* new message */
+ if (auditTimer != NULL)
+ TimerForce(auditTimer);
+ ErrorF("%s%s", prefix != NULL ? prefix : "", buf);
+ strlcpy(oldbuf, buf, sizeof(oldbuf));
+ oldlen = len;
+ nrepeat = 0;
+ auditTimer = TimerSet(auditTimer, 0, AUDIT_TIMEOUT, AuditFlush, NULL);
+ }
+ if (prefix != NULL)
+ free(prefix);
+}
+
+void
+FatalError(const char *f, ...)
+{
+ va_list args;
+ static Bool beenhere = FALSE;
+
+ if (beenhere)
+ ErrorF("\nFatalError re-entered, aborting\n");
+ else
+ ErrorF("\nFatal server error:\n");
+
+ va_start(args, f);
+#ifdef __APPLE__
+ (void)vsnprintf(__crashreporter_info_buff__, sizeof(__crashreporter_info_buff__), f, args);
+#endif
+ VErrorF(f, args);
+ va_end(args);
+ ErrorF("\n");
+ if (!beenhere)
+ OsVendorFatalError();
+ if (!beenhere) {
+ beenhere = TRUE;
+ AbortServer();
+ } else
+ OsAbort();
+ /*NOTREACHED*/
+}
+
+void
+VErrorF(const char *f, va_list args)
+{
+#ifdef DDXOSVERRORF
+ if (OsVendorVErrorFProc)
+ OsVendorVErrorFProc(f, args);
+ else
+ LogVWrite(-1, f, args);
+#else
+ LogVWrite(-1, f, args);
+#endif
+}
+
+void
+ErrorF(const char * f, ...)
+{
+ va_list args;
+
+ va_start(args, f);
+ VErrorF(f, args);
+ va_end(args);
+}
+
+/* A perror() workalike. */
+
+void
+Error(char *str)
+{
+ char *err = NULL;
+ int saveErrno = errno;
+
+ if (str) {
+ err = malloc(strlen(strerror(saveErrno)) + strlen(str) + 2 + 1);
+ if (!err)
+ return;
+ sprintf(err, "%s: ", str);
+ strcat(err, strerror(saveErrno));
+ LogWrite(-1, "%s", err);
+ free(err);
+ } else
+ LogWrite(-1, "%s", strerror(saveErrno));
+}
+
+void
+LogPrintMarkers(void)
+{
+ /* Show what the message marker symbols mean. */
+ LogWrite(0, "Markers: ");
+ LogMessageVerb(X_PROBED, 0, "probed, ");
+ LogMessageVerb(X_CONFIG, 0, "from config file, ");
+ LogMessageVerb(X_DEFAULT, 0, "default setting,\n\t");
+ LogMessageVerb(X_CMDLINE, 0, "from command line, ");
+ LogMessageVerb(X_NOTICE, 0, "notice, ");
+ LogMessageVerb(X_INFO, 0, "informational,\n\t");
+ LogMessageVerb(X_WARNING, 0, "warning, ");
+ LogMessageVerb(X_ERROR, 0, "error, ");
+ LogMessageVerb(X_NOT_IMPLEMENTED, 0, "not implemented, ");
+ LogMessageVerb(X_UNKNOWN, 0, "unknown.\n");
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-16 16:48:51 +0000