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os: log: drop now meaningless XLOG_FLUSH option 

Since we're not indirectly writing via FILE anymore, this option has
become meaningless: it meant flushing out our in-process buffer to
the kernel, but we're now doing direct write() calls anyways.

xf86 still accepts the "flush" config file flag for backwards compatibility,
but it hasn't any practical meaning anymore.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
This commit is contained in:
Enrico Weigelt, metux IT consult 2024-09-10 12:35:30 +02:00
parent 11fc023a72
commit 917d8dc207
4 changed files with 3 additions and 13 deletions
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2
hw/xfree86/common/xf86Config.c
View File

@ -829,11 +829,9 @@ configServerFlags(XF86ConfFlagsPtr flagsconf, XF86OptionPtr layoutopts)
if ((s = xf86GetOptValString(FlagOptions, FLAG_LOG))) {
if (!xf86NameCmp(s, "flush")) {
LogMessageVerb(X_CONFIG, 1, "Flushing logfile enabled\n");
LogSetParameter(XLOG_FLUSH, TRUE);
}
else if (!xf86NameCmp(s, "sync")) {
LogMessageVerb(X_CONFIG, 1, "Syncing logfile enabled\n");
LogSetParameter(XLOG_FLUSH, TRUE);
LogSetParameter(XLOG_SYNC, TRUE);
}
else {

1
hw/xwin/InitOutput.c
View File

@ -638,7 +638,6 @@ OsVendorInit(void)
g_pszLogFile = LogInit(g_pszLogFile, ".old");
}
LogSetParameter(XLOG_FLUSH, 1);
LogSetParameter(XLOG_VERBOSITY, g_iLogVerbose);
LogSetParameter(XLOG_FILE_VERBOSITY, g_iLogVerbose);

1
include/os.h
View File

@ -271,7 +271,6 @@ timingsafe_memcmp(const void *b1, const void *b2, size_t len);
/* Logging. */
typedef enum _LogParameter {
XLOG_FLUSH,
XLOG_SYNC,
XLOG_VERBOSITY,
XLOG_FILE_VERBOSITY

8
os/log.c
View File

@ -111,7 +111,6 @@ OR PERFORMANCE OF THIS SOFTWARE.
#define DEFAULT_LOG_FILE_VERBOSITY 3
static int logFileFd = -1;
static Bool logFlush = FALSE;
static Bool logSync = FALSE;
static int logVerbosity = DEFAULT_LOG_VERBOSITY;
static int logFileVerbosity = DEFAULT_LOG_FILE_VERBOSITY;
@ -310,9 +309,6 @@ 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;
@ -561,7 +557,7 @@ LogSWrite(int verb, const char *buf, size_t len, Bool end_line)
if (inSignalContext && logFileFd >= 0) {
ret = write(logFileFd, buf, len);
#ifndef WIN32
if (logFlush && logSync)
if (logSync)
fsync(logFileFd);
#endif
}
@ -577,13 +573,11 @@ LogSWrite(int verb, const char *buf, size_t len, Bool end_line)
}
newline = end_line;
write(logFileFd, buf, len);
if (logFlush) {
#ifndef WIN32
if (logSync)
fsync(logFileFd);
#endif
}
}
else if (!inSignalContext && needBuffer) {
if (len > bufferUnused) {
bufferSize += 1024;