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os: Ignore log file write failures

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There's no place to log the message if writing to the log file fails,
and we surely don't want to crash in that case, so just ignore errors
and keep going.

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Jamey Sharp <jamey@minilop.net>
This commit is contained in:
Keith Packard 2014-04-18 15:09:50 -07:00
parent 7abd286850
commit 0af8788579
1 changed files with 8 additions and 2 deletions
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10
os/log.c
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@ -491,13 +491,14 @@ static void
LogSWrite(int verb, const char *buf, size_t len, Bool end_line)
{
static Bool newline = TRUE;
int ret;
if (verb < 0 || logVerbosity >= verb)
write(2, buf, len);
ret = write(2, buf, len);
if (verb < 0 || logFileVerbosity >= verb) {
if (inSignalContext && logFileFd >= 0) {
write(logFileFd, buf, len);
ret = write(logFileFd, buf, len);
#ifndef WIN32
if (logFlush && logSync)
fsync(logFileFd);
@ -529,6 +530,11 @@ LogSWrite(int verb, const char *buf, size_t len, Bool end_line)
bufferPos += len;
}
}
/* There's no place to log an error message if the log write
* fails...
*/
(void) ret;
}
void