struct Gio *NaClLogGetGio(void) {
struct Gio *s;
NaClLogLock();
s = NaClLogGetGio_mu();
NaClLogUnlock();
return s;
}
/*
* Output a printf-style formatted message if the log verbosity level
* is set higher than the log output's detail level. Note that since
* this is not a macro, log message arguments that have side effects
* will have their side effects regardless of whether the
* corresponding log message is printed or not. This is good from a
* consistency point of view, but it means that should a logging
* argument be expensive to compute, the log statement needs to be
* surrounded by something like
*
* if (detail_level <= NaClLogGetVerbosity()) {
* NaClLog(detail_level, "format string", expensive_arg(), ...);
* }
*
* The log message, if written, is prepended by a microsecond
* resolution timestamp on linux and a millisecond resolution
* timestamp on windows. This means that if the NaCl app can read its
* own logs, it can distinguish which host OS it is running on.
*/
void NaClLogV_mu(int detail_level,
char const *fmt,
va_list ap) {
struct Gio *s;
s = NaClLogGetGio_mu();
if (NACL_VERBOSITY_UNSET == verbosity) {
verbosity = NaClLogDefaultLogVerbosity();
}
if (detail_level <= verbosity) {
NaClLogOutputTag_mu(s);
(void) gvprintf(s, fmt, ap);
(void) (*s->vtbl->Flush)(s);
}
if (LOG_FATAL == detail_level) {
abort_on_unlock = 1;
}
}
/*
* Output a printf-style formatted message if the log verbosity level
* is set higher than the log output's detail level. Note that since
* this is not a macro, log message arguments that have side effects
* will have their side effects regardless of whether the
* corresponding log message is printed or not. This is good from a
* consistency point of view, but it means that should a logging
* argument be expensive to compute, the log statement needs to be
* surrounded by something like
*
* if (detail_level <= NaClLogGetVerbosity()) {
* NaClLog(detail_level, "format string", expensive_arg(), ...);
* }
*
* The log message, if written, is prepended by a microsecond
* resolution timestamp on linux and a millisecond resolution
* timestamp on windows. This means that if the NaCl app can read its
* own logs, it can distinguish which host OS it is running on.
*/
void NaClLogDoLogV_mu(int detail_level,
char const *fmt,
va_list ap) {
struct Gio *s;
if (0 == g_abort_count) {
s = NaClLogGetGio_mu();
NaClLogOutputTag_mu(s);
(void) gvprintf(s, fmt, ap);
(void) (*s->vtbl->Flush)(s);
} else {
(void) fprintf(stderr, "POST-ABORT: ");
(void) vfprintf(stderr, fmt, ap);
(void) fflush(stderr);
}
if (LOG_FATAL == detail_level) {
++g_abort_count;
}
}
