static inline const char *
Last_errormsg_get()
{
Last_errormsg_key_alloc();
char *errormsg = pthread_getspecific(Last_errormsg_key);
if (errormsg == NULL) {
errormsg = malloc(MAXPRINT);
int ret = pthread_setspecific(Last_errormsg_key, errormsg);
if (ret)
FATAL("!pthread_setspecific");
}
return errormsg;
}
static inline struct errormsg *
Last_errormsg_get(void)
{
Last_errormsg_key_alloc();
struct errormsg *errormsg = pthread_getspecific(Last_errormsg_key);
if (errormsg == NULL) {
errormsg = Malloc(sizeof(struct errormsg));
int ret = pthread_setspecific(Last_errormsg_key, errormsg);
if (ret)
FATAL("!pthread_setspecific");
}
return errormsg;
}
/*
* out_init -- initialize the log
*
* This is called from the library initialization code.
*/
void
out_init(const char *log_prefix, const char *log_level_var,
const char *log_file_var, int major_version,
int minor_version)
{
static int once;
/* only need to initialize the out module once */
if (once)
return;
once++;
Log_prefix = log_prefix;
#ifdef DEBUG
char *log_level;
char *log_file;
if ((log_level = getenv(log_level_var)) != NULL) {
Log_level = atoi(log_level);
if (Log_level < 0) {
Log_level = 0;
}
}
if ((log_file = getenv(log_file_var)) != NULL) {
size_t cc = strlen(log_file);
/* reserve more than enough space for a PID + '\0' */
char *log_file_pid = alloca(cc + 30);
if (cc > 0 && log_file[cc - 1] == '-') {
snprintf(log_file_pid, cc + 30, "%s%d",
log_file, getpid());
log_file = log_file_pid;
}
if ((Out_fp = fopen(log_file, "w")) == NULL) {
fprintf(stderr, "Error (%s): %s=%s: %s\n",
log_prefix, log_file_var,
log_file, strerror(errno));
abort();
}
}
#endif /* DEBUG */
char *log_alignment = getenv("NVML_LOG_ALIGN");
if (log_alignment) {
int align = atoi(log_alignment);
if (align > 0)
Log_alignment = (unsigned)align;
}
if (Out_fp == NULL)
Out_fp = stderr;
else
setlinebuf(Out_fp);
#ifdef DEBUG
LOG(1, "pid %d: program: %s", getpid(), getexecname());
#endif
LOG(1, "%s version %d.%d", log_prefix, major_version, minor_version);
LOG(1, "src version %s", nvml_src_version);
#ifdef USE_VG_PMEMCHECK
/*
* Attribute "used" to prevent compiler from optimizing out the variable
* when LOG expands to no code (!DEBUG)
*/
static __attribute__((used)) const char *pmemcheck_msg =
"compiled with support for Valgrind pmemcheck";
LOG(1, "%s", pmemcheck_msg);
#endif /* USE_VG_PMEMCHECK */
#ifdef USE_VG_HELGRIND
static __attribute__((used)) const char *helgrind_msg =
"compiled with support for Valgrind helgrind";
LOG(1, "%s", helgrind_msg);
#endif /* USE_VG_HELGRIND */
#ifdef USE_VG_MEMCHECK
static __attribute__((used)) const char *memcheck_msg =
"compiled with support for Valgrind memcheck";
LOG(1, "%s", memcheck_msg);
#endif /* USE_VG_MEMCHECK */
Last_errormsg_key_alloc();
}
