void comm_service_init(void)
{
int s;
enable_progress_thread = get_env_flag(ENV_PROGRESS_THREAD,
DEFAULT_ENABLE_PROGRESS_THREAD);
/* don't spawn a progress thread here if the conduit is ibv or vapi, since
* GASNet's receive thread (GASNET_RCV_THREAD) will be enabled.
*/
#if !defined(GASNET_CONDUIT_IBV) && !defined(GASNET_CONDUIT_VAPI)
if (enable_progress_thread == 0)
#endif
return;
progress_thread_interval = get_env_size(ENV_PROGRESS_THREAD_INTERVAL,
DEFAULT_PROGRESS_THREAD_INTERVAL);
delayspec.tv_sec = (time_t) 0;
delayspec.tv_nsec = progress_thread_interval;
s = pthread_create(&thr, NULL, start_service, (void *) 0);
if (s != 0) {
LIBCAF_TRACE(LIBCAF_LOG_FATAL,
"service thread creation failed (%s)", strerror(s));
/* NOT REACHED */
}
LIBCAF_TRACE(LIBCAF_LOG_SERVICE, "started progress thread");
}
int get_env_flag(const char *var_name, int default_val)
{
char *val;
if (var_name == NULL)
return 0;
val = getenv(var_name);
if (val == NULL)
return default_val;
if (strcasecmp(val, "1") == 0 ||
strcasecmp(val, "y") == 0 ||
strcasecmp(val, "on") == 0 || strcasecmp(val, "yes") == 0) {
return 1;
} else if (strcasecmp(val, "0") == 0 ||
strcasecmp(val, "n") == 0 ||
strcasecmp(val, "off") == 0 || strcasecmp(val, "no") == 0) {
return 0;
} else {
LIBCAF_TRACE(LIBCAF_LOG_NOTICE,
"Bad val for %s: %s", var_name, val);
return default_val;
}
}
size_t get_env_size_with_unit(const char *var_name, size_t default_size)
{
char *val;
size_t ret_val;
char *u;
if (var_name == NULL)
return default_size;
val = getenv(var_name);
if (val == NULL)
return default_size;
u = alloca(strlen(val));
ret_val = 0;
sscanf(val, "%ld", (long *)&ret_val);
sprintf(u, "%ld", (long) ret_val);
if (strlen(u) != strlen(val)) {
sscanf(val, "%ld%s", (unsigned long *)&ret_val, u);
if (strlen(u) != 0 && strlen(u) != 1) {
LIBCAF_TRACE(LIBCAF_LOG_NOTICE,
"Bad val for %s: %s", var_name, val);
ret_val = default_size;
} else if (strlen(u) != 0) {
if (strncasecmp(u, "k", strlen(u)) == 0) {
ret_val *= 1024L;
} else if (strncasecmp(u, "m", strlen(u)) == 0) {
ret_val *= 1024L*1024L;
} else if (strncasecmp(u, "g", strlen(u)) == 0) {
ret_val *= 1024L*1024L*1024L;
} else {
LIBCAF_TRACE(LIBCAF_LOG_NOTICE,
"Bad val for %s: %s", var_name, val);
ret_val = default_size;
}
}
}
if (ret_val == 0)
ret_val = default_size;
return ret_val;
}
void comm_service_finalize(void)
{
int s;
/* don't spawn a progress thread here if the conduit is ibv or vapi, since
* GASNet's receive thread (GASNET_RCV_THREAD) will be enabled.
*/
#if !defined(GASNET_CONDUIT_IBV) && !defined(GASNET_CONDUIT_VAPI)
if (enable_progress_thread == 0)
#endif
return;
done = 1;
s = pthread_join(thr, NULL);
if (s != 0) {
LIBCAF_TRACE(LIBCAF_LOG_FATAL,
"service thread termination failed (%s)",
strerror(s));
/* NOT REACHED */
}
LIBCAF_TRACE(LIBCAF_LOG_SERVICE, "stopped progress thread");
}
static void show_trace_levels(void)
{
char buf[BUF_SIZE];
int i;
strcpy(buf, "Enabled Messages: ");
for (i = 0; i < NUM_TRACERS; i++) {
if (tracers[i].state == ON) {
strncat(buf, tracers[i].text, strlen(tracers[i].text));
strncat(buf, " ", 1);
}
}
LIBCAF_TRACE(LIBCAF_LOG_INIT, buf);
}
size_t get_env_size(const char *var_name, size_t default_size)
{
char *p;
char *val;
if (var_name == NULL)
return default_size;
val = getenv(var_name);
if (val == NULL)
return default_size;
double dummy = strtod(val, &p);
if (*p != '\0') {
LIBCAF_TRACE(LIBCAF_LOG_NOTICE,
"Bad val for %s: %s", var_name, val);
return default_size;
}
return (size_t) atoll(val);
}
