static int64_t now(void)
{
struct timeval tv = { 0xffffffff, 0xffffffff };
int r = real_gettimeofday(&tv, NULL);
assert(r == 0);
assert(tv.tv_sec != 0xffffffff);
assert(tv.tv_usec != 0xffffffff);
return from_timeval(&tv);
}
int gettimeofday(struct timeval *t, void *ttp) {
if(fast_gettimeofday) return fast_gettimeofday(t, ttp);
int rv = real_gettimeofday(t, ttp);
if(!initial) initial_tv.tv_sec = t->tv_sec;
else if (t->tv_sec - initial_tv.tv_sec > (MAX_STARTUP_TIME+1)) {
/* screwed it, we're just not going to win */
fast_gettimeofday = real_gettimeofday;
}
fast_gettimeofday = dlsym(RTLD_NEXT, "mtev_gettimeofday");
return rv;
}
int gettimeofday(struct timeval *tv, struct timezone *tz)
{
init_shared_memory_if_needed();
if (!(current_sim) && !real_gettimeofday) init_funcs();
if (!(current_sim)) {
return real_gettimeofday(tv, tz);
} else {
tv->tv_sec = *(current_sim);
*(current_micro) = *(current_micro) + 100;
tv->tv_usec = *(current_micro);
}
return 0;
}
/* This should be called with global_sem protection */
int get_new_thread_id(pthread_t *thread){
long long int map;
struct timeval l_tv;
map = sleep_map_array[0];
/* First 32 thread slots are for slurmd, last 32 ones for slurmctld */
if(slurmd_pid[0] == getpid())
map |= 0xFFFFFFFF00000000ULL;
else
map |= 0xFFFFFFFFULL;
map = ~map;
#if 0
real_gettimeofday(&l_tv, NULL);
sim_lib_printf(0, "[%ld-%ld] Using map: %016llx\n", l_tv.tv_sec, l_tv.tv_usec, map);
sim_lib_printf(0, "get_new_thread_id: [%16llx][%016llx], threads counter= %d\n", sleep_map_array[0], thread_exit_array[0], current_threads[0]);
#endif
/* Getting first slot available */
map = ffsll(map);
if(map == 0){
/*printf("WARNING!: space no available for a new threads. Current threads: %u\n", current_threads[0]);*/
return -1;
}
/* Bit 0 is bit 1(ffsll returns ordinal value) */
map = map - 1;
sleep_map_array[0] |= (1ULL << map);
current_threads[0]++;
if(current_threads[0] == 62){ /* 62 because we have slots for main slurmctl and slurmd threads */
printf("SIM ERROR: %d threads is not possible\n", current_threads[0]);
return -1;
}
return map;
}
