NOSSEMA_t POSCALL nosSemaCreate(INT_t initcount, UVAR_t options,
const char *name)
{
POSSEMA_t sem;
REGELEM_t re;
re = nos_regNewSysKey(REGTYPE_SEMAPHORE,
name == NULL ? (const char*)"s*" : name);
if (re == NULL)
return NULL;
(void) options;
sem = posSemaCreate(initcount);
if (sem == NULL)
{
nos_regDelSysKey(REGTYPE_SEMAPHORE, NULL, re);
}
else
{
nos_regEnableSysKey(re, sem);
POS_SETEVENTNAME(sem, re->name);
}
return (NOSSEMA_t) sem;
}
void netInit()
{
POSTASK_t t;
int i;
uipGiant = posSemaCreate(0);
uipMutex = posMutexCreate();
pollTicks = INFINITE;
P_ASSERT("netInit", uipGiant != NULL && uipMutex != NULL);
POS_SETEVENTNAME(uipGiant, "uip:giant");
POS_SETEVENTNAME(uipMutex, "uip:mutex");
// uosFS setup
netFS.base.mountPoint = "/socket";
netFS.base.cf = &netFSConf;
uosMount(&netFS.base);
// Initialize contiki-style timers (used by uip code)
etimer_init();
dataToSend = 0;
for(i = 0; i < UIP_CONNS; i++)
uip_conns[i].appstate.file = NULL;
#if UIP_UDP
for(i = 0; i < UIP_UDP_CONNS; i++)
uip_udp_conns[i].appstate.file = NULL;
#endif /* UIP_UDP */
netInterfaceInit();
uip_init();
#if NETSTACK_CONF_WITH_IPV6 == 0
uip_arp_init();
#endif
t = posTaskCreate(netMainThread, NULL, NETCFG_TASK_PRIORITY, NETCFG_STACK_SIZE);
P_ASSERT("netInit2", t != NULL);
POS_SETTASKNAME(t, "uip:main");
}
void POSCALL nos_initRegistry(void)
{
NOSREGTYPE_t rt;
reglist_free_g = NULL;
reglist_sema_g = posSemaCreate(1);
while (reglist_sema_g == NULL);
POS_SETEVENTNAME(reglist_sema_g, "registry sync");
for (rt = MIN_REGTYPE; rt <= MAX_REGTYPE; ++rt)
reglist_syselem_g[rt] = NULL;
}
UosFile* netSockAlloc(NetSockState initialState)
{
int slot;
UosFile* file = uosFileAlloc();
if (file == NULL)
return NULL;
slot = UOS_BITTAB_ALLOC(netSocketTable);
if (slot == -1) {
uosFileFree(file);
nosPrintf("netSockAlloc: table full\n");
return NULL;
}
NetSock* sock = UOS_BITTAB_ELEM(netSocketTable, slot);
sock->state = initialState;
sock->mutex = posMutexCreate();
sock->sockChange = posFlagCreate();
sock->uipChange = posFlagCreate();
sock->timeout = INFINITE;
sock->buf = NULL;
sock->len = 0;
sock->max = 0;
P_ASSERT("netSockAlloc", sock->mutex != NULL && sock->sockChange != NULL && sock->uipChange != NULL);
POS_SETEVENTNAME(sock->mutex, "sock:mutex");
POS_SETEVENTNAME(sock->sockChange, "sock:api");
POS_SETEVENTNAME(sock->uipChange, "sock:uip");
file->fs = &netFS.base;
file->cf = &netSockConf;
file->fsPriv = sock;
return file;
}
NOSFLAG_t POSCALL nosFlagCreate(const char* name)
{
POSFLAG_t flg;
REGELEM_t re;
re = nos_regNewSysKey(REGTYPE_FLAG,
name == NULL ? (const char*)"f*" : name);
if (re == NULL)
return NULL;
flg = posFlagCreate();
if (flg == NULL)
{
nos_regDelSysKey(REGTYPE_FLAG, NULL, re);
}
else
{
nos_regEnableSysKey(re, flg);
POS_SETEVENTNAME(flg, re->name);
}
return (NOSFLAG_t) flg;
}
NOSMUTEX_t POSCALL nosMutexCreate(UVAR_t options, const char *name)
{
POSMUTEX_t mtx;
REGELEM_t re;
re = nos_regNewSysKey(REGTYPE_MUTEX,
name == NULL ? (const char*)"m*" : name);
if (re == NULL)
return NULL;
(void) options;
mtx = posMutexCreate();
if (mtx == NULL)
{
nos_regDelSysKey(REGTYPE_MUTEX, NULL, re);
}
else
{
nos_regEnableSysKey(re, mtx);
POS_SETEVENTNAME(mtx, re->name);
}
return (NOSMUTEX_t) mtx;
}
