int openFiles(int argc, char **argv) {
uint32_t pid;
char msg[128];
Stream *lcd;
pid = getCurrentPID();
lcd = svc_myFopen("/dev/lcd/lcd");
svc_myFopen("/dev/button/sw1");
svc_myCreate("dev/fs/data");
svc_myFopen("/dev/fs/data");
sprintf(msg, "Hello from PID %d. Leaving 3 files open, will be closed on kill.\r\n", (int) pid);
efputs(msg, STDOUT);
efflush(STDOUT);
svc_myFputs(msg, lcd);
sprintf(msg, "About to kill PID %d.\r\n", (int) pid);
efputs(msg, STDOUT);
efflush(STDOUT);
svc_myFputs(msg, lcd);
/* kill me */
svc_myKill(pid);
return 0;
}
int cmd_settimer(int argc, char *argv[], FILE *ostrm) {
#else
int cmd_settimer(int argc, char *argv[]) {
#endif
int res;
int count;
if (argc != 2) {
res = efputs("usage: settimer [count]\r\n", ostrm);
if (res == EOF) {
return WRITE_ERROR;
}
return WRONG_NUMBER_ARGS;
}
count = myAtoi(argv[1]);
if (count < 0 || count > 65535) {
res = efputs("Duration must be between 0 and 65535\r\n", ostrm);
if (res == EOF) {
return WRITE_ERROR;
}
return INVALID_INPUT;
}
interrupt_fired = 0;
svc_setTimer(count, my_timer_action);
while(!interrupt_fired) {
;
}
efputs("Interrupt Fired\r\n", STDOUT);
efflush(ostrm);
return SUCCESS;
}
int
file_flush(STRING * sval)
{
int ret = 0;
FILE_NODE *p = file_list;
size_t len = sval->len;
char *str = sval->str;
if (len == 0) {
/* for consistency with gawk */
ret = flush_all_output();
} else {
int found = 0;
while (p) {
if (IS_OUTPUT(p->type) &&
len == p->name->len &&
strcmp(str, p->name->str) == 0) {
found = 1;
if (efflush((FILE *) p->ptr) != 0)
ret = -1;
/* it's possible for a command and a file to have the same
name -- so keep looking */
}
p = p->link;
}
if (!found)
ret = -1;
}
return ret;
}
int
flush_all_output(void)
{
int ret = 0;
FILE_NODE *p;
for (p = file_list; p; p = p->link) {
if (IS_OUTPUT(p->type)) {
if (efflush((FILE *) p->ptr) != 0)
ret = -1;
}
}
return ret;
}
