int sched_setuptaskfiles(FAR _TCB *tcb)
{
/* Allocate file descriptors for the TCB */
#if CONFIG_NFILE_DESCRIPTORS > 0
tcb->filelist = files_alloclist();
if (!tcb->filelist)
{
return -ENOMEM;
}
#endif
/* Allocate socket descriptors for the TCB */
#if CONFIG_NSOCKET_DESCRIPTORS > 0
tcb->sockets = net_alloclist();
if (!tcb->sockets)
{
return -ENOMEM;
}
#endif
/* Duplicate the parent task's file descriptors */
sched_dupfiles(tcb);
/* Duplicate the parent task's socket descriptors */
sched_dupsockets(tcb);
/* Allocate file/socket streams for the new TCB */
#if CONFIG_NFILE_STREAMS > 0
return sched_setupstreams(tcb);
#else
return OK;
#endif
}
int sched_setupidlefiles(FAR _TCB *tcb)
{
#if CONFIG_NFILE_DESCRIPTORS > 0 && defined(CONFIG_DEV_CONSOLE)
int fd;
#endif
#if CONFIG_NFILE_DESCRIPTORS > 0
/* Allocate file descriptors for the TCB */
tcb->filelist = files_alloclist();
if (!tcb->filelist)
{
return -ENOMEM;
}
#endif /* CONFIG_NFILE_DESCRIPTORS */
#if CONFIG_NSOCKET_DESCRIPTORS > 0
/* Allocate socket descriptors for the TCB */
tcb->sockets = net_alloclist();
if (!tcb->sockets)
{
return -ENOMEM;
}
#endif /* CONFIG_NSOCKET_DESCRIPTORS */
#if CONFIG_NFILE_DESCRIPTORS > 0 && defined(CONFIG_DEV_CONSOLE)
/* Open stdin, dup to get stdout and stderr. This should always
* be the first file opened and, hence, should always get file
* descriptor 0.
*/
fd = open("/dev/console", O_RDWR);
if (fd == 0)
{
/* Successfully opened /dev/console as stdin (fd == 0) */
(void)file_dup2(0, 1);
(void)file_dup2(0, 2);
}
else
{
/* We failed to open /dev/console OR for some reason, we opened
* it and got some file descriptor other than 0.
*/
if (fd >- 0)
{
slldbg("Open /dev/console fd: %d\n", fd);
(void)close(fd);
}
else
{
slldbg("Failed to open /dev/console: %d\n", errno);
}
return -ENFILE;
}
#if CONFIG_NFILE_STREAMS > 0
/* Allocate file strems for the TCB */
return sched_setupstreams(tcb);
#else
return OK;
#endif /* CONFIG_NFILE_STREAMS */
#else
return OK;
#endif /* CONFIG_NFILE_DESCRIPTORS && CONFIG_DEV_CONSOLE */
}
