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Still towards close/flush.

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This commit is contained in:
Bahadir Balban
2008-04-25 23:06:23 +01:00
parent c9b9f9d111
commit f183b3c15e
2 changed files with 33 additions and 24 deletions
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28
tasks/mm0/src/file.c
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@@ -257,14 +257,38 @@ int write_file_pages(struct vm_file *vmfile, unsigned long pfn_start,
return 0;
}
int do_flush_file_pages(struct vm_file *vmfile)
int flush_file_pages(struct vm_file *vmfile)
{
}
int sys_close(void)
int sys_close(l4id_t sender, int fd)
{
struct tcb *task;
struct vm_file *f;
int retval, err;
/* Get the task */
BUG_ON(!(task = find_task(sender)));
/* Check fd validity */
if (fd < 0 || fd > TASK_FILES_MAX || !task->fd[fd].vmfile) {
retval = -EBADF;
goto out;
}
/* Finish I/O on file */
f = task->fd[fd].vmfile;
if ((err = flush_file_pages(f)) < 0) {
retval = err;
goto out;
}
out:
l4_ipc_return(retval);
return 0;
}
int sys_flush(void)
{
}