Esempi in C++ (Cpp) per fd_array_close

Esempio n. 1

File: file.c Progetto: islandlee/homework

// close file
int
file_close(int fd) {
    int ret;
    struct file *file;
    if ((ret = fd2file(fd, &file)) != 0) {
        return ret;
    }
    fd_array_close(file);
    return 0;
}

Esempio n. 2

File: fs.c Progetto: lishuhuakai/CS

void
files_closeall(struct files_struct *filesp) {
//    cprintf("[files_closeall]\n");
    assert(filesp != NULL && files_count(filesp) > 0);
    int i;
    struct file *file = filesp->fd_array;
    //skip the stdin & stdout
    for (i = 2, file += 2; i < FILES_STRUCT_NENTRY; i ++, file ++) {
        if (file->status == FD_OPENED) {
            fd_array_close(file);
        }
    }
}

Esempio n. 3

File: fs.c Progetto: lishuhuakai/CS

//Called when a proc exit
void
files_destroy(struct files_struct *filesp) { // 用于销毁文件
//    cprintf("[files_destroy]\n");
    assert(filesp != NULL && files_count(filesp) == 0);
    if (filesp->pwd != NULL) { // 如果当前目录不为空
        vop_ref_dec(filesp->pwd);
    }
    int i;
    struct file *file = filesp->fd_array;
    for (i = 0; i < FILES_STRUCT_NENTRY; i ++, file ++) {
        if (file->status == FD_OPENED) {
            fd_array_close(file); // 关闭每一个文件
        }
        assert(file->status == FD_NONE);
    }
    kfree(filesp);
}