Enrico Fraccaroli
35 lines
857 B
C
35 lines
857 B
C
/// MentOS, The Mentoring Operating system project
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/// @file ioctl.c
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/// @brief
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/// @copyright (c) 2014-2021 This file is distributed under the MIT License.
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/// See LICENSE.md for details.
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#include "fs/ioctl.h"
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#include "process/scheduler.h"
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#include "system/printk.h"
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#include "stdio.h"
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#include "sys/errno.h"
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#include "fs/vfs.h"
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int sys_ioctl(int fd, int request, void *data)
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{
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// Get the current task.
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task_struct *task = scheduler_get_current_process();
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// Check the current FD.
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if (fd < 0 || fd >= task->max_fd) {
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return -EMFILE;
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}
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// Get the file descriptor.
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vfs_file_descriptor_t *vfd = &task->fd_list[fd];
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// Get the file.
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vfs_file_t *file = vfd->file_struct;
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if (file == NULL) {
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return -ENOSYS;
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}
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// Perform the ioctl.
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return vfs_ioctl(file, request, data);
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} |