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root/kernel/syscalls/flock.c

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DEFINITIONS

This source file includes following definitions.
  1. sys_flock

   1 /*
   2  * fiwix/kernel/syscalls/flock.c
   3  *
   4  * Copyright 2018, Jordi Sanfeliu. All rights reserved.
   5  * Distributed under the terms of the Fiwix License.
   6  */
   7 
   8 #include <fiwix/fs.h>
   9 #include <fiwix/process.h>
  10 #include <fiwix/locks.h>
  11 #include <fiwix/errno.h>
  12 
  13 #ifdef __DEBUG__
  14 #include <fiwix/stdio.h>
  15 #endif /*__DEBUG__ */
  16 
  17 int sys_flock(int ufd, int op)
  18 {
  19         struct inode *i;
  20 
  21 #ifdef __DEBUG__
  22         printk("(pid %d) sys_flock(%d, %d)\n", current->pid, ufd, op);
  23 #endif /*__DEBUG__ */
  24 
  25         CHECK_UFD(ufd);
  26         i = fd_table[current->fd[ufd]].inode;
  27         return flock_inode(i, op);
  28 }

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