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* Implemented flock() semantics to the advisory locking backend. Not tested

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(must also compare to BSD; I've looked at their sources, but I might have
  missed something).
* Added sys/file.h and the flock() system call.
* common_fcntl() could forget to put back the file descriptor on some error
  conditions (I guess we should introduce and use a DescriptorGetter class).
* Cleaned up fcntl.h, moved the BSD extensions S_IREAD and S_IWRITE to
  sys/stat.h where they belong, and added the missing S_IEXEC to them.
* Added some more comments.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@23836 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
2008-02-03 15:37:31 +00:00
parent e5bc2a9e7a
commit a32a4683ff
8 changed files with 162 additions and 36 deletions
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headers/private/kernel/syscalls.h
+2 -1
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@@ -1,5 +1,5 @@
/*
* Copyright 2004-2007, Haiku Inc. All rights reserved.
* Copyright 2004-2008, Haiku Inc. All rights reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef _KERNEL_SYSCALLS_H
@@ -151,6 +151,7 @@ extern int _kern_open_parent_dir(int fd, char *name,
size_t nameLength);
extern status_t _kern_fcntl(int fd, int op, uint32 argument);
extern status_t _kern_fsync(int fd);
extern status_t _kern_flock(int fd, int op);
extern off_t _kern_seek(int fd, off_t pos, int seekType);
extern status_t _kern_create_dir_entry_ref(dev_t device, ino_t inode, const char *name, int perms);
extern status_t _kern_create_dir(int fd, const char *path, int perms);
headers/private/kernel/vfs.h
+2 -1
View File
@@ -1,5 +1,5 @@
/*
* Copyright 2002-2007, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
* Copyright 2002-2008, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
* Distributed under the terms of the MIT License.
*
* Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
@@ -145,6 +145,7 @@ int _user_open_dir(int fd, const char *path);
int _user_open_parent_dir(int fd, char *name, size_t nameLength);
status_t _user_fcntl(int fd, int op, uint32 argument);
status_t _user_fsync(int fd);
status_t _user_flock(int fd, int op);
status_t _user_read_stat(int fd, const char *path, bool traverseLink,
struct stat *stat, size_t statSize);
status_t _user_write_stat(int fd, const char *path, bool traverseLink,