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Added two open() versions to our kernel_interface, that re-try opening read-only, if desired. They are now used in BDirectory and BNode, which formerly failed on read-only devices.

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@2677 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold
2003-02-10 00:19:53 +00:00
parent 471e3978a1
commit 2af6058585
4 changed files with 47 additions and 4 deletions
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headers/private/storage/kernel_interface.h
+15 -1
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@@ -68,11 +68,25 @@ status_t stat_dev(dev_t dev, fs_info* info);
it doesn't already exist). */
status_t open(const char *path, OpenFlags flags, FileDescriptor &result);
/*! \brief Same as the other version of open() except the file is created with the
/*! \brief Same as the first version, but tries to open read-only, if
first the attempt failed with B_READ_ONLY_DEVICE or
B_PERMISSION_DENIED and \a fallBackToReadOnly is \c true.
*/
status_t open(const char *path, OpenFlags flags, FileDescriptor &result,
bool fallBackToReadOnly);
/*! \brief Same as the first version of open() except the file is created with the
permissions given by creationFlags if it doesn't exist. */
status_t open(const char *path, OpenFlags flags, CreationFlags creationFlags,
FileDescriptor &result);
/*! \brief Same as the third version, but tries to open read-only, if
first the attempt failed with B_READ_ONLY_DEVICE or
B_PERMISSION_DENIED and \a fallBackToReadOnly is \c true.
*/
status_t open(const char *path, OpenFlags flags, CreationFlags creationFlags,
FileDescriptor &result, bool fallBackToReadOnly);
/*! \brief Closes a previously open()ed file. */
status_t close( FileDescriptor file );