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* henrik/update-copyrightyear:
update copyright-year
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While we are it, also re-ident the files.
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Remove out-commented code. Make sure that comments that are not
at the end of a line starts with two '%' characters and not just
one. That will become important later when we'll remove all
?line macros and ask Emacs to re-indent the files.
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Those clause are obsolete and never used by common_test.
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Replace with io:format/2 or ct:pal/3.
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?config is ugly and not recommended. Use proplists:get_value/2
instead.
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As a first step to removing the test_server application as
as its own separate application, change the inclusion of
test_server.hrl to an inclusion of ct.hrl and remove the
inclusion of test_server_line.hrl.
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The OSE port is no longer supported and this commit removed it
and any changes related to it. The things that were general
improvements have been left in the code.
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* sverk/win-long-filenames/OTP-11813:
erts: Cleanup debug tracing in win_efile.c
erts: Fix file:list_dir for windows paths 258 or 259 chars long
erts: Increase MAXPATHLEN to 4096 for windows
erts: Fix bug in efile_readlink for long win paths
kernel: Fix failed tests in prim_file_SUITE for windows
erts: Fix compiler warning in win_efile.c
erts: Skip tests of paths longer than 255 characters as atoms
erts: Skip tests of file:set_cwd for too long path on Windows
erts: Make file:make_symlink/2 return {error,eperm} on Windows
erts: Revert file:set_cwd impl for windows
erts: Ignore reduntant slashes in windows paths
fix file_SUITE:cur_dir_0 for long windows paths
erts: Fix file_SUITE:make_del_dir for long paths
erts: Fix long windows paths for compressed files
erts: Use GetFullPathNameW to construct abs paths from relative ones
erts: Fix file driver to handle long paths on windows
Conflicts:
erts/emulator/drivers/win32/win_efile.c
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Several tests cases would typically fail because of a timetrap
timeout on our older test machines running with a Linux kernel
with a lower version than 2.6.30 and the ext3 file system.
In http://lwn.net/Articles/328363/, the author desribes peformance
issues with ext3 that were fixed in 2.6.30.
Since common_test nowadays has a default timetrap timeout, there
is no need to explicitly set a timeout in each test case (except
for prolonging the default timeout).
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This is to avoid lingering files on windows.
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This operation allows pre-allocation of space for files.
It succeeds only on systems that support such operation.
The POSIX standard defines the optional system call
posix_fallocate() to implement this feature. However,
some systems implement more specific functions to
accomplish the same operation.
On Linux, if the more specific function fallocate() is
implemented, it is used instead of posix_fallocate(),
falling back to posix_fallocate() if the fallocate()
call failed (it's only supported for the ext4, ocfs2,
xfs and btrfs file systems at the moment).
On Mac OS X it uses the specific fcntl() operation
F_PREALLOCATE, falling back to posix_fallocate() if
it's available (at the moment Mac OS X doesn't provide
posix_fallocate()).
On any other UNIX system, it uses posix_fallocate() if it's
available. Any other system not providing this system call
or any function to pre-allocate space for files, this operation
always fails with the ENOTSUP POSIX error.
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Check VM wordsize to see if a driver command with data
larger than 32-bit size is supposed to succeed. On
wordsize 4 machines (32-bit) {error,einval} is expected
since the total size passed to a driver can not exceed
sizeof(ErlDrvSizeT).
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Test writing slightly more than 4GB as an io list with smaller
binaries.
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Remove time_t = Sint64 | Uint32 testcase only.
The year 2040 does not exist on Sint32.
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* 'utc' changed to 'universal'
* 'epoch' changed to 'posix'
This change conforms to other naming already in OTP, e.g.
erlang:universaltime_to_localtime/1.
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Add an option that atomically tests for the existence of a file and
creates it if the file does not exist, by passing the O_EXCL flag
to open() on Unix and CREATE_NEW flag on Windows. Support for O_EXCL
varies across platforms and filesystems.
{ok, Fd} = file:open("/tmp/foo", [write,exclusive]),
{error, eexist} = file:open("/tmp/foo", [write,exclusive]).
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Useful for informing the Operating System about the access pattern
for a file's data, so that it can adapt the caching strategy to
maximize disk IO performance.
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file:datasync/1 invokes the POSIX system call "int fdatasync(int fd)".
This system call is similar to "fsync" but, unlike fsync, it does not
update the metadata associated with the file (like the access time for
example). It's used by many DBMSs (MySQL and SQLite of example) to
increase disk IO performance, as it avoids disk seeks and disk write
operations compared to fsync.
More details on it at:
http://linux.die.net/man/2/fdatasync
An example, from the MySQL source:
http://bazaar.launchpad.net/~mysql/mysql-server/mysql-5.1-telco-6.1/annotate/head%3A/mysys/my_sync.c#L61
This new function just calls fsync on systems not implementing fdatasync.
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* bg/file-del_dir:
Adjust test of file:del_dir("..") to accept {error,einval}
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On FreeBSD, file:del_dir("..") will return {error,einval} rather
than the expected {error,eexist}, and so will file:del_dir("../.."),
and so on.
It could be argued that we should change the implementation of
file:del_dir/1 to remap the error code (as some other error codes
are remapped to reduce the differences between different platforms),
but the consistency gained does not seem to be worth the effort.
Therefore, until we'll find a real-world use case where it is
essential to have consistent error codes for file:del_dir("..") on
all platforms, change the test case to accept both errors.
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