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| author | Erlang/OTP <[email protected]> | 2010-06-07 14:24:46 +0000 |
|---|---|---|
| committer | Erlang/OTP <[email protected]> | 2010-06-07 14:24:46 +0000 |
| commit | 3e97f3dc6ad63707d283e7b9924df5cc8eb13a84 (patch) | |
| tree | 0e66d4f9eeb04605fde8089332bd38aed8fdc653 /lib/kernel/test/prim_file_SUITE.erl | |
| parent | 4f63a79d28435659af11fa94ed93f670a6759f4a (diff) | |
| parent | bac96ae5bb5bfaa0c160a603c6db01dbcd7c83df (diff) | |
| download | otp-3e97f3dc6ad63707d283e7b9924df5cc8eb13a84.tar.gz otp-3e97f3dc6ad63707d283e7b9924df5cc8eb13a84.tar.bz2 otp-3e97f3dc6ad63707d283e7b9924df5cc8eb13a84.zip | |
Merge branch 'ms/file-exclusive-mode' into dev
* ms/file-exclusive-mode:
Update preloaded modules
Support opening files in exclusive mode
OTP-8670 ms/file-exclusive-mode
There is a new option 'exclusive' to file:open/2 that uses the OS O_EXCL
flag where supported to open the file in exclusive mode.
Diffstat (limited to 'lib/kernel/test/prim_file_SUITE.erl')
| -rw-r--r-- | lib/kernel/test/prim_file_SUITE.erl | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/lib/kernel/test/prim_file_SUITE.erl b/lib/kernel/test/prim_file_SUITE.erl index 21bdc06fdc..1688ec45ca 100644 --- a/lib/kernel/test/prim_file_SUITE.erl +++ b/lib/kernel/test/prim_file_SUITE.erl @@ -35,7 +35,7 @@ file_write_file_info_a/1, file_write_file_info_b/1]). -export([rename_a/1, rename_b/1, access/1, truncate/1, datasync/1, sync/1, - read_write/1, pread_write/1, append/1]). + read_write/1, pread_write/1, append/1, exclusive/1]). -export([errors/1, e_delete/1, e_rename/1, e_make_dir/1, e_del_dir/1]). -export([compression/1, read_not_really_compressed/1, @@ -385,7 +385,7 @@ win_cur_dir_1(_Config, Handle) -> files(suite) -> [open,pos,file_info,truncate,sync,datasync,advise]. open(suite) -> [open1,modes,close,access,read_write, - pread_write,append]. + pread_write,append,exclusive]. open1(suite) -> []; open1(doc) -> []; @@ -610,6 +610,22 @@ append(Config) when is_list(Config) -> ?line test_server:timetrap_cancel(Dog), ok. +exclusive(suite) -> []; +exclusive(doc) -> "Test exclusive access to a file."; +exclusive(Config) when is_list(Config) -> + ?line Dog = test_server:timetrap(test_server:seconds(5)), + ?line RootDir = ?config(priv_dir,Config), + ?line NewDir = filename:join(RootDir, + atom_to_list(?MODULE) + ++"_exclusive"), + ?line ok = ?PRIM_FILE:make_dir(NewDir), + ?line Name = filename:join(NewDir, "ex_file.txt"), + ?line {ok,Fd} = ?PRIM_FILE:open(Name, [write, exclusive]), + ?line {error, eexist} = ?PRIM_FILE:open(Name, [write, exclusive]), + ?line ok = ?PRIM_FILE:close(Fd), + ?line test_server:timetrap_cancel(Dog), + ok. + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% pos(suite) -> [pos1,pos2]. |