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70 Commits

Author SHA1 Message Date
Angus Salkeld
121abe3dbe RB: use internal reclaim function 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2012-07-17 12:22:26 +10:00
Angus Salkeld
22569f51ba Add user control of the permissions that are set on the shared mem files 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2012-06-13 08:21:09 +10:00
Angus Salkeld
3369581066 RB: use the same mechanism in reclaim as read/peek to detect end-of-ring 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2012-06-07 12:02:32 +10:00
Angus Salkeld
85b39906a9 RB: fix compiler warning. 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2012-05-28 19:10:13 +10:00
Andrew Beekhof
77fa3650dd RB: Read the file size into an initialized variable of the correct size 2012-05-28 12:25:10 +10:00
Angus Salkeld
e0bc3a15ce RB: to be safer save the read and write pointers at the top of the blackbox 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2012-05-25 14:01:19 +10:00
Angus Salkeld
a8405ab06d blackbox: fix the print_from_file() 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2012-05-24 19:22:55 +10:00
Angus Salkeld
4fdabe5bed RB: add an option to not use any semaphores 
(brought over from the "speed" branch)

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2012-05-24 19:16:59 +10:00
Angus Salkeld
3f4a175312 IPC: make it possible for a root client to talk to a non-root server. 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2012-04-30 08:25:57 +10:00
Angus Salkeld
2ae58d2472 RB: fix test failure on ppc 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2012-03-07 11:37:12 +11:00
Angus Salkeld
9027c3531b RB: change the name of the size to word_size to be more clear 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2012-03-07 10:34:19 +11:00
Angus Salkeld
2a0cdd8f5f RB: add a debug message if trying to read a message of the wrong size 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2012-02-14 16:43:50 +11:00
Angus Salkeld
2b2dfd5d2c RB: use the proper struct not the typedef in the implementation. 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2012-02-08 22:00:50 +11:00
Angus Salkeld
dff3ff4afe RB: Fix potential mem leak 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2012-02-08 22:00:50 +11:00
Angus Salkeld
7a6382f0b6 Use safer versions of string functions (strcpy -> strlcpy) 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2012-02-08 22:00:49 +11:00
Angus Salkeld
477fac4e01 IPC: fix resource cleanup if the server dies 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2012-01-12 15:09:58 +11:00
Angus Salkeld
ab3dc60f7f Merge some portability changes from the mingw branch 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-12-21 14:23:43 +11:00
Angus Salkeld
ef77398738 Fix errors found by api-sanity-autotest 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-11-25 17:16:19 +11:00
miz-take
fcd96fc8e0 Improve the error handling esp. after failed malloc's 
Reviewed-by: Angus Salkeld <asalkeld@redhat.com>
 2011-11-08 09:50:38 +11:00
Angus Salkeld
98493d9ae8 Change Lindent options to break the procedure type. 
so change:
int foo(void)

to

int
foo(void)

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-06-22 14:19:14 +10:00
Angus Salkeld
77b6e15a85 Consistently prepend "qb-" to files in /dev/shm 
Dietmar: can you confirm this works for you?

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-06-20 16:36:26 +10:00
Angus Salkeld
4a3536e72c Re-fix mmap() woes on sparc. 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-06-07 19:53:26 +10:00
Angus Salkeld
34e9820230 Revert "Fix ringbuffer creation on sparc" 
This reverts commit 683296f180.
 2011-06-03 22:43:09 +10:00
Angus Salkeld
683296f180 Fix ringbuffer creation on sparc 
On the first call to qb_rb_open() we try using a number of
page sizes. This because the system might have CONFIG_HUGETLB_PAGE_SIZE
defined in their kernel. So even though sysconf() returns 2K or 4K
some arch's mmap() require alignment on these boundaries.

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-06-02 11:42:14 +10:00
Angus Salkeld
9666c392cb Fix some spelling. 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-06-02 11:40:39 +10:00
Angus Salkeld
da150fcb22 IPC: misc cleanup & logging improvements 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-05-31 19:03:50 +10:00
Виноградов Василий
8880465924 RB: More consistent behavior when closing a ringbuffer 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-05-30 21:16:35 +10:00
Angus Salkeld
da5ea1345e Remove all the C++ comments 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-05-26 10:39:36 +10:00
Jim Meyering
d8a7fffd4d qb_rb_write_to_file clean-up 
* lib/ringbuffer.c (qb_rb_write_to_file): Remove dead initialization
and redundant "result < 0" tests.

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-05-24 09:45:17 +10:00
Angus Salkeld
6acc19bdc3 COV 10: fix mem leaks in qb_rb_create_from_file() 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-05-20 21:31:29 +10:00
Angus Salkeld
8b5d664876 COV 9: fix mem leak in qb_rb_open error condition 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-05-20 21:31:29 +10:00
Angus Salkeld
943b1c646b fix the FIXME's Jim pointed out 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-05-18 11:11:14 +10:00
Jim Meyering
9c467cb150 add FIXME comments for other NULL-deref-upon-OOM problems 
* lib/ipc_us.c (handle_new_connection):
* lib/loop_job.c (qb_loop_jobs_create):
* lib/loop_poll.c (qb_loop_poll_create):
* lib/loop_timerlist.c (qb_loop_timer_create):
* lib/ringbuffer.c (qb_rb_open):
* lib/ipcc.c (qb_ipcc_connect): Likewise.

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-05-17 21:32:29 +10:00
Angus Salkeld
191b71a8b7 LOG: add a new "tags" field 
this is a tags that is used by the caller to:
- define the message as an external message (needs free'ing)
- define a feature or susbsytem that can be printed in the log message.

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-03-31 21:37:44 +11:00
Angus Salkeld
3452d162d2 LOG: add a qb_perror() function 
- Add an internal version too
- Update the library code to use it.

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-03-28 11:12:47 +11:00
Angus Salkeld
a215e856d8 LOG: fix splint warnings 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-03-27 21:01:11 +11:00
Angus Salkeld
f86c96bee1 LOG: add a blackbox 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-03-25 23:40:53 +11:00
Angus Salkeld
fa892f679c RB: add a function to get the reference count. 
Really handy to see if the peer is "connected".

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-12-16 22:09:52 +11:00
Angus Salkeld
3d7f619968 RB: fix munmap size (else shared mem not freed correctly) 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-11-16 14:36:25 +11:00
Angus Salkeld
17c0cbda61 Fix some error handling in RB & IPC 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-11-16 14:36:25 +11:00
Angus Salkeld
a0f043f424 RB: check for NULL on close 
this just saves the user from doing this.

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-11-12 15:15:30 +11:00
Angus Salkeld
0207003da5 RB: don't be so timid on shutdown 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-11-02 23:19:26 +11:00
Angus Salkeld
dd64dbe18d RB: improve debug message 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-10-27 11:33:48 +11:00
Angus Salkeld
cdc953384f Fix or ignore splint errors 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-10-22 14:50:04 +11:00
Angus Salkeld
548be1f66e RB: use the semaphore to return chunks_used. 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-10-19 07:05:55 +11:00
Angus Salkeld
6b1164effc RB: remove locking from ringbuffer. 
make ref_count atomic

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-10-19 07:05:55 +11:00
Angus Salkeld
c4614afa79 RB: prevent fd's from been leaked 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-10-19 07:05:55 +11:00
Angus Salkeld
6c03aa8cb6 IPC/RB: name the ringbuffer's files better. 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-10-19 07:05:55 +11:00
Angus Salkeld
45c41935b7 RB: return EAGAIN not ENOMEM if no space on the rb. 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-10-12 21:53:53 +11:00
Angus Salkeld
8d3ec80c19 RB: add support for shared user data. 
(I need this for flow control)

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-10-12 21:53:53 +11:00