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Author SHA1 Message Date
Gareth Rees
75be2830a0 Branching master to branch/2018-06-27/job004056. 
Copied from Perforce
 Change: 194240
 2018-06-27 14:53:21 +01:00
Gareth Rees
70c6338f9e Clarify some assertion conditions. 
Copied from Perforce
 Change: 194194
 2018-06-26 12:36:53 +01:00
Gareth Rees
78a544c11a Return resparam for consistency with other describe functions. 
Copied from Perforce
 Change: 194167
 2018-06-26 09:11:57 +01:00
Gareth Rees
af4dceecd9 Test cases for errors in finalization. 
Copied from Perforce
 Change: 194166
 2018-06-26 09:01:46 +01:00
Gareth Rees
b873c82d99 Use unsigned for rootvar and locusprefkind typedefs. 
Copied from Perforce
 Change: 194161
 2018-06-26 08:48:31 +01:00
Gareth Rees
7b754520fd Consistent order to prologue: include "mpm.h"; platform check; include other mps headers; include system headers; srcid. 
Copied from Perforce
 Change: 194107
 2018-06-23 11:31:57 +01:00
Gareth Rees
30245c19b1 Avoid duplicate tag nams. 
Copied from Perforce
 Change: 194081
 2018-06-22 09:45:24 +01:00
Gareth Rees
4d197feb99 Minor design improvements. 
Copied from Perforce
 Change: 194075
 2018-06-21 21:08:57 +01:00
Gareth Rees
5ee971981f Fix markup errors. 
Copied from Perforce
 Change: 194070
 2018-06-21 20:48:34 +01:00
Gareth Rees
bd5a075fd2 In gcc 7.3, -wextra sets -wimplicit-fallthough=3, which is rather strict about the format of the "fall through" comment. 
Copied from Perforce
 Change: 194064
 2018-06-21 17:38:27 +01:00
Gareth Rees
2e63bc2b64 Bring design.mps.sp.sol.depth.analysis up to date. 
Copied from Perforce
 Change: 194012
 2018-06-20 12:55:45 +01:00
Gareth Rees
6d3b228200 Fix issues identified in review by apt. 
Copied from Perforce
 Change: 193982
 2018-06-19 14:51:56 +01:00
Gareth Rees
4d52bf19c5 Forktest passes without the need for polling. 
Copied from Perforce
 Change: 193964
 2018-06-19 08:59:00 +01:00
Gareth Rees
c6af54572d No need for empty atfork handlers, can pass null to pthread_atfork. 
Copied from Perforce
 Change: 193963
 2018-06-19 08:57:26 +01:00
Gareth Rees
63c4dc804d Add history entry. 
Copied from Perforce
 Change: 193943
 2018-06-18 20:22:00 +01:00
Gareth Rees
89a4b0378a Simplify the wasmarked protocol. 
Copied from Perforce
 Change: 193940
 2018-06-18 20:03:13 +01:00
Gareth Rees
bdf27a99af Correct reason for why function/23.c does not pass. 
Copied from Perforce
 Change: 193881
 2018-06-18 13:18:28 +01:00
Gareth Rees
6590875176 Fix copy-paste error. 
Copied from Perforce
 Change: 193880
 2018-06-18 13:18:02 +01:00
Gareth Rees
76b082ab3c Assertions on the critical path. 
Copied from Perforce
 Change: 193879
 2018-06-18 13:17:42 +01:00
Gareth Rees
012e5de843 Fix some rst errors. 
Copied from Perforce
 Change: 193862
 2018-06-16 19:10:33 +01:00
Gareth Rees
9c5277bdc9 Improve formatting of design docs. 
Copied from Perforce
 Change: 193857
 2018-06-16 18:48:50 +01:00
Gareth Rees
66e0f89c29 Procedure for adding a new smoke test. 
Copied from Perforce
 Change: 193850
 2018-06-15 16:00:09 +01:00
Gareth Rees
80589960d0 Forktest relies on polling, so needs the =p flag. 
Copied from Perforce
 Change: 193847
 2018-06-15 15:57:23 +01:00
Gareth Rees
f5ffaeb349 Mach_thread_self() can in theory "return mach_port_null if a resource shortage prevented the reception of the send right" so add a check in each case. (there's nothing we can do about it but at least we can notice.) 
Copied from Perforce
 Change: 193831
 2018-06-15 12:54:28 +01:00
Gareth Rees
e9d454d796 It's safe to register a thread multiple times on macos, so there is no need for the guard. 
Copied from Perforce
 Change: 193828
 2018-06-15 12:44:51 +01:00
Gareth Rees
1ad6c163c0 Cross-reference from release notes to supported platforms. 
Copied from Perforce
 Change: 193827
 2018-06-15 12:42:49 +01:00
Gareth Rees
307bc47730 Rename "mac os x" and "os x" to "macos", except for a few cases where for historical accuracy we want to continue to refer to the former name. 
Copied from Perforce
 Change: 193821
 2018-06-15 12:15:36 +01:00
Gareth Rees
601984eb73 Merge branch/2018-06-13/fork. 
Copied from Perforce
 Change: 193816
 2018-06-15 11:41:32 +01:00
Gareth Rees
81874fdf08 Fix typo. 
Copied from Perforce
 Change: 193811
 2018-06-15 11:15:42 +01:00
Gareth Rees
b0a73a5c71 Refactor atfork code to improve separation of concerns. 
Copied from Perforce
 Change: 193806
 2018-06-15 10:58:33 +01:00
Gareth Rees
4eeac719ad Start the collection and dereference the objects in the parent as well as the child. 
Copied from Perforce
 Change: 193800
 2018-06-15 10:06:59 +01:00
Gareth Rees
ad432cf7c4 Fix issues identified in review by nb. 
Copied from Perforce
 Change: 193793
 2018-06-14 19:31:30 +01:00
Gareth Rees
b1ac192a9a Update design history. restore accidentally removed check. 
Copied from Perforce
 Change: 193787
 2018-06-14 17:55:03 +01:00
Gareth Rees
3829b5a2a1 Fix rst error; only need to flag forking thraed on macos. 
Copied from Perforce
 Change: 193784
 2018-06-14 17:50:29 +01:00
Gareth Rees
6fda834973 Improve comments. 
Copied from Perforce
 Change: 193783
 2018-06-14 17:44:41 +01:00
Gareth Rees
8686ffc625 Add a section on fork safety to the manual. 
Copied from Perforce
 Change: 193776
 2018-06-14 17:18:08 +01:00
Gareth Rees
612b44060f Fix ansi build. 
Copied from Perforce
 Change: 193769
 2018-06-14 16:58:24 +01:00
Gareth Rees
b5e1965b3d Avoid compilation errors from latest msvc. 
Copied from Perforce
 Change: 193768
 2018-06-14 16:54:33 +01:00
Gareth Rees
f92f645f63 Support for fork on linux and freebsd. 
Copied from Perforce
 Change: 193765
 2018-06-14 16:47:23 +01:00
Gareth Rees
e70b4c273c Take locks before fork(), release them in the parent and reinitialize them in the child. 
Add forktest target to the Xcode project.
Write design for fork safety and cross-reference from the code.
Update release notes.

Copied from Perforce
 Change: 193760
 2018-06-14 16:25:08 +01:00
Gareth Rees
2401957e62 Extend forktest so that it does allocation before the fork and collection afterwards; this ensures that we hit the read barrier and thus exercise the exception handling. 
After forking in the child, re-create exception port and exception thread, and re-register the (only) thread with that port.

Copied from Perforce
 Change: 193755
 2018-06-14 12:54:35 +01:00
Gareth Rees
8146970622 Add fork test case (fails on os x if pthread_atfork is not called). 
pthread_atfork handlers on OS X: in the child, update the mach port for the forking thread and move all other threads to the dead ring.

Copied from Perforce
 Change: 193746
 2018-06-13 17:09:07 +01:00
Gareth Rees
ff8c75b0ec Fix typo in user guide: "stack_root" not "reg_root". 
Copied from Perforce
 Change: 193741
 2018-06-13 15:42:23 +01:00
Gareth Rees
a9b6bad3a0 Branching master to branch/2018-06-13/fork. 
Copied from Perforce
 Change: 193731
 2018-06-13 14:06:46 +01:00
Gareth Rees
9de5c1dfbe Avoid using deprecated function mps_fix and deprecated macro mps_fix in the test cases; use mps_fix12 instead. 
Copied from Perforce
 Change: 193726
 2018-06-13 13:59:14 +01:00
Gareth Rees
f294e06f1c Add cross-references from mps_arena_has_addr to mps_addr_pool (and vice versa), to decrease the likelihood that developers will miss these functions. 
Copied from Perforce
 Change: 193721
 2018-06-13 10:56:47 +01:00
Gareth Rees
8b5079d23b Make mps manual sphinx extensions compatible with recent versions of sphinx: 
1. Don't use the html_use_smartypants directive (smartquotes are on by default now).
2. Don't call make_admonition but inherit from BaseAdmonition instead.
3. Set the title of an admonition via the visit method instead of hacking the title node (which is now non-existent as a result of item 2).

Copied from Perforce
 Change: 193550
 2018-02-12 16:49:42 +00:00
Gareth Rees
4e5c8c54ce Avoid warning about duplicate definition of class functin. 
Copied from Perforce
 Change: 193549
 2018-02-12 16:39:16 +00:00
Gareth Rees
1a73a6e986 Format methods must be async-signal-safe on posix. 
Copied from Perforce
 Change: 193472
 2017-12-21 14:04:47 +00:00
Gareth Rees
36955b7bcb Platforms fri3ll and fri6ll are supported, so add them to overview. 
Copied from Perforce
 Change: 193383
 ServerID: perforce.ravenbrook.com
 2017-11-03 14:34:20 +00:00