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Author SHA1 Message Date
bors
20fd0c53ed auto merge of #4938 : thestinger/rust/no_zero, r=brson 
I removed the unused wrappers methods named `calloc` because they relied on the malloc wrapper having a `bool zero = true` default parameter (which resulted in some accidental zeroing). Perhaps wrapping the actual calloc function would be useful, but I don't know of an existing use case that could use it so I just removed these.

This gives an ~1% performance improvement for TreeMap, which does a lot of small allocations. Vectors use `realloc` which didn't zero before these changes so there's no measurable change in performance.
 2013-02-14 18:27:54 -08:00
Daniel Micay
2e0614750c get rid of unused exchange_alloc calloc method 
this isn't actually calloc - it calls the malloc wrapper which no
longer zeroes
 2013-02-14 18:24:52 -05:00
Zack Corr
ebd20b7944 Rename dec/inc_weak_task_count to inc/dec_live_count and remove register_task/unregister_task. Closes #4768 2013-02-09 19:19:31 +10:00
Brian Anderson
e43c5bdc6b Rewrite the exchange allocator to work without an active scheduler. #4457 2013-02-06 14:27:36 -08:00
Brian Anderson
4f6516969e rt: Remove ports 2013-02-01 21:22:49 -08:00
Brian Anderson
cc9ab2c033 Remove old comm-based weak task interface 2013-01-23 17:35:34 -08:00
Brian Anderson
b9608fe423 std: Convert uv_global_loop to use pipes 2013-01-23 17:35:34 -08:00
Brian Anderson
fb9299346a core: Convert getenv/setenv to use a mutex 
This much simpler implementation uses a global mutex
and eliminates the kernel environment channel.
 2013-01-23 17:35:34 -08:00
Brian Anderson
8852279a9e core: Add new weak task API 2013-01-23 17:35:31 -08:00
Brian Anderson
db1abbec4c core: Add private global data interface. #3915 2013-01-17 19:24:50 -08:00
Brian Anderson
ac435af73a Add at_exit function #4450 2013-01-15 18:00:19 -08:00
Brian Anderson
090b247056 Spawn new tasks onto the primary scheduler by default. #3760 2013-01-15 18:00:19 -08:00
Graydon Hoare
12c32e944d Add license boilerplate to more files. 2012-12-10 17:32:58 -08:00
Philipp Brüschweiler
68e755b1c2 core: Allocate threads on demand, not on scheduler startup 
API change: rust_kernel::create_scheduler() or
rust_scheduler::rust_scheduler() respecitevly now take ownership of the
launch factory argument, it is needed to create new threads on demand.

Also renames rustrt::sched_threads() to rustrt::rust_sched_threads() for
consistency. Added rustrt::rust_max_sched_threads() to return the
maximal number of scheduled threads of the current scheduler.

Fixes #3493.
 2012-09-19 14:01:53 -07:00
Ben Blum
3dc52da989 [4/4 for #2365, #2671] Reassign one last fixme to #908. Close #2365. Close #2671. 2012-07-20 19:23:19 -04:00
Ben Blum
af7b769465 [3/4 for #2365, #2671] Fix exit/kill race with scheds during rust_kernel::fail 2012-07-20 19:23:19 -04:00
Ben Blum
5bb4a12900 [1/4 for #2365, #2671] Fix create/kill race with schedulers and tasks during rust_kernel::fail 2012-07-20 19:23:19 -04:00
Ben Blum
cd38377b1b Add asserts to check fail_sched_loop() only once 2012-07-13 20:13:53 -04:00
Ben Blum
6fc730baf6 Cleanup failure handling around rust_new_task_in_sched - closes #2668 2012-06-28 19:02:48 -04:00
Graydon Hoare
312faf31df Tag all remaining FIXMEs with bugs. Install rule in tidy script to enforce this. 2012-06-21 16:44:10 -07:00
Tim Chevalier
c814df0bd6 Comments only: annotate FIXMEs 2012-06-21 16:03:28 -07:00
Michael Sullivan
4c0d41cffa Add a malloc_dyn upcall for dynamically sized allocations on the shared heap. 2012-06-13 17:59:21 -07:00
Brian Anderson
f717100fc7 rt: Start tasks, ports and scheds at 1, assert when we see 0. Closes #2321 2012-05-07 14:32:36 -07:00
Brian Anderson
46cc11ea88 core: Serialize all access to the environment using a weak global task 2012-04-30 17:34:29 -07:00
Jeff Olson
577b888e4b rt: remove unneccesary c++ functions and rust_kernel data, re: global loop 2012-04-27 22:19:30 -07:00
Jeff Olson
253fad7788 replace impl of globa_async_handle with one using atomic compare-and-swap 2012-04-20 15:23:22 -07:00
Jeff Olson
9a5d1974dc don't use ::malloc for initializing the global_async_handle in rust_kernel 2012-04-20 15:23:22 -07:00
Jeff Olson
e0f110aa12 clean and trying the global loop test as two separate loop lifetimes.. 
.. seeing an occasional valgrind/barf spew on some invalid read/writes..
need to investigate further.. i think its related to my poor citizen
conduct, re: pointers stashed in rust_kernel..
 2012-04-20 15:23:22 -07:00
Jeff Olson
c6667c06c3 add needed fields for global libuv loop + bindings to manage from rust 
adding two pointers fields to rust_kernel :(
.. have to do manual malloc/free for one of the fields, which feels wrong
 2012-04-20 15:23:21 -07:00
Brian Anderson
53f5c0c623 rt: Delete some incorrect comments 2012-04-20 14:00:13 -07:00
Brian Anderson
4357e1fd60 rt: Take the weak_task_lock in end_weak_tasks 
Don't remember why it's commented out. Probably an oversight.
 2012-04-20 13:59:31 -07:00
Brian Anderson
01dc4a8b26 core: Add priv::weaken_task 2012-04-07 19:56:41 -07:00
Brian Anderson
e325146eb4 Merge remote-tracking branch 'brson/mainthread' 
Conflicts:
	src/rt/rust_kernel.cpp
	src/rt/rust_scheduler.cpp
	src/rt/rust_scheduler.h
 2012-04-03 20:30:01 -07:00
Brian Anderson
4cf7efc8f7 rt: Fix bugs in the osmain scheduler 2012-04-03 20:24:29 -07:00
Brian Anderson
c0e12854ed rt: Fix bugs in the osmain scheduler 2012-04-03 18:01:13 -07:00
Brian Anderson
4f4b7b10bb rt: Futz with headers to satisfy FreeBSD 2012-04-03 16:02:38 -07:00
Jon Morton
72ffb4b446 fix 'I don't know how C works' 2012-04-03 16:02:38 -07:00
Jon Morton
632a4c9326 Refactor includes structure, getting rid of rust_internal.h 
Many changes to code structure are included:
- removed TIME_SLICE_IN_MS
- removed sychronized_indexed_list
- removed region_owned
- kernel_owned move to kernel.h, task_owned moved to task.h
- global configs moved to rust_globals.h
- changed #pragma once to standard guard in rust_upcall.h
- got rid of memory.h
 2012-04-03 16:02:38 -07:00
Brian Anderson
e1858882a4 rt: Run a single-threaded scheduler on the main thread 2012-04-02 15:35:47 -07:00
Jon Morton
bcb9269d84 rt: cleanup passing around of rust_env 2012-04-02 03:11:58 -05:00
Jon Morton
128a8b6ed5 remove rust_srv 2012-04-01 22:18:40 -05:00
Jon Morton
413994ea3e replace assertion macros with plain asserts 2012-04-01 21:14:16 -05:00
Brian Anderson
fb528dd7d6 rt: Allow some schedulers to stay alive even without tasks to execute 2012-04-01 16:57:14 -07:00
Brian Anderson
e78396850d Merge remote-tracking branch 'brson/mainthread' 
Conflicts:
	src/rt/rust_sched_loop.cpp
	src/rt/rust_shape.cpp
	src/rt/rust_task.cpp
 2012-04-01 00:15:04 -07:00
Brian Anderson
21064637ed rt: Fix whitespace 2012-03-31 23:12:06 -07:00
Brian Anderson
218dd08469 rt: Introduce rust_sched_reaper 
This just moves the responsibility for joining with scheduler threads
off to a worker thread. This will be needed when we allow tasks to be
scheduled on the main thread.
 2012-03-31 19:51:29 -07:00
Graydon Hoare
2aaca455b9 Tidy up multiple declarations and STDC_FOO_MACROS guards in headers. 2012-03-28 14:26:51 -07:00
Graydon Hoare
c141e7a068 Fix some gcc-4.4-isms, should build now on 4.1+. 2012-03-28 13:52:47 -07:00
Brian Anderson
b247de6458 rt: Remove lock_held_by_current_thread 2012-03-18 17:03:35 -07:00
Brian Anderson
c414b78afe rt: Remove the kernel task table 2012-03-15 11:10:52 -07:00