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681c063ec0
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60 Commits

Author SHA1 Message Date
Eric Holk
681c063ec0 Conservatively serialize nearly all upcalls. Successfuly ran make check with RUST_THREADS=8, so we're probably fairly safe now. In the future we can relax the synchronization to get better performance. 2011-06-27 09:58:39 -07:00
Eric Holk
4d99bf9af2 Added some locking to ports to prevent the case where two threads simultaneously wake up a task blocked on a certain port. 2011-06-27 09:58:39 -07:00
Eric Holk
4bc773465f Basic multithreading support. The infinite loops test successfully maxes out the CPU. 2011-06-27 09:58:39 -07:00
Eric Holk
67360ae618 Fixed a problem where spawn arguments were getting lost again. Also, fixed up stack alignment, which closes #496 2011-06-15 18:16:59 -07:00
Eric Holk
01ea27b205 Step 1 of moving task startup to always be cdecl. 2011-06-15 12:10:15 -07:00
Eric Holk
d1857d30fc This is the mega-ucontext commit. It replaces the task switching mechanism with a new one inspired by ucontext. It works under Linux, OS X and Windows, and is Valgrind clean on Linux and OS X (provided the runtime is built with gcc). 
This commit also moves yield and join to the standard library, as requested in #42. Join is currently a no-op though.
 2011-06-13 18:14:13 -07:00
Eric Holk
d49998f0ed Switching over to wrappers for spawning functions of multiple arguments. Doesn't quite work yet. 2011-05-27 15:20:58 -07:00
Eric Holk
dad426419c Working on 2 argument spawn. The arguments seem to be copied correctly once, but then they get lost. 2011-05-27 15:20:58 -07:00
Graydon Hoare
79c9e13073 More delicious dead code removal from runtime, upcalls. 2011-05-26 18:21:02 -07:00
Rafael Ávila de Espíndola
de2e84e5b0 Only one gc glue. 2011-05-24 18:52:31 -04:00
Rafael Ávila de Espíndola
ac836dd79c There is only one yield glue. 2011-05-24 18:29:08 -04:00
Rafael Ávila de Espíndola
b1292580b9 Remove dead code for unwind_glue. 2011-05-24 17:28:37 -04:00
Rafael Ávila de Espíndola
fe90159b86 "constant propagate" rust_new_exit_task_glue to its only use. 2011-05-24 15:51:22 -04:00
Rafael Ávila de Espíndola
cebc9b359d Remove dead rustboot code. 2011-05-18 13:48:57 -04:00
Rafael Ávila de Espíndola
8df37716ce Fix OS X build. 2011-05-05 23:16:59 -04:00
Rafael Ávila de Espíndola
d6deeffd95 Change the setup so that rust_activate_glue returns to rust_exit_task_glue 
and rust_exit_task_glue calls the rust main.

This is simpler since we only need to setup one frame. It also matches
what ld.so does, so gdb is happy and stops a backtrace at rust_exit_task_glue
instead of continuing past whatever function happened to be before
rust_exit_task_glue is the object file.

This is the rt part and should be merged after the rust0 part.
 2011-05-05 15:46:10 -07:00
Graydon Hoare
895ec07453 Try to fail nicely, again. 2011-05-04 15:04:53 +00:00
Rafael Ávila de Espíndola
5617462388 Remove unused variable. 2011-05-03 11:06:57 -04:00
Rafael Ávila de Espíndola
a3ff02f126 Split start into rustc and rustboot versions. This introduces a bit of 
duplication, but we will hopefully drop the rustboot one soon.

This is also a preparation for changing the rustc one to have the activate glue
return to the exit glue which will then call the main function.

This (returning to the function that calls main) matches what happens when
loader stats a program or a new thread. It lets gdb produce good backtraces
and should help with EH too.
 2011-05-03 10:24:18 -04:00
Marijn Haverbeke
880be6a940 Overhaul logging system in runtime 
See https://github.com/graydon/rust/wiki/Logging-vision

The runtime logging categories are now treated in the same way as
modules in compiled code. Each domain now has a log_lvl that can be
used to restrict the logging from that domain (will be used to allow
logging to be restricted to a single domain).

Features dropped (can be brought back to life if there is interest):
  - Logger indentation
  - Multiple categories per log statement
  - I possibly broke some of the color code -- it confuses me
 2011-04-19 16:57:13 +02:00
Patrick Walton
fee88f79f5 rt: Remove half-baked, incomplete, commented-out print_stack_trace() stub 2011-04-14 11:35:22 -07:00
Patrick Walton
65b7578851 rustc: Remove generalize_ty. Instead, maintain an explicit type parameter substitution list. 2011-04-14 11:24:25 -07:00
Marijn Haverbeke
973023030e add -O2 when compiling rt, fix warnings triggered by optimizer 2011-04-08 00:41:52 +02:00
Marijn Haverbeke
9a7576fe2c Move to macro-based logging checks in the C++ code 
No functions should be called for log statements that turn out to be
inactive.
 2011-04-07 15:15:30 -07:00
Graydon Hoare
a154c5b656 Um, that'd be, align the word *before* retpc. Addresses point to the low part of a word. Un-XFAIL nbody on Darwin. 2011-03-30 14:10:06 -07:00
Graydon Hoare
3e7b991d49 Ensure task stacks start out with a 16-byte aligned entry frame. Should make OSX behave a bit better. 2011-03-30 13:04:18 -07:00
Graydon Hoare
af4d6ae76b Add ABI tagging to crates, adjust rustc output and runtime stack-frame setup so access to argv works. 2011-02-22 16:37:27 -08:00
Graydon Hoare
aaa6965794 Fix typo in rust_task::start. Should be copying 1 fewer initial arg. 2011-02-21 18:55:08 -08:00
Graydon Hoare
d55bee4417 Further corrections to the logging layer in runtime. 2011-01-14 16:50:37 -08:00
Brian Anderson
73fd87baf5 Don't attempt to wake tasks that aren't blocked. 
It's possible for a supervised task to kill and wake its supervising
task then immediately try to wake it again if the supervising task
has joined the supervised. This is the easiest way to prevent that.
 2011-01-03 10:59:00 -08:00
Graydon Hoare
26ecec4e12 Update frame logic to be compatible with SysV x86 ABI. Improves diagnostics. 2010-11-16 13:51:32 -08:00
Patrick Walton
94cec74096 Try to print backtraces on failure 2010-10-11 16:40:18 -07:00
Graydon Hoare
b970563fe3 Patchwork of attempted fixes to effect system and gc system; eventually give up and disable it entirely in the runtime. Will need extensive reworking. 2010-09-29 17:22:13 -07:00
Michael Bebenita
a493350eb5 Cleanup, refactoring, and some runtime tests. 2010-09-10 14:38:31 -07:00
Michael Bebenita
743ca289b6 Cache task handles. 2010-09-08 21:25:16 -07:00
Michael Bebenita
de611a3090 Lots of design changes around proxies and message passing. Made it so that domains can only talk to other domains via handles, and with the help of the rust_kernel. 2010-09-07 18:44:12 -07:00
Michael Bebenita
b03812af2b Change signature of array_list::pop(). 2010-09-07 18:41:08 -07:00
Patrick Walton
fac28ad42f Disable task-growing logic for now until #151 is fixed 2010-08-20 11:05:06 -07:00
Michael Bebenita
e20752de68 Added labels to blocking conditions. 2010-08-17 23:49:57 -07:00
Michael Bebenita
988695a96c Added support for task sleeping in the scheduler. 2010-08-11 21:24:04 -07:00
Graydon Hoare
dbe8760af3 Merge commit 'jyasskin/work' 
Conflicts:
	src/rt/rust_dom.cpp
	src/rt/rust_upcall.cpp
 2010-08-10 13:26:00 -07:00
Michael Bebenita
97d6342bf0 Synthesize a flush_chan upcall right before a channel's ref_count drops to zero. This should only happen in the Rust code and not in the drop glue, or on the unwind path. This change allows the task owning the channel to block on a flush and delete its own channel. This change also cleans up some code around rust_port and rust_chan. 2010-08-09 08:15:34 -07:00
Michael Bebenita
5917ca3519 Fixed deadlock in the scheduler caused by condition variables. 2010-08-09 08:06:08 -07:00
Michael Bebenita
30734a9a7b Some pretty printing in the runtime. 2010-08-09 07:52:07 -07:00
Jeffrey Yasskin
b71340552f Add names to tasks and domains. These can either be an explicit literal string 
after the "spawn" keyword, or implicitly the call expression used to start the
spawn.
 2010-08-09 11:43:16 +02:00
Graydon Hoare
0b9c882d66 Log join-wait count under rust_log::TASK bits, not ::ALL. 2010-07-29 10:41:22 -07:00
Michael Bebenita
4246d567b7 Move ports out into their own file, add data_message and make communication system use it (and proxies) instead of existing token scheme. 2010-07-28 20:30:29 -07:00
Michael Bebenita
4ff8e15128 Move notification-messages out into their own file and unify into notify_message, make them use proxies, cache task proxies in dom. 2010-07-28 20:30:29 -07:00
Michael Bebenita
defd8a66ea Rename rust_proxy_delegate to maybe_proxy, flesh out logic in it. Add strong-ref distinction on rust_proxy. 2010-07-28 20:30:29 -07:00
Michael Bebenita
5db5eb0c55 Null rust_task::cond on wakeup, add asserts and logging to block/wakeup. 2010-07-28 20:30:29 -07:00