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272 Commits

Author SHA1 Message Date
occheung 3ecbe53f76 riscv32: env call on context switch 2021-10-08 11:00:30 +08:00
occheung 17ba0a3429 riscv32: align stack to 4k boundary 2021-10-08 10:59:40 +08:00
occheung 9748bb8af8 add riscv32 2021-08-20 17:42:16 +08:00
edef 099bc28867 Ensure arch:👿:StackPointer has defined representation 2019-11-08 01:20:00 +00:00
edef 17c41ce777 Use core::mem::ManuallyDrop instead of implementing our own NoDrop 2019-11-08 00:58:48 +00:00
Gerd Zellweger 5849a2d330 Replace simd with packed_simd 
The simd crate no longer builds, as of Rust 1.33 nightly, due to the 
removal of compiler features that it depends on. packed_simd is the 
recommended replacement.
 2019-11-08 00:53:38 +00:00
Gerd Zellweger cf299f8413 Fix AtomicUsize deprecation warning. 2019-02-08 15:04:26 +00:00
Gerd Zellweger ea15bf5e33 Remove cfg_target_vendor attribute. 2019-02-08 15:04:26 +00:00
Gerd Zellweger 13e92dad88 Remove SIMD non-unix dev dependencies. 2019-02-08 15:04:26 +00:00
Gerd Zellweger 9ca9c72e0e Fix to work with new allocator APIs. 2019-02-08 15:04:26 +00:00
Mark Swanson 1d97ab9d02 Support nightly-may-16-2018 2018-05-26 14:22:15 +00:00
edef b79dcf3d79 Handle liballoc changes 2017-09-10 11:50:21 +02:00
edef 87452b58e0 Remove NoDrop's unnecessary empty variant 2017-03-17 01:52:19 +01:00
edef 409451c32c Rename NoDrop's field to `inner` 2017-03-17 01:51:57 +01:00
edef 246b9d32ec Replace the stack trace in the README with a modern one 2017-03-16 22:53:34 +01:00
edef df7f261ca6 Expose unsafe_unwrap 
This at least ensures we don't have to needlessly leak generators in the
tests, and covers similar use cases for consumers of libfringe.
 2017-03-16 22:40:20 +01:00
edef d49557a55a Require Stack to be 'static 
Our strategy of leaking the Stack to ensure safety is only effective if
the lifetime of the underlying stack memory is controlled by the
destructor of the Stack. We don't add this bound to unsafe_new, so that
users who wish to provide the necessary guarantees themselves can do so.
 2017-03-16 22:40:20 +01:00
edef 277e786d3f Panic when an unfinished Generator is dropped 2017-03-16 22:40:20 +01:00
edef 4813dd7411 Leak the stack if it's unsafe to drop it 
We can't free the stack before the generator has returned, or been
unwound. Without unwinding, the only safe course of action is to leak
it.
 2017-03-16 22:40:20 +01:00
edef 785c7b516a Add tests for Generator::unwrap 2017-03-09 07:59:55 +01:00
edef dcde4fe920 Don't use unsafe for the forget_yielded test 
Now that the Send bound is gone, we can simply use a Cell instead of a
raw pointer.
 2017-03-06 09:21:08 +01:00
edef 661872f725 Don't implement Send at all 
On hosted platforms, libstd allows safely borrowing values from TLS with
'thread lifetime and without a Sync bound. As a result, we can't
guarantee that sending a generator across threads won't create dangling
references or data races. In freestanding environments, the notion of
thread-safety is likely to be defined by the consumer of libfringe,
so our Send bounds and implementation are unlikely to be meaningful
anyway.
 2017-03-06 09:21:08 +01:00
edef 34ab0dc2cd Fix should_panic attributes 2017-02-25 14:24:36 +01:00
edef d07fcea0eb bound fail again -> bound to fail again 2016-12-02 15:27:02 -05:00
Amanieu d'Antras 74c4444a7f Inline the swap trampoline on x86_64 and AArch64 2016-11-02 00:15:15 -04:00
whitequark 243e9ffc6c Implement Eq on generator::State. 2016-10-01 18:25:32 -04:00
Amanieu d'Antras f9b6cd17f6 Allow Generator to have !Send inputs and outputs 
close #55
 2016-09-30 21:41:26 -04:00
Amanieu d'Antras fc4cdbf4f5 Clean up the stack implementations 
close #54
 2016-09-30 21:39:15 -04:00
edef 1783c25c46 Implement Send for Generator 2016-09-22 14:03:46 -04:00
edef 19ec5ef45b Make the passed Yielder borrow immutable [breaking-change] 
Yielder::suspend only requires an immutable reference, and allowing
mem::replace on the yielder isn't very useful.
 2016-09-22 14:03:46 -04:00
edef 045ad33785 Ensure that the Input/Output types outlive the generator [breaking-change] 
Previously, it was possible to cause unsafety by sending a short-lived
value into or out of the generator.
 2016-09-22 14:03:46 -04:00
edef 59f28e92cb Ensure that the closure outlives the generator [breaking-change] 
Previously, it was possible to cause unsafety by having the closure
refer to values with lifetimes that weren't enclosed by the generator's
lifetime.
 2016-09-22 14:03:46 -04:00
edef adb29eade7 Fix the variance of Input/Output 2016-09-22 13:43:34 -04:00
edef 22b16732f7 v1.2.1 2016-09-22 13:42:27 -04:00
whitequark 809215921b Unbreak or1k. 
close #53
 2016-09-22 13:41:26 -04:00
edef 84d6cef719 Add IRCCloud badge [skip-ci] 2016-09-22 13:39:32 -04:00
edef 95b7d9fd14 Set use_notice for Travis CI notifications [skip-ci] 2016-09-22 13:39:32 -04:00
edef 81d9af30fe Set skip_join for Travis CI notifications [skip-ci] 2016-09-22 13:39:32 -04:00
edef 4e55e2b651 Use PhantomData-of-tuple instead of tuple-of-PhantomData 2016-09-22 13:02:35 -04:00
edef 7efb3218c4 v1.2.0 2016-09-09 11:08:55 -04:00
edef 51282fbf7a add @Amanieu to the license file [skip ci] 2016-09-09 11:06:59 -04:00
Amanieu d'Antras 40e955638e Add support for AArch64 
close #43
 2016-09-09 10:59:35 -04:00
Amanieu d'Antras fff625767c Clean up and simplify the implementation of generators 2016-09-09 10:59:35 -04:00
Amanieu d'Antras f7f209c1eb Add proper CFI annotations to the inline asm 
This ensures that gdb is able to generate a correct backtrace when
stopped at any instruction in the inline asm.

It also makes backtraces accessible to tools that only track frame
pointer chains, like perf or dtrace.

close #49
 2016-09-09 10:59:19 -04:00
edef 0a99491f70 v1.1.0 2016-09-06 23:38:32 -04:00
whitequark 231bc3cc46 Yielder: use Cell internally to allow suspending via multiple borrows. 
The use case is as follows: let's say I have a scheduler that uses
libfringe for context switching. A single thread may open several
sockets, each of which presents a std::io::Read interface, and
waiting in Read::read requires having a reference to the yielder
inside the socket.

This could be worked around with RefCell in the API consumer, but
there is no real reason to not implement it in libfringe.

close #48
 2016-09-06 23:37:33 -04:00
edef a292648e8e v1.0.5 2016-09-04 08:05:35 -04:00
whitequark f82d0e2c21 Bring back workarounds for Mach-O assembly syntax. 2016-09-04 07:18:55 -04:00
whitequark 491af39fc9 Radically simplify stack linking. 
This commit:

  * Gets rid of 2nd init trampoline.
  * Gets rid of any custom CFI, instead using the standard CFI
    for target prologue.
  * Makes backtraces accessible to tools that only track frame
    pointer chains, like perf or dtrace.
  * Keeps the performance at the exact same level.
 2016-09-04 07:18:55 -04:00
Steve Klabnik 0ccf72fcb3 Fix link to Stack in readme 
close #46
 2016-09-04 02:59:29 -04:00