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Fold 2.1.6 NEWS changes

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* NEWS: Fold 2.1.6 changes into main 2.2 NEWS.
This commit is contained in:
Andy Wingo 2017-02-18 09:21:04 +01:00
parent bfa6c401ce
commit db502f118e
1 changed files with 16 additions and 46 deletions
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62
NEWS
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@ -8,57 +8,12 @@ Please send Guile bug reports to bug-guile@gnu.org.
Changes in 2.1.7 (changes since the 2.1.6 alpha release):
* New deprecations
** `SCM_FDES_RANDOM_P'
Instead, use `lseek (fd, 0, SEEK_CUR)' directly.
* FIXME fold in 2.1.6 changes to main NEWS
Changes in 2.1.6 (changes since the 2.1.5 alpha release):
* New interfaces
** suspendable-continuation?
This predicate returns true if the delimited continuation captured by
aborting to a prompt would be able to be resumed. See "Prompt
Primitives" in the manual for more.
** scm_c_prepare_to_wait_on_fd, scm_c_prepare_to_wait_on_cond,
** scm_c_wait_finished
See "Interrupts" in the manual for more.
* Performance improvements
** Support unboxed floating-point comparisons
Thanks to David Thompson for this work.
* New deprecations
* Incompatible changes
** Rename new array functions
See "Arrays as arrays of arrays" in the manual for more.
* Bug fixes
** `scm_gc_warn_proc' writes directly to stderr
The garbage collector sometimes has warnings to display to the user.
Before, Guile would see if the current warning port was a file port, and
in that case write the warning to that file, and otherwise default to
stderr. Now Guile just writes to stderr, fixing a bug where determining
the current warning port would allocate and thus deadlock as the GC
warnings are issued with the GC lock held.
** Fix miscompilation in significant-bits computation for loop vars
** Fix many threading bugs
** Fix macOS portability bugs
Thanks to Matt Wette!
Previous changes in 2.1.x (changes since the 2.0.x series):
@ -316,6 +271,17 @@ See "R6RS Transcoders" in the manual.
See "Atomics" in the manual.
** suspendable-continuation?
This predicate returns true if the delimited continuation captured by
aborting to a prompt would be able to be resumed. See "Prompt
Primitives" in the manual for more.
** scm_c_prepare_to_wait_on_fd, scm_c_prepare_to_wait_on_cond,
** scm_c_wait_finished
See "Interrupts" in the manual for more.
** File descriptor finalizers
See "Ports and File Descriptors" in the manual.
@ -816,6 +782,10 @@ scm_t_debug_info', `scm_pure_generic_p', `SCM_PUREGENERICP',
Instead, use the symbol values `none', `line', or `block', respectively,
as arguments to the `setvbuf' function.
** `SCM_FDES_RANDOM_P'
Instead, use `lseek (fd, 0, SEEK_CUR)' directly.
** Arbiters
Arbiters were an experimental mutual exclusion facility from 20 years