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Run 'TZ=UTC0 admin/update-copyright $(git ls-files)'.
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Run admin/update-copyright.
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Most of this change is to boilerplate commentary such as license URLs.
This change was prompted by ftp://ftp.gnu.org's going-away party,
planned for November. Change these FTP URLs to https://ftp.gnu.org
instead. Make similar changes for URLs to other organizations moving
away from FTP. Also, change HTTP to HTTPS for URLs to gnu.org and
fsf.org when this works, as this will further help defend against
man-in-the-middle attacks (for this part I omitted the MS-DOS and
MS-Windows sources and the test tarballs to keep the workload down).
HTTPS is not fully working to lists.gnu.org so I left those URLs alone
for now.
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* src/eval.c (let_shadows_global_binding_p):
* src/print.c (write_string):
* src/systhread.c (sys_mutex_destroy, sys_thread_equal):
Remove.
* src/print.c (write_string): Rename from write_string_1.
All uses changed.
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Run admin/update-copyright in the master branch. This fixes files
that were not already fixed in the emacs-25 branch before it was
merged here.
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src/systhread.c (sys_cond_init): Set the 'initialized' member to
true only if initialization is successful. Initialize wait_count
and wait_count_lock.
(sys_cond_wait, sys_cond_signal, sys_cond_broadcast): If
'initialized' is false, do nothing.
(sys_cond_wait): Fix the implementation to avoid the "missed
wakeup" bug: count the waiting threads, and reset the broadcast
event once the last thread was released.
(sys_cond_signal, sys_cond_broadcast): Use SetEvent instead of
PulseEvent. Don't signal the event if no threads are waiting.
(sys_cond_destroy): Only close non-NULL handles.
(sys_thread_create): Return zero if unsuccessful, 1 if successful.
src/systhread.h (w32thread_cond_t): New member 'initialized'.
Rename waiters_count and waiters_count_lock to wait_count and
wait_count_lock, respectively.
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src/systhread.h (w32thread_critsect, w32thread_cond_t, sys_mutex_t)
(sys_cond_t, sys_thread_t) [WINDOWSNT]: New data types.
src/systhread.c (sys_mutex_init, sys_mutex_lock, sys_mutex_unlock)
(sys_mutex_destroy, sys_cond_init, sys_cond_wait)
(sys_cond_signal, sys_cond_broadcast, sys_cond_destroy)
(sys_thread_self, sys_thread_equal, w32_beginthread_wrapper)
(sys_thread_create, sys_thread_yield) [WINDOWSNT]: New functions.
configure.ac (THREADS_ENABLED): Enable threads for MinGW, even
if pthreads is not available.
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use prctl to pass the thread name to the OS, if possible
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This refactors systhread.h to move the notion of a "lisp mutex"
into thread.c. This lets us make make the global lock and
post_acquire_global_lock static.
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the global lock. The low-level support is a bit over-eager, in that
even at the end of the present series, it will not all be used. I
think thiat is ok since I plan to use it all eventually -- in
particular for the emacs lisp mutex implementation.
I've only implemented the pthreads-based version. I think it should
be relatively clear how to port this to other systems, though.
I'd also like to do a "no threads" port that will turn most things
into no-ops, and have thread-creation fail. I was thinking perhaps
I'd make a future (provide 'threads) conditional on threads actually
working.
One other minor enhancement available here is to make it possible to
set the name of the new thread at the OS layer. That way gdb, e.g.,
could display thread names.
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