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Conflicts:
erts/emulator/drivers/win32/win_efile.c
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First stage in utc-time for prim_file.
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IPV6 was disabled in cache when it should actually be supported
Cache updated to disable all sctp for configure speed
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Almost all uses of the 'long' datatype is removed from VM and tests
Emulator test now runs w/o drivers crashing
Nasty abs bug fixed in VM as well as type errors in allocator debug functions
Still one allocator test that fails, domain knowledge is needed to fix that.
Fix type inconsistency in beam_load causing crashes
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Removed symbolic links from repository.
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Can still not setup -a, but cerl works.
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Still does not run, just compiles.
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* ta/sendfile/OTP-9240: (31 commits)
Add sendfile server printouts
Skip recv/send during tests for fallback platforms
Remove header/trailer support
Remove windows implementation
Expand sendfile documentation
Only allow tcp sockets as target for sendfile
Move sendfile api to file module
Preliminary work on header/trailer
Use free_sendfile explicitly for non-async
Remove debug printouts
Add tests for send/recv/sendfile interactions
Remove tests for file_server sendfile
sendfile caller now has to be the controlling_process
Remove support for file_server, sendfile has to be raw
Set chunk size to 3 GB
Change type of fd to be ErlDrvEvent
Add ifdef's for HAVE_SENDFILE
Fix freebsd support for sendfile
Change nbytes to 64 bit
Implement ignorefd for TCP
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Commit 8781932b3b8769b6f208ac7c00471122ec7dd055 broke
erlang:system_info(system_version) in the non-SMP emulator so
that it would typically dump core.
"rq:%d" was removed from the format string for erts_printf(),
but the corresponding argument in the argument list was not removed,
which ultimately caused "kernel-poll:%s" to be passed an integer
(typically 0).
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Since the API for headers/trailers seem to be very awkward to
work with when using non-blocking io the feature is dropped
for now. See unix_efile.c for more details.
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Have to figure out how to represent progress in header writing when
using non-blocking, not sure how to do this.
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This is needed because aync job will not call free_sendfile
if there is an async_ready callback.
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It is not possible to use the maximum size_t/off_t for the chunks
as that causes sendfile to return einval. 3GB seems to work on all
*nix platforms.
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Ignore fd is a feature used by sendfile to temporarily remove
all driver_select calls on that fd so that another driver can
select on it. It also delays all actions which sends or receives
data in that fd until in the fd is no longer ignored.
Only the controlling_process should use the feature as it is otherwise
possible that the ignore will never be cleaned up and hence create
a memory leak in the driver.
An ignored driver will not detect that an fd has been closed until
it is unignored.
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When there are no async threads sendfile will use the
ready_output select on the socket fd to know when to send
data.
The file_desc will also be put in the sending sendfile_state
which buffers all other commands to that file until the
sendfile is done.
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Move sendfile data to invoke data instead of file_descr.
Remove usage of ready_output when doing a send.
If told to send 0 bytes, file_sendfile now sends the entire file
for linux.
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outputv will always be used so removed output to decrease
confusion.
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Move the command handling to outputv in preparation for
header and trailer inclusion in the sendfile api.
Use the standard efile communication functions for sendfile.
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Created erlang fallback for sendfile in gen_tcp and
moved sendfile from file to gen_tcp. Also created testcases
for testing all different options to sendfile.
For info about how sendfile should work see the BSD man pages
as they contain a more complete API than other *nixes.
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Seems to apply to Sparc and ARM as well (even if not observed).
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* bjorn/dialyzer-warnings:
erlang: Eliminate a clause in aa_mem_data/2 that can never match
Add type info for erlang:system_info({allocator_sizes,ref(),any()})
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* rickard/deprecate-runtime-binding/OTP-9749:
Deprecate erlang:system_flag/2 arguments scheduler_bind_type and cpu_topology
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* rickard/rm-common-runq/OTP-9727:
Remove common run-queue in SMP case
Fix scheduler suspend bug
Conflicts:
erts/emulator/beam/erl_init.c
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The use of erlang:system_flag(scheduler_bind_type, _) and
erlang:system_flag(cpu_topology, _) have been deprecated and scheduled
for removal in erts-5.10/OTP-R16. For more information see the
documentation of erlang:system_flag/2.
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The common run-queue implementation is removed since it is unused,
untested, undocumented, unsupported, and only complicates the code.
A spinlock used by the run-queue management sometimes got heavily
contended. This code has now been rewritten, and the spinlock
has been removed.
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Calls to erlang:system_flag(schedulers_online, N) and/or
erlang:system_flag(multi_scheduling, block|unblock) could cause
internal data used by this functionality to get into an inconsistent
state. When this happened various problems occurred. This bug was
quite hard to trigger, so hopefully no-one has been effected by it.
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aa_mem_data/2 is only called by aa_mem_data/1 and itself.
aa_mem_data/1 called with the argument 'notsup' will never
call aa_mem_data/2. aa_mem_data/2 will only call itself with
a #memory{} record as the first argument. QED.
Noticed-by: Dialyzer.
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* rickard/default-unbound/OTP-9726:
Use unbound schedulers as default
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* rickard/pix-mutex/OTP-9723:
Fix warning when lock-checker is enabled
Replace spinlock with mutex as pix_lock implementation
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