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Add NonStop KLT Configuration for new platform kernel treading model.

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This fix supports the new NonStop KLT threading model, including
configurations and documentation for using this model.

Fixes: fix-24175

Signed-off-by: Randall S. Becker <randall.becker@nexbridge.ca>

Reviewed-by: Neil Horman <nhorman@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/25016)
This commit is contained in:
Randall S. Becker 2024-04-18 05:11:42 +08:00 committed by Tomas Mraz
parent d677482b7e
commit ad1d0cc999
2 changed files with 38 additions and 0 deletions
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31
Configurations/50-nonstop.conf
View File

@ -173,6 +173,15 @@
ex_libs => '-lput',
},
######################################################################
# Build models
'nonstop-model-klt' => {
template => 1,
defines => ['_KLT_MODEL_',
'_REENTRANT', '_THREAD_SUPPORT_FUNCTIONS'],
ex_libs => '-lklt',
},
######################################################################
# Now for the entries themselves, let's combine things!
'nonstop-nsx' => {
@ -211,6 +220,28 @@
multibin => '64-put',
disable => ['atexit'],
},
'nonstop-nsx_64_klt' => {
inherit_from => [ 'nonstop-common',
'nonstop-archenv-x86_64-oss',
'nonstop-lp64-x86_64',
'nonstop-efloat-x86_64',
'nonstop-model-klt' ],
multilib => '64-klt',
multibin => '64-klt',
disable => ['atexit'],
},
'nonstop-nsx_g' => {
inherit_from => [ 'nonstop-common',
'nonstop-archenv-x86_64-guardian',
'nonstop-ilp32', 'nonstop-nfloat-x86_64' ],
disable => ['threads','atexit'],
},
'nonstop-nsx_g_tandem' => {
inherit_from => [ 'nonstop-common',
'nonstop-archenv-x86_64-guardian',
'nonstop-ilp32', 'nonstop-tfloat-x86_64' ],
disable => ['threads','atexit'],
},
'nonstop-nsv' => {
inherit_from => [ 'nonstop-nsx' ],
},

7
NOTES-NONSTOP.md
View File

@ -30,9 +30,16 @@ for each on the TNS/X (L-Series) platform:
* `nonstop-nsx` or default will select an unthreaded 32-bit build.
* `nonstop-nsx_64` selects an unthreaded 64-bit memory and file length build.
* `nonstop-nsx_64_klt` selects the 64-bit memory and file length KLT build.
* `nonstop-nsx_put` selects the PUT build.
* `nonstop-nsx_64_put` selects the 64-bit memory and file length PUT build.
The KLT threading model is a newly released model on NonStop. It implements
kernel-level threading. KLT provides much closer threading to what OpenSSL
uses for Linux-like threading models. KLT continues to use the pthread library
API. There is no supported 32-bit or Guardian builds for KLT. Note: KLT is
not currently available but is planned for post-2024.
The SPT threading model is no longer supported as of OpenSSL 3.2.
The PUT model is incompatible with the QUIC capability. This capability should