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This creates a struct tgroup_info which knows the thread ID of the first thread in a group, and the number of threads in it. For now there's only one thread group supported in the configuration, but it may be forced to other values for development purposes by defining MAX_TGROUPS, and it's enabled even when threads are disabled and will need to remain accessible during boot to keep a simple enough internal API. For the purpose of easing the configurations which do not specify a thread group, we're starting group numbering at 1 so that thread group 0 can be "undefined" (i.e. for "bind" lines or when binding tasks). The goal will be to later move there some global items that must be made per-group.
39 lines
1.4 KiB
C
39 lines
1.4 KiB
C
/*
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* include/haproxy/tinfo.h
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* Export of ha_thread_info[] and ti pointer.
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*
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* Copyright (C) 2020 Willy Tarreau - w@1wt.eu
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation, version 2.1
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* exclusively.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _HAPROXY_TINFO_H
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#define _HAPROXY_TINFO_H
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#include <haproxy/api.h>
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#include <haproxy/tinfo-t.h>
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/* the structs are in thread.c */
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extern struct tgroup_info ha_tgroup_info[MAX_TGROUPS];
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extern THREAD_LOCAL const struct tgroup_info *tg;
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extern struct thread_info ha_thread_info[MAX_THREADS];
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extern THREAD_LOCAL const struct thread_info *ti; /* thread_info for the current thread */
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extern struct thread_ctx ha_thread_ctx[MAX_THREADS];
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extern THREAD_LOCAL struct thread_ctx *th_ctx; /* ha_thread_ctx for the current thread */
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#endif /* _HAPROXY_TINFO_H */
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