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72 lines
1.4 KiB
72 lines
1.4 KiB
/*
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* UCW Library -- Configuration files: Contexts
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*
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* (c) 2012 Martin Mares <mj@ucw.cz>
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*
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* This software may be freely distributed and used according to the terms
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* of the GNU Lesser General Public License.
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*/
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#include <ucw/lib.h>
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#include <ucw/conf.h>
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#include <ucw/conf-internal.h>
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#include <ucw/threads.h>
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static struct cf_context cf_default_context;
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static void
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cf_init_context(struct cf_context *cc)
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{
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cc->enable_journal = 1;
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clist_init(&cc->conf_entries);
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}
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struct cf_context *
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cf_new_context(void)
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{
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struct cf_context *cc = xmalloc_zero(sizeof(*cc));
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cf_init_context(cc);
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return cc;
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}
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void
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cf_delete_context(struct cf_context *cc)
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{
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ASSERT(!cc->is_active);
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ASSERT(cc != &cf_default_context);
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struct cf_context *prev = cf_switch_context(cc);
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cf_revert();
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cf_switch_context(prev);
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xfree(cc->parser);
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xfree(cc);
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}
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struct cf_context *
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cf_switch_context(struct cf_context *cc)
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{
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struct ucwlib_context *uc = ucwlib_thread_context();
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struct cf_context *prev = uc->cf_context;
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if (prev)
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prev->is_active = 0;
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if (cc)
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{
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ASSERT(!cc->is_active);
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cc->is_active = 1;
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}
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uc->cf_context = cc;
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return prev;
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}
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static void CONSTRUCTOR_WITH_PRIORITY(10100)
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cf_init_default_context(void)
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{
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cf_init_context(&cf_default_context);
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ucwlib_thread_context()->cf_context = &cf_default_context;
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cf_default_context.is_active = 1;
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}
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struct cf_context *
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cf_obtain_context(void)
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{
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return cf_get_context();
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}
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