mirror of
https://github.com/reactos/ccache.git
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95 lines
2.1 KiB
C
95 lines
2.1 KiB
C
/*
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* Copyright (C) 2010, 2012 Joel Rosdahl
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 3 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc., 51
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* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "ccache.h"
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struct exit_function {
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void (*function)(void *);
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void *context;
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struct exit_function *next;
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};
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struct nullary_exit_function {
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void (*function)(void);
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};
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static struct exit_function *exit_functions;
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static void
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call_nullary_exit_function(void *context)
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{
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struct nullary_exit_function *p = (struct nullary_exit_function*)context;
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p->function();
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free(p);
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}
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/*
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* Initialize exit functions. Must be called once before exitfn_add* are used.
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*/
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void
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exitfn_init(void)
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{
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if (atexit(exitfn_call) != 0) {
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fatal("atexit failed: %s", strerror(errno));
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}
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}
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/*
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* Add a nullary function to be called when ccache exits. Functions are called
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* in reverse order.
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*/
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void
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exitfn_add_nullary(void (*function)(void))
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{
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struct nullary_exit_function *p = x_malloc(sizeof(*p));
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p->function = function;
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exitfn_add(call_nullary_exit_function, p);
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}
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/*
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* Add a function to be called with a context parameter when ccache exits.
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* Functions are called in reverse order.
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*/
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void
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exitfn_add(void (*function)(void *), void *context)
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{
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struct exit_function *p;
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p = x_malloc(sizeof(*p));
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p->function = function;
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p->context = context;
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p->next = exit_functions;
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exit_functions = p;
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}
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/*
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* Call added functions.
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*/
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void
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exitfn_call(void)
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{
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struct exit_function *p = exit_functions, *q;
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while (p) {
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p->function(p->context);
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q = p;
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p = p->next;
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free(q);
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}
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exit_functions = NULL;
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}
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