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/*
* This file is part of LEM, a Lua Event Machine.
* Copyright 2011-2012 Emil Renner Berthing
*
* LEM is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* LEM is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with LEM. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _LEM_H
#define _LEM_H
#include <ev.h>
#include <lua.h>
#include <lauxlib.h>
/* Support gcc's __FUNCTION__ for people using other compilers */
#if !defined(__GNUC__) && !defined(__FUNCTION__)
# define __FUNCTION__ __func__ /* C99 */
#endif
/* Built-time assertions */
#define LEM_BUILD_ASSERT__(prefix, line) prefix##line
#define LEM_BUILD_ASSERT_(prefix, line) LEM_BUILD_ASSERT__(prefix, line)
#define LEM_BUILD_ASSERT(x) \
typedef int LEM_BUILD_ASSERT_(lem_assert_, __LINE__)[(x) ? 1 : -1]
#ifdef NDEBUG
#define lem_debug(...)
#else
#define lem_debug(fmt, ...) do { \
printf("%s (%s:%u): " fmt "\n", \
__FUNCTION__, __FILE__, __LINE__, ##__VA_ARGS__); \
fflush(stdout); } while (0)
#endif
#if EV_MINPRI == EV_MAXPRI
# undef ev_priority
# undef ev_set_priority
# define ev_priority(pri)
# define ev_set_priority(ev, pri)
#endif
#if EV_MULTIPLICITY
extern struct ev_loop *lem_loop;
# define LEM lem_loop
# define LEM_ LEM,
#else
# define LEM
# define LEM_
#endif
struct lem_async {
void (*work)(struct lem_async *a);
void (*reap)(struct lem_async *a);
struct lem_async *next;
};
void *lem_xmalloc(size_t size);
lua_State *lem_newthread(void);
void lem_forgetthread(lua_State *T);
void lem_queue(lua_State *T, int nargs);
void lem_exit(int status);
void lem_async_run(struct lem_async *a);
void lem_async_config(int delay, int min, int max);
static inline void
lem_async_do(struct lem_async *a,
void (*work)(struct lem_async *a),
void (*reap)(struct lem_async *a))
{
a->work = work;
a->reap = reap;
lem_async_run(a);
}
#endif
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