[babeltrace.git] / include / babeltrace2 / compat / unistd-internal.h

#ifndef _BABELTRACE_COMPAT_UNISTD_H
#define _BABELTRACE_COMPAT_UNISTD_H

/*
 * (C) Copyright 2016 - Michael Jeanson <mjeanson@efficios.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */


#include <unistd.h>

#ifdef __MINGW32__
#include <windows.h>
#include <errno.h>

#define _SC_PAGESIZE 30

static inline
long bt_sysconf(int name)
{
	SYSTEM_INFO si;

	switch(name) {
	case _SC_PAGESIZE:
		GetNativeSystemInfo(&si);
		return si.dwPageSize;
	default:
		errno = EINVAL;
		return -1;
	}
}

#else

static inline
long bt_sysconf(int name)
{
	return sysconf(name);
}

#endif
#endif /* _BABELTRACE_COMPAT_UNISTD_H */
Commit	Line	Data
108e5a1e MJ	1	#ifndef _BABELTRACE_COMPAT_UNISTD_H
	2	#define _BABELTRACE_COMPAT_UNISTD_H
	3
	4	/*
108e5a1e MJ	5	* (C) Copyright 2016 - Michael Jeanson <mjeanson@efficios.com>
	6	*
	7	* Permission is hereby granted, free of charge, to any person obtaining a copy
	8	* of this software and associated documentation files (the "Software"), to deal
	9	* in the Software without restriction, including without limitation the rights
	10	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	11	* copies of the Software, and to permit persons to whom the Software is
	12	* furnished to do so, subject to the following conditions:
	13	*
	14	* The above copyright notice and this permission notice shall be included in
	15	* all copies or substantial portions of the Software.
	16	*
	17	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	18	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	19	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	20	* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	21	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	22	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	23	* SOFTWARE.
	24	*/
	25
	26
	27	#include <unistd.h>
	28
	29	#ifdef __MINGW32__
	30	#include <windows.h>
	31	#include <errno.h>
	32
	33	#define _SC_PAGESIZE 30
	34
	35	static inline
	36	long bt_sysconf(int name)
	37	{
	38	SYSTEM_INFO si;
	39
	40	switch(name) {
	41	case _SC_PAGESIZE:
	42	GetNativeSystemInfo(&si);
	43	return si.dwPageSize;
	44	default:
	45	errno = EINVAL;
	46	return -1;
	47	}
	48	}
	49
	50	#else
	51
	52	static inline
	53	long bt_sysconf(int name)
	54	{
	55	return sysconf(name);
	56	}
	57
	58	#endif
	59	#endif /* _BABELTRACE_COMPAT_UNISTD_H */