cosmopolitan/ape/lib/apm.h

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2020-06-15 14:18:57 +00:00
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
vi: set net ft=c ts=8 sts=2 sw=2 fenc=utf-8 :vi
Copyright 2020 Justine Alexandra Roberts Tunney
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program 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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
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*/
#ifndef APE_LIB_APM_H_
#define APE_LIB_APM_H_
/**
* @fileoverview Advanced Power Management.
*
* <p>APM is useful for exiting programs, without needing to ask the
* human to flip a physical switch or pass QEMU's -no-reboot flag.
*
* <p><b>Implementation Detail:</b> Supporting ACPI would literally
* require implementing a programming language.
*
* @see APM BIOS Interface Specification v1.2
* @since IBM PC/AT
*/
#define APM_SERVICE 0x15
#if !(__ASSEMBLER__ + __LINKER__ + 0)
void apmoff(void) wontreturn;
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* APE_LIB_APM_H_ */