9ddd0a841f
Removing all win32 mutexes and turning them into critical sections, since mutexes in win32 are meant generally for inter process communication, tend to be slower, and aren't really needed for current purposes. Critical sections are roughly equivalent to std::mutex in the c++ stl.
174 lines
5.1 KiB
C
174 lines
5.1 KiB
C
/*
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* 86Box A hypervisor and IBM PC system emulator that specializes in
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* running old operating systems and software designed for IBM
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* PC systems and compatibles from 1981 through fairly recent
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* system designs based on the PCI bus.
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*
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* This file is part of the 86Box distribution.
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*
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* Define the various platform support functions.
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*
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*
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*
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* Authors: Miran Grca, <mgrca8@gmail.com>
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* Fred N. van Kempen, <decwiz@yahoo.com>
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*
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* Copyright 2016-2019 Miran Grca.
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* Copyright 2017-2019 Fred N. van Kempen.
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*/
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#ifndef EMU_PLAT_H
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# define EMU_PLAT_H
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#ifndef GLOBAL
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# define GLOBAL extern
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#endif
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/* String ID numbers. */
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#include <86box/language.h>
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/* The Win32 API uses _wcsicmp. */
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#ifdef _WIN32
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# define wcscasecmp _wcsicmp
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# define strcasecmp _stricmp
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#endif
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#if defined(UNIX) && defined(FREEBSD)
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/* FreeBSD has largefile by default. */
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# define fopen64 fopen
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# define fseeko64 fseeko
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# define ftello64 ftello
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# define off64_t off_t
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#elif defined(_MSC_VER)
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//# define fopen64 fopen
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# define fseeko64 _fseeki64
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# define ftello64 _ftelli64
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# define off64_t off_t
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#endif
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#ifdef _MSC_VER
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# define UNUSED(arg) arg
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#else
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/* A hack (GCC-specific?) to allow us to ignore unused parameters. */
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# define UNUSED(arg) __attribute__((unused))arg
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#endif
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/* Return the size (in wchar's) of a wchar_t array. */
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#define sizeof_w(x) (sizeof((x)) / sizeof(wchar_t))
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Global variables residing in the platform module. */
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extern int dopause, /* system is paused */
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doresize, /* screen resize requested */
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quited, /* system exit requested */
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mouse_capture; /* mouse is captured in app */
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extern uint64_t timer_freq;
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extern int infocus;
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extern char emu_version[200]; /* version ID string */
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extern int rctrl_is_lalt;
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extern int update_icons;
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extern int unscaled_size_x, /* current unscaled size X */
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unscaled_size_y; /* current unscaled size Y */
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/* System-related functions. */
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extern wchar_t *fix_exe_path(wchar_t *str);
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extern FILE *plat_fopen(wchar_t *path, wchar_t *mode);
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extern FILE *plat_fopen64(const wchar_t *path, const wchar_t *mode);
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extern void plat_remove(wchar_t *path);
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extern int plat_getcwd(wchar_t *bufp, int max);
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extern int plat_chdir(wchar_t *path);
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extern void plat_tempfile(wchar_t *bufp, wchar_t *prefix, wchar_t *suffix);
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extern void plat_get_exe_name(wchar_t *s, int size);
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extern wchar_t *plat_get_basename(const wchar_t *path);
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extern void plat_get_dirname(wchar_t *dest, const wchar_t *path);
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extern wchar_t *plat_get_filename(wchar_t *s);
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extern wchar_t *plat_get_extension(wchar_t *s);
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extern void plat_append_filename(wchar_t *dest, wchar_t *s1, wchar_t *s2);
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extern void plat_put_backslash(wchar_t *s);
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extern void plat_path_slash(wchar_t *path);
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extern int plat_path_abs(wchar_t *path);
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extern int plat_dir_check(wchar_t *path);
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extern int plat_dir_create(wchar_t *path);
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extern uint64_t plat_timer_read(void);
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extern uint32_t plat_get_ticks(void);
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extern void plat_delay_ms(uint32_t count);
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extern void plat_pause(int p);
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extern void plat_mouse_capture(int on);
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extern int plat_vidapi(char *name);
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extern char *plat_vidapi_name(int api);
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extern int plat_setvid(int api);
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extern void plat_vidsize(int x, int y);
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extern void plat_setfullscreen(int on);
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extern void plat_resize(int x, int y);
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extern void plat_vidapi_enable(int enabled);
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/* Resource management. */
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extern void set_language(int id);
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extern wchar_t *plat_get_string(int id);
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/* Emulator start/stop support functions. */
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extern void do_start(void);
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extern void do_stop(void);
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/* Power off. */
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extern void plat_power_off(void);
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/* Platform-specific device support. */
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extern void floppy_mount(uint8_t id, wchar_t *fn, uint8_t wp);
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extern void floppy_eject(uint8_t id);
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extern void cdrom_mount(uint8_t id, wchar_t *fn);
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extern void plat_cdrom_ui_update(uint8_t id, uint8_t reload);
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extern void zip_eject(uint8_t id);
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extern void zip_mount(uint8_t id, wchar_t *fn, uint8_t wp);
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extern void zip_reload(uint8_t id);
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extern void mo_eject(uint8_t id);
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extern void mo_mount(uint8_t id, wchar_t *fn, uint8_t wp);
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extern void mo_reload(uint8_t id);
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extern int ioctl_open(uint8_t id, char d);
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extern void ioctl_reset(uint8_t id);
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extern void ioctl_close(uint8_t id);
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/* Thread support. */
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typedef void thread_t;
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typedef void event_t;
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typedef void mutex_t;
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extern thread_t *thread_create(void (*thread_func)(void *param), void *param);
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extern void thread_kill(thread_t *arg);
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extern int thread_wait(thread_t *arg, int timeout);
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extern event_t *thread_create_event(void);
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extern void thread_set_event(event_t *arg);
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extern void thread_reset_event(event_t *arg);
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extern int thread_wait_event(event_t *arg, int timeout);
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extern void thread_destroy_event(event_t *arg);
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#define MUTEX_DEFAULT_SPIN_COUNT 1024
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extern mutex_t *thread_create_mutex(void);
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extern mutex_t *thread_create_mutex_with_spin_count(unsigned int spin_count);
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extern void thread_close_mutex(mutex_t *arg);
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extern int thread_wait_mutex(mutex_t *arg);
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extern int thread_release_mutex(mutex_t *mutex);
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/* Other stuff. */
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extern void startblit(void);
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extern void endblit(void);
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extern void take_screenshot(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /*EMU_PLAT_H*/
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