diff options
Diffstat (limited to 'src/osd/modules/lib/osdlib_macosx.cpp')
-rw-r--r-- | src/osd/modules/lib/osdlib_macosx.cpp | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/src/osd/modules/lib/osdlib_macosx.cpp b/src/osd/modules/lib/osdlib_macosx.cpp index 0d89e6c3596..501719c1e3c 100644 --- a/src/osd/modules/lib/osdlib_macosx.cpp +++ b/src/osd/modules/lib/osdlib_macosx.cpp @@ -14,11 +14,6 @@ #include <sys/types.h> #include <signal.h> -#include <mach/mach.h> -#include <mach/mach_time.h> -#include <mach/mach_traps.h> -#include <Carbon/Carbon.h> - // MAME headers #include "osdcore.h" #include "osdlib.h" @@ -55,30 +50,6 @@ void osd_process_kill(void) } //============================================================ -// osd_num_processors -//============================================================ - -int osd_get_num_processors(void) -{ - int processors = 1; - - struct host_basic_info host_basic_info; - unsigned int count; - kern_return_t r; - mach_port_t my_mach_host_self; - - count = HOST_BASIC_INFO_COUNT; - my_mach_host_self = mach_host_self(); - if ( ( r = host_info(my_mach_host_self, HOST_BASIC_INFO, (host_info_t)(&host_basic_info), &count)) == KERN_SUCCESS ) - { - processors = host_basic_info.avail_cpus; - } - mach_port_deallocate(mach_task_self(), my_mach_host_self); - - return processors; -} - -//============================================================ // osd_malloc //============================================================ @@ -166,120 +137,3 @@ void osd_break_into_debugger(const char *message) #endif } - -//============================================================ -// PROTOTYPES -//============================================================ - -static osd_ticks_t init_cycle_counter(void); -static osd_ticks_t mach_cycle_counter(void); - -//============================================================ -// STATIC VARIABLES -//============================================================ - -static osd_ticks_t (*cycle_counter)(void) = init_cycle_counter; -static osd_ticks_t (*ticks_counter)(void) = init_cycle_counter; -static osd_ticks_t ticks_per_second; - -//============================================================ -// init_cycle_counter -// -// to avoid total grossness, this function is split by subarch -//============================================================ - -static osd_ticks_t init_cycle_counter(void) -{ - osd_ticks_t start, end; - osd_ticks_t a, b; - - cycle_counter = mach_cycle_counter; - ticks_counter = mach_cycle_counter; - - // wait for an edge on the timeGetTime call - a = SDL_GetTicks(); - do - { - b = SDL_GetTicks(); - } while (a == b); - - // get the starting cycle count - start = (*cycle_counter)(); - - // now wait for 1/4 second total - do - { - a = SDL_GetTicks(); - } while (a - b < 250); - - // get the ending cycle count - end = (*cycle_counter)(); - - // compute ticks_per_sec - ticks_per_second = (end - start) * 4; - - // return the current cycle count - return (*cycle_counter)(); -} - -//============================================================ -// performance_cycle_counter -//============================================================ - -//============================================================ -// mach_cycle_counter -//============================================================ -static osd_ticks_t mach_cycle_counter(void) -{ - return mach_absolute_time(); -} - -//============================================================ -// osd_ticks -//============================================================ - -osd_ticks_t osd_ticks(void) -{ - return (*cycle_counter)(); -} - - -//============================================================ -// osd_ticks_per_second -//============================================================ - -osd_ticks_t osd_ticks_per_second(void) -{ - if (ticks_per_second == 0) - { - // if we haven't computed the value yet, there's no time like the present - init_cycle_counter(); - } - return ticks_per_second; -} - - - -//============================================================ -// osd_sleep -//============================================================ - -void osd_sleep(osd_ticks_t duration) -{ - UINT32 msec; - - // make sure we've computed ticks_per_second - if (ticks_per_second == 0) - (void)osd_ticks(); - - // convert to milliseconds, rounding down - msec = (UINT32)(duration * 1000 / ticks_per_second); - - // only sleep if at least 2 full milliseconds - if (msec >= 2) - { - // take a couple of msecs off the top for good measure - msec -= 2; - usleep(msec*1000); - } -} |