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/* |
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* main_unix.cpp - Startup code for Unix |
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* |
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* Basilisk II (C) 1997-2000 Christian Bauer |
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* Basilisk II (C) 1997-2001 Christian Bauer |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* Main program |
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*/ |
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static void usage(const char *prg_name) |
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{ |
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printf("Usage: %s [OPTION...]\n", prg_name); |
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printf("\nUnix options:\n"); |
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printf(" --display STRING\n X display to use\n"); |
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printf(" --break ADDRESS\n set ROM breakpoint\n"); |
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printf(" --rominfo\n dump ROM information\n"); |
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PrefsPrintUsage(); |
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exit(0); |
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} |
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|
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int main(int argc, char **argv) |
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{ |
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char str[256]; |
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x_display_name = gdk_get_display(); // gtk_init() handles and removes the "--display" argument |
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#endif |
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// Parse and remove arguments |
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// Read preferences |
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PrefsInit(argc, argv); |
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|
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// Parse command line arguments |
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for (int i=1; i<argc; i++) { |
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if (strcmp(argv[i], "--display") == 0) { |
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argv[i] = NULL; |
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if ((i + 1) < argc && argv[i + 1]) { |
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argv[i++] = NULL; |
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if (strcmp(argv[i], "--help") == 0) { |
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usage(argv[0]); |
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} else if (strcmp(argv[i], "--display") == 0) { |
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i++; |
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if (i < argc) |
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x_display_name = strdup(argv[i]); |
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} |
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} else if (strcmp(argv[i], "--break") == 0) { |
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argv[i] = NULL; |
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if ((i + 1) < argc && argv[i + 1]) { |
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argv[i++] = NULL; |
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i++; |
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if (i < argc) |
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ROMBreakpoint = strtol(argv[i], NULL, 0); |
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} |
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} else if (strcmp(argv[i], "--rominfo") == 0) { |
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argv[i] = NULL; |
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PrintROMInfo = true; |
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} |
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} |
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for (int i=1; i<argc; i++) { |
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int k; |
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for (k=i; k<argc; k++) |
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if (argv[k] != NULL) |
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break; |
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if (k > i) { |
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k -= i; |
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for (int j=i+k; j<argc; j++) |
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argv[j-k] = argv[j]; |
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argc -= k; |
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} else if (argv[i][0] == '-') { |
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fprintf(stderr, "Unrecognized option '%s'\n", argv[i]); |
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usage(argv[0]); |
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} |
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} |
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XF86DGAForkApp(DefaultScreen(x_display)); |
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#endif |
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|
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// Read preferences |
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PrefsInit(argc, argv); |
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|
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// Init system routines |
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SysInit(); |
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{ |
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while (!xpram_thread_cancel) { |
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for (int i=0; i<60 && !xpram_thread_cancel; i++) |
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Delay_usec(999999); |
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Delay_usec(999999); // Only wait 1 second so we quit promptly when xpram_thread_cancel becomes true |
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xpram_watchdog(); |
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} |
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return NULL; |
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// Linux select() changes its timeout parameter upon return to contain |
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// the remaining time. Most other unixen leave it unchanged or undefined. |
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#define SELECT_SETS_REMAINING |
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#elif defined(__FreeBSD__) || defined(__sun__) || defined(sgi) |
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#elif defined(__FreeBSD__) || defined(__sun__) |
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#define USE_NANOSLEEP |
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#elif defined(HAVE_PTHREADS) && defined(sgi) |
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// SGI pthreads has a bug when using pthreads+signals+nanosleep, |
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// so instead of using nanosleep, wait on a CV which is never signalled. |
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#define USE_COND_TIMEDWAIT |
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#endif |
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void Delay_usec(uint32 usec) |
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{ |
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int was_error; |
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#ifdef USE_NANOSLEEP |
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#if defined(USE_NANOSLEEP) |
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struct timespec elapsed, tv; |
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#elif defined(USE_COND_TIMEDWAIT) |
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// Use a local mutex and cv, so threads remain independent |
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pthread_cond_t delay_cond = PTHREAD_COND_INITIALIZER; |
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pthread_mutex_t delay_mutex = PTHREAD_MUTEX_INITIALIZER; |
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struct timespec elapsed; |
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uint64 future; |
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#else |
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struct timeval tv; |
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#ifndef SELECT_SETS_REMAINING |
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#endif |
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// Set the timeout interval - Linux only needs to do this once |
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#ifdef SELECT_SETS_REMAINING |
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#if defined(SELECT_SETS_REMAINING) |
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tv.tv_sec = 0; |
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tv.tv_usec = usec; |
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#elif defined(USE_NANOSLEEP) |
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elapsed.tv_sec = 0; |
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elapsed.tv_nsec = usec * 1000; |
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#elif defined(USE_COND_TIMEDWAIT) |
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future = GetTicks_usec() + usec; |
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elapsed.tv_sec = future / 1000000; |
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elapsed.tv_nsec = (future % 1000000) * 1000; |
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#else |
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then = GetTicks_usec(); |
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#endif |
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do { |
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errno = 0; |
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#ifdef USE_NANOSLEEP |
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#if defined(USE_NANOSLEEP) |
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tv.tv_sec = elapsed.tv_sec; |
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tv.tv_nsec = elapsed.tv_nsec; |
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was_error = nanosleep(&tv, &elapsed); |
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#elif defined(USE_COND_TIMEDWAIT) |
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was_error = pthread_mutex_lock(&delay_mutex); |
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was_error = pthread_cond_timedwait(&delay_cond, &delay_mutex, &elapsed); |
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was_error = pthread_mutex_unlock(&delay_mutex); |
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#else |
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#ifndef SELECT_SETS_REMAINING |
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// Calculate the time interval left (in case of interrupt) |
