Mercurial > repos > blastem
annotate terminal.c @ 1483:001120e91fed nuklear_ui
Skip loading menu ROM if Nuklear UI is enabled. Allow disabling Nuklear UI in favor of old menu ROM both at compile time and in config. Fall back to ROM UI if GL is unavailable
author | Michael Pavone <pavone@retrodev.com> |
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date | Sat, 25 Nov 2017 20:43:20 -0800 |
parents | 0433fdd9ba66 |
children | 794ba17f0716 |
rev | line source |
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794
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Spawn a terminal for the debugger when needed if we are not already attached to one
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1 #include <sys/types.h> |
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2 #include <sys/stat.h> |
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3 #include <unistd.h> |
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4 #include <fcntl.h> |
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5 #include <stdlib.h> |
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6 #include <stdint.h> |
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7 #include <signal.h> |
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8 #include "util.h" |
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9 #include "terminal.h" |
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10 |
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11 pid_t child; |
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12 |
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13 void cleanup_terminal() |
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14 { |
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15 kill(child, SIGKILL); |
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16 unlink(INPUT_PATH); |
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17 unlink(OUTPUT_PATH); |
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18 } |
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19 |
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0433fdd9ba66
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20 static char init_done; |
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21 |
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22 void force_no_terminal() |
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23 { |
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24 init_done = 1; |
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25 } |
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26 |
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27 void init_terminal() |
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28 { |
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29 if (!init_done) { |
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30 if (!(isatty(STDIN_FILENO) && isatty(STDOUT_FILENO))) { |
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31 #ifndef __APPLE__ |
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32 //check to see if x-terminal-emulator exists, just use xterm if it doesn't |
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33 char *term = system("which x-terminal-emulator > /dev/null") ? "xterm" : "x-terminal-emulator"; |
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34 #endif |
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35 //get rid of FIFO's if they already exist |
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36 unlink(INPUT_PATH); |
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37 unlink(OUTPUT_PATH); |
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38 //create FIFOs for talking to helper process in terminal app |
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39 mkfifo(INPUT_PATH, 0666); |
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40 mkfifo(OUTPUT_PATH, 0666); |
832
0433fdd9ba66
Added a command line option to force BlastEm to not open a new terminal even if it detects that stdin/out are not terminals
Michael Pavone <pavone@retrodev.com>
parents:
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41 |
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42 //close existing file descriptors |
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43 close(STDIN_FILENO); |
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44 close(STDOUT_FILENO); |
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45 close(STDERR_FILENO); |
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46 |
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47 child = fork(); |
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48 if (child == -1) { |
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49 //error, oh well |
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50 warning("Failed to fork for terminal spawn"); |
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51 } else if (!child) { |
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52 //child process, exec our terminal emulator |
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53 #ifdef __APPLE__ |
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54 execlp("open", "open", "./termhelper", NULL); |
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55 #else |
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56 execlp(term, term, "-title", "BlastEm Debugger", "-e", "./termhelper", NULL); |
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57 #endif |
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58 } else { |
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59 //connect to the FIFOs, these will block so order is important |
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60 open(INPUT_PATH, O_RDONLY); |
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61 open(OUTPUT_PATH, O_WRONLY); |
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62 atexit(cleanup_terminal); |
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63 if (-1 == dup(STDOUT_FILENO)) { |
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64 fatal_error("failed to dup STDOUT to STDERR after terminal fork"); |
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65 } |
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66 } |
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67 } |
832
0433fdd9ba66
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parents:
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68 |
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69 init_done = 1; |
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70 } |
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71 } |