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annotate termhelper.c @ 1483:001120e91fed nuklear_ui

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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>
date Sat, 25 Nov 2017 20:43:20 -0800
parents 792be135d3af
children
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794
792be135d3af 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 <fcntl.h>
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4 #include <unistd.h>
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5 #include <stdlib.h>
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6 #include "terminal.h"
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7
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8 char buf[4096];
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9
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10 void copy_data(int to, int from)
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11 {
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12 ssize_t bytes = read(from, buf, sizeof(buf));
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13 while (bytes > 0)
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14 {
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15 ssize_t written = write(to, buf, bytes);
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16 if (written == -1) {
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17 exit(1);
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18 }
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19 bytes -= written;
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20 }
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21 }
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22
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23 int main(int argc, char **argv)
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24 {
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25 //these will block so order is important
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26 int input_fd = open(INPUT_PATH, O_WRONLY);
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27 int output_fd = open(OUTPUT_PATH, O_RDONLY);
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28 fd_set read_fds;
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29 FD_ZERO(&read_fds);
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30 for (;;)
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31 {
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32 FD_SET(STDIN_FILENO, &read_fds);
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33 FD_SET(output_fd, &read_fds);
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34 select(output_fd+1, &read_fds, NULL, NULL, NULL);
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35
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36 if (FD_ISSET(STDIN_FILENO, &read_fds)) {
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37 copy_data(input_fd, STDIN_FILENO);
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38 }
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39 if (FD_ISSET(output_fd, &read_fds)) {
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40 copy_data(STDOUT_FILENO, output_fd);
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41 }
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42 }
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43 return 0;
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44 }