Mercurial > repos > blastem
view terminal.c @ 922:913a6336ce20
Shift slot number to slot behavior mapping by six slots in H40 mode. This makes the line change slot align with the point at which the display turns on and off at the end of the active display area. Also fixed a regression in which an external slot got accidentally changed into a sprite draw slot
author | Michael Pavone <pavone@retrodev.com> |
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date | Thu, 28 Jan 2016 09:10:14 -0800 |
parents | 0433fdd9ba66 |
children | 794ba17f0716 |
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#include <sys/types.h> #include <sys/stat.h> #include <unistd.h> #include <fcntl.h> #include <stdlib.h> #include <stdint.h> #include <signal.h> #include "util.h" #include "terminal.h" pid_t child; void cleanup_terminal() { kill(child, SIGKILL); unlink(INPUT_PATH); unlink(OUTPUT_PATH); } static char init_done; void force_no_terminal() { init_done = 1; } void init_terminal() { if (!init_done) { if (!(isatty(STDIN_FILENO) && isatty(STDOUT_FILENO))) { #ifndef __APPLE__ //check to see if x-terminal-emulator exists, just use xterm if it doesn't char *term = system("which x-terminal-emulator > /dev/null") ? "xterm" : "x-terminal-emulator"; #endif //get rid of FIFO's if they already exist unlink(INPUT_PATH); unlink(OUTPUT_PATH); //create FIFOs for talking to helper process in terminal app mkfifo(INPUT_PATH, 0666); mkfifo(OUTPUT_PATH, 0666); //close existing file descriptors close(STDIN_FILENO); close(STDOUT_FILENO); close(STDERR_FILENO); child = fork(); if (child == -1) { //error, oh well warning("Failed to fork for terminal spawn"); } else if (!child) { //child process, exec our terminal emulator #ifdef __APPLE__ execlp("open", "open", "./termhelper", NULL); #else execlp(term, term, "-title", "BlastEm Debugger", "-e", "./termhelper", NULL); #endif } else { //connect to the FIFOs, these will block so order is important open(INPUT_PATH, O_RDONLY); open(OUTPUT_PATH, O_WRONLY); atexit(cleanup_terminal); if (-1 == dup(STDOUT_FILENO)) { fatal_error("failed to dup STDOUT to STDERR after terminal fork"); } } } init_done = 1; } }