Mercurial > repos > blastem
view termhelper.c @ 987:1f09994e92c5
Initial stab at implementing address error exceptions. Need to fill in the value of IR, undefined bits of last stack frame word and properly deal with address errors that occur during exception processing.
author | Michael Pavone <pavone@retrodev.com> |
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date | Tue, 26 Apr 2016 23:13:37 -0700 |
parents | 792be135d3af |
children |
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#include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> #include <unistd.h> #include <stdlib.h> #include "terminal.h" char buf[4096]; void copy_data(int to, int from) { ssize_t bytes = read(from, buf, sizeof(buf)); while (bytes > 0) { ssize_t written = write(to, buf, bytes); if (written == -1) { exit(1); } bytes -= written; } } int main(int argc, char **argv) { //these will block so order is important int input_fd = open(INPUT_PATH, O_WRONLY); int output_fd = open(OUTPUT_PATH, O_RDONLY); fd_set read_fds; FD_ZERO(&read_fds); for (;;) { FD_SET(STDIN_FILENO, &read_fds); FD_SET(output_fd, &read_fds); select(output_fd+1, &read_fds, NULL, NULL, NULL); if (FD_ISSET(STDIN_FILENO, &read_fds)) { copy_data(input_fd, STDIN_FILENO); } if (FD_ISSET(output_fd, &read_fds)) { copy_data(STDOUT_FILENO, output_fd); } } return 0; }