From 57a1091dfb2c6403cbe63c7ddca8acc7e3d0f940 Mon Sep 17 00:00:00 2001
From: Tom Smeding <tom.smeding@gmail.com>
Date: Mon, 20 Aug 2018 23:51:16 +0200
Subject: Switch to https://git.tomsmeding.com/competition

---
 competition/process.cpp | 136 ------------------------------------------------
 1 file changed, 136 deletions(-)
 delete mode 100644 competition/process.cpp

(limited to 'competition/process.cpp')

diff --git a/competition/process.cpp b/competition/process.cpp
deleted file mode 100644
index a728401..0000000
--- a/competition/process.cpp
+++ /dev/null
@@ -1,136 +0,0 @@
-#include <iostream>
-#include <cstdlib>
-#include <fcntl.h>
-#include <sys/wait.h>
-#include "process.h"
-#include "error.h"
-
-
-Process::Process(const string_view execname)
-		: execname(execname) {}
-
-void Process::redirectStderr(const string_view fname) {
-	stderrRedirect = fname;
-}
-
-void Process::run() {
-	int stderrfd = -1;
-	if (stderrRedirect) {
-		stderrfd = open(stderrRedirect->data(), O_WRONLY|O_CREAT|O_TRUNC, 0644);
-		if (stderrfd < 0) {
-			perror("open");
-			cout << endl << "ERROR: Cannot open player log file '" << *stderrRedirect << "'" << endl;
-			throw StopCompetitionError();
-		}
-	}
-
-	int pipefds[2];
-	if (pipe(pipefds) < 0) {
-		perror("pipe");
-		exit(1);
-	}
-	infd = pipefds[1];
-	int child_in = pipefds[0];
-
-	if (pipe(pipefds) < 0) {
-		perror("pipe");
-		exit(1);
-	}
-	outfd = pipefds[0];
-	int child_out = pipefds[1];
-
-	pid = fork();
-	if (pid < 0) {
-		perror("fork");
-		exit(1);
-	}
-
-	if (pid == 0) {
-		if (stderrRedirect) dup2(stderrfd, STDERR_FILENO);
-		dup2(child_in, STDIN_FILENO);
-		dup2(child_out, STDOUT_FILENO);
-		close(infd);
-		close(outfd);
-
-		execlp(execname.data(), execname.data(), NULL);
-		cerr << endl << "ERROR: Error executing player file '" << execname << "'" << endl;
-		exit(255);
-	}
-
-	if (stderrfd >= 0) close(stderrfd);
-	close(child_in);
-	close(child_out);
-}
-
-void Process::wait() {
-	while (true) {
-		int status;
-		if (waitpid(pid, &status, 0) < 0) {
-			if (errno == EINTR) continue;
-			perror("waitpid");
-			break;
-		}
-		if (WIFEXITED(status)) break;
-	}
-}
-
-void Process::stop() {
-	if (pid != -1) kill(pid, SIGSTOP);
-}
-
-void Process::unStop() {
-	if (pid != -1) kill(pid, SIGCONT);
-}
-
-bool Process::writeLine(const string_view line) {
-	string str;
-	str.reserve(line.size() + 1);
-	str += line;
-	str += '\n';
-
-	size_t cursor = 0;
-	while (cursor < str.size()) {
-		ssize_t nw = write(infd, str.data() + cursor, str.size() - cursor);
-		if (nw < 0) {
-			if (errno == EINTR) continue;
-			perror("write");
-			return false;
-		}
-		cursor += nw;
-	}
-
-	return true;
-}
-
-optional<string> Process::readLine() {
-	size_t idx = readBuf.find('\n');
-	if (idx != string::npos) {
-		string res = readBuf.substr(0, idx);
-		readBuf = readBuf.substr(idx + 1);
-		return res;
-	}
-
-	while (true) {
-		string s(1024, '\0');
-		ssize_t nr = read(outfd, &s[0], s.size());
-		if (nr < 0) {
-			if (errno == EINTR) continue;
-			perror("read");
-			return nullopt;
-		}
-		s.resize(nr);
-
-		idx = s.find('\n');
-		if (idx != string::npos) {
-			string res = readBuf + s.substr(0, idx);
-			readBuf = s.substr(idx + 1);
-			return res;
-		}
-
-		readBuf += s;
-	}
-}
-
-void Process::terminate() {
-	if (pid != -1) kill(pid, SIGTERM);
-}
-- 
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