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authorC. McEnroe2020-02-11 02:44:04 -0500
committerC. McEnroe2020-02-11 02:45:39 -0500
commit15ff2a470eb4eb291d3a7271c08b130839828720 (patch)
tree4b825dc642cb6eb9a060e54bf8d69288fbee4904 /event.c
parent34ef6ee5a76cac3408fd03a14c3d97ffdc0b7305 (diff)
Remove legacy code
Diffstat (limited to 'event.c')
-rw-r--r--event.c168
1 files changed, 0 insertions, 168 deletions
diff --git a/event.c b/event.c
deleted file mode 100644
index c6e0987..0000000
--- a/event.c
+++ /dev/null
@@ -1,168 +0,0 @@
-/* Copyright (C) 2018  C. McEnroe <june@causal.agency>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <assert.h>
-#include <err.h>
-#include <errno.h>
-#include <poll.h>
-#include <signal.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdnoreturn.h>
-#include <string.h>
-#include <sys/wait.h>
-#include <sysexits.h>
-#include <unistd.h>
-
-#include "chat.h"
-
-static struct {
-	bool wait;
-	int pipe;
-} child = {
-	.pipe = -1,
-};
-
-void eventWait(const char *argv[static 2]) {
-	uiHide();
-	pid_t pid = fork();
-	if (pid < 0) err(EX_OSERR, "fork");
-	if (!pid) {
-		execvp(argv[0], (char *const *)argv);
-		err(EX_CONFIG, "%s", argv[0]);
-	}
-	child.wait = true;
-}
-
-static void childWait(void) {
-	uiShow();
-	int status;
-	pid_t pid = wait(&status);
-	if (pid < 0) err(EX_OSERR, "wait");
-	if (WIFEXITED(status) && WEXITSTATUS(status)) {
-		uiFmt(TagStatus, UIHot, "event: exit %d", WEXITSTATUS(status));
-	} else if (WIFSIGNALED(status)) {
-		uiFmt(
-			TagStatus, UIHot,
-			"event: signal %s", strsignal(WTERMSIG(status))
-		);
-	}
-	child.wait = false;
-}
-
-void eventPipe(const char *argv[static 2]) {
-	if (child.pipe > 0) {
-		uiLog(TagStatus, UIHot, L"event: existing pipe");
-		return;
-	}
-
-	int rw[2];
-	int error = pipe(rw);
-	if (error) err(EX_OSERR, "pipe");
-
-	pid_t pid = fork();
-	if (pid < 0) err(EX_OSERR, "fork");
-	if (!pid) {
-		close(rw[0]);
-		close(STDIN_FILENO);
-		dup2(rw[1], STDOUT_FILENO);
-		dup2(rw[1], STDERR_FILENO);
-		close(rw[1]);
-		execvp(argv[0], (char *const *)argv);
-		perror(argv[0]);
-		exit(EX_CONFIG);
-	}
-
-	close(rw[1]);
-	child.pipe = rw[0];
-}
-
-static void childRead(void) {
-	char buf[256];
-	ssize_t len = read(child.pipe, buf, sizeof(buf) - 1);
-	if (len < 0) err(EX_IOERR, "read");
-	if (len) {
-		buf[len] = '\0';
-		buf[strcspn(buf, "\n")] = '\0';
-		uiFmt(TagStatus, UIHot, "event: %s", buf);
-	} else {
-		close(child.pipe);
-		child.pipe = -1;
-	}
-}
-
-static volatile sig_atomic_t sig[NSIG];
-static void handler(int n) {
-	sig[n] = 1;
-}
-
-noreturn void eventLoop(void) {
-	sigset_t mask;
-	sigemptyset(&mask);
-	struct sigaction action = {
-		.sa_handler = handler,
-		.sa_mask = mask,
-		.sa_flags = SA_RESTART | SA_NOCLDSTOP,
-	};
-	sigaction(SIGCHLD, &action, NULL);
-	sigaction(SIGINT, &action, NULL);
-	sigaction(SIGHUP, &action, NULL);
-
-	struct sigaction curses;
-	sigaction(SIGWINCH, &action, &curses);
-	assert(!(curses.sa_flags & SA_SIGINFO));
-
-	uiShowTag(TagStatus);
-	uiFmt(TagStatus, UICold, "Traveling to %s...", self.host);
-	uiDraw();
-	int irc = ircConnect();
-
-	for (;;) {
-		if (sig[SIGCHLD]) childWait();
-		if (sig[SIGHUP]) ircQuit("zzz");
-		if (sig[SIGINT]) {
-			signal(SIGINT, SIG_DFL);
-			ircQuit("Goodbye");
-		}
-		if (sig[SIGWINCH]) {
-			curses.sa_handler(SIGWINCH);
-			uiRead();
-			uiDraw();
-		}
-		sig[SIGCHLD] = sig[SIGHUP] = sig[SIGINT] = sig[SIGWINCH] = 0;
-
-		struct pollfd fds[3] = {
-			{ .events = POLLIN, .fd = irc },
-			{ .events = POLLIN, .fd = STDIN_FILENO },
-			{ .events = POLLIN, .fd = child.pipe },
-		};
-		if (child.wait) fds[1].events = 0;
-		if (child.pipe < 0) fds[2].events = 0;
-
-		int nfds = poll(fds, 3, -1);
-		if (nfds < 0) {
-			if (errno == EINTR) continue;
-			err(EX_IOERR, "poll");
-		}
-
-		if (fds[0].revents) ircRead();
-		if (fds[1].revents) uiRead();
-		if (fds[2].revents) childRead();
-
-		uiDraw();
-	}
-}