Adding upstream version 3.3a.upstream/3.3a

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 112 insertions, 0 deletions

diff --git a/osdep-sunos.c b/osdep-sunos.c
new file mode 100644
index 0000000..c3563ca
--- /dev/null
+++ b/osdep-sunos.c
@@ -0,0 +1,112 @@
+/* $OpenBSD$ */
+
+/*
+ * Copyright (c) 2009 Todd Carson <toc@daybefore.net>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/param.h>
+#include <sys/stat.h>
+
+#include <fcntl.h>
+#include <procfs.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "tmux.h"
+
+char *
+osdep_get_name(__unused int fd, char *tty)
+{
+	struct psinfo	 p;
+	struct stat	 st;
+	char		*path;
+	ssize_t		 bytes;
+	int		 f;
+	pid_t		 pgrp;
+
+	if ((f = open(tty, O_RDONLY)) < 0)
+		return (NULL);
+
+	if (fstat(f, &st) != 0 || ioctl(f, TIOCGPGRP, &pgrp) != 0) {
+		close(f);
+		return (NULL);
+	}
+	close(f);
+
+	xasprintf(&path, "/proc/%u/psinfo", (u_int) pgrp);
+	f = open(path, O_RDONLY);
+	free(path);
+	if (f < 0)
+		return (NULL);
+
+	bytes = read(f, &p, sizeof(p));
+	close(f);
+	if (bytes != sizeof(p))
+		return (NULL);
+
+	if (p.pr_ttydev != st.st_rdev)
+		return (NULL);
+
+	return (xstrdup(p.pr_fname));
+}
+
+char *
+osdep_get_cwd(int fd)
+{
+	static char	 target[MAXPATHLEN + 1];
+	char		*path;
+	const char	*ttypath;
+	ssize_t		 n;
+	pid_t		 pgrp;
+	int		 retval, ttyfd;
+
+	if ((ttypath = ptsname(fd)) == NULL)
+		return (NULL);
+	if ((ttyfd = open(ttypath, O_RDONLY|O_NOCTTY)) == -1)
+		return (NULL);
+
+	retval = ioctl(ttyfd, TIOCGPGRP, &pgrp);
+	close(ttyfd);
+	if (retval == -1)
+		return (NULL);
+
+	xasprintf(&path, "/proc/%u/path/cwd", (u_int) pgrp);
+	n = readlink(path, target, MAXPATHLEN);
+	free(path);
+	if (n > 0) {
+		target[n] = '\0';
+		return (target);
+	}
+	return (NULL);
+}
+
+struct event_base *
+osdep_event_init(void)
+{
+	struct event_base	*base;
+
+	/*
+	 * On Illumos, evports don't seem to work properly. It is not clear if
+	 * this a problem in libevent, with the way tmux uses file descriptors,
+	 * or with some types of file descriptor. But using poll instead is
+	 * fine.
+	 */
+	setenv("EVENT_NOEVPORT", "1", 1);
+
+	base = event_init();
+	unsetenv("EVENT_NOEVPORT");
+	return (base);
+}