1 files changed, 108 insertions, 0 deletions
diff --git a/osdep-darwin.c b/osdep-darwin.c
new file mode 100644
index 0000000..a2b125a
--- /dev/null
+++ b/osdep-darwin.c
@@ -0,0 +1,108 @@
+/* $OpenBSD$ */
+
+/*
+ * Copyright (c) 2009 Joshua Elsasser <josh@elsasser.org>
+ *
+ * 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/types.h>
+#include <sys/sysctl.h>
+
+#include <Availability.h>
+#include <libproc.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "compat.h"
+
+char			*osdep_get_name(int, char *);
+char			*osdep_get_cwd(int);
+struct event_base	*osdep_event_init(void);
+
+#ifndef __unused
+#define __unused __attribute__ ((__unused__))
+#endif
+
+char *
+osdep_get_name(int fd, __unused char *tty)
+{
+#ifdef __MAC_10_7
+	struct proc_bsdshortinfo	bsdinfo;
+	pid_t				pgrp;
+	int				ret;
+
+	if ((pgrp = tcgetpgrp(fd)) == -1)
+		return (NULL);
+
+	ret = proc_pidinfo(pgrp, PROC_PIDT_SHORTBSDINFO, 0,
+			&bsdinfo, sizeof bsdinfo);
+	if (ret == sizeof bsdinfo && *bsdinfo.pbsi_comm != '\0')
+		return (strdup(bsdinfo.pbsi_comm));
+	return (NULL);
+#else
+	int	mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, 0 };
+	size_t	size;
+	struct kinfo_proc kp;
+
+	if ((mib[3] = tcgetpgrp(fd)) == -1)
+		return (NULL);
+
+	size = sizeof kp;
+	if (sysctl(mib, 4, &kp, &size, NULL, 0) == -1)
+		return (NULL);
+	if (size != (sizeof kp) || *kp.kp_proc.p_comm == '\0')
+		return (NULL);
+
+	return (strdup(kp.kp_proc.p_comm));
+#endif
+}
+
+char *
+osdep_get_cwd(int fd)
+{
+	static char			wd[PATH_MAX];
+	struct proc_vnodepathinfo	pathinfo;
+	pid_t				pgrp;
+	int				ret;
+
+	if ((pgrp = tcgetpgrp(fd)) == -1)
+		return (NULL);
+
+	ret = proc_pidinfo(pgrp, PROC_PIDVNODEPATHINFO, 0,
+	    &pathinfo, sizeof pathinfo);
+	if (ret == sizeof pathinfo) {
+		strlcpy(wd, pathinfo.pvi_cdir.vip_path, sizeof wd);
+		return (wd);
+	}
+	return (NULL);
+}
+
+struct event_base *
+osdep_event_init(void)
+{
+	struct event_base	*base;
+
+	/*
+	 * On OS X, kqueue and poll are both completely broken and don't
+	 * work on anything except socket file descriptors (yes, really).
+	 */
+	setenv("EVENT_NOKQUEUE", "1", 1);
+	setenv("EVENT_NOPOLL", "1", 1);
+
+	base = event_init();
+	unsetenv("EVENT_NOKQUEUE");
+	unsetenv("EVENT_NOPOLL");
+	return (base);
+}