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-rw-r--r--osdep-linux.c102
1 files changed, 102 insertions, 0 deletions
diff --git a/osdep-linux.c b/osdep-linux.c
new file mode 100644
index 0000000..7dbab1f
--- /dev/null
+++ b/osdep-linux.c
@@ -0,0 +1,102 @@
+/* $OpenBSD$ */
+
+/*
+ * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
+ *
+ * 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/stat.h>
+#include <sys/param.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "tmux.h"
+
+char *
+osdep_get_name(int fd, __unused char *tty)
+{
+ FILE *f;
+ char *path, *buf;
+ size_t len;
+ int ch;
+ pid_t pgrp;
+
+ if ((pgrp = tcgetpgrp(fd)) == -1)
+ return (NULL);
+
+ xasprintf(&path, "/proc/%lld/cmdline", (long long) pgrp);
+ if ((f = fopen(path, "r")) == NULL) {
+ free(path);
+ return (NULL);
+ }
+ free(path);
+
+ len = 0;
+ buf = NULL;
+ while ((ch = fgetc(f)) != EOF) {
+ if (ch == '\0')
+ break;
+ buf = xrealloc(buf, len + 2);
+ buf[len++] = ch;
+ }
+ if (buf != NULL)
+ buf[len] = '\0';
+
+ fclose(f);
+ return (buf);
+}
+
+char *
+osdep_get_cwd(int fd)
+{
+ static char target[MAXPATHLEN + 1];
+ char *path;
+ pid_t pgrp, sid;
+ ssize_t n;
+
+ if ((pgrp = tcgetpgrp(fd)) == -1)
+ return (NULL);
+
+ xasprintf(&path, "/proc/%lld/cwd", (long long) pgrp);
+ n = readlink(path, target, MAXPATHLEN);
+ free(path);
+
+ if (n == -1 && ioctl(fd, TIOCGSID, &sid) != -1) {
+ xasprintf(&path, "/proc/%lld/cwd", (long long) sid);
+ 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 Linux, epoll doesn't work on /dev/null (yes, really). */
+ setenv("EVENT_NOEPOLL", "1", 1);
+
+ base = event_init();
+ unsetenv("EVENT_NOEPOLL");
+ return (base);
+}