/* $Id: osdep-linux.c,v 1.1.1.2 2011/08/17 18:40:06 jmmv Exp $ */ /* * Copyright (c) 2009 Nicholas Marriott * * 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 #include #include #include #include #include #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) { xfree(path); return (NULL); } xfree(path); len = 0; buf = NULL; while ((ch = fgetc(f)) != EOF) { if (ch == '\0') break; buf = xrealloc(buf, 1, len + 2); buf[len++] = ch; } if (buf != NULL) buf[len] = '\0'; fclose(f); return (buf); } struct event_base * osdep_event_init(void) { /* * On Linux, epoll doesn't work on /dev/null (yes, really). * * This has been commented because libevent versions up until the very * latest (1.4 git or 2.0.10) do not handle signals properly when using * poll or select, causing hangs. * */ /* setenv("EVENT_NOEPOLL", "1", 1); */ return (event_init()); }