eda6f5931d
We have to use SOCK_SEQPACKET instead of SOCK_STREAM for client/server communication, because UDS does things with control messages that tmux does not expect. Change-Id: I3edb1875d61fb976cf6485c650f4fd4b82fa354c
76 lines
1.9 KiB
C
76 lines
1.9 KiB
C
/* $Id: osdep-linux.c,v 1.1.1.2 2011/08/17 18:40:06 jmmv Exp $ */
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/*
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* Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <event.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "tmux.h"
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char *
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osdep_get_name(int fd, unused char *tty)
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{
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FILE *f;
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char *path, *buf;
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size_t len;
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int ch;
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pid_t pgrp;
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if ((pgrp = tcgetpgrp(fd)) == -1)
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return (NULL);
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xasprintf(&path, "/proc/%lld/cmdline", (long long) pgrp);
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if ((f = fopen(path, "r")) == NULL) {
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xfree(path);
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return (NULL);
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}
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xfree(path);
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len = 0;
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buf = NULL;
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while ((ch = fgetc(f)) != EOF) {
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if (ch == '\0')
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break;
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buf = xrealloc(buf, 1, len + 2);
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buf[len++] = ch;
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}
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if (buf != NULL)
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buf[len] = '\0';
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fclose(f);
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return (buf);
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}
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struct event_base *
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osdep_event_init(void)
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{
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/*
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* On Linux, epoll doesn't work on /dev/null (yes, really).
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*
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* This has been commented because libevent versions up until the very
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* latest (1.4 git or 2.0.10) do not handle signals properly when using
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* poll or select, causing hangs.
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*
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*/
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/* setenv("EVENT_NOEPOLL", "1", 1); */
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return (event_init());
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}
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