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/* $OpenBSD: client-fn.c,v 1.5 2009/08/11 17:18:35 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.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/types.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "tmux.h"
void
client_fill_session(struct msg_command_data *data)
{
char *env, *ptr1, *ptr2, buf[256];
size_t len;
const char *errstr;
long long ll;
data->pid = -1;
if ((env = getenv("TMUX")) == NULL)
return;
if ((ptr2 = strrchr(env, ',')) == NULL || ptr2 == env)
return;
for (ptr1 = ptr2 - 1; ptr1 > env && *ptr1 != ','; ptr1--)
;
if (*ptr1 != ',')
return;
ptr1++;
ptr2++;
len = ptr2 - ptr1 - 1;
if (len > (sizeof buf) - 1)
return;
memcpy(buf, ptr1, len);
buf[len] = '\0';
ll = strtonum(buf, 0, LONG_MAX, &errstr);
if (errstr != NULL)
return;
data->pid = ll;
ll = strtonum(ptr2, 0, UINT_MAX, &errstr);
if (errstr != NULL)
return;
data->idx = ll;
}
void
client_write_server(
struct client_ctx *cctx, enum msgtype type, void *buf, size_t len)
{
imsg_compose(&cctx->ibuf, type, PROTOCOL_VERSION, -1, -1, buf, len);
}
void
client_suspend(void)
{
struct sigaction act;
memset(&act, 0, sizeof act);
sigemptyset(&act.sa_mask);
act.sa_flags = SA_RESTART;
act.sa_handler = SIG_DFL;
if (sigaction(SIGTSTP, &act, NULL) != 0)
fatal("sigaction failed");
act.sa_handler = sighandler;
if (sigaction(SIGCONT, &act, NULL) != 0)
fatal("sigaction failed");
kill(getpid(), SIGTSTP);
}
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