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getprogname() and setproctitle() on Linux.

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This commit is contained in:
Nicholas Marriott
2016-05-27 18:04:25 +01:00
parent 20d97eb849
commit cfef0c6658
6 changed files with 154 additions and 4 deletions
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43
compat/getprogname.c Normal file
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/*
* Copyright (c) 2016 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 "tmux.h"
#if defined(HAVE_PROGRAM_INVOCATION_SHORT_NAME)
const char *
getprogname(void)
{
extern char *program_invocation_short_name;
return (program_invocation_short_name);
}
#elif defined(HAVE___PROGNAME)
const char *
getprogname(void)
{
extern char *__progname;
return (__progname);
}
#else
const char *
getprogname(void)
{
return ("tmux");
}
#endif

51
compat/setproctitle.c Normal file
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/*
* Copyright (c) 2016 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 <string.h>
#include "tmux.h"
#if defined(HAVE_PRCTL) && defined(HAVE_PR_SET_NAME)
#include <sys/prctl.h>
void
setproctitle(const char *fmt, ...)
{
char title[16], name[16], *cp;
va_list ap;
int used;
va_start(ap, fmt);
vsnprintf(title, sizeof title, fmt, ap);
va_end(ap);
used = snprintf(name, sizeof name, "%s: %s", getprogname(), title);
if (used >= (int)sizeof name) {
cp = strrchr(name, ' ');
if (cp != NULL)
*cp = '\0';
}
prctl(PR_SET_NAME, name);
}
#else
void
setproctitle(const char *fmt, ...)
{
}
#endif