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1 8f01fac2 2021-03-12 op /*
2 8f01fac2 2021-03-12 op * Copyright (c) 2016 Nicholas Marriott <nicholas.marriott@gmail.com>
3 8f01fac2 2021-03-12 op *
4 8f01fac2 2021-03-12 op * Permission to use, copy, modify, and distribute this software for any
5 8f01fac2 2021-03-12 op * purpose with or without fee is hereby granted, provided that the above
6 8f01fac2 2021-03-12 op * copyright notice and this permission notice appear in all copies.
7 8f01fac2 2021-03-12 op *
8 8f01fac2 2021-03-12 op * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 8f01fac2 2021-03-12 op * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 8f01fac2 2021-03-12 op * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 8f01fac2 2021-03-12 op * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 8f01fac2 2021-03-12 op * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
13 8f01fac2 2021-03-12 op * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
14 8f01fac2 2021-03-12 op * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 8f01fac2 2021-03-12 op */
16 8f01fac2 2021-03-12 op
17 8f01fac2 2021-03-12 op #include "compat.h"
18 8f01fac2 2021-03-12 op
19 8f01fac2 2021-03-12 op #include <sys/types.h>
20 8f01fac2 2021-03-12 op
21 8f01fac2 2021-03-12 op #include <stdarg.h>
22 8f01fac2 2021-03-12 op #include <stdio.h>
23 8f01fac2 2021-03-12 op #include <string.h>
24 8f01fac2 2021-03-12 op
25 8f01fac2 2021-03-12 op #if HAVE_PR_SET_NAME
26 8f01fac2 2021-03-12 op
27 8f01fac2 2021-03-12 op #include <sys/prctl.h>
28 8f01fac2 2021-03-12 op
29 8f01fac2 2021-03-12 op void
30 8f01fac2 2021-03-12 op setproctitle(const char *fmt, ...)
31 8f01fac2 2021-03-12 op {
32 8f01fac2 2021-03-12 op char title[16], name[16], *cp;
33 8f01fac2 2021-03-12 op va_list ap;
34 8f01fac2 2021-03-12 op int used;
35 8f01fac2 2021-03-12 op
36 8f01fac2 2021-03-12 op va_start(ap, fmt);
37 8f01fac2 2021-03-12 op vsnprintf(title, sizeof title, fmt, ap);
38 8f01fac2 2021-03-12 op va_end(ap);
39 8f01fac2 2021-03-12 op
40 8f01fac2 2021-03-12 op used = snprintf(name, sizeof name, "%s: %s", getprogname(), title);
41 8f01fac2 2021-03-12 op if (used >= (int)sizeof name) {
42 8f01fac2 2021-03-12 op cp = strrchr(name, ' ');
43 8f01fac2 2021-03-12 op if (cp != NULL)
44 8f01fac2 2021-03-12 op *cp = '\0';
45 8f01fac2 2021-03-12 op }
46 8f01fac2 2021-03-12 op prctl(PR_SET_NAME, name);
47 8f01fac2 2021-03-12 op }
48 8f01fac2 2021-03-12 op #else
49 8f01fac2 2021-03-12 op void
50 8f01fac2 2021-03-12 op setproctitle(const char *fmt, ...)
51 8f01fac2 2021-03-12 op {
52 8f01fac2 2021-03-12 op (void)fmt;
53 8f01fac2 2021-03-12 op }
54 8f01fac2 2021-03-12 op #endif