File: semop.c

package info (click to toggle)
strace 6.13%2Bds-1
  • links: PTS, VCS
  • area: main
  • in suites: trixie
  • size: 71,488 kB
  • sloc: ansic: 176,497; sh: 9,675; makefile: 4,133; cpp: 885; awk: 353; perl: 267; exp: 62; sed: 9
file content (34 lines) | stat: -rw-r--r-- 734 bytes parent folder | download | duplicates (12)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
/*
 * Copyright (c) 2016-2019 The strace developers.
 * All rights reserved.
 *
 * SPDX-License-Identifier: GPL-2.0-or-later
 */

#include "tests.h"
#include "scno.h"

#ifdef __NR_semop

# include "semop-common.c"

static long
k_semop(const unsigned int semid,
	const kernel_ulong_t sops,
	const unsigned int nsops)
{
	const kernel_ulong_t fill = (kernel_ulong_t) 0xdefaced00000000ULL;
	const kernel_ulong_t bad = (kernel_ulong_t) 0xbadc0dedbadc0dedULL;
	const kernel_ulong_t arg1 = fill | semid;
	const kernel_ulong_t arg2 = sops;
	const kernel_ulong_t arg3 = fill | nsops;
	const long rc = syscall(__NR_semop, arg1, arg2, arg3, bad, bad, bad);
	errstr = sprintrc(rc);
	return rc;
}

#else

SKIP_MAIN_UNDEFINED("__NR_semop")

#endif