1  /*
       2   * Check decoding of setrlimit syscall.
       3   *
       4   * Copyright (c) 2016-2018 Dmitry V. Levin <ldv@strace.io>
       5   * Copyright (c) 2016-2021 The strace developers.
       6   * All rights reserved.
       7   *
       8   * SPDX-License-Identifier: GPL-2.0-or-later
       9   */
      10  
      11  #include "tests.h"
      12  #include "scno.h"
      13  
      14  #ifdef __NR_setrlimit
      15  
      16  # include "xgetrlimit.c"
      17  
      18  int
      19  main(void)
      20  {
      21  	kernel_ulong_t *const rlimit = tail_alloc(sizeof(*rlimit) * 2);
      22  	const struct xlat_data *xlat;
      23  	size_t i = 0;
      24  
      25  	for (xlat = resources->data, i = 0; i < resources->size; ++xlat, ++i) {
      26  		if (!xlat->str)
      27  			continue;
      28  
      29  		unsigned long res = 0xfacefeed00000000ULL | xlat->val;
      30  		long rc = syscall(__NR_setrlimit, res, 0);
      31  # if XLAT_RAW
      32  		printf("setrlimit(%#x, NULL) = %s\n",
      33  		       (unsigned int) xlat->val, sprintrc(rc));
      34  # elif XLAT_VERBOSE
      35  		printf("setrlimit(%#x /* %s */, NULL) = %s\n",
      36  		       (unsigned int) xlat->val,
      37  		       xlat->str, sprintrc(rc));
      38  # else
      39  		printf("setrlimit(%s, NULL) = %s\n", xlat->str, sprintrc(rc));
      40  # endif
      41  
      42  		struct rlimit libc_rlim = {};
      43  		if (getrlimit((int) res, &libc_rlim))
      44  			continue;
      45  		rlimit[0] = libc_rlim.rlim_cur;
      46  		rlimit[1] = libc_rlim.rlim_max;
      47  
      48  		rc = syscall(__NR_setrlimit, res, rlimit);
      49  		const char *errstr = sprintrc(rc);
      50  # if XLAT_RAW
      51  		printf("setrlimit(%#x, {rlim_cur=%s, rlim_max=%s}) = %s\n",
      52  		       (unsigned int) xlat->val,
      53  		       sprint_rlim(rlimit[0]), sprint_rlim(rlimit[1]),
      54  		       errstr);
      55  # elif XLAT_VERBOSE
      56  		printf("setrlimit(%#x /* %s */,"
      57  		       " {rlim_cur=%s, rlim_max=%s}) = %s\n",
      58  		       (unsigned int) xlat->val, xlat->str,
      59  		       sprint_rlim(rlimit[0]), sprint_rlim(rlimit[1]),
      60  		       errstr);
      61  # else
      62  		printf("setrlimit(%s, {rlim_cur=%s, rlim_max=%s}) = %s\n",
      63  		       xlat->str,
      64  		       sprint_rlim(rlimit[0]), sprint_rlim(rlimit[1]),
      65  		       errstr);
      66  # endif
      67  	}
      68  
      69  	puts("+++ exited with 0 +++");
      70  	return 0;
      71  }
      72  
      73  #else
      74  
      75  SKIP_MAIN_UNDEFINED("__NR_setrlimit")
      76  
      77  #endif