granicus.if.org Git - strace/blob - tests/setrlimit.c

   1 /*
   2  * Check decoding of setrlimit syscall.
   3  *
   4  * Copyright (c) 2016-2018 Dmitry V. Levin <ldv@altlinux.org>
   5  * All rights reserved.
   6  *
   7  * SPDX-License-Identifier: GPL-2.0-or-later
   8  */
   9
  10 #include "tests.h"
  11 #include <asm/unistd.h>
  12
  13 #ifdef __NR_setrlimit
  14
  15 # include "xgetrlimit.c"
  16
  17 int
  18 main(void)
  19 {
  20         kernel_ulong_t *const rlimit = tail_alloc(sizeof(*rlimit) * 2);
  21         const struct xlat *xlat;
  22
  23         for (xlat = resources; xlat->str; ++xlat) {
  24                 unsigned long res = 0xfacefeed00000000ULL | xlat->val;
  25                 long rc = syscall(__NR_setrlimit, res, 0);
  26                 printf("setrlimit(%s, NULL) = %s\n", xlat->str, sprintrc(rc));
  27
  28                 struct rlimit libc_rlim = {};
  29                 if (getrlimit((int) res, &libc_rlim))
  30                         continue;
  31                 rlimit[0] = libc_rlim.rlim_cur;
  32                 rlimit[1] = libc_rlim.rlim_max;
  33
  34                 rc = syscall(__NR_setrlimit, res, rlimit);
  35                 const char *errstr = sprintrc(rc);
  36                 printf("setrlimit(%s, {rlim_cur=%s, rlim_max=%s}) = %s\n",
  37                        xlat->str,
  38                        sprint_rlim(rlimit[0]), sprint_rlim(rlimit[1]),
  39                        errstr);
  40         }
  41
  42         puts("+++ exited with 0 +++");
  43         return 0;
  44 }
  45
  46 #else
  47
  48 SKIP_MAIN_UNDEFINED("__NR_setrlimit")
  49
  50 #endif