tests/proc_info_udata.c

   1 #include <darwintest.h>
   2 #include "../bsd/sys/proc_info.h"
   3 #include "../libsyscall/wrappers/libproc/libproc.h"
   4 #include <stdio.h>
   5 #include <unistd.h>
   6 #include <TargetConditionals.h>
   7
   8 T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true));
   9
  10 T_DECL(proc_udata_info, "Get and set a proc udata token"){
  11         uint64_t token = mach_absolute_time();
  12         proc_info_udata_t udata;
  13         int ret;
  14
  15         udata = token;
  16         ret = proc_udata_info(getpid(), PROC_UDATA_INFO_SET, &udata, sizeof(udata));
  17
  18 #if !TARGET_OS_OSX
  19         T_WITH_ERRNO;
  20         T_ASSERT_EQ_INT(ret, -1, "proc_udata_info PROC_UDATA_INFO_SET returns error on non-supported platforms");
  21         T_SKIP("Remaining tests are only supported on platforms with CONFIG_PROC_UDATA_STORAGE configured");
  22 #endif
  23
  24         T_WITH_ERRNO;
  25         T_ASSERT_EQ_INT(ret, 0, "proc_udata_info PROC_UDATA_INFO_SET");
  26
  27         T_LOG("udata set to %#llx", udata);
  28
  29         bzero(&udata, sizeof(udata));
  30         ret = proc_udata_info(getpid(), PROC_UDATA_INFO_GET, &udata, sizeof(udata));
  31         T_WITH_ERRNO;
  32         T_ASSERT_EQ_INT(ret, 0, "proc_udata_info PROC_UDATA_INFO_GET");
  33
  34         T_ASSERT_EQ_ULLONG(token, udata, "proc_udata_info(): retrieved value matches token");
  35
  36         ret = proc_udata_info(getpid(), PROC_UDATA_INFO_SET, &udata, sizeof(uint32_t));
  37         T_WITH_ERRNO;
  38         T_ASSERT_EQ_INT(ret, -1, "proc_udata_info PROC_UDATA_INFO_SET with invalid size returned -1");
  39         T_ASSERT_EQ_INT(errno, EINVAL, "proc_udata_info PROC_UDATA_INFO_SET with invalid size returned EINVAL");
  40
  41         ret = proc_udata_info(getppid(), PROC_UDATA_INFO_GET, &udata, sizeof(udata));
  42         T_WITH_ERRNO;
  43         T_ASSERT_EQ_INT(ret, -1, "proc_udata_info PROC_UDATA_INFO_GET returned -1 on attempt against non-self pid");
  44         T_ASSERT_EQ_INT(errno, EACCES, "proc_udata_info PROC_UDATA_INFO_GET set errno to EACCES on attempt against non-self pid");
  45
  46         ret = proc_udata_info(getppid(), PROC_UDATA_INFO_SET, &udata, sizeof(udata));
  47         T_WITH_ERRNO;
  48         T_ASSERT_EQ_INT(ret, -1, "proc_udata_info PROC_UDATA_INFO_SET returned -1 on attempt against non-self pid");
  49         T_ASSERT_EQ_INT(errno, EACCES, "proc_udata_info PROC_UDATA_INFO_SET set errno to EACCES on attempt against non-self pid");
  50 }