1 #include <sys/kern_memorystatus.h> 2 #include <sys/sysctl.h> 3 #include <sys/types.h> 4 #include <unistd.h> 5 6 #include <darwintest.h> 7 8 #define MAX_TASK_MEM "kern.max_task_pmem" 9 10 T_GLOBAL_META( 11 T_META_NAMESPACE("xnu.vm"), 12 T_META_RADAR_COMPONENT_NAME("xnu"), 13 T_META_RADAR_COMPONENT_VERSION("VM"), 14 T_META_ENABLED(!TARGET_OS_OSX)); 15 16 T_DECL(memorystatus_convert_limit_bytes, "memorystatus_convert_limit_bytes default limit") 17 { 18 int ret; 19 int32_t max_task_pmem = 0; 20 size_t size_max_task_pmem = sizeof(max_task_pmem); 21 22 ret = sysctlbyname(MAX_TASK_MEM, &max_task_pmem, &size_max_task_pmem, NULL, 0); 23 T_ASSERT_POSIX_SUCCESS(ret, "call sysctlbyname to get max task physical memory."); 24 25 ret = memorystatus_control(MEMORYSTATUS_CMD_CONVERT_MEMLIMIT_MB, getpid(), (int32_t) -1, NULL, 0); 26 T_QUIET; T_ASSERT_POSIX_SUCCESS(ret, "memorystatus_control"); 27 T_QUIET; T_ASSERT_EQ(ret, max_task_pmem, "default limit is converted correctly"); 28 } 29