1*c54f35caSApple OSS Distributions #include <sys/kern_memorystatus.h> 2*c54f35caSApple OSS Distributions #include <sys/sysctl.h> 3*c54f35caSApple OSS Distributions #include <sys/types.h> 4*c54f35caSApple OSS Distributions #include <unistd.h> 5*c54f35caSApple OSS Distributions 6*c54f35caSApple OSS Distributions #include <darwintest.h> 7*c54f35caSApple OSS Distributions 8*c54f35caSApple OSS Distributions #define MAX_TASK_MEM "kern.max_task_pmem" 9*c54f35caSApple OSS Distributions 10*c54f35caSApple OSS Distributions T_GLOBAL_META( 11*c54f35caSApple OSS Distributions T_META_NAMESPACE("xnu.vm"), 12*c54f35caSApple OSS Distributions T_META_RADAR_COMPONENT_NAME("xnu"), 13*c54f35caSApple OSS Distributions T_META_RADAR_COMPONENT_VERSION("VM"), 14*c54f35caSApple OSS Distributions T_META_ENABLED(!TARGET_OS_OSX)); 15*c54f35caSApple OSS Distributions 16*c54f35caSApple OSS Distributions T_DECL(memorystatus_convert_limit_bytes, "memorystatus_convert_limit_bytes default limit") 17*c54f35caSApple OSS Distributions { 18*c54f35caSApple OSS Distributions int ret; 19*c54f35caSApple OSS Distributions int32_t max_task_pmem = 0; 20*c54f35caSApple OSS Distributions size_t size_max_task_pmem = sizeof(max_task_pmem); 21*c54f35caSApple OSS Distributions 22*c54f35caSApple OSS Distributions ret = sysctlbyname(MAX_TASK_MEM, &max_task_pmem, &size_max_task_pmem, NULL, 0); 23*c54f35caSApple OSS Distributions T_ASSERT_POSIX_SUCCESS(ret, "call sysctlbyname to get max task physical memory."); 24*c54f35caSApple OSS Distributions 25*c54f35caSApple OSS Distributions ret = memorystatus_control(MEMORYSTATUS_CMD_CONVERT_MEMLIMIT_MB, getpid(), (int32_t) -1, NULL, 0); 26*c54f35caSApple OSS Distributions T_QUIET; T_ASSERT_POSIX_SUCCESS(ret, "memorystatus_control"); 27*c54f35caSApple OSS Distributions T_QUIET; T_ASSERT_EQ(ret, max_task_pmem, "default limit is converted correctly"); 28*c54f35caSApple OSS Distributions } 29