1*1031c584SApple OSS Distributions #include <sys/kern_memorystatus.h> 2*1031c584SApple OSS Distributions #include <sys/sysctl.h> 3*1031c584SApple OSS Distributions #include <sys/types.h> 4*1031c584SApple OSS Distributions #include <unistd.h> 5*1031c584SApple OSS Distributions 6*1031c584SApple OSS Distributions #include <darwintest.h> 7*1031c584SApple OSS Distributions 8*1031c584SApple OSS Distributions #define MAX_TASK_MEM "kern.max_task_pmem" 9*1031c584SApple OSS Distributions 10*1031c584SApple OSS Distributions T_GLOBAL_META( 11*1031c584SApple OSS Distributions T_META_NAMESPACE("xnu.vm"), 12*1031c584SApple OSS Distributions T_META_RADAR_COMPONENT_NAME("xnu"), 13*1031c584SApple OSS Distributions T_META_RADAR_COMPONENT_VERSION("VM"), 14*1031c584SApple OSS Distributions T_META_ENABLED(!TARGET_OS_OSX)); 15*1031c584SApple OSS Distributions 16*1031c584SApple OSS Distributions T_DECL(memorystatus_convert_limit_bytes, "memorystatus_convert_limit_bytes default limit") 17*1031c584SApple OSS Distributions { 18*1031c584SApple OSS Distributions int ret; 19*1031c584SApple OSS Distributions int32_t max_task_pmem = 0; 20*1031c584SApple OSS Distributions size_t size_max_task_pmem = sizeof(max_task_pmem); 21*1031c584SApple OSS Distributions 22*1031c584SApple OSS Distributions ret = sysctlbyname(MAX_TASK_MEM, &max_task_pmem, &size_max_task_pmem, NULL, 0); 23*1031c584SApple OSS Distributions T_ASSERT_POSIX_SUCCESS(ret, "call sysctlbyname to get max task physical memory."); 24*1031c584SApple OSS Distributions 25*1031c584SApple OSS Distributions ret = memorystatus_control(MEMORYSTATUS_CMD_CONVERT_MEMLIMIT_MB, getpid(), (int32_t) -1, NULL, 0); 26*1031c584SApple OSS Distributions T_QUIET; T_ASSERT_POSIX_SUCCESS(ret, "memorystatus_control"); 27*1031c584SApple OSS Distributions T_QUIET; T_ASSERT_EQ(ret, max_task_pmem, "default limit is converted correctly"); 28*1031c584SApple OSS Distributions } 29