1*27b03b36SApple OSS Distributions #include <sys/kern_sysctl.h> 2*27b03b36SApple OSS Distributions #include <sys/sysctl.h> 3*27b03b36SApple OSS Distributions #include <dispatch/dispatch.h> 4*27b03b36SApple OSS Distributions #include <darwintest.h> 5*27b03b36SApple OSS Distributions 6*27b03b36SApple OSS Distributions #include "test_utils.h" 7*27b03b36SApple OSS Distributions 8*27b03b36SApple OSS Distributions bool is_development_kernel()9*27b03b36SApple OSS Distributionsis_development_kernel() 10*27b03b36SApple OSS Distributions { 11*27b03b36SApple OSS Distributions static dispatch_once_t is_development_once; 12*27b03b36SApple OSS Distributions static bool is_development; 13*27b03b36SApple OSS Distributions 14*27b03b36SApple OSS Distributions dispatch_once(&is_development_once, ^{ 15*27b03b36SApple OSS Distributions int dev; 16*27b03b36SApple OSS Distributions size_t dev_size = sizeof(dev); 17*27b03b36SApple OSS Distributions 18*27b03b36SApple OSS Distributions T_QUIET; 19*27b03b36SApple OSS Distributions T_ASSERT_POSIX_SUCCESS(sysctlbyname("kern.development", &dev, 20*27b03b36SApple OSS Distributions &dev_size, NULL, 0), NULL); 21*27b03b36SApple OSS Distributions is_development = (dev != 0); 22*27b03b36SApple OSS Distributions }); 23*27b03b36SApple OSS Distributions 24*27b03b36SApple OSS Distributions return is_development; 25*27b03b36SApple OSS Distributions } 26