1 #include "test/jemalloc_test.h" 2 3 /* 4 * Sleep for approximately ns nanoseconds. No lower *nor* upper bound on sleep 5 * time is guaranteed. 6 */ 7 void 8 sleep_ns(unsigned ns) { 9 assert(ns <= 1000*1000*1000); 10 11 #ifdef _WIN32 12 Sleep(ns / 1000 / 1000); 13 #else 14 { 15 struct timespec timeout; 16 17 if (ns < 1000*1000*1000) { 18 timeout.tv_sec = 0; 19 timeout.tv_nsec = ns; 20 } else { 21 timeout.tv_sec = 1; 22 timeout.tv_nsec = 0; 23 } 24 nanosleep(&timeout, NULL); 25 } 26 #endif 27 } 28