Re: [libvirt] Memory free in libvirt JNA

Hi, I wrote a code to verify the memory leak problem as following. C code in so: void checkJNAMemLeak1(int **head, int *length) { long i = 0; *head = (int *)malloc(sizeof(int) * 100000000); for(i=0; i<100000000; i++) { (*head)[i] = 1; } *length = 100000000; } Java code: public static void testJNAMemLeak1() { PointerByReference head = new PointerByReference(); IntByReference length = new IntByReference(); while(true) { libben.checkJNAMemLeak1(head, length); System.out.println(length.getValue()); sleep(1); } } When we check memory by top command, the virt and res will increase very quickly. When we check with jconsole, there is no memory in Java heap. Even I execute GC manually by jconsole. Nothing happen. If I change java code as following: public static void testJNAMemLeak1() { PointerByReference head = new PointerByReference(); IntByReference length = new IntByReference(); while(true) { libben.checkJNAMemLeak1(head, length); System.out.println(length.getValue()); sleep(1); libc.free(head.getValue()); } } public static void testJNAMemLeak1() { PointerByReference head = new PointerByReference(); IntByReference length = new IntByReference(); while(true) { libben.checkJNAMemLeak1(head, length); System.out.println(length.getValue()); sleep(1); libc.free(head.getValue()); } } Then everything works well. The virt and res will not increase. I think we must provide the free functions for all the memory allocated by libvirt.