1 // malloc should not fail if brk fails but mmap can still allocate
5 #include <sys/resource.h>
8 #define T(f) ((f)==0 || (t_error(#f " failed: %s\n", strerror(errno)), 0))
17 // fill memory, largest mmaped area is [p,p+n)
18 if (t_vmfill(&p, &n, 1) < 1 || n < 2*65536) {
19 t_error("vmfill failed\n");
23 T(t_setrlim(RLIMIT_DATA, 0));
25 // malloc should fail here
29 t_error("malloc(10000) succeeded after memory is filled\n");
30 else if (errno != ENOMEM)
31 t_error("malloc did not fail with ENOMEM, got %s\n", strerror(errno));
33 // make some space available for mmap
34 T(munmap(p+65536, 65536));
36 // malloc should succeed now
39 t_error("malloc(10000) failed (eventhough 64k is available to mmap): %s\n", strerror(errno));