1 #include "test/jemalloc_test.h" 2 3 #define NTHREADS 10 4 5 static bool have_dss = 6 #ifdef JEMALLOC_DSS 7 true 8 #else 9 false 10 #endif 11 ; 12 13 void * 14 thd_start(void *arg) 15 { 16 unsigned thread_ind = (unsigned)(uintptr_t)arg; 17 unsigned arena_ind; 18 void *p; 19 size_t sz; 20 21 sz = sizeof(arena_ind); 22 assert_d_eq(mallctl("arenas.extend", &arena_ind, &sz, NULL, 0), 0, 23 "Error in arenas.extend"); 24 25 if (thread_ind % 4 != 3) { 26 size_t mib[3]; 27 size_t miblen = sizeof(mib) / sizeof(size_t); 28 const char *dss_precs[] = {"disabled", "primary", "secondary"}; 29 unsigned prec_ind = thread_ind % 30 (sizeof(dss_precs)/sizeof(char*)); 31 const char *dss = dss_precs[prec_ind]; 32 int expected_err = (have_dss || prec_ind == 0) ? 0 : EFAULT; 33 assert_d_eq(mallctlnametomib("arena.0.dss", mib, &miblen), 0, 34 "Error in mallctlnametomib()"); 35 mib[1] = arena_ind; 36 assert_d_eq(mallctlbymib(mib, miblen, NULL, NULL, (void *)&dss, 37 sizeof(const char *)), expected_err, 38 "Error in mallctlbymib()"); 39 } 40 41 p = mallocx(1, MALLOCX_ARENA(arena_ind)); 42 assert_ptr_not_null(p, "Unexpected mallocx() error"); 43 dallocx(p, 0); 44 45 return (NULL); 46 } 47 48 TEST_BEGIN(test_MALLOCX_ARENA) 49 { 50 thd_t thds[NTHREADS]; 51 unsigned i; 52 53 for (i = 0; i < NTHREADS; i++) { 54 thd_create(&thds[i], thd_start, 55 (void *)(uintptr_t)i); 56 } 57 58 for (i = 0; i < NTHREADS; i++) 59 thd_join(thds[i], NULL); 60 } 61 TEST_END 62 63 int 64 main(void) 65 { 66 67 return (test( 68 test_MALLOCX_ARENA)); 69 } 70
