1 /* 2 * This file and its contents are supplied under the terms of the 3 * Common Development and Distribution License ("CDDL"), version 1.0. 4 * You may only use this file in accordance with the terms of version 5 * 1.0 of the CDDL. 6 * 7 * A full copy of the text of the CDDL should have accompanied this 8 * source. A copy of the CDDL is also available via the Internet at 9 * http://www.illumos.org/license/CDDL. 10 */ 11 12 /* 13 * Copyright 2016 Joyent, Inc. 14 */ 15 16 /* 17 * Test various C11 thread-specific storage (tss(3C)) interfaces. 18 */ 19 20 #include <threads.h> 21 #include <sys/debug.h> 22 23 #define TSS_NTHREADS 128 24 25 static tss_t ct_key; 26 static int ct_count; 27 static int ct_ready; 28 static mtx_t ct_mtx; 29 static cnd_t ct_cnd; 30 31 static void 32 ct_tss_dtor(void *arg) 33 { 34 VERIFY3S(mtx_lock(&ct_mtx), ==, thrd_success); 35 ct_count++; 36 VERIFY3S(mtx_unlock(&ct_mtx), ==, thrd_success); 37 } 38 39 static int 40 ct_tss_thr(void *arg) 41 { 42 VERIFY3P(tss_get(ct_key), ==, NULL); 43 VERIFY3S(tss_set(ct_key, arg), ==, thrd_success); 44 45 VERIFY3S(mtx_lock(&ct_mtx), ==, thrd_success); 46 ct_ready++; 47 if (ct_ready == TSS_NTHREADS) { 48 VERIFY3S(cnd_broadcast(&ct_cnd), ==, thrd_success); 49 } else { 50 while (ct_ready != TSS_NTHREADS) { 51 VERIFY3S(cnd_wait(&ct_cnd, &ct_mtx), ==, thrd_success); 52 } 53 } 54 VERIFY3S(mtx_unlock(&ct_mtx), ==, thrd_success); 55 56 VERIFY3P(tss_get(ct_key), ==, arg); 57 58 return (0); 59 } 60 61 int 62 main(void) 63 { 64 int i; 65 thrd_t threads[TSS_NTHREADS]; 66 67 VERIFY3S(tss_create(&ct_key, ct_tss_dtor), ==, thrd_success); 68 VERIFY3S(mtx_init(&ct_mtx, mtx_plain), ==, thrd_success); 69 VERIFY3S(cnd_init(&ct_cnd), ==, thrd_success); 70 71 for (i = 0; i < TSS_NTHREADS; i++) { 72 VERIFY3S(thrd_create(&threads[i], ct_tss_thr, 73 (void *)(uintptr_t)(i + 100)), ==, thrd_success); 74 } 75 76 for (i = 0; i < TSS_NTHREADS; i++) { 77 VERIFY3S(thrd_join(threads[i], NULL), ==, thrd_success); 78 } 79 80 VERIFY3S(ct_count, ==, TSS_NTHREADS); 81 82 mtx_destroy(&ct_mtx); 83 cnd_destroy(&ct_cnd); 84 tss_delete(ct_key); 85 86 return (0); 87 } 88