| /* Test for _Atomic in C11. Test that compare-and-exchange is |
| operating properly when operations on the same variable are carried |
| out in two threads. */ |
| /* { dg-do run } */ |
| /* { dg-options "-std=c11 -pedantic-errors -pthread -U_POSIX_C_SOURCE -D_POSIX_C_SOURCE=200809L" } */ |
| /* { dg-additional-options "-D_XOPEN_SOURCE=600" { target *-*-solaris2* } } */ |
| /* { dg-require-effective-target pthread } */ |
| |
| #include <stdint.h> |
| #include <pthread.h> |
| #include <stdbool.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| |
| #define ITER_COUNT 10000 |
| |
| static volatile _Atomic bool thread_ready; |
| |
| /* Generate test code (with NAME used to name functions and variables) |
| for atomic compound assignments to a variable of type LHSTYPE. The |
| variable is initialized to INIT, then PRE var POST is executed |
| ITER_COUNT times in each of two threads, and the final result |
| should be FINAL. A function test_main_##NAME is generated that |
| returns nonzero on failure, zero on success. */ |
| |
| #define TEST_FUNCS(NAME, LHSTYPE, PRE, POST, INIT, FINAL) \ |
| \ |
| static volatile _Atomic LHSTYPE var_##NAME = (INIT); \ |
| \ |
| static void * \ |
| test_thread_##NAME (void *arg) \ |
| { \ |
| thread_ready = true; \ |
| for (int i = 0; i < ITER_COUNT; i++) \ |
| PRE var_##NAME POST; \ |
| return NULL; \ |
| } \ |
| \ |
| static int \ |
| test_main_##NAME (void) \ |
| { \ |
| thread_ready = false; \ |
| pthread_t thread_id; \ |
| int pret = pthread_create (&thread_id, NULL, test_thread_##NAME, \ |
| NULL); \ |
| if (pret != 0) \ |
| { \ |
| printf ("pthread_create failed: %d\n", pret); \ |
| return 1; \ |
| } \ |
| while (!thread_ready) \ |
| ; \ |
| for (int i = 0; i < ITER_COUNT; i++) \ |
| PRE var_##NAME POST; \ |
| pthread_join (thread_id, NULL); \ |
| if (var_##NAME != (FINAL)) \ |
| { \ |
| printf (#NAME " failed\n"); \ |
| return 1; \ |
| } \ |
| else \ |
| { \ |
| printf (#NAME " passed\n"); \ |
| return 0; \ |
| } \ |
| } |
| |
| TEST_FUNCS (uint8_add, uint8_t, , += 1, 0, (uint8_t) 20000) |
| TEST_FUNCS (uint8_add_3, uint8_t, , += 3, 0, (uint8_t) 60000) |
| TEST_FUNCS (uint16_add, uint16_t, , += 1, 0, (uint16_t) 20000) |
| TEST_FUNCS (uint16_add_3, uint16_t, , += 3, 0, (uint16_t) 60000) |
| TEST_FUNCS (uint32_add, uint32_t, , += 1, 0, (uint32_t) 20000) |
| TEST_FUNCS (uint32_add_3, uint32_t, , += 3, 0, (uint32_t) 60000) |
| TEST_FUNCS (uint64_add, uint64_t, , += 1, 0, (uint64_t) 20000) |
| TEST_FUNCS (uint64_add_3, uint64_t, , += 3, 0, (uint64_t) 60000) |
| TEST_FUNCS (uint64_add_neg, uint64_t, , += 1, -10000, (uint64_t) 10000) |
| TEST_FUNCS (float_add, float, , += 1, 0, 20000) |
| TEST_FUNCS (double_add, double, , += 1, 0, 20000) |
| TEST_FUNCS (long_double_add, long double, , += 1, 0, 20000) |
| TEST_FUNCS (complex_float_add, _Complex float, , += 1, 0, 20000) |
| TEST_FUNCS (complex_double_add, _Complex double, , += 1, 0, 20000) |
| TEST_FUNCS (complex_long_double_add, _Complex long double, , += 1, 0, 20000) |
| TEST_FUNCS (uint8_postinc, uint8_t, , ++, 0, (uint8_t) 20000) |
| TEST_FUNCS (uint16_postinc, uint16_t, , ++, 0, (uint16_t) 20000) |
| TEST_FUNCS (uint32_postinc, uint32_t, , ++, 0, (uint32_t) 20000) |
| TEST_FUNCS (uint64_postinc, uint64_t, , ++, 0, (uint64_t) 20000) |
| TEST_FUNCS (uint64_postinc_neg, uint64_t, , ++, -10000, (uint64_t) 10000) |
| TEST_FUNCS (float_postinc, float, , ++, 0, 20000) |
| TEST_FUNCS (double_postinc, double, , ++, 0, 20000) |
| TEST_FUNCS (long_double_postinc, long double, , ++, 0, 20000) |
| TEST_FUNCS (uint8_preinc, uint8_t, ++, , 0, (uint8_t) 20000) |
| TEST_FUNCS (uint16_preinc, uint16_t, ++, , 0, (uint16_t) 20000) |
| TEST_FUNCS (uint32_preinc, uint32_t, ++, , 0, (uint32_t) 20000) |
| TEST_FUNCS (uint64_preinc, uint64_t, ++, , 0, (uint64_t) 20000) |
| TEST_FUNCS (uint64_preinc_neg, uint64_t, ++, , -10000, (uint64_t) 10000) |
| TEST_FUNCS (float_preinc, float, ++, , 0, 20000) |
| TEST_FUNCS (double_preinc, double, ++, , 0, 20000) |
| TEST_FUNCS (long_double_preinc, long double, ++, , 0, 20000) |
| TEST_FUNCS (uint8_sub, uint8_t, , -= 1, 0, (uint8_t) -20000) |
| TEST_FUNCS (uint8_sub_3, uint8_t, , -= 3, 0, (uint8_t) -60000) |
| TEST_FUNCS (uint16_sub, uint16_t, , -= 1, 0, (uint16_t) -20000) |
| TEST_FUNCS (uint16_sub_3, uint16_t, , -= 3, 0, (uint16_t) -60000) |
| TEST_FUNCS (uint32_sub, uint32_t, , -= 1, 0, (uint32_t) -20000) |
| TEST_FUNCS (uint32_sub_3, uint32_t, , -= 3, 0, (uint32_t) -60000) |
| TEST_FUNCS (uint64_sub, uint64_t, , -= 1, 0, (uint64_t) -20000) |
| TEST_FUNCS (uint64_sub_3, uint64_t, , -= 3, 0, (uint64_t) -60000) |
| TEST_FUNCS (uint64_sub_neg, uint64_t, , -= 1, 10000, (uint64_t) -10000) |
| TEST_FUNCS (float_sub, float, , -= 1, 0, -20000) |
| TEST_FUNCS (double_sub, double, , -= 1, 0, -20000) |
| TEST_FUNCS (long_double_sub, long double, , -= 1, 0, -20000) |
| TEST_FUNCS (complex_float_sub, _Complex float, , -= 1, 0, -20000) |
| TEST_FUNCS (complex_double_sub, _Complex double, , -= 1, 0, -20000) |
| TEST_FUNCS (complex_long_double_sub, _Complex long double, , -= 1, 0, -20000) |
| TEST_FUNCS (uint8_postdec, uint8_t, , --, 0, (uint8_t) -20000) |
| TEST_FUNCS (uint16_postdec, uint16_t, , --, 0, (uint16_t) -20000) |
| TEST_FUNCS (uint32_postdec, uint32_t, , --, 0, (uint32_t) -20000) |
| TEST_FUNCS (uint64_postdec, uint64_t, , --, 0, (uint64_t) -20000) |
| TEST_FUNCS (uint64_postdec_neg, uint64_t, , --, 10000, (uint64_t) -10000) |
| TEST_FUNCS (float_postdec, float, , --, 0, -20000) |
| TEST_FUNCS (double_postdec, double, , --, 0, -20000) |
| TEST_FUNCS (long_double_postdec, long double, , --, 0, -20000) |
| TEST_FUNCS (uint8_predec, uint8_t, --, , 0, (uint8_t) -20000) |
| TEST_FUNCS (uint16_predec, uint16_t, --, , 0, (uint16_t) -20000) |
| TEST_FUNCS (uint32_predec, uint32_t, --, , 0, (uint32_t) -20000) |
| TEST_FUNCS (uint64_predec, uint64_t, --, , 0, (uint64_t) -20000) |
| TEST_FUNCS (uint64_predec_neg, uint64_t, --, , 10000, (uint64_t) -10000) |
| TEST_FUNCS (float_predec, float, --, , 0, -20000) |
| TEST_FUNCS (double_predec, double, --, , 0, -20000) |
| TEST_FUNCS (long_double_predec, long double, --, , 0, -20000) |
| TEST_FUNCS (uint8_mul, uint8_t, , *= 3, 1, (uint8_t) 0x81) |
| TEST_FUNCS (uint16_mul, uint16_t, , *= 3, 1, (uint16_t) 0x9681) |
| TEST_FUNCS (uint32_mul, uint32_t, , *= 3, 1, (uint32_t) 0x62b49681U) |
| TEST_FUNCS (uint64_mul, uint64_t, , *= 3, 1, (uint64_t) 0xcd926beb62b49681ULL) |
| |
| int |
| main (void) |
| { |
| int ret = 0; |
| ret |= test_main_uint8_add (); |
| ret |= test_main_uint8_add_3 (); |
| ret |= test_main_uint16_add (); |
| ret |= test_main_uint16_add_3 (); |
| ret |= test_main_uint32_add (); |
| ret |= test_main_uint32_add_3 (); |
| ret |= test_main_uint64_add (); |
| ret |= test_main_uint64_add_3 (); |
| ret |= test_main_uint64_add_neg (); |
| ret |= test_main_float_add (); |
| ret |= test_main_double_add (); |
| ret |= test_main_long_double_add (); |
| ret |= test_main_complex_float_add (); |
| ret |= test_main_complex_double_add (); |
| ret |= test_main_complex_long_double_add (); |
| ret |= test_main_uint8_postinc (); |
| ret |= test_main_uint16_postinc (); |
| ret |= test_main_uint32_postinc (); |
| ret |= test_main_uint64_postinc (); |
| ret |= test_main_uint64_postinc_neg (); |
| ret |= test_main_float_postinc (); |
| ret |= test_main_double_postinc (); |
| ret |= test_main_long_double_postinc (); |
| ret |= test_main_uint8_preinc (); |
| ret |= test_main_uint16_preinc (); |
| ret |= test_main_uint32_preinc (); |
| ret |= test_main_uint64_preinc (); |
| ret |= test_main_uint64_preinc_neg (); |
| ret |= test_main_float_preinc (); |
| ret |= test_main_double_preinc (); |
| ret |= test_main_long_double_preinc (); |
| ret |= test_main_uint8_sub (); |
| ret |= test_main_uint8_sub_3 (); |
| ret |= test_main_uint16_sub (); |
| ret |= test_main_uint16_sub_3 (); |
| ret |= test_main_uint32_sub (); |
| ret |= test_main_uint32_sub_3 (); |
| ret |= test_main_uint64_sub (); |
| ret |= test_main_uint64_sub_3 (); |
| ret |= test_main_uint64_sub_neg (); |
| ret |= test_main_float_sub (); |
| ret |= test_main_double_sub (); |
| ret |= test_main_long_double_sub (); |
| ret |= test_main_complex_float_sub (); |
| ret |= test_main_complex_double_sub (); |
| ret |= test_main_complex_long_double_sub (); |
| ret |= test_main_uint8_postdec (); |
| ret |= test_main_uint16_postdec (); |
| ret |= test_main_uint32_postdec (); |
| ret |= test_main_uint64_postdec (); |
| ret |= test_main_uint64_postdec_neg (); |
| ret |= test_main_float_postdec (); |
| ret |= test_main_double_postdec (); |
| ret |= test_main_long_double_postdec (); |
| ret |= test_main_uint8_predec (); |
| ret |= test_main_uint16_predec (); |
| ret |= test_main_uint32_predec (); |
| ret |= test_main_uint64_predec (); |
| ret |= test_main_uint64_predec_neg (); |
| ret |= test_main_float_predec (); |
| ret |= test_main_double_predec (); |
| ret |= test_main_long_double_predec (); |
| ret |= test_main_uint8_mul (); |
| ret |= test_main_uint16_mul (); |
| ret |= test_main_uint32_mul (); |
| ret |= test_main_uint64_mul (); |
| if (ret) |
| abort (); |
| else |
| exit (0); |
| } |
