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/* 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 *-*-solaris2.1[0-9]* } } */
/* { 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);
}
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