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Initial import of libdpf.

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Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
Ryan Henry 2026-09-24 14:08:32 -06:00
commit e4e666f459
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101
thirdparty/portable-snippets/tests/atomic.c vendored Normal file
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#include <stdlib.h>
#include "../exact-int/exact-int.h"
#include "../atomic/atomic.h"
#include "munit/munit.h"
#if !defined(PSNIP_ATOMIC_NOT_FOUND)
static psnip_atomic_int64 value64 = PSNIP_ATOMIC_VAR_INIT(9);
static psnip_atomic_int32 value32 = PSNIP_ATOMIC_VAR_INIT(9);
#endif
static MunitResult
test_atomic_int64(const MunitParameter params[], void* data) {
#if !defined(PSNIP_ATOMIC_NOT_FOUND)
psnip_int64_t v, expected;
#endif
(void) params;
(void) data;
#if !defined(PSNIP_ATOMIC_NOT_FOUND)
v = psnip_atomic_int64_load(&value64);
munit_assert_int64(v, ==, 9);
v = v * v * v;
psnip_atomic_int64_store(&value64, v);
v = psnip_atomic_int64_load(&value64);
munit_assert_int64(v, ==, 729);
psnip_atomic_int64_add(&value64, 1000);
v = psnip_atomic_int64_load(&value64);
munit_assert_int64(v, ==, 1729);
psnip_atomic_int64_sub(&value64, 729);
v = psnip_atomic_int64_load(&value64);
munit_assert_int64(v, ==, 1000);
do {
expected = psnip_atomic_int64_load(&value64);
v = expected * expected;
} while (!psnip_atomic_int64_compare_exchange(&value64, &expected, v));
v = psnip_atomic_int64_load(&value64);
munit_assert_int64(v, ==, 1000 * 1000);
return MUNIT_OK;
#else
return MUNIT_SKIP;
#endif
}
static MunitResult
test_atomic_int32(const MunitParameter params[], void* data) {
#if !defined(PSNIP_ATOMIC_NOT_FOUND)
psnip_int32_t v, expected;
#endif
(void) params;
(void) data;
#if !defined(PSNIP_ATOMIC_NOT_FOUND)
v = psnip_atomic_int32_load(&value32);
munit_assert_int32(v, ==, 9);
v = v * v * v;
psnip_atomic_int32_store(&value32, v);
v = psnip_atomic_int32_load(&value32);
munit_assert_int32(v, ==, 729);
psnip_atomic_int32_add(&value32, 1000);
v = psnip_atomic_int32_load(&value32);
munit_assert_int32(v, ==, 1729);
psnip_atomic_int32_sub(&value32, 729);
v = psnip_atomic_int32_load(&value32);
munit_assert_int32(v, ==, 1000);
do {
expected = psnip_atomic_int32_load(&value32);
v = expected * expected;
} while (!psnip_atomic_int32_compare_exchange(&value32, &expected, v));
v = psnip_atomic_int32_load(&value32);
munit_assert_int32(v, ==, 1000 * 1000);
return MUNIT_OK;
#else
return MUNIT_SKIP;
#endif
}
static MunitTest test_suite_tests[] = {
{ (char*) "/atomic/int64", test_atomic_int64, NULL, NULL, MUNIT_TEST_OPTION_NONE, NULL },
{ (char*) "/atomic/int32", test_atomic_int32, NULL, NULL, MUNIT_TEST_OPTION_NONE, NULL },
{ NULL, NULL, NULL, NULL, MUNIT_TEST_OPTION_NONE, NULL }
};
static const MunitSuite test_suite = {
(char*) "", test_suite_tests, NULL, 1, MUNIT_SUITE_OPTION_NONE
};
int main(int argc, char* argv[MUNIT_ARRAY_PARAM(argc + 1)]) {
return munit_suite_main(&test_suite, NULL, argc, argv);
}