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/*
*
* Copyright 2017 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include "src/core/lib/gpr/arena.h"
#include <inttypes.h>
#include <string.h>
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include <grpc/support/string_util.h>
#include <grpc/support/sync.h>
#include "src/core/lib/gpr/string.h"
#include "src/core/lib/gpr/useful.h"
#include "src/core/lib/gprpp/thd.h"
#include "test/core/util/test_config.h"
static void test_noop(void) { gpr_arena_destroy(gpr_arena_create(1)); }
static void test(const char* name, size_t init_size, const size_t* allocs,
size_t nallocs) {
gpr_strvec v;
char* s;
gpr_strvec_init(&v);
gpr_asprintf(&s, "test '%s': %" PRIdPTR " <- {", name, init_size);
gpr_strvec_add(&v, s);
for (size_t i = 0; i < nallocs; i++) {
gpr_asprintf(&s, "%" PRIdPTR ",", allocs[i]);
gpr_strvec_add(&v, s);
}
gpr_strvec_add(&v, gpr_strdup("}"));
s = gpr_strvec_flatten(&v, nullptr);
gpr_strvec_destroy(&v);
gpr_log(GPR_INFO, "%s", s);
gpr_free(s);
gpr_arena* a = gpr_arena_create(init_size);
void** ps = static_cast<void**>(gpr_zalloc(sizeof(*ps) * nallocs));
for (size_t i = 0; i < nallocs; i++) {
ps[i] = gpr_arena_alloc(a, allocs[i]);
// ensure the returned address is aligned
GPR_ASSERT(((intptr_t)ps[i] & 0xf) == 0);
// ensure no duplicate results
for (size_t j = 0; j < i; j++) {
GPR_ASSERT(ps[i] != ps[j]);
}
// ensure writable
memset(ps[i], 1, allocs[i]);
}
gpr_arena_destroy(a);
gpr_free(ps);
}
#define TEST(name, init_size, ...) \
static const size_t allocs_##name[] = {__VA_ARGS__}; \
test(#name, init_size, allocs_##name, GPR_ARRAY_SIZE(allocs_##name))
#define CONCURRENT_TEST_THREADS 10
size_t concurrent_test_iterations() {
if (sizeof(void*) < 8) return 1000;
return 100000;
}
typedef struct {
gpr_event ev_start;
gpr_arena* arena;
} concurrent_test_args;
static void concurrent_test_body(void* arg) {
concurrent_test_args* a = static_cast<concurrent_test_args*>(arg);
gpr_event_wait(&a->ev_start, gpr_inf_future(GPR_CLOCK_REALTIME));
for (size_t i = 0; i < concurrent_test_iterations(); i++) {
*static_cast<char*>(gpr_arena_alloc(a->arena, 1)) = static_cast<char>(i);
}
}
static void concurrent_test(void) {
gpr_log(GPR_DEBUG, "concurrent_test");
concurrent_test_args args;
gpr_event_init(&args.ev_start);
args.arena = gpr_arena_create(1024);
grpc_core::Thread thds[CONCURRENT_TEST_THREADS];
for (int i = 0; i < CONCURRENT_TEST_THREADS; i++) {
thds[i] =
grpc_core::Thread("grpc_concurrent_test", concurrent_test_body, &args);
thds[i].Start();
}
gpr_event_set(&args.ev_start, (void*)1);
for (auto& th : thds) {
th.Join();
}
gpr_arena_destroy(args.arena);
}
int main(int argc, char* argv[]) {
grpc::testing::TestEnvironment env(argc, argv);
test_noop();
TEST(0_1, 0, 1);
TEST(1_1, 1, 1);
TEST(1_2, 1, 2);
TEST(1_3, 1, 3);
TEST(1_inc, 1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11);
TEST(6_123, 6, 1, 2, 3);
concurrent_test();
return 0;
}
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