mirror of
https://github.com/jart/cosmopolitan.git
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Do some work on TurfWar
This commit is contained in:
Justine Tunney
parent
bc353f454b
commit
05197afca2
12 changed files with 499 additions and 181 deletions
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@ -0,0 +1,57 @@
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/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2022 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/calls.h"
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#include "libc/calls/struct/sigaction.h"
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#include "libc/calls/struct/sigset.h"
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#include "libc/errno.h"
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#include "libc/sysv/consts/sig.h"
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#include "libc/testlib/testlib.h"
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#include "libc/thread/thread.h"
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_Thread_local intptr_t gotsig;
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void OnSig(int sig) {
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gotsig = sig;
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}
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void *Worker(void *arg) {
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sigset_t ss;
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sigemptyset(&ss);
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ASSERT_SYS(EINTR, -1, sigsuspend(&ss));
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return (void *)gotsig;
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}
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TEST(tkill, test) {
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if (IsWindows()) return; // TODO(jart): fix me
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int i;
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void *res;
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pthread_t t;
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sigset_t ss, oldss;
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sighandler_t oldsig;
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sigemptyset(&ss);
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sigaddset(&ss, SIGUSR1);
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oldsig = signal(SIGUSR1, OnSig);
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ASSERT_SYS(0, 0, sigprocmask(SIG_BLOCK, &ss, &oldss));
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ASSERT_EQ(0, pthread_create(&t, 0, Worker, 0));
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ASSERT_SYS(0, 0, tkill(pthread_getunique_np(t), SIGUSR1));
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ASSERT_EQ(0, pthread_join(t, &res));
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ASSERT_EQ(SIGUSR1, (intptr_t)res);
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ASSERT_SYS(0, 0, sigprocmask(SIG_SETMASK, &oldss, 0));
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signal(SIGUSR1, oldsig);
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}
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@ -16,27 +16,120 @@
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/calls.h"
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#include "libc/dce.h"
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#include "libc/intrin/kprintf.h"
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#include "libc/macros.internal.h"
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#include "libc/mem/gc.h"
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#include "libc/mem/mem.h"
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#include "libc/runtime/runtime.h"
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#include "libc/stdio/rand.h"
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#include "libc/testlib/testlib.h"
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#include "libc/thread/thread.h"
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#include "third_party/sqlite3/sqlite3.h"
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char testlib_enable_tmp_setup_teardown;
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void SetUp(void) {
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void SetUpOnce(void) {
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if (IsWindows()) exit(0);
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sqlite3_initialize();
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}
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// if we try to open a WAL database at the same time from multiple
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// threads then it's likely we'll get a SQLITE_BUSY conflict since
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// WAL mode does a complicated dance to initialize itself thus all
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// we need to do is wait a little bit, and use exponential backoff
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int DbOpen(const char *path, sqlite3 **db) {
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int i, rc;
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rc = sqlite3_open(path, db);
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if (rc != SQLITE_OK) return rc;
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for (i = 0; i < 12; ++i) {
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rc = sqlite3_exec(*db, "PRAGMA journal_mode=WAL", 0, 0, 0);
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if (rc == SQLITE_OK) break;
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if (rc != SQLITE_BUSY) return rc;
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usleep(1000L << i);
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}
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return sqlite3_exec(*db, "PRAGMA synchronous=NORMAL", 0, 0, 0);
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}
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int DbStep(sqlite3_stmt *stmt) {
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int i, rc;
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for (i = 0; i < 12; ++i) {
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rc = sqlite3_step(stmt);
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if (rc == SQLITE_ROW) break;
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if (rc == SQLITE_DONE) break;
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if (rc != SQLITE_BUSY) return rc;
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usleep(1000L << i);
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}
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return rc;
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}
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int DbExec(sqlite3 *db, const char *sql) {
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int i, rc;
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for (i = 0; i < 12; ++i) {
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rc = sqlite3_exec(db, sql, 0, 0, 0);
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if (rc == SQLITE_OK) break;
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if (rc != SQLITE_BUSY) return rc;
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usleep(1000L << i);
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}
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return rc;
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}
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int DbPrepare(sqlite3 *db, sqlite3_stmt **stmt, const char *sql) {
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return sqlite3_prepare_v2(db, sql, -1, stmt, 0);
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}
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void *Worker(void *arg) {
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int rc;
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sqlite3 *db;
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sqlite3_stmt *stmt[2];
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static const char *const kNames[] = {"alice", "bob", "varu", "vader"};
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ASSERT_EQ(SQLITE_OK, DbOpen("foo.sqlite", &db));
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ASSERT_EQ(SQLITE_OK, DbPrepare(db, &stmt[0],
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"INSERT INTO t (id, name) VALUES (?1, ?2)"));
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ASSERT_EQ(SQLITE_OK, DbPrepare(db, &stmt[1],
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"SELECT name, COUNT(*) FROM t GROUP BY name"));
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for (int j = 0; j < 50; ++j) {
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ASSERT_EQ(SQLITE_OK, DbExec(db, "BEGIN TRANSACTION"));
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for (int i = 0; i < 4; ++i) {
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ASSERT_EQ(SQLITE_OK, sqlite3_bind_int64(stmt[0], 1, rand64()));
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ASSERT_EQ(SQLITE_OK, sqlite3_bind_text(
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stmt[0], 2, kNames[rand64() % ARRAYLEN(kNames)],
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-1, SQLITE_TRANSIENT));
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ASSERT_EQ(SQLITE_DONE, DbStep(stmt[0]));
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ASSERT_EQ(SQLITE_OK, sqlite3_reset(stmt[0]));
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}
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ASSERT_EQ(SQLITE_OK, DbExec(db, "COMMIT TRANSACTION"));
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ASSERT_EQ(SQLITE_OK, DbExec(db, "BEGIN TRANSACTION"));
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for (;;) {
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rc = DbStep(stmt[1]);
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if (rc == SQLITE_DONE) break;
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ASSERT_EQ(SQLITE_ROW, rc);
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}
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ASSERT_EQ(SQLITE_OK, sqlite3_reset(stmt[1]));
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ASSERT_EQ(SQLITE_OK, DbExec(db, "END TRANSACTION"));
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}
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ASSERT_EQ(SQLITE_OK, sqlite3_finalize(stmt[1]));
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ASSERT_EQ(SQLITE_OK, sqlite3_finalize(stmt[0]));
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ASSERT_EQ(SQLITE_OK, sqlite3_close(db));
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return 0;
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}
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TEST(sqlite, test) {
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sqlite3 *db;
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sqlite3_stmt *stmt;
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ASSERT_EQ(SQLITE_OK, sqlite3_open("foo.sqlite", &db));
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ASSERT_EQ(SQLITE_OK,
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sqlite3_prepare_v2(db, "PRAGMA synchronous=0", -1, &stmt, 0));
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ASSERT_EQ(SQLITE_DONE, sqlite3_step(stmt));
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ASSERT_EQ(SQLITE_OK, sqlite3_finalize(stmt));
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ASSERT_EQ(SQLITE_OK,
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sqlite3_prepare_v2(db, "CREATE TABLE t (x INTEGER)", -1, &stmt, 0));
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ASSERT_EQ(SQLITE_DONE, sqlite3_step(stmt));
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ASSERT_EQ(SQLITE_OK, sqlite3_finalize(stmt));
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ASSERT_EQ(SQLITE_OK, DbOpen("foo.sqlite", &db));
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ASSERT_EQ(SQLITE_OK, DbExec(db, "PRAGMA synchronous=0"));
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ASSERT_EQ(SQLITE_OK, DbExec(db, "CREATE TABLE t (\n"
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" id INTEGER,\n"
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" name TEXT\n"
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")"));
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ASSERT_EQ(SQLITE_OK, sqlite3_close(db));
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int i, n = 4;
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pthread_t *t = _gc(malloc(sizeof(pthread_t) * n));
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for (i = 0; i < n; ++i) {
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ASSERT_EQ(0, pthread_create(t + i, 0, Worker, 0));
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}
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for (i = 0; i < n; ++i) {
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ASSERT_EQ(0, pthread_join(t[i], 0));
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}
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}
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@ -42,10 +42,11 @@ TEST_TOOL_NET_DIRECTDEPS = \
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LIBC_STUBS \
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LIBC_SYSV \
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LIBC_TESTLIB \
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LIBC_THREAD \
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LIBC_X \
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LIBC_ZIPOS \
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THIRD_PARTY_REGEX \
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THIRD_PARTY_MBEDTLS \
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THIRD_PARTY_REGEX \
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THIRD_PARTY_SQLITE3
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TEST_TOOL_NET_DEPS := \
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