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Fix select() on Windows for timeout (#141)

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Justine Tunney 2021-08-26 15:59:55 -07:00
parent 3085ac7837
commit 50937be752
6 changed files with 108 additions and 36 deletions
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43
test/libc/sock/select_test.c Normal file
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/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2021 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/struct/timeval.h"
#include "libc/sock/select.h"
#include "libc/sock/sock.h"
#include "libc/testlib/testlib.h"
#include "libc/time/time.h"
TEST(select, allZero) {
/* blocks indefinitely not worth supporting */
/* EXPECT_SYS(0, 0, select(0, 0, 0, 0, 0)); */
}
TEST(select, testSleep) {
int64_t e;
long double n;
struct timeval t = {0, 2000};
n = nowl();
EXPECT_SYS(0, 0, select(0, 0, 0, 0, &t));
e = (nowl() - n) * 1e6;
EXPECT_GT(e, 1000);
if (!IsBsd()) {
/* maybe we should polyfill */
EXPECT_EQ(0, t.tv_sec);
EXPECT_EQ(0, t.tv_usec);
}
}