mirror of
https://github.com/jart/cosmopolitan.git
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129 lines
4.8 KiB
C
129 lines
4.8 KiB
C
/*-*- 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/internal.h"
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#include "libc/calls/state.internal.h"
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#include "libc/calls/struct/itimerval.h"
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#include "libc/calls/struct/rlimit.h"
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#include "libc/calls/struct/sigaction.h"
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#include "libc/errno.h"
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#include "libc/macros.internal.h"
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#include "libc/runtime/internal.h"
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#include "libc/runtime/stack.h"
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#include "libc/stdio/rand.h"
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#include "libc/str/str.h"
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#include "libc/sysv/consts/clone.h"
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#include "libc/sysv/consts/itimer.h"
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#include "libc/sysv/consts/map.h"
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#include "libc/sysv/consts/o.h"
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#include "libc/sysv/consts/prot.h"
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#include "libc/sysv/consts/rlimit.h"
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#include "libc/sysv/consts/sa.h"
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#include "libc/sysv/consts/sig.h"
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#include "libc/testlib/hyperion.h"
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#include "libc/testlib/testlib.h"
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#include "libc/thread/spawn.h"
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#include "libc/thread/tls.h"
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#include "libc/thread/wait0.internal.h"
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#include "libc/time/struct/tm.h"
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#include "libc/time/time.h"
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STATIC_YOINK("zip_uri_support");
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STATIC_YOINK("libc/testlib/hyperion.txt");
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#define THREADS 8
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void SetUpOnce(void) {
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__enable_threads();
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ASSERT_SYS(0, 0, pledge("stdio rpath", 0));
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}
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void PullSomeZipFilesIntoLinkage(void) {
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gmtime(0);
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}
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TEST(reservefd, testGrowthOfFdsDataStructure) {
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int i, n;
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struct rlimit rlim;
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n = 1700; // pe '2**16/40' → 1638 (likely value of g_fds.n)
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if (!getrlimit(RLIMIT_NOFILE, &rlim)) n = MIN(n, rlim.rlim_cur - 3);
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for (i = 0; i < n; ++i) {
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EXPECT_SYS(0, i + 3, open("/zip/usr/share/zoneinfo/UTC", O_RDONLY));
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}
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ASSERT_GT(g_fds.n, OPEN_MAX);
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for (i = 0; i < n; ++i) {
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EXPECT_SYS(0, 0, close(i + 3));
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}
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}
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void OnSigAlrm(int sig, siginfo_t *si, void *ctx) {
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int rc, fd;
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char buf[64];
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ASSERT_NE(-1, (fd = open("/zip/libc/testlib/hyperion.txt", O_RDONLY)));
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for (;;) {
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rc = read(fd, buf, 64);
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if (rc != -1) {
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ASSERT_EQ(64, rc);
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break;
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} else {
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ASSERT_EQ(EINTR, errno);
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errno = 0;
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}
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}
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ASSERT_EQ(0, memcmp(kHyperion, buf, 64));
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close(fd); // can eintr which doesn't matter
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}
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int Worker(void *p, int tid) {
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char buf[64];
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int i, rc, fd;
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for (i = 0; i < 64; ++i) {
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ASSERT_NE(-1, (fd = open("/zip/libc/testlib/hyperion.txt", O_RDONLY)));
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usleep(_rand64() % 100);
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for (;;) {
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rc = read(fd, buf, 64);
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if (rc != -1) {
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ASSERT_EQ(64, rc);
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break;
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} else {
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ASSERT_EQ(EINTR, errno);
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errno = 0;
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}
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}
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ASSERT_EQ(0, memcmp(kHyperion, buf, 64));
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close(fd);
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}
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return 0;
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}
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TEST(reservefd, tortureTest) {
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int i;
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struct spawn th[THREADS];
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struct sigaction oldsa;
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struct itimerval oldit;
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struct itimerval it = {{0, 10000}, {0, 100}};
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struct sigaction sa = {.sa_sigaction = OnSigAlrm,
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.sa_flags = 0 /* SA_NODEFER */};
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// ASSERT_SYS(0, 0, sigaction(SIGALRM, &sa, &oldsa));
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// ASSERT_SYS(0, 0, setitimer(ITIMER_REAL, &it, &oldit));
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for (i = 0; i < THREADS; ++i) _spawn(Worker, 0, th + i);
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for (i = 0; i < THREADS; ++i) _join(th + i);
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// EXPECT_SYS(0, 0, sigaction(SIGALRM, &oldsa, 0));
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// EXPECT_SYS(0, 0, setitimer(ITIMER_REAL, &oldit, 0));
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}
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