mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-06-28 15:28:30 +00:00
Fix bugs and make improvements
- Get clone() working on FreeBSD - Increase some Python build quotas - Add more atomic builtins to chibicc - Fix ASAN poisoning of alloca() memory - Make MODE= mandatory link path tinier - Improve the examples folder a little bit - Start working on some more resource limits - Make the linenoise auto-complete UI as good as GNU readline - Update compile.com, avoiding AVX codegen on non-AVX systems - Make sure empty path to syscalls like opendir raises ENOENT - Correctly polyfill ENOENT vs. ENOTDIR on the New Technology - Port bestline's paredit features to //third_party/linenoise - Remove workarounds for RHEL 5.0 bugs that were fixed in 5.1
This commit is contained in:
Justine Tunney
parent
c3fb624647
commit
ae638c0850
181 changed files with 2994 additions and 1367 deletions
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@ -18,23 +18,37 @@
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/bits/bits.h"
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#include "libc/bits/safemacros.internal.h"
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#include "libc/bits/weaken.h"
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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/sigbits.h"
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#include "libc/calls/strace.internal.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/calls/struct/sigset.h"
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#include "libc/dce.h"
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#include "libc/intrin/asan.internal.h"
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#include "libc/intrin/kprintf.h"
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#include "libc/log/check.h"
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#include "libc/log/color.internal.h"
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#include "libc/log/libfatal.internal.h"
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#include "libc/log/log.h"
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#include "libc/macros.internal.h"
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#include "libc/mem/mem.h"
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#include "libc/nexgen32e/x86feature.h"
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#include "libc/runtime/internal.h"
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#include "libc/runtime/memtrack.internal.h"
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#include "libc/runtime/runtime.h"
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#include "libc/runtime/symbols.internal.h"
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#include "libc/runtime/sysconf.h"
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#include "libc/sock/sock.h"
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#include "libc/stdio/stdio.h"
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#include "libc/sysv/consts/ex.h"
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#include "libc/sysv/consts/exit.h"
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#include "libc/sysv/consts/f.h"
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#include "libc/sysv/consts/o.h"
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#include "libc/sysv/consts/poll.h"
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#include "libc/sysv/consts/rlimit.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 "third_party/dlmalloc/dlmalloc.h"
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@ -81,16 +95,75 @@ void GetOpts(int argc, char *argv[]) {
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}
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}
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static void EmptySignalMask(void) {
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sigset_t ss;
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sigemptyset(&ss);
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sigprocmask(SIG_SETMASK, &ss, 0);
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}
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static void FixIrregularFds(void) {
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int i;
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struct pollfd pfds[64];
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for (i = 0; i < 3; ++i) {
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if (fcntl(0, F_GETFL) == -1) {
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CHECK_EQ(0, open("/dev/null", O_RDWR));
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}
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}
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for (i = 0; i < ARRAYLEN(pfds); ++i) {
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pfds[i].fd = i + 3;
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pfds[i].events = POLLIN;
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}
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if (poll(pfds, ARRAYLEN(pfds), 0) != -1) {
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for (i = 0; i < ARRAYLEN(pfds); ++i) {
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if (pfds[i].revents & POLLNVAL) continue;
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CHECK_EQ(0, close(pfds[i].fd));
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}
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}
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}
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static void SetLimit(int resource, uint64_t soft, uint64_t hard) {
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struct rlimit old;
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struct rlimit lim = {soft, hard};
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if (resource == 127) return;
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if (setrlimit(resource, &lim) == -1) {
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if (!getrlimit(resource, &old)) {
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lim.rlim_max = MIN(hard, old.rlim_max);
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lim.rlim_cur = MIN(soft, lim.rlim_max);
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setrlimit(resource, &lim);
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}
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}
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}
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/**
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* Generic test program main function.
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*/
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noasan int main(int argc, char *argv[]) {
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unsigned cpus;
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const char *comdbg;
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__log_level = kLogInfo;
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GetOpts(argc, argv);
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// normalize this process
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FixIrregularFds();
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EmptySignalMask();
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ShowCrashReports();
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// so the test runner can terminate unknown children without
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// accidentally killing parent processes
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if (!IsWindows() && weaken(fork)) {
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setpgrp();
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}
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// prevent runaway tests from bombing the computer
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cpus = GetCpuCount();
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cpus = MAX(4, cpus);
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SetLimit(RLIMIT_NOFILE, 32, 128);
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SetLimit(RLIMIT_SIGPENDING, 16, 16384);
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SetLimit(RLIMIT_NPROC, cpus * 8, 2048);
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// now get down to business
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g_testlib_shoulddebugbreak = IsDebuggerPresent(false);
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if (!IsWindows()) sys_getpid(); /* make strace easier to read */
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if (!IsWindows()) sys_getpid(); // make strace easier to read
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testlib_clearxmmregisters();
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testlib_runalltests();
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if (!g_testlib_failed && runbenchmarks_ && weaken(testlib_runallbenchmarks)) {
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@ -99,10 +172,12 @@ noasan int main(int argc, char *argv[]) {
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CheckForMemoryLeaks();
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}
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if (!g_testlib_failed && IsRunningUnderMake()) {
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return 254; /* compile.com considers this 0 and propagates output */
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return 254; // compile.com considers this 0 and propagates output
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}
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} else if (!g_testlib_failed) {
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CheckForMemoryLeaks();
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}
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// we're done!
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exit(min(255, g_testlib_failed));
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}
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@ -16,29 +16,39 @@
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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/assert.h"
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#include "libc/bits/weaken.h"
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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/sigbits.h"
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#include "libc/calls/strace.internal.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/dce.h"
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#include "libc/errno.h"
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#include "libc/fmt/fmt.h"
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#include "libc/fmt/itoa.h"
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#include "libc/intrin/kprintf.h"
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#include "libc/log/check.h"
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#include "libc/log/internal.h"
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#include "libc/macros.internal.h"
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#include "libc/nt/process.h"
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#include "libc/runtime/runtime.h"
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#include "libc/runtime/symbols.internal.h"
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#include "libc/sock/sock.h"
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#include "libc/stdio/stdio.h"
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#include "libc/str/str.h"
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#include "libc/sysv/consts/poll.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/sysv/consts/w.h"
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#include "libc/testlib/testlib.h"
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#include "libc/x/x.h"
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static int x;
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char g_testlib_olddir[PATH_MAX];
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char g_testlib_tmpdir[PATH_MAX];
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struct sigaction wanthandlers[31];
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void testlib_finish(void) {
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if (g_testlib_failed) {
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@ -61,7 +71,6 @@ static void SetupTmpDir(void) {
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p = FormatInt64(p, x++);
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p[0] = '\0';
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CHECK_NE(-1, makedirs(g_testlib_tmpdir, 0755), "%s", g_testlib_tmpdir);
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CHECK_EQ(1, isdirectory(g_testlib_tmpdir), "%s", g_testlib_tmpdir);
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CHECK_NOTNULL(realpath(g_testlib_tmpdir, g_testlib_tmpdir), "%`'s",
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g_testlib_tmpdir);
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CHECK_NE(-1, chdir(g_testlib_tmpdir), "%s", g_testlib_tmpdir);
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static void TearDownTmpDir(void) {
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CHECK_NE(-1, chdir(g_testlib_olddir));
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CHECK_NE(-1, rmrf(g_testlib_tmpdir), "ugh %s", g_testlib_tmpdir);
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CHECK_EQ(0, isdirectory(g_testlib_tmpdir), "%s", g_testlib_tmpdir);
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CHECK_NE(-1, rmrf(g_testlib_tmpdir), "%s", g_testlib_tmpdir);
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}
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static void DoNothing(int sig) {
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// function intentionally empty
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}
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static void CopySignalHandlers(void) {
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#if 0
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int i;
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for (i = 0; i < ARRAYLEN(wanthandlers); ++i) {
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if (i + 1 == SIGKILL || i + 1 == SIGSTOP) continue;
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CHECK_EQ(0, sigaction(i + 1, 0, wanthandlers + i), "sig=%d", i + 1);
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}
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#endif
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}
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static void CheckSignalHandler(int sig) {
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#if 0
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int i;
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struct sigaction sa = {0};
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assert(0 <= sig - 1 && sig - 1 < ARRAYLEN(wanthandlers));
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CHECK_EQ(0, sigaction(sig, 0, &sa));
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CHECK_EQ(0, memcmp(wanthandlers + sig - 1, &sa, sizeof(sa)),
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"signal handler for %s was %p/%#x/%#x:%x "
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"but should have been restored to %p/%#x/%#x:%x",
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strsignal(sig), sa.sa_handler, sa.sa_flags, sa.sa_mask.__bits[0],
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sa.sa_mask.__bits[1], wanthandlers[sig - 1].sa_handler,
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wanthandlers[sig - 1].sa_flags,
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wanthandlers[sig - 1].sa_mask.__bits[0],
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wanthandlers[sig - 1].sa_mask.__bits[1]);
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#endif
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}
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static void CheckForSignalHandlers(void) {
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#if 0
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CheckSignalHandler(SIGINT);
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CheckSignalHandler(SIGQUIT);
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CheckSignalHandler(SIGCHLD);
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CheckSignalHandler(SIGFPE);
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CheckSignalHandler(SIGILL);
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CheckSignalHandler(SIGSEGV);
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CheckSignalHandler(SIGTRAP);
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CheckSignalHandler(SIGABRT);
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CheckSignalHandler(SIGBUS);
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CheckSignalHandler(SIGSYS);
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CheckSignalHandler(SIGWINCH);
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#endif
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}
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static void CheckForFileDescriptors(void) {
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#if 0
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// TODO: race condition on fd cleanup :'(
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int i;
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struct pollfd pfds[16];
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if (!weaken(open) && !weaken(socket)) return;
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for (i = 0; i < ARRAYLEN(pfds); ++i) {
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pfds[i].fd = i + 3;
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pfds[i].events = POLLIN;
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}
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if (poll(pfds, ARRAYLEN(pfds), 0) > 0) {
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for (i = 0; i < ARRAYLEN(pfds); ++i) {
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if (pfds[i].revents & POLLNVAL) continue;
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++g_testlib_failed;
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fprintf(stderr, "error: test failed to close() fd %d%n", pfds[i].fd);
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}
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}
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#endif
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}
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static void CheckForZombies(void) {
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#if 0
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int e, pid;
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sigset_t ss, oldss;
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struct sigaction oldsa;
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struct sigaction ignore = {.sa_handler = DoNothing};
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if (!weaken(fork)) return;
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for (;;) {
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if ((pid = wait(0)) == -1) {
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CHECK_EQ(ECHILD, errno);
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break;
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} else {
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++g_testlib_failed;
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fprintf(stderr, "error: test failed to reap zombies %d%n", pid);
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}
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}
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#endif
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}
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/**
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@ -94,6 +188,7 @@ testonly void testlib_runtestcases(testfn_t *start, testfn_t *end,
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* @see ape/ape.lds
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*/
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const testfn_t *fn;
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CopySignalHandlers();
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CHECK_NOTNULL(getcwd(g_testlib_olddir, sizeof(g_testlib_olddir)));
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if (weaken(testlib_enable_tmp_setup_teardown_once)) SetupTmpDir();
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if (weaken(SetUpOnce)) weaken(SetUpOnce)();
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@ -109,6 +204,9 @@ testonly void testlib_runtestcases(testfn_t *start, testfn_t *end,
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if (!IsWindows()) sys_getpid();
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if (weaken(TearDown)) weaken(TearDown)();
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if (weaken(testlib_enable_tmp_setup_teardown)) TearDownTmpDir();
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CheckForFileDescriptors();
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CheckForSignalHandlers();
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CheckForZombies();
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}
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if (weaken(TearDownOnce)) weaken(TearDownOnce)();
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if (weaken(testlib_enable_tmp_setup_teardown_once)) TearDownTmpDir();
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