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Make more threading improvements

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- ASAN memory morgue is now lockless
- Make C11 atomics header more portable
- Rewrote pthread keys support to be lockless
- Simplify Python's unicode table unpacking code
- Make crash report write(2) closer to being atomic
- Make it possible to strace/ftrace a single thread
- ASAN now checks nul-terminated strings fast and properly
- Windows fork() now restores TLS memory of calling thread
This commit is contained in:
Justine Tunney 2022-11-01 22:36:03 -07:00
parent d7b88734cd
commit e522aa3a07
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GPG key ID: BE714B4575D6E328
189 changed files with 1363 additions and 1217 deletions
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33
test/libc/calls/setrlimit_test.c
View file

@ -19,18 +19,13 @@
#include "dsp/core/core.h"
#include "libc/calls/calls.h"
#include "libc/calls/struct/rlimit.h"
#include "libc/calls/struct/sigaction.h"
#include "libc/dce.h"
#include "libc/errno.h"
#include "libc/fmt/fmt.h"
#include "libc/intrin/directmap.internal.h"
#include "libc/intrin/safemacros.internal.h"
#include "libc/log/check.h"
#include "libc/math.h"
#include "libc/mem/mem.h"
#include "libc/runtime/directmap.internal.h"
#include "libc/runtime/runtime.h"
#include "libc/stdio/rand.h"
#include "libc/str/str.h"
#include "libc/sysv/consts/map.h"
#include "libc/sysv/consts/o.h"
#include "libc/sysv/consts/prot.h"
@ -47,13 +42,13 @@ static char tmpname[PATH_MAX];
void OnSigxcpu(int sig) {
ASSERT_EQ(SIGXCPU, sig);
_exit(0);
_Exit(0);
}
void OnSigxfsz(int sig) {
unlink(tmpname);
ASSERT_EQ(SIGXFSZ, sig);
_exit(0);
_Exit(0);
}
TEST(setrlimit, testCpuLimit) {
@ -66,7 +61,7 @@ TEST(setrlimit, testCpuLimit) {
if (IsOpenbsd()) return; /* TODO(jart): fix flake */
ASSERT_NE(-1, (wstatus = xspawn(0)));
if (wstatus == -2) {
CHECK_EQ(0, xsigaction(SIGXCPU, OnSigxcpu, 0, 0, 0));
ASSERT_EQ(0, xsigaction(SIGXCPU, OnSigxcpu, 0, 0, 0));
ASSERT_EQ(0, getrlimit(RLIMIT_CPU, &rlim));
rlim.rlim_cur = 1; /* set soft limit to one second */
ASSERT_EQ(0, setrlimit(RLIMIT_CPU, &rlim));
@ -77,7 +72,7 @@ TEST(setrlimit, testCpuLimit) {
matmul3(matrices[0], matrices[1], matrices[2]);
matmul3(matrices[0], matrices[1], matrices[2]);
} while ((nowl() - start) < 5);
_exit(1);
_Exit(1);
}
EXPECT_TRUE(WIFEXITED(wstatus));
EXPECT_FALSE(WIFSIGNALED(wstatus));
@ -93,7 +88,7 @@ TEST(setrlimit, testFileSizeLimit) {
if (IsWindows()) return; /* of course it doesn't work on windows */
ASSERT_NE(-1, (wstatus = xspawn(0)));
if (wstatus == -2) {
CHECK_EQ(0, xsigaction(SIGXFSZ, OnSigxfsz, 0, 0, 0));
ASSERT_EQ(0, xsigaction(SIGXFSZ, OnSigxfsz, 0, 0, 0));
ASSERT_EQ(0, getrlimit(RLIMIT_FSIZE, &rlim));
rlim.rlim_cur = 1024 * 1024; /* set soft limit to one megabyte */
ASSERT_EQ(0, setrlimit(RLIMIT_FSIZE, &rlim));
@ -107,7 +102,7 @@ TEST(setrlimit, testFileSizeLimit) {
}
close(fd);
unlink(tmpname);
_exit(1);
_Exit(1);
}
EXPECT_TRUE(WIFEXITED(wstatus));
EXPECT_FALSE(WIFSIGNALED(wstatus));
@ -141,11 +136,11 @@ TEST(setrlimit, testMemoryLimit) {
ASSERT_TRUE(gotsome);
}
ASSERT_EQ(ENOMEM, errno);
_exit(0);
_Exit(0);
}
rngset(p, PAGESIZE, _rand64, -1);
}
_exit(1);
_Exit(1);
}
EXPECT_TRUE(WIFEXITED(wstatus));
EXPECT_FALSE(WIFSIGNALED(wstatus));
@ -169,11 +164,11 @@ TEST(setrlimit, testVirtualMemoryLimit) {
.addr;
if (p == MAP_FAILED) {
ASSERT_EQ(ENOMEM, errno);
_exit(0);
_Exit(0);
}
rngset(p, PAGESIZE, _rand64, -1);
}
_exit(1);
_Exit(1);
}
EXPECT_TRUE(WIFEXITED(wstatus));
EXPECT_FALSE(WIFSIGNALED(wstatus));
@ -199,11 +194,11 @@ TEST(setrlimit, testDataMemoryLimit) {
.addr;
if (p == MAP_FAILED) {
ASSERT_EQ(ENOMEM, errno);
_exit(0);
_Exit(0);
}
rngset(p, PAGESIZE, _rand64, -1);
}
_exit(1);
_Exit(1);
}
EXPECT_TRUE(WIFEXITED(wstatus));
EXPECT_FALSE(WIFSIGNALED(wstatus));
@ -225,7 +220,7 @@ wontreturn void OnVfork(void *ctx) {
rlim = ctx;
rlim->rlim_cur -= 1;
ASSERT_EQ(0, getrlimit(RLIMIT_CPU, rlim));
_exit(0);
_Exit(0);
}
TEST(setrlimit, isVforkSafe) {