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Re-add third-party/abseil-cpp

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Bug: 261600888
Test: no build files yet
Change-Id: If35de46c822c629640fa888126290b98ee4dc41d
This commit is contained in:
Jorge E. Moreira
2022-12-06 16:44:51 -08:00
parent 16476ad1d2
commit 2c058104e3
646 changed files with 53674 additions and 8750 deletions
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25
third_party/abseil-cpp/absl/debugging/failure_signal_handler.cc vendored
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@ -42,7 +42,6 @@
#include <ctime>
#include "absl/base/attributes.h"
#include "absl/base/internal/errno_saver.h"
#include "absl/base/internal/raw_logging.h"
#include "absl/base/internal/sysinfo.h"
#include "absl/debugging/internal/examine_stack.h"
@ -51,8 +50,10 @@
#ifndef _WIN32
#define ABSL_HAVE_SIGACTION
// Apple WatchOS and TVOS don't allow sigaltstack
#if !(defined(TARGET_OS_WATCH) && TARGET_OS_WATCH) && \
!(defined(TARGET_OS_TV) && TARGET_OS_TV)
// Apple macOS has sigaltstack, but using it makes backtrace() unusable.
#if !(defined(TARGET_OS_OSX) && TARGET_OS_OSX) && \
!(defined(TARGET_OS_WATCH) && TARGET_OS_WATCH) && \
!(defined(TARGET_OS_TV) && TARGET_OS_TV) && !defined(__QNX__)
#define ABSL_HAVE_SIGALTSTACK
#endif
#endif
@ -134,10 +135,11 @@ static bool SetupAlternateStackOnce() {
#if defined(__wasm__) || defined (__asjms__)
const size_t page_mask = getpagesize() - 1;
#else
const size_t page_mask = sysconf(_SC_PAGESIZE) - 1;
const size_t page_mask = static_cast<size_t>(sysconf(_SC_PAGESIZE)) - 1;
#endif
size_t stack_size =
(std::max<size_t>(SIGSTKSZ, 65536) + page_mask) & ~page_mask;
(std::max(static_cast<size_t>(SIGSTKSZ), size_t{65536}) + page_mask) &
~page_mask;
#if defined(ABSL_HAVE_ADDRESS_SANITIZER) || \
defined(ABSL_HAVE_MEMORY_SANITIZER) || defined(ABSL_HAVE_THREAD_SANITIZER)
// Account for sanitizer instrumentation requiring additional stack space.
@ -217,8 +219,7 @@ static void InstallOneFailureHandler(FailureSignalData* data,
#endif
static void WriteToStderr(const char* data) {
absl::base_internal::ErrnoSaver errno_saver;
absl::raw_logging_internal::SafeWriteToStderr(data, strlen(data));
absl::raw_log_internal::AsyncSignalSafeWriteToStderr(data, strlen(data));
}
static void WriteSignalMessage(int signo, int cpu,
@ -291,7 +292,7 @@ static void WriteFailureInfo(int signo, void* ucontext, int cpu,
// some platforms.
static void PortableSleepForSeconds(int seconds) {
#ifdef _WIN32
Sleep(seconds * 1000);
Sleep(static_cast<DWORD>(seconds * 1000));
#else
struct timespec sleep_time;
sleep_time.tv_sec = seconds;
@ -325,9 +326,9 @@ static void AbslFailureSignalHandler(int signo, siginfo_t*, void* ucontext) {
const GetTidType this_tid = absl::base_internal::GetTID();
GetTidType previous_failed_tid = 0;
if (!failed_tid.compare_exchange_strong(
previous_failed_tid, static_cast<intptr_t>(this_tid),
std::memory_order_acq_rel, std::memory_order_relaxed)) {
if (!failed_tid.compare_exchange_strong(previous_failed_tid, this_tid,
std::memory_order_acq_rel,
std::memory_order_relaxed)) {
ABSL_RAW_LOG(
ERROR,
"Signal %d raised at PC=%p while already in AbslFailureSignalHandler()",
@ -356,7 +357,7 @@ static void AbslFailureSignalHandler(int signo, siginfo_t*, void* ucontext) {
if (fsh_options.alarm_on_failure_secs > 0) {
alarm(0); // Cancel any existing alarms.
signal(SIGALRM, ImmediateAbortSignalHandler);
alarm(fsh_options.alarm_on_failure_secs);
alarm(static_cast<unsigned int>(fsh_options.alarm_on_failure_secs));
}
#endif