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Diffstat (limited to 'absl/debugging/failure_signal_handler.cc')
-rw-r--r--absl/debugging/failure_signal_handler.cc13
1 files changed, 11 insertions, 2 deletions
diff --git a/absl/debugging/failure_signal_handler.cc b/absl/debugging/failure_signal_handler.cc
index 470d676..cd141ec 100644
--- a/absl/debugging/failure_signal_handler.cc
+++ b/absl/debugging/failure_signal_handler.cc
@@ -24,6 +24,10 @@
#include <unistd.h>
#endif
+#ifdef __APPLE__
+#include <TargetConditionals.h>
+#endif
+
#ifdef ABSL_HAVE_MMAP
#include <sys/mman.h>
#endif
@@ -44,6 +48,11 @@
#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)
+#define ABSL_HAVE_SIGALTSTACK
+#endif
#endif
namespace absl {
@@ -117,7 +126,7 @@ const char* FailureSignalToString(int signo) {
} // namespace debugging_internal
-#ifndef _WIN32
+#ifdef ABSL_HAVE_SIGALTSTACK
static bool SetupAlternateStackOnce() {
#if defined(__wasm__) || defined (__asjms__)
@@ -169,7 +178,7 @@ static bool SetupAlternateStackOnce() {
// Returns the appropriate flag for sig_action.sa_flags
// if the system supports using an alternate stack.
static int MaybeSetupAlternateStack() {
-#ifndef _WIN32
+#ifdef ABSL_HAVE_SIGALTSTACK
ABSL_ATTRIBUTE_UNUSED static const bool kOnce = SetupAlternateStackOnce();
return SA_ONSTACK;
#else