[Diagnostics] Add in-proc crash report watchdog

src/coreclr/debug/crashreport/CMakeLists.txt

@@ -3,6 +3,7 @@ set(CMAKE_INCLUDE_CURRENT_DIR ON)
 set(CRASHREPORT_SOURCES
     signalsafejsonwriter.cpp
     inproccrashreporter.cpp
+    inproccrashreportwatchdog.cpp
 )
 
 add_library(inproccrashreport OBJECT ${CRASHREPORT_SOURCES})

src/coreclr/debug/crashreport/inproccrashreporter.cpp

@@ -6,12 +6,14 @@
 // Streams a createdump-shaped JSON skeleton to a crashreport.json file.
 
 #include "inproccrashreporter.h"
+#include "inproccrashreportwatchdog.h"
 #include "signalsafejsonwriter.h"
 
 #include "pal.h"
 
 #include <fcntl.h>
 #include <errno.h>
+#include <stdlib.h>
 #include <unistd.h>
 #include <string.h>
 #include <time.h>
@@ -233,6 +235,7 @@ InProcCrashReporter::CreateReport(
     {
         return;
     }
+    CrashReportWatchdogScope watchdogScope;
 
     char reportPath[CRASHREPORT_PATH_BUFFER_SIZE];
     reportPath[0] = '\0';
@@ -345,6 +348,8 @@ InProcCrashReporter::Initialize(
     m_enumerateThreadsCallback = settings.enumerateThreadsCallback;
     CrashReportHelpers::CopyString(m_reportPath, sizeof(m_reportPath), settings.reportPath);
 
+    (void)CrashReportWatchdogTryInitialize(settings.timeoutSeconds);
+
     m_processName[0] = '\0';
 #if defined(__ANDROID__)
     // On Android every app forks from the Zygote, so /proc/self/exe always

src/coreclr/debug/crashreport/inproccrashreporter.h

@@ -60,6 +60,7 @@ using InProcCrashReportEnumerateThreadsCallback = void (*)(
 struct InProcCrashReporterSettings
 {
     const char* reportPath;
+    uint32_t timeoutSeconds;
     InProcCrashReportIsManagedThreadCallback isManagedThreadCallback;
     InProcCrashReportWalkStackCallback walkStackCallback;
     InProcCrashReportEnumerateThreadsCallback enumerateThreadsCallback;