Thread suspension: Implement for Linux

src/trusted/service_runtime/sel_ldr.h

Index: src/trusted/service_runtime/sel_ldr.h
diff --git a/src/trusted/service_runtime/sel_ldr.h b/src/trusted/service_runtime/sel_ldr.h
index 8920b0fb5bb03c06682c463064327b0eb4101ad4..34ebe4ccff4b1ebea21496da6bc335765a4dd01f 100644
--- a/src/trusted/service_runtime/sel_ldr.h
+++ b/src/trusted/service_runtime/sel_ldr.h
@@ -754,29 +754,17 @@ void NaClVmIoPendingCheck_mu(struct NaClApp *nap,
 
 void NaClGdbHook(struct NaClApp const *nap);
 
-#if NACL_WINDOWS
-
 void NaClUntrustedThreadSuspend(struct NaClAppThread *natp);
 void NaClUntrustedThreadResume(struct NaClAppThread *natp);
 void NaClUntrustedThreadsSuspendAll(struct NaClApp *nap);
 void NaClUntrustedThreadsResumeAll(struct NaClApp *nap);
 
-#else
-
-static INLINE void NaClUntrustedThreadsSuspendAll(struct NaClApp *nap) {
-  UNREFERENCED_PARAMETER(nap);
-  NaClLog(LOG_FATAL, "NaClUntrustedThreadsSuspendAll: Not implemented\n");
-}
-
-static INLINE void NaClUntrustedThreadsResumeAll(struct NaClApp *nap) {
-  UNREFERENCED_PARAMETER(nap);
-  NaClLog(LOG_FATAL, "NaClUntrustedThreadsResumeAll: Not implemented\n");
-}
+#if NACL_LINUX
 
-#endif
+void NaClSuspendSignalHandler(void);
 
-#if NACL_LINUX
 void handle_r_debug(const char *switch_value, char *argv0);
+
 #endif
 
 EXTERN_C_END