Author: tfiala Date: Sun Oct 26 19:58:27 2014 New Revision: 220661 URL: http://llvm.org/viewvc/llvm-project?rev=220661&view=rev Log: Fix the TestCreateAfterAttach test for llgs-local on ptracer lock-down.
Modified: lldb/trunk/test/functionalities/thread/create_after_attach/main.c Modified: lldb/trunk/test/functionalities/thread/create_after_attach/main.c URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/test/functionalities/thread/create_after_attach/main.c?rev=220661&r1=220660&r2=220661&view=diff ============================================================================== --- lldb/trunk/test/functionalities/thread/create_after_attach/main.c (original) +++ lldb/trunk/test/functionalities/thread/create_after_attach/main.c Sun Oct 26 19:58:27 2014 @@ -2,6 +2,10 @@ #include <unistd.h> #include <pthread.h> +#if defined(__linux__) +#include <sys/prctl.h> +#endif + volatile int g_thread_2_continuing = 0; void * @@ -39,6 +43,21 @@ int main(int argc, char const *argv[]) pthread_t thread_1; pthread_t thread_2; +#if defined(__linux__) + // Immediately enable any ptracer so that we can allow the stub attach + // operation to succeed. Some Linux kernels are locked down so that + // only an ancestor process can be a ptracer of a process. This disables that + // restriction. Without it, attach-related stub tests will fail. +#if defined(PR_SET_PTRACER) && defined(PR_SET_PTRACER_ANY) + int prctl_result; + + // For now we execute on best effort basis. If this fails for + // some reason, so be it. + prctl_result = prctl(PR_SET_PTRACER, PR_SET_PTRACER_ANY, 0, 0, 0); + (void) prctl_result; +#endif +#endif + // Create a new thread pthread_create (&thread_1, NULL, thread_1_func, NULL); _______________________________________________ lldb-commits mailing list lldb-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/lldb-commits