Instead of using fork(), call syscall(__NR_fork) in step-fork.c
to avoid looping on powerpc arch in libc.
Signed-off-by: Veaceslav Falico <vfal...@redhat.com>
---
--- a/ptrace-tests/tests/step-fork.c 2009-12-01 17:17:14.000000000 +0100
+++ b/ptrace-tests/tests/step-fork.c 2009-12-01 18:35:15.000000000 +0100
@@ -29,6 +29,7 @@
#include <unistd.h>
#include <sys/wait.h>
#include <string.h>
+#include <sys/syscall.h>
#include <signal.h>
#ifndef PTRACE_SINGLESTEP
@@ -78,7 +79,12 @@ main (int argc, char **argv)
sigprocmask (SIG_BLOCK, &mask, NULL);
ptrace (PTRACE_TRACEME);
raise (SIGUSR1);
- if (fork () == 0)
+
+ /*
+ * Can't use fork() directly because on powerpc it loops inside libc
under
+ * PTRACE_SINGLESTEP. See
http://marc.info/?l=linux-kernel&m=125927241130695
+ */
+ if (syscall(__NR_fork) == 0)
{
read (-1, NULL, 0);
_exit (22);
