Add a missing patch.

Reported by:	pointyhat via Pav
Feature safe:	yes

1 files changed, 16 insertions, 0 deletions

diff --git a/math/rkward-kde4/files/patch-rkward_rbackend_rkrbackend.cpp b/math/rkward-kde4/files/patch-rkward_rbackend_rkrbackend.cpp
new file mode 100644
index 000000000000..3912272f47a9
--- /dev/null
+++ b/math/rkward-kde4/files/patch-rkward_rbackend_rkrbackend.cpp
@@ -0,0 +1,16 @@
+--- rkward/rbackend/rkrbackend.cpp.orig	2011-10-18 10:29:11.000000000 +0200
++++ rkward/rbackend/rkrbackend.cpp	2011-11-12 22:08:00.000000000 +0100
+@@ -1056,11 +1056,11 @@
+ 	if (backend_was_forked) return;
+ 	backend_was_forked = true;
+ 
+-	// Block SIGCLD in the main thread from now on. I don't fully understand, why, but otherwise, these signals
++	// Block SIGCHLD in the main thread from now on. I don't fully understand, why, but otherwise, these signals
+ 	// interrupt the select() call in the fork()ing code of library(parallel)
+ 	sigset_t new_set;
+ 	sigemptyset (&new_set);
+-	sigaddset (&new_set, SIGCLD);
++	sigaddset (&new_set, SIGCHLD);
+ 	pthread_sigmask (SIG_BLOCK, &new_set, NULL);
+ 
+ //	This was used to show a warning message. Unfortunately, however, forks also occur on every popen (i.e. in system(..., intern=TRUE).