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* [newlib-cygwin] ChangeLog entries for Cygwin's alternate signal stack implementation
@ 2015-06-20 18:38 Corinna Vinschen
0 siblings, 0 replies; only message in thread
From: Corinna Vinschen @ 2015-06-20 18:38 UTC (permalink / raw)
To: cygwin-cvs, newlib-cvs
https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=a88afecce6ca7405df28f8ae162b56697c2601a2
commit a88afecce6ca7405df28f8ae162b56697c2601a2
Author: Corinna Vinschen <corinna@vinschen.de>
Date: Sat Jun 20 20:36:16 2015 +0200
ChangeLog entries for Cygwin's alternate signal stack implementation
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
Diff:
---
newlib/ChangeLog | 11 +++++++++++
winsup/cygwin/ChangeLog | 25 +++++++++++++++++++++++++
winsup/doc/ChangeLog | 5 +++++
3 files changed, 41 insertions(+)
diff --git a/newlib/ChangeLog b/newlib/ChangeLog
index 7cfec6f..a59cc97 100644
--- a/newlib/ChangeLog
+++ b/newlib/ChangeLog
@@ -1,3 +1,14 @@
+2015-06-20 Corinna Vinschen <corinna@vinschen.de>
+
+ * libc/include/sys/signal.h: Move altstack macros completely
+ outside of rtems block.
+
+2015-06-19 Corinna Vinschen <corinna@vinschen.de>
+
+ * libc/include/sys/signal.h: Define SS_ONSTACK and SS_DISABLE
+ unconditionally.
+ (sigaltstack): Enable prototype on Cygwin.
+
2015-06-15 Freddie Chopin <freddie_chopin@op.pl>
* libc/time/gmtime_r.c (gmtime_r): use faster algorithm from
diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 464ca32..4591d4a 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,28 @@
+2015-06-20 Corinna Vinschen <corinna@vinschen.de>
+
+ * exceptions.cc (_cygtls::call_signal_handler): Implement alternate
+ signal stack handling.
+ * signal.cc (sigaltstack): Add fault handler.
+ * include/cygwin/signal.h: Remove definitions of MINSIGSTKSZ
+ and SIGSTKSZ here.
+
+2015-06-19 Corinna Vinschen <corinna@vinschen.de>
+
+ * common.din (sigaltstack): Export.
+ * cygtls.cc (_cygtls::init_thread): Initialize altstack.
+ * cygtls.h (__tlsstack_t): Rename from __stack_t to distinguish
+ more clearly from stack_t. Accommodate throughout.
+ (_cygtls): Add altstack member.
+ * exceptions.cc (exception::handle): Set SIGSEGV handler to SIG_DFL
+ if we encounter a stack overflow, and no alternate stack has been
+ defined.
+ * include/cygwin/signal.h (MINSIGSTKSZ): Define
+ (SIGSTKSZ): Define.
+ (SA_ONSTACK): Define.
+ * signal.cc (sigaltstack): New function.
+ * tlsoffset.h: Regenerate.
+ * tlsoffset64.h: Ditto.
+
2015-06-19 Corinna Vinschen <corinna@vinschen.de>
* exceptions.cc: Minor formatting fixes.
diff --git a/winsup/doc/ChangeLog b/winsup/doc/ChangeLog
index 2d9e268..23bd06c 100644
--- a/winsup/doc/ChangeLog
+++ b/winsup/doc/ChangeLog
@@ -1,3 +1,8 @@
+2015-06-20 Corinna Vinschen <corinna@vinschen.de>
+
+ * new-features.xml (ov-new2.1): Add alterante signal stack info.
+ * posix.xml (std-susv4): Move sigaltstack here.
+
2015-06-19 Jon Turney <jon.turney@dronecode.org.uk>
* Makefile.in (install-man): Fix command to create man3 install
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