Update.

1999-08-19  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/generic/setenv.c: Update(__add_to_environ): Initialize
	ep after we have the lock.

	* sysdeps/unix/sysv/linux/alpha/sigcontextinfo.h: New file.
	Patch by Richard Henderson.

diff --git a/ChangeLog b/ChangeLog
index 003eef6..2efec73 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+1999-08-19  Ulrich Drepper  <drepper@cygnus.com>
+
+       * sysdeps/generic/setenv.c: Update(__add_to_environ): Initialize
+       ep after we have the lock.
+
+       * sysdeps/unix/sysv/linux/alpha/sigcontextinfo.h: New file.
+       Patch by Richard Henderson.
+
 1999-08-19  Andreas Schwab  <schwab@suse.de>
 
        * libio/iovswscanf.c (vswscanf): Make stream unoriented initially

diff --git a/sysdeps/generic/setenv.c b/sysdeps/generic/setenv.c
index 387152d..29fc60c 100644 (file)
--- a/sysdeps/generic/setenv.c
+++ b/sysdeps/generic/setenv.c
@@ -113,13 +113,17 @@ __add_to_environ (name, value, combined, replace)
      const char *combined;
      int replace;
 {
-  register char **ep = __environ;
+  register char **ep;
   register size_t size;
   const size_t namelen = strlen (name);
   const size_t vallen = value != NULL ? strlen (value) + 1 : 0;
 
   LOCK;
 
+  /* We have to get the pointer now that we have the lock and not earlier
+     since another thread might have created a new environment.  */
+  ep = __environ;
+
   size = 0;
   if (ep != NULL)
     {

diff --git a/sysdeps/unix/sysv/linux/alpha/sigcontextinfo.h b/sysdeps/unix/sysv/linux/alpha/sigcontextinfo.h
new file mode 100644 (file)
index 0000000..3125e9b
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/alpha/sigcontextinfo.h
@@ -0,0 +1,22 @@
+/* Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#define SIGCONTEXT struct sigcontext
+#define GET_PC(ctx)    ((void *) (ctx).sc_pc)
+#define GET_FRAME(ctx) ((void *) (ctx).sc_regs[15])
+#define GET_STACK(ctx) ((void *) (ctx).sc_regs[30])