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-rw-r--r--ChangeLog4
-rw-r--r--linuxthreads/Examples/ex17.c95
-rw-r--r--linuxthreads/Makefile3
-rw-r--r--sysdeps/sparc/stackinfo.h28
4 files changed, 129 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index ffec415..d3f2048 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2001-03-20 Jakub Jelinek <jakub@redhat.com>
+
+ * sysdeps/sparc/stackinfo.h: New file.
+
2001-03-21 Andreas Jaeger <aj@suse.de>
* elf/global.c (main): Use proper prototype.
diff --git a/linuxthreads/Examples/ex17.c b/linuxthreads/Examples/ex17.c
new file mode 100644
index 0000000..bedf868
--- /dev/null
+++ b/linuxthreads/Examples/ex17.c
@@ -0,0 +1,95 @@
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include <pthread.h>
+#include <unistd.h>
+#include <limits.h>
+#include <sys/mman.h>
+
+static void *
+test_thread (void *v_param)
+{
+ return NULL;
+}
+
+#define STACKSIZE 0x100000
+
+int
+main (void)
+{
+ pthread_t thread;
+ pthread_attr_t attr;
+ int status;
+ void *stack, *stack2;
+ size_t stacksize;
+
+ pthread_attr_init (&attr);
+ stack = mmap (NULL, STACKSIZE,
+ PROT_READ | PROT_WRITE | PROT_EXEC,
+ MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+
+ if (stack == (void *)-1)
+ {
+ perror ("mmap failed");
+ return 1;
+ }
+
+ status = pthread_attr_setstack (&attr, stack, STACKSIZE);
+ if (status != 0)
+ {
+ printf ("pthread_attr_setstack failed: %s\n", strerror (status));
+ return 1;
+ }
+
+ status = pthread_attr_getstack (&attr, &stack2, &stacksize);
+ if (status != 0)
+ {
+ printf ("pthread_attr_getstack failed: %s\n", strerror (status));
+ return 1;
+ }
+
+ if (stack2 != stack || stacksize != STACKSIZE)
+ {
+ printf ("first pthread_attr_getstack returned different stack (%p,%x)\n"
+ "than was set by setstack (%p,%x)\n",
+ stack2, stacksize, stack, STACKSIZE);
+ return 2;
+ }
+
+ status = pthread_create (&thread, &attr, test_thread, NULL);
+ if (status != 0)
+ {
+ printf ("pthread_create failed: %s\n", strerror (status));
+ return 1;
+ }
+
+ status = pthread_getattr_np (thread, &attr);
+ if (status != 0)
+ {
+ printf ("pthread_getattr_np failed: %s\n", strerror (status));
+ return 1;
+ }
+
+ status = pthread_attr_getstack (&attr, &stack2, &stacksize);
+ if (status != 0)
+ {
+ printf ("pthread_attr_getstack failed: %s\n", strerror (status));
+ return 1;
+ }
+
+ if (stack2 != stack || stacksize != STACKSIZE)
+ {
+ printf ("second pthread_attr_getstack returned different stack (%p,%x)\n"
+ "than was set by setstack (%p,%x)\n",
+ stack2, stacksize, stack, STACKSIZE);
+ return 3;
+ }
+
+ /* pthread_detach (thread); */
+ if (pthread_join (thread, NULL) != 0)
+ {
+ printf ("join failed\n");
+ return 1;
+ }
+ return 0;
+}
diff --git a/linuxthreads/Makefile b/linuxthreads/Makefile
index 99bdb73..8ecbd22 100644
--- a/linuxthreads/Makefile
+++ b/linuxthreads/Makefile
@@ -55,7 +55,8 @@ endif
librt-tests = ex10 ex11
tests = ex1 ex2 ex3 ex4 ex5 ex6 ex7 ex8 ex9 $(librt-tests) ex12 ex13 joinrace \
- tststack $(tests-nodelete-$(have-z-nodelete)) ecmutex ex14 ex15 ex16
+ tststack $(tests-nodelete-$(have-z-nodelete)) ecmutex ex14 ex15 ex16 \
+ ex17
ifeq (yes,$(build-shared))
tests-nodelete-yes = unload
diff --git a/sysdeps/sparc/stackinfo.h b/sysdeps/sparc/stackinfo.h
new file mode 100644
index 0000000..c3d0160
--- /dev/null
+++ b/sysdeps/sparc/stackinfo.h
@@ -0,0 +1,28 @@
+/* Copyright (C) 2001 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. */
+
+/* This file contains a bit of information about the stack allocation
+ of the processor. */
+
+#ifndef _STACKINFO_H
+#define _STACKINFO_H 1
+
+/* On sparc the stack grows down. */
+#define _STACK_GROWS_DOWN 1
+
+#endif /* stackinfo.h */