diff options
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | linuxthreads/Examples/ex17.c | 95 | ||||
| -rw-r--r-- | linuxthreads/Makefile | 3 | ||||
| -rw-r--r-- | sysdeps/sparc/stackinfo.h | 28 |
4 files changed, 129 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog index ffec415e55..d3f204833f 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 0000000000..bedf86806f --- /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 99bdb73cf4..8ecbd22d56 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 0000000000..c3d0160b1a --- /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 */ |