diff options
Diffstat (limited to 'libpthread/nptl/pthread_attr_setstack.c')
-rw-r--r-- | libpthread/nptl/pthread_attr_setstack.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/libpthread/nptl/pthread_attr_setstack.c b/libpthread/nptl/pthread_attr_setstack.c new file mode 100644 index 000000000..622e4a225 --- /dev/null +++ b/libpthread/nptl/pthread_attr_setstack.c @@ -0,0 +1,89 @@ +/* Copyright (C) 2002, 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <assert.h> +#include <errno.h> +#include <limits.h> +#include "pthreadP.h" + + +int +__pthread_attr_setstack (attr, stackaddr, stacksize) + pthread_attr_t *attr; + void *stackaddr; + size_t stacksize; +{ + struct pthread_attr *iattr; + + assert (sizeof (*attr) >= sizeof (struct pthread_attr)); + iattr = (struct pthread_attr *) attr; + + /* Catch invalid sizes. */ + if (stacksize < PTHREAD_STACK_MIN) + return EINVAL; + +#ifdef EXTRA_PARAM_CHECKS + EXTRA_PARAM_CHECKS; +#endif + + iattr->stacksize = stacksize; + iattr->stackaddr = (char *) stackaddr + stacksize; + iattr->flags |= ATTR_FLAG_STACKADDR; + + return 0; +} + +#if PTHREAD_STACK_MIN == 16384 +strong_alias (__pthread_attr_setstack, pthread_attr_setstack) +#else +# include <shlib-compat.h> +versioned_symbol (libpthread, __pthread_attr_setstack, pthread_attr_setstack, + GLIBC_2_3_3); + +# if SHLIB_COMPAT(libpthread, GLIBC_2_2, GLIBC_2_3_3) + +int +__old_pthread_attr_setstack (pthread_attr_t *attr, void *stackaddr, + size_t stacksize) +{ + struct pthread_attr *iattr; + + assert (sizeof (*attr) >= sizeof (struct pthread_attr)); + iattr = (struct pthread_attr *) attr; + + /* Catch invalid sizes. */ + if (stacksize < 16384) + return EINVAL; + +# ifdef EXTRA_PARAM_CHECKS + EXTRA_PARAM_CHECKS; +# endif + + iattr->stacksize = stacksize; + iattr->stackaddr = (char *) stackaddr + stacksize; + iattr->flags |= ATTR_FLAG_STACKADDR; + + return 0; +} + +compat_symbol (libpthread, __old_pthread_attr_setstack, pthread_attr_setstack, + GLIBC_2_2); +# endif + +#endif |