From 5cb48b84921ed301dc1cc6f6e35b8ce8ed72a430 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Thu, 27 Nov 2003 05:24:58 +0000 Subject: Update. 2003-11-26 Ulrich Drepper * sysdeps/unix/sysv/linux/kernel-features.h (__ASSUME_PROT_GROWSUPDOWN): Define for 2.6.1 and up. * sysdeps/unix/sysv/linux/dl-execstack.c: Omit compatibility code if __ASSUME_PROT_GROWSUPDOWN is defined. 2003-11-26 Andreas Jaeger * sysdeps/unix/sysv/linux/dl-execstack.c (_dl_make_stack_executable): Set dl_stack_flags always for success. --- nptl/pthread_attr_destroy.c | 9 ++++++++- nptl/pthread_attr_init.c | 4 ++++ nptl/sysdeps/unix/sysv/linux/internaltypes.h | 1 + 3 files changed, 13 insertions(+), 1 deletion(-) (limited to 'nptl') diff --git a/nptl/pthread_attr_destroy.c b/nptl/pthread_attr_destroy.c index a04f5fe441..73cba1da01 100644 --- a/nptl/pthread_attr_destroy.c +++ b/nptl/pthread_attr_destroy.c @@ -22,7 +22,7 @@ #include #include #include "pthreadP.h" - +#include int __pthread_attr_destroy (attr) @@ -33,6 +33,13 @@ __pthread_attr_destroy (attr) assert (sizeof (*attr) >= sizeof (struct pthread_attr)); iattr = (struct pthread_attr *) attr; +#if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_1) + /* In old struct pthread_attr, neither next nor cpuset are + present. */ + if (__builtin_expect ((iattr->flags & ATTR_FLAG_OLDATTR), 0)) + return 0; +#endif + /* Enqueue the attributes to the list of all known variables. */ if (DEBUGGING_P) { diff --git a/nptl/pthread_attr_init.c b/nptl/pthread_attr_init.c index b202d46bd3..b1242d318f 100644 --- a/nptl/pthread_attr_init.c +++ b/nptl/pthread_attr_init.c @@ -80,12 +80,16 @@ __pthread_attr_init_2_0 (attr) int inheritsched; int scope; }; + struct pthread_attr *iattr; /* Many elements are initialized to zero so let us do it all at once. This also takes care of clearing the bytes which are not internally used. */ memset (attr, '\0', sizeof (struct old_attr)); + iattr = (struct pthread_attr *) attr; + iattr->flags |= ATTR_FLAG_OLDATTR; + /* We cannot enqueue the attribute because that member is not in the old attribute structure. */ return 0; diff --git a/nptl/sysdeps/unix/sysv/linux/internaltypes.h b/nptl/sysdeps/unix/sysv/linux/internaltypes.h index e2f7b047f1..39afb32aac 100644 --- a/nptl/sysdeps/unix/sysv/linux/internaltypes.h +++ b/nptl/sysdeps/unix/sysv/linux/internaltypes.h @@ -47,6 +47,7 @@ struct pthread_attr #define ATTR_FLAG_NOTINHERITSCHED 0x0002 #define ATTR_FLAG_SCOPEPROCESS 0x0004 #define ATTR_FLAG_STACKADDR 0x0008 +#define ATTR_FLAG_OLDATTR 0x0010 /* Mutex attribute data structure. */ -- cgit v1.2.3-70-g09d2