diff options
Diffstat (limited to 'libpthread/nptl/sysdeps/unix/sysv/linux/libc_pthread_init.c')
-rw-r--r-- | libpthread/nptl/sysdeps/unix/sysv/linux/libc_pthread_init.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/libc_pthread_init.c b/libpthread/nptl/sysdeps/unix/sysv/linux/libc_pthread_init.c new file mode 100644 index 000000000..4ad252800 --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/libc_pthread_init.c @@ -0,0 +1,59 @@ +/* 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 <unistd.h> +#include <list.h> +#include "fork.h" +#include <tls.h> +#include <string.h> +#include <pthreadP.h> +#include <bits/libc-lock.h> + +libc_hidden_proto(memcpy) + +#ifdef TLS_MULTIPLE_THREADS_IN_TCB +void +#else +extern int __libc_multiple_threads attribute_hidden; + +int * +#endif +__libc_pthread_init ( + unsigned long int *ptr, + void (*reclaim) (void), + const struct pthread_functions *functions) +{ + /* Remember the pointer to the generation counter in libpthread. */ + __fork_generation_pointer = ptr; + + /* Called by a child after fork. */ + __register_atfork (NULL, NULL, reclaim, NULL); + +#ifdef SHARED + /* We copy the content of the variable pointed to by the FUNCTIONS + parameter to one in libc.so since this means access to the array + can be done with one memory access instead of two. */ + memcpy (&__libc_pthread_functions, functions, + sizeof (__libc_pthread_functions)); +#endif + +#ifndef TLS_MULTIPLE_THREADS_IN_TCB + return &__libc_multiple_threads; +#endif +} |