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-rw-r--r--libpthread/sysdeps/mach/hurd/pt-sysdep.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/libpthread/sysdeps/mach/hurd/pt-sysdep.c b/libpthread/sysdeps/mach/hurd/pt-sysdep.c
new file mode 100644
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--- /dev/null
+++ b/libpthread/sysdeps/mach/hurd/pt-sysdep.c
@@ -0,0 +1,72 @@
+/* System dependent pthreads code. Hurd version.
+ Copyright (C) 2000, 2002, 2005 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. */
+
+#include <assert.h>
+#include <stddef.h>
+#include <stdint.h>
+
+#include <mach.h>
+#include <mach/mig_support.h>
+
+#include <hurd/threadvar.h>
+
+#include <pt-internal.h>
+
+/* Forward. */
+static void *init_routine (void);
+
+/* OK, the name of this variable isn't really appropriate, but I don't
+ want to change it yet. */
+void *(*_cthread_init_routine)(void) = &init_routine;
+
+/* This function is called from the Hurd-specific startup code. It
+ should return a new stack pointer for the main thread. The caller
+ will switch to this new stack before doing anything serious. */
+static void *
+init_routine (void)
+{
+ struct __pthread *thread;
+ int err;
+
+ /* Initialize the library. */
+ __pthread_initialize ();
+
+ /* Create the pthread structure for the main thread (i.e. us). */
+ err = __pthread_create_internal (&thread, 0, 0, 0);
+ assert_perror (err);
+
+ ((void **) (__hurd_threadvar_stack_offset))[_HURD_THREADVAR_THREAD]
+ = thread;
+
+ /* Decrease the number of threads, to take into account that the
+ signal thread (which will be created by the glibc startup code
+ when we return from here) shouldn't be seen as a user thread. */
+ __pthread_total--;
+
+ /* Make MiG code thread aware. */
+ __mig_init (thread->stackaddr);
+
+ /* Make sure we can find the per-thread variables. */
+ __hurd_threadvar_stack_mask = ~(__pthread_default_attr.stacksize - 1);
+ __hurd_threadvar_stack_offset
+ = (__pthread_default_attr.stacksize
+ - __hurd_threadvar_max * sizeof (uintptr_t));
+
+ return thread->mcontext.sp;
+}