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author | Roland McGrath <roland@hack.frob.com> | 2014-06-12 13:48:47 -0700 |
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committer | Roland McGrath <roland@hack.frob.com> | 2014-06-12 13:48:47 -0700 |
commit | 463dc947b4f9bc4137c9919ee72b896403926474 (patch) | |
tree | aaade6746cade247ea83c99c3057f6f08e1eb6a9 /sysdeps/nptl/malloc-machine.h | |
parent | e876b09076d859836f948691dee5a1e3b956256e (diff) | |
download | glibc-463dc947b4f9bc4137c9919ee72b896403926474.zip glibc-463dc947b4f9bc4137c9919ee72b896403926474.tar.gz glibc-463dc947b4f9bc4137c9919ee72b896403926474.tar.bz2 |
Get rid of nptl/sysdeps/pthread/ subdirectory
Diffstat (limited to 'sysdeps/nptl/malloc-machine.h')
-rw-r--r-- | sysdeps/nptl/malloc-machine.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/sysdeps/nptl/malloc-machine.h b/sysdeps/nptl/malloc-machine.h new file mode 100644 index 0000000..ad480a3 --- /dev/null +++ b/sysdeps/nptl/malloc-machine.h @@ -0,0 +1,73 @@ +/* Basic platform-independent macro definitions for mutexes, + thread-specific data and parameters for malloc. + Copyright (C) 2003-2014 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 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, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _MALLOC_MACHINE_H +#define _MALLOC_MACHINE_H + +#undef thread_atfork_static + +#include <atomic.h> +#include <bits/libc-lock.h> + +__libc_lock_define (typedef, mutex_t) + +#define mutex_init(m) __libc_lock_init (*(m)) +#define mutex_lock(m) __libc_lock_lock (*(m)) +#define mutex_trylock(m) __libc_lock_trylock (*(m)) +#define mutex_unlock(m) __libc_lock_unlock (*(m)) +#define MUTEX_INITIALIZER LLL_LOCK_INITIALIZER + +/* This is defined by newer gcc version unique for each module. */ +extern void *__dso_handle __attribute__ ((__weak__)); + +#include <fork.h> + +#define ATFORK_MEM static struct fork_handler atfork_mem + +#ifdef SHARED +# define thread_atfork(prepare, parent, child) \ + atfork_mem.prepare_handler = prepare; \ + atfork_mem.parent_handler = parent; \ + atfork_mem.child_handler = child; \ + atfork_mem.dso_handle = __dso_handle; \ + atfork_mem.refcntr = 1; \ + __linkin_atfork (&atfork_mem) +#else +# define thread_atfork(prepare, parent, child) \ + atfork_mem.prepare_handler = prepare; \ + atfork_mem.parent_handler = parent; \ + atfork_mem.child_handler = child; \ + atfork_mem.dso_handle = &__dso_handle == NULL ? NULL : __dso_handle; \ + atfork_mem.refcntr = 1; \ + __linkin_atfork (&atfork_mem) +#endif + +/* thread specific data for glibc */ + +#include <bits/libc-tsd.h> + +typedef int tsd_key_t[1]; /* no key data structure, libc magic does it */ +__libc_tsd_define (static, void *, MALLOC) /* declaration/common definition */ +#define tsd_key_create(key, destr) ((void) (key)) +#define tsd_setspecific(key, data) __libc_tsd_set (void *, MALLOC, (data)) +#define tsd_getspecific(key, vptr) ((vptr) = __libc_tsd_get (void *, MALLOC)) + +#include <sysdeps/generic/malloc-machine.h> + +#endif /* !defined(_MALLOC_MACHINE_H) */ |