diff options
Diffstat (limited to 'src/3rdparty/ptmalloc/sysdeps/generic')
-rw-r--r-- | src/3rdparty/ptmalloc/sysdeps/generic/atomic.h | 1 | ||||
-rw-r--r-- | src/3rdparty/ptmalloc/sysdeps/generic/malloc-machine.h | 68 | ||||
-rw-r--r-- | src/3rdparty/ptmalloc/sysdeps/generic/thread-st.h | 48 |
3 files changed, 117 insertions, 0 deletions
diff --git a/src/3rdparty/ptmalloc/sysdeps/generic/atomic.h b/src/3rdparty/ptmalloc/sysdeps/generic/atomic.h new file mode 100644 index 0000000000..a3aeed13e8 --- /dev/null +++ b/src/3rdparty/ptmalloc/sysdeps/generic/atomic.h @@ -0,0 +1 @@ +/* Empty placeholder */ diff --git a/src/3rdparty/ptmalloc/sysdeps/generic/malloc-machine.h b/src/3rdparty/ptmalloc/sysdeps/generic/malloc-machine.h new file mode 100644 index 0000000000..345137060d --- /dev/null +++ b/src/3rdparty/ptmalloc/sysdeps/generic/malloc-machine.h @@ -0,0 +1,68 @@ +/* Basic platform-independent macro definitions for mutexes, + thread-specific data and parameters for malloc. + Copyright (C) 2003 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _GENERIC_MALLOC_MACHINE_H +#define _GENERIC_MALLOC_MACHINE_H + +#include <atomic.h> + +#ifndef mutex_init /* No threads, provide dummy macros */ + +# define NO_THREADS + +/* The mutex functions used to do absolutely nothing, i.e. lock, + trylock and unlock would always just return 0. However, even + without any concurrently active threads, a mutex can be used + legitimately as an `in use' flag. To make the code that is + protected by a mutex async-signal safe, these macros would have to + be based on atomic test-and-set operations, for example. */ +typedef int mutex_t; + +# define mutex_init(m) (*(m) = 0) +# define mutex_lock(m) ((*(m) = 1), 0) +# define mutex_trylock(m) (*(m) ? 1 : ((*(m) = 1), 0)) +# define mutex_unlock(m) (*(m) = 0) + +typedef void *tsd_key_t; +# define tsd_key_create(key, destr) do {} while(0) +# define tsd_setspecific(key, data) ((key) = (data)) +# define tsd_getspecific(key, vptr) (vptr = (key)) + +# define thread_atfork(prepare, parent, child) do {} while(0) + +#endif /* !defined mutex_init */ + +#ifndef atomic_full_barrier +# define atomic_full_barrier() __asm ("" ::: "memory") +#endif + +#ifndef atomic_read_barrier +# define atomic_read_barrier() atomic_full_barrier () +#endif + +#ifndef atomic_write_barrier +# define atomic_write_barrier() atomic_full_barrier () +#endif + +#ifndef DEFAULT_TOP_PAD +# define DEFAULT_TOP_PAD 131072 +#endif + +#endif /* !defined(_GENERIC_MALLOC_MACHINE_H) */ diff --git a/src/3rdparty/ptmalloc/sysdeps/generic/thread-st.h b/src/3rdparty/ptmalloc/sysdeps/generic/thread-st.h new file mode 100644 index 0000000000..0243774b7c --- /dev/null +++ b/src/3rdparty/ptmalloc/sysdeps/generic/thread-st.h @@ -0,0 +1,48 @@ +/* + * $Id:$ + * Generic version: no threads. + * by Wolfram Gloger 2004 + */ + +#include <stdio.h> + +struct thread_st { + char *sp; /* stack pointer, can be 0 */ + void (*func)(struct thread_st* st); /* must be set by user */ + int id; + int flags; + struct user_data u; +}; + +static void +thread_init(void) +{ + printf("No threads.\n"); +} + +/* Create a thread. */ +static int +thread_create(struct thread_st *st) +{ + st->flags = 0; + st->id = 1; + st->func(st); + return 0; +} + +/* Wait for one of several subthreads to finish. */ +static void +wait_for_thread(struct thread_st st[], int n_thr, + int (*end_thr)(struct thread_st*)) +{ + int i; + for(i=0; i<n_thr; i++) + if(end_thr) + end_thr(&st[i]); +} + +/* + * Local variables: + * tab-width: 4 + * End: + */ |