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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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f4538e24b6
There are problems with global shared state and no API stability guarantees, and we can't rely on distros shipping the fixes we need. Both firefox and Chrome bundle their own copies too. Imported from https://github.com/sctplab/usrsctp, commit 547d3b46c64876c0336b9eef297fda58dbe1adaf Date: Thu Jul 23 21:49:32 2020 +0200 Fixes https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/issues/870 Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1465>
97 lines
3.7 KiB
C
97 lines
3.7 KiB
C
/*-
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* Copyright (c) 2009-2010 Brad Penoff
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* Copyright (c) 2009-2010 Humaira Kamal
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* Copyright (c) 2011-2012 Irene Ruengeler
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* Copyright (c) 2011-2012 Michael Tuexen
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _USER_UMA_H_
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#define _USER_UMA_H_
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#define UMA_ZFLAG_FULL 0x40000000 /* Reached uz_maxpages */
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#define UMA_ALIGN_PTR (sizeof(void *) - 1) /* Alignment fit for ptr */
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/* __Userspace__ All these definitions will change for
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userspace Universal Memory Allocator (UMA). These are included
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for reference purposes and to avoid compile errors for the time being.
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*/
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typedef int (*uma_ctor)(void *mem, int size, void *arg, int flags);
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typedef void (*uma_dtor)(void *mem, int size, void *arg);
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typedef int (*uma_init)(void *mem, int size, int flags);
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typedef void (*uma_fini)(void *mem, int size);
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typedef struct uma_zone * uma_zone_t;
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typedef struct uma_keg * uma_keg_t;
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struct uma_cache {
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int stub; /* TODO __Userspace__ */
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};
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struct uma_keg {
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int stub; /* TODO __Userspace__ */
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};
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struct uma_zone {
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char *uz_name; /* Text name of the zone */
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struct mtx *uz_lock; /* Lock for the zone (keg's lock) */
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uma_keg_t uz_keg; /* Our underlying Keg */
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LIST_ENTRY(uma_zone) uz_link; /* List of all zones in keg */
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LIST_HEAD(,uma_bucket) uz_full_bucket; /* full buckets */
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LIST_HEAD(,uma_bucket) uz_free_bucket; /* Buckets for frees */
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uma_ctor uz_ctor; /* Constructor for each allocation */
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uma_dtor uz_dtor; /* Destructor */
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uma_init uz_init; /* Initializer for each item */
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uma_fini uz_fini; /* Discards memory */
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u_int64_t uz_allocs; /* Total number of allocations */
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u_int64_t uz_frees; /* Total number of frees */
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u_int64_t uz_fails; /* Total number of alloc failures */
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uint16_t uz_fills; /* Outstanding bucket fills */
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uint16_t uz_count; /* Highest value ub_ptr can have */
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/*
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* This HAS to be the last item because we adjust the zone size
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* based on NCPU and then allocate the space for the zones.
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*/
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struct uma_cache uz_cpu[1]; /* Per cpu caches */
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};
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/* Prototype */
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uma_zone_t
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uma_zcreate(char *name, size_t size, uma_ctor ctor, uma_dtor dtor,
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uma_init uminit, uma_fini fini, int align, uint32_t flags);
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#define uma_zone_set_max(zone, number) /* stub TODO __Userspace__ */
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uma_zone_t
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uma_zcreate(char *name, size_t size, uma_ctor ctor, uma_dtor dtor,
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uma_init uminit, uma_fini fini, int align, uint32_t flags) {
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return NULL; /* stub TODO __Userspace__. Also place implementation in a separate .c file */
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}
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#endif
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