X-Git-Url: https://code.delx.au/pulseaudio/blobdiff_plain/ee40a3439f33186f2c14237cbd1dab4a88bd1b10..33a88fbfdee773b1473cb5339540d79809363bdc:/src/pulsecore/flist.h diff --git a/src/pulsecore/flist.h b/src/pulsecore/flist.h index 57c9598b..915b1135 100644 --- a/src/pulsecore/flist.h +++ b/src/pulsecore/flist.h @@ -1,21 +1,21 @@ #ifndef foopulseflisthfoo #define foopulseflisthfoo -/* $Id$ */ - /*** This file is part of PulseAudio. - + + Copyright 2006-2008 Lennart Poettering + PulseAudio 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 of the + published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. - + PulseAudio 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 General Public License for more details. - + You should have received a copy of the GNU Lesser General Public License along with PulseAudio; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 @@ -23,17 +23,50 @@ ***/ #include +#include + +#include +#include /* A multiple-reader multipler-write lock-free free list implementation */ typedef struct pa_flist pa_flist; -/* Size is required to be a power of two, or 0 for the default size */ pa_flist * pa_flist_new(unsigned size); +/* Name string is copied and added to flist structure. The original is + * responsibility of the caller. The name is only used for debug printing. */ +pa_flist * pa_flist_new_with_name(unsigned size, const char *name); void pa_flist_free(pa_flist *l, pa_free_cb_t free_cb); /* Please note that this routine might fail! */ int pa_flist_push(pa_flist*l, void *p); void* pa_flist_pop(pa_flist*l); +/* Please not that the destructor stuff is not really necesary, we do + * this just to make valgrind output more useful. */ + +#define PA_STATIC_FLIST_DECLARE(name, size, free_cb) \ + static struct { \ + pa_flist *volatile flist; \ + pa_once once; \ + } name##_flist = { NULL, PA_ONCE_INIT }; \ + static void name##_flist_init(void) { \ + name##_flist.flist = \ + pa_flist_new_with_name(size, __FILE__ ": " #name); \ + } \ + static inline pa_flist* name##_flist_get(void) { \ + pa_run_once(&name##_flist.once, name##_flist_init); \ + return name##_flist.flist; \ + } \ + static void name##_flist_destructor(void) PA_GCC_DESTRUCTOR; \ + static void name##_flist_destructor(void) { \ + if (!pa_in_valgrind()) \ + return; \ + if (name##_flist.flist) \ + pa_flist_free(name##_flist.flist, (free_cb)); \ + } \ + struct __stupid_useless_struct_to_allow_trailing_semicolon + +#define PA_STATIC_FLIST_GET(name) (name##_flist_get()) + #endif