mirror of
https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
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5effc83479
FSF addresses used in PA sources are no longer valid and rpmlint generates numerous warnings during packaging because of this. This patch changes all FSF addresses to FSF web page according to the GPL how-to: https://www.gnu.org/licenses/gpl-howto.en.html Done automatically by sed-ing through sources.
56 lines
1.9 KiB
C
56 lines
1.9 KiB
C
#ifndef foopulseshmasyncqhfoo
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#define foopulseshmasyncqhfoo
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/***
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This file is part of PulseAudio.
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Copyright 2004-2006 Lennart Poettering
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PulseAudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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PulseAudio is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
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***/
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#include <sys/types.h>
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#include <pulsecore/macro.h>
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/* Similar to pa_asyncq, but stores data in a shared memory segment */
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struct pa_shmasyncq_data {
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unsigned n_elements;
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size_t element_size;
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unsigned read_idx;
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unsigned write_idx;
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pa_fdsem_data read_fdsem_data, write_fdsem_data;
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};
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#define PA_SHMASYNCQ_DEFAULT_N_ELEMENTS 128
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#define PA_SHMASYNCQ_SIZE(n_elements, element_size) (PA_ALIGN(sizeof(pa_shmasyncq_data)) + (((n_elements) * (PA_ALIGN(sizeof(pa_atomic_t)) + PA_ALIGN(element_size)))))
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#define PA_SHMASYNCQ_DEFAULT_SIZE(element_size) PA_SHMASYNCQ_SIZE(PA_SHMASYNCQ_DEFAULT_N_ELEMENTS, element_size)
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typedef struct pa_shmasyncq pa_shmasyncq;
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pa_shmasyncq *pa_shmasyncq_new(unsigned n_elements, size_t element_size, void *data, int fd[2]);
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void pa_shmasyncq_free(pa_shmasyncq* q, pa_free_cb_t free_cb);
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void* pa_shmasyncq_pop_begin(pa_shmasyncq *q, bool wait);
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void pa_shmasyncq_pop_commit(pa_shmasyncq *q);
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int* pa_shmasyncq_push_begin(pa_shmasyncq *q, bool wait);
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void pa_shmasyncq_push_commit(pa_shmasyncq *q);
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int pa_shmasyncq_get_fd(pa_shmasyncq *q);
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int pa_shmasyncq_before_poll(pa_shmasyncq *a);
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void pa_shmasyncq_after_poll(pa_shmasyncq *a);
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#endif
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