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Diffstat (limited to 'src/pulsecore/fdsem.h')
-rw-r--r-- | src/pulsecore/fdsem.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/pulsecore/fdsem.h b/src/pulsecore/fdsem.h new file mode 100644 index 00000000..f38ef205 --- /dev/null +++ b/src/pulsecore/fdsem.h @@ -0,0 +1,49 @@ +#ifndef foopulsefdsemhfoo +#define foopulsefdsemhfoo + +/* $Id$ */ + +/*** + This file is part of PulseAudio. + + Copyright 2004-2006 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 2.1 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 + Lesser 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 + USA. +***/ + +#include <sys/types.h> +#include <pulse/def.h> + +/* A simple, asynchronous semaphore which uses fds for sleeping. In + * the best case all functions are lock-free unless sleeping is + * required. */ + +typedef struct pa_fdsem pa_fdsem; + +pa_fdsem *pa_fdsem_new(void); +void pa_fdsem_free(pa_fdsem *f); + +void pa_fdsem_post(pa_fdsem *f); +void pa_fdsem_wait(pa_fdsem *f); +int pa_fdsem_try(pa_fdsem *f); + +int pa_fdsem_get(pa_fdsem *f); + +int pa_fdsem_before_poll(pa_fdsem *f); +int pa_fdsem_after_poll(pa_fdsem *f); + + +#endif |