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This commit is contained in:
Wim Taymans 2017-07-11 15:57:20 +02:00
parent 847cef83b6
commit d1655196c3
130 changed files with 363 additions and 335 deletions
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48
src/modules/module-jack/synchro.h Normal file
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/* PipeWire
* Copyright (C) 2017 Wim Taymans <wim.taymans@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
struct jack_synchro {
char name[SYNC_MAX_NAME_SIZE];
bool flush;
sem_t *semaphore;
};
#define JACK_SYNCHRO_INIT (struct jack_synchro) { { 0, }, false, NULL }
static inline int
jack_synchro_init(struct jack_synchro *synchro,
const char *client_name,
const char *server_name,
int value, bool internal,
bool promiscuous)
{
if (promiscuous)
snprintf(synchro->name, sizeof(synchro->name),
"jack_sem.%s_%s", server_name, client_name);
else
snprintf(synchro->name, sizeof(synchro->name),
"jack_sem.%d_%s_%s", getuid(), server_name, client_name);
synchro->flush = false;
if ((synchro->semaphore = sem_open(synchro->name, O_CREAT | O_RDWR, 0777, value)) == (sem_t*)SEM_FAILED) {
pw_log_error("can't check in named semaphore name = %s err = %s", synchro->name, strerror(errno));
return -1;
}
return 0;
}