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remove module-jack

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It's better to make a replacement client library
This commit is contained in:
Wim Taymans 2018-02-20 18:17:01 +01:00
parent 20e0d8b4ea
commit 5f92c152e3
12 changed files with 0 additions and 5770 deletions
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14
src/modules/meson.build
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@ -102,20 +102,6 @@ pipewire_module_audio_dsp = shared_library('pipewire-module-audio-dsp',
dependencies : [mathlib, dl_lib, rt_lib, pipewire_dep],
)
if jack_dep.found()
pipewire_module_jack = shared_library('pipewire-module-jack',
[ 'module-jack.c',
'module-jack/shm.c',
'module-jack/jack-node.c' ],
c_args : pipewire_module_c_args,
include_directories : [configinc, spa_inc],
link_with : spalib,
install : true,
install_dir : modules_install_dir,
dependencies : [jack_dep, mathlib, dl_lib, rt_lib, pipewire_dep],
)
endif
pipewire_module_suspend_on_idle = shared_library('pipewire-module-suspend-on-idle', [ 'module-suspend-on-idle.c' ],
c_args : pipewire_module_c_args,
include_directories : [configinc, spa_inc],

1581
src/modules/module-jack.c
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File diff suppressed because it is too large Load diff

144
src/modules/module-jack/defs.h
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@ -1,144 +0,0 @@
/* 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.
*/
#include "pipewire/log.h"
#define USE_POSIX_SHM
#undef JACK_MONITOR
#define JACK_DEFAULT_SERVER_NAME "default"
#define JACK_SOCKET_DIR "/dev/shm"
#define JACK_SHM_DIR "/dev/shm"
#define JACK_SERVER_NAME_SIZE 256
#define JACK_CLIENT_NAME_SIZE 64
#define JACK_PORT_NAME_SIZE 256
#define JACK_PORT_TYPE_SIZE 32
#define JACK_PROTOCOL_VERSION 8
#define JACK_MESSAGE_SIZE 256
#define PORT_NUM_MAX 4096
#define PORT_NUM_FOR_CLIENT 2048
#define CONNECTION_NUM_FOR_PORT PORT_NUM_FOR_CLIENT
#define REAL_JACK_PORT_NAME_SIZE JACK_CLIENT_NAME_SIZE + JACK_PORT_NAME_SIZE
#define BUFFER_SIZE_MAX 8192
#define CLIENT_NUM 256
#define JACK_ENGINE_ROLLING_COUNT 32
#define JACK_ENGINE_ROLLING_INTERVAL 1024
#define TIME_POINTS 100000
#define FAILURE_TIME_POINTS 10000
#define FAILURE_WINDOW 10
#define MEASURED_CLIENTS 32
#define SYNC_MAX_NAME_SIZE 256
#define JACK_UUID_SIZE 36
#define JACK_UUID_STRING_SIZE (JACK_UUID_SIZE+1)
#define JACK_SESSION_COMMAND_SIZE 256
#define NO_PORT 0xFFFE
#define EMPTY 0xFFFD
#define FREE 0xFFFC
typedef enum {
JACK_TIMER_SYSTEM_CLOCK,
JACK_TIMER_HPET,
} jack_timer_type_t;
enum jack_request_type {
jack_request_RegisterPort = 1,
jack_request_UnRegisterPort = 2,
jack_request_ConnectPorts = 3,
jack_request_DisconnectPorts = 4,
jack_request_SetTimeBaseClient = 5,
jack_request_ActivateClient = 6,
jack_request_DeactivateClient = 7,
jack_request_DisconnectPort = 8,
jack_request_SetClientCapabilities = 9,
jack_request_GetPortConnections = 10,
jack_request_GetPortNConnections = 11,
jack_request_ReleaseTimebase = 12,
jack_request_SetTimebaseCallback = 13,
jack_request_SetBufferSize = 20,
jack_request_SetFreeWheel = 21,
jack_request_ClientCheck = 22,
jack_request_ClientOpen = 23,
jack_request_ClientClose = 24,
jack_request_ConnectNamePorts = 25,
jack_request_DisconnectNamePorts = 26,
jack_request_GetInternalClientName = 27,
jack_request_InternalClientHandle = 28,
jack_request_InternalClientLoad = 29,
jack_request_InternalClientUnload = 30,
jack_request_PortRename = 31,
jack_request_Notification = 32,
jack_request_SessionNotify = 33,
jack_request_SessionReply = 34,
jack_request_GetClientByUUID = 35,
jack_request_ReserveClientName = 36,
jack_request_GetUUIDByClient = 37,
jack_request_ClientHasSessionCallback = 38,
jack_request_ComputeTotalLatencies = 39
};
enum jack_notification_type {
jack_notify_AddClient = 0,
jack_notify_RemoveClient = 1,
jack_notify_ActivateClient = 2,
jack_notify_XRunCallback = 3,
jack_notify_GraphOrderCallback = 4,
jack_notify_BufferSizeCallback = 5,
jack_notify_SampleRateCallback = 6,
jack_notify_StartFreewheelCallback = 7,
jack_notify_StopFreewheelCallback = 8,
jack_notify_PortRegistrationOnCallback = 9,
jack_notify_PortRegistrationOffCallback = 10,
jack_notify_PortConnectCallback = 11,
jack_notify_PortDisconnectCallback = 12,
jack_notify_PortRenameCallback = 13,
jack_notify_RealTimeCallback = 14,
jack_notify_ShutDownCallback = 15,
jack_notify_QUIT = 16,
jack_notify_SessionCallback = 17,
jack_notify_LatencyCallback = 18,
jack_notify_max = 64 // To keep some room in JackClientControl fCallback table
};
#define kActivateClient_size (2*sizeof(int))
#define kDeactivateClient_size (sizeof(int))
#define kSetTimebaseCallback_size (sizeof(int) + sizeof(int))
#define kRegisterPort_size (sizeof(int) + JACK_PORT_NAME_SIZE+1 + JACK_PORT_TYPE_SIZE+1 + 2*sizeof(unsigned int))
#define kClientCheck_size (JACK_CLIENT_NAME_SIZE+1 + 4 * sizeof(int))
#define kClientOpen_size (JACK_CLIENT_NAME_SIZE+1 + 2 * sizeof(int))
#define kClientClose_size (sizeof(int))
#define kConnectNamePorts_size (sizeof(int) + REAL_JACK_PORT_NAME_SIZE+1 + REAL_JACK_PORT_NAME_SIZE+1)
#define kDisconnectNamePorts_size (sizeof(int) + REAL_JACK_PORT_NAME_SIZE+1 + REAL_JACK_PORT_NAME_SIZE+1)
#define kGetUUIDByClient_size (JACK_CLIENT_NAME_SIZE+1)
#define CheckRead(var,size) if(read(client->fd,var,size)!=size) {pw_log_error("read error"); return -1; }
#define CheckWrite(var,size) if(send(client->fd,var,size,MSG_NOSIGNAL)!=size) {pw_log_error("write error"); return -1; }
#define CheckSize(expected) { int __size; CheckRead(&__size, sizeof(int)); if (__size != expected) { pw_log_error("CheckSize error size %d != %d", __size, (int)expected); return -1; } }
#define jack_error pw_log_error
#define jack_log pw_log_info

1093
src/modules/module-jack/jack-node.c
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134
src/modules/module-jack/jack-node.h
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@ -1,134 +0,0 @@
/* PipeWire
* Copyright (C) 2015 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.
*/
#ifndef __PIPEWIRE_JACK_NODE_H__
#define __PIPEWIRE_JACK_NODE_H__
#include <pipewire/node.h>
#ifdef __cplusplus
extern "C" {
#endif
struct pw_jack_port;
struct pw_jack_node {
struct pw_node *node;
struct pw_core *core;
struct jack_server *server;
struct jack_client_control *control;
struct pw_jack_port *driver_out;
struct pw_jack_port *driver_in;
struct spa_list graph_link;
void *user_data;
};
struct pw_jack_node_events {
#define PW_VERSION_JACK_NODE_EVENTS 0
uint32_t version;
void (*destroy) (void *data);
void (*free) (void *data);
/** the state of the node changed */
void (*state_changed) (void *data, enum pw_node_state old,
enum pw_node_state state, const char *error);
void (*pull) (void *data);
void (*push) (void *data);
};
struct pw_jack_port {
struct pw_jack_node *node;
enum pw_direction direction;
struct pw_port *port;
jack_port_id_t port_id;
struct jack_port *jack_port;
float *ptr;
void *user_data;
};
struct pw_jack_port_events {
#define PW_VERSION_JACK_PORT_EVENTS 0
uint32_t version;
void (*destroy) (void *data);
void (*free) (void *data);
};
struct pw_jack_node *
pw_jack_node_new(struct pw_core *core,
struct pw_global *parent,
struct jack_server *server,
const char *name,
int pid,
struct pw_properties *properties,
size_t user_data_size);
struct pw_jack_node *
pw_jack_driver_new(struct pw_core *core,
struct pw_global *parent,
struct jack_server *server,
const char *name,
int n_capture_channels,
int n_playback_channels,
struct pw_properties *properties,
size_t user_data_size);
void
pw_jack_node_destroy(struct pw_jack_node *node);
void pw_jack_node_add_listener(struct pw_jack_node *node,
struct spa_hook *listener,
const struct pw_jack_node_events *events,
void *data);
struct pw_jack_port *
pw_jack_node_add_port(struct pw_jack_node *node,
const char *name,
const char *type,
unsigned int flags,
size_t user_data_size);
void pw_jack_port_add_listener(struct pw_jack_port *port,
struct spa_hook *listener,
const struct pw_jack_port_events *events,
void *data);
struct pw_jack_port *
pw_jack_node_find_port(struct pw_jack_node *node,
enum pw_direction direction,
jack_port_id_t port_id);
#ifdef __cplusplus
}
#endif
#endif /* __PIPEWIRE_JACK_NODE_H__ */

28
src/modules/module-jack/jack.h
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@ -1,28 +0,0 @@
/* PipeWire
* Copyright (C) 2015 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.
*/
#include <jack/jack.h>
#include <jack/session.h>
#include "modules/module-jack/defs.h"
#include "modules/module-jack/synchro.h"
#include "modules/module-jack/shm.h"
#include "modules/module-jack/shared.h"
#include "modules/module-jack/port.h"
#include "modules/module-jack/server.h"

28
src/modules/module-jack/port.h
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@ -1,28 +0,0 @@
/* 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.
*/
static inline jack_port_type_id_t
jack_port_get_type_id(const char *type)
{
if (strcmp(type, JACK_DEFAULT_AUDIO_TYPE) == 0)
return 0;
else if (strcmp(type, JACK_DEFAULT_MIDI_TYPE) == 0)
return 1;
return 2;
}

67
src/modules/module-jack/server.h
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@ -1,67 +0,0 @@
/* 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_server;
struct jack_client {
struct spa_list link;
void *data;
struct client *owner;
struct pw_jack_node *node;
int fd; /* notify fd */
struct spa_hook node_listener;
struct spa_list client_link;
bool activated;
bool realtime;
};
struct jack_server {
pthread_mutex_t lock;
bool promiscuous;
struct jack_graph_manager *graph_manager;
struct jack_engine_control *engine_control;
struct jack_client* client_table[CLIENT_NUM];
struct jack_synchro synchro_table[CLIENT_NUM];
int audio_ref_num;
int freewheel_ref_num;
struct pw_jack_node *audio_node;
int audio_used;
};
static inline int
jack_server_allocate_ref_num(struct jack_server *server)
{
int i;
for (i = 0; i < CLIENT_NUM; i++)
if (server->client_table[i] == NULL)
return i;
return -1;
}
static inline void
jack_server_free_ref_num(struct jack_server *server, int ref_num)
{
server->client_table[ref_num] = NULL;
}

1063
src/modules/module-jack/shared.h
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1303
src/modules/module-jack/shm.c
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216
src/modules/module-jack/shm.h
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@ -1,216 +0,0 @@
/* This module provides a set of abstract shared memory interfaces
* with support using both System V and POSIX shared memory
* implementations. The code is divided into three sections:
*
* - common (interface-independent) code
* - POSIX implementation
* - System V implementation
* - Windows implementation
*
* The implementation used is determined by whether USE_POSIX_SHM was
* set in the ./configure step.
*/
/*
Copyright (C) 2001-2003 Paul Davis
Copyright (C) 2005-2012 Grame
This program 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.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __jack_shm_h__
#define __jack_shm_h__
#include <limits.h>
#include <sys/types.h>
#include <jack/types.h>
#define TRUE 1
#define FALSE 0
#ifdef __cplusplus
extern "C"
{
#endif
#define MAX_SERVERS 8 /* maximum concurrent servers */
#define MAX_SHM_ID 256 /* generally about 16 per server */
#define JACK_SHM_MAGIC 0x4a41434b /* shm magic number: "JACK" */
#define JACK_SHM_NULL_INDEX -1 /* NULL SHM index */
#define JACK_SHM_REGISTRY_INDEX -2 /* pseudo SHM index for registry */
/* On Mac OS X, SHM_NAME_MAX is the maximum length of a shared memory
* segment name (instead of NAME_MAX or PATH_MAX as defined by the
* standard).
*/
#ifdef USE_POSIX_SHM
#ifndef NAME_MAX
#define NAME_MAX 255
#endif
#ifndef SHM_NAME_MAX
#define SHM_NAME_MAX NAME_MAX
#endif
typedef char shm_name_t[SHM_NAME_MAX];
typedef shm_name_t jack_shm_id_t;
#elif WIN32
#define NAME_MAX 255
#ifndef SHM_NAME_MAX
#define SHM_NAME_MAX NAME_MAX
#endif
typedef char shm_name_t[SHM_NAME_MAX];
typedef shm_name_t jack_shm_id_t;
#elif __ANDROID__
#ifndef NAME_MAX
#define NAME_MAX 255
#endif
#ifndef SHM_NAME_MAX
#define SHM_NAME_MAX NAME_MAX
#endif
typedef char shm_name_t[SHM_NAME_MAX];
typedef shm_name_t jack_shm_id_t;
typedef int jack_shm_fd_t;
#else
/* System V SHM */
typedef int jack_shm_id_t;
#endif /* SHM type */
/* shared memory type */
typedef enum {
shm_POSIX = 1, /* POSIX shared memory */
shm_SYSV = 2, /* System V shared memory */
shm_WIN32 = 3, /* Windows 32 shared memory */
shm_ANDROID = 4 /* Android shared memory */
} jack_shmtype_t;
typedef int16_t jack_shm_registry_index_t;
/**
* A structure holding information about shared memory allocated by
* JACK. this persists across invocations of JACK, and can be used by
* multiple JACK servers. It contains no pointers and is valid across
* address spaces.
*
* The registry consists of two parts: a header including an array of
* server names, followed by an array of segment registry entries.
*/
typedef struct _jack_shm_server {
#ifdef WIN32
int pid; /* process ID */
#else
pid_t pid; /* process ID */
#endif
char name[JACK_SERVER_NAME_SIZE];
}
jack_shm_server_t;
typedef struct _jack_shm_header {
uint32_t magic; /* magic number */
uint16_t protocol; /* JACK protocol version */
jack_shmtype_t type; /* shm type */
jack_shmsize_t size; /* total registry segment size */
jack_shmsize_t hdr_len; /* size of header */
jack_shmsize_t entry_len; /* size of registry entry */
jack_shm_server_t server[MAX_SERVERS]; /* current server array */
}
jack_shm_header_t;
typedef struct _jack_shm_registry {
jack_shm_registry_index_t index; /* offset into the registry */
#ifdef WIN32
int allocator; /* PID that created shm segment */
#else
pid_t allocator; /* PID that created shm segment */
#endif
jack_shmsize_t size; /* for POSIX unattach */
jack_shm_id_t id; /* API specific, see above */
#ifdef __ANDROID__
jack_shm_fd_t fd;
#endif
}
jack_shm_registry_t;
#define JACK_SHM_REGISTRY_SIZE (sizeof (jack_shm_header_t) \
+ sizeof (jack_shm_registry_t) * MAX_SHM_ID)
/**
* a structure holding information about shared memory
* allocated by JACK. this version is valid only
* for a given address space. It contains a pointer
* indicating where the shared memory has been
* attached to the address space.
*/
PRE_PACKED_STRUCTURE
struct _jack_shm_info {
jack_shm_registry_index_t index; /* offset into the registry */
uint32_t size;
#ifdef __ANDROID__
jack_shm_fd_t fd;
#endif
union {
void *attached_at; /* address where attached */
char ptr_size[8];
} ptr; /* a "pointer" that has the same 8 bytes size when compling in 32 or 64 bits */
} POST_PACKED_STRUCTURE;
typedef struct _jack_shm_info jack_shm_info_t;
/* utility functions used only within JACK */
void jack_shm_copy_from_registry (jack_shm_info_t*,
jack_shm_registry_index_t);
void jack_shm_copy_to_registry (jack_shm_info_t*,
jack_shm_registry_index_t*);
int jack_release_shm_info (jack_shm_registry_index_t);
char* jack_shm_addr (jack_shm_info_t* si);
// here begin the API
int jack_register_server (const char *server_name, int new_registry);
int jack_unregister_server (const char *server_name);
int jack_initialize_shm (const char *server_name);
int jack_initialize_shm_server (void);
int jack_initialize_shm_client (void);
int jack_cleanup_shm (void);
int jack_shmalloc (const char *shm_name, jack_shmsize_t size,
jack_shm_info_t* result);
void jack_release_shm (jack_shm_info_t*);
void jack_release_lib_shm (jack_shm_info_t*);
void jack_destroy_shm (jack_shm_info_t*);
int jack_attach_shm (jack_shm_info_t*);
int jack_attach_lib_shm (jack_shm_info_t*);
int jack_attach_shm_read (jack_shm_info_t*);
int jack_attach_lib_shm_read (jack_shm_info_t*);
int jack_resize_shm (jack_shm_info_t*, jack_shmsize_t size);
#ifdef __cplusplus
}
#endif
#endif /* __jack_shm_h__ */

99
src/modules/module-jack/synchro.h
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@ -1,99 +0,0 @@
/* 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.
*/
#include <semaphore.h>
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 promiscuous)
{
char cname[SYNC_MAX_NAME_SIZE+1];
int i;
for (i = 0; client_name[i] != '\0'; i++) {
if (client_name[i] == '/' || client_name[i] == '\\')
cname[i] = '_';
else
cname[i] = client_name[i];
}
cname[i] = client_name[i];
if (promiscuous)
snprintf(synchro->name, sizeof(synchro->name),
"jack_sem.%s_%s", server_name, cname);
else
snprintf(synchro->name, sizeof(synchro->name),
"jack_sem.%d_%s_%s", getuid(), server_name, cname);
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 semaphore %s: %s", synchro->name, strerror(errno));
return -1;
}
return 0;
}
static inline bool
jack_synchro_close(struct jack_synchro *synchro)
{
if (synchro->semaphore == NULL)
return true;
if (sem_close(synchro->semaphore) < 0) {
pw_log_warn("can't close semaphore %s: %s", synchro->name, strerror(errno));
}
synchro->semaphore = NULL;
return true;
}
static inline bool
jack_synchro_signal(struct jack_synchro *synchro)
{
int res;
if (synchro->flush)
return true;
if ((res = sem_post(synchro->semaphore)) < 0)
pw_log_error("semaphore %s post err = %s", synchro->name, strerror(errno));
return res == 0;
}
static inline bool
jack_synchro_wait(struct jack_synchro *synchro)
{
int res;
while ((res = sem_wait(synchro->semaphore)) < 0) {
if (errno != EINTR)
continue;
pw_log_error("semaphore %s wait err = %s", synchro->name, strerror(errno));
break;
}
return res == 0;
}