From 3122008704ad07fe4982de0e642576ca7613d7bf Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Thu, 5 Mar 2009 04:33:40 +0100 Subject: try to detect when stupid clients forks and refuse all service from then on --- src/Makefile.am | 1 + src/pulse/context.c | 29 +++++++++++++++++-- src/pulse/def.h | 2 ++ src/pulse/error.c | 3 +- src/pulse/ext-stream-restore.c | 9 ++++++ src/pulse/fork-detect.c | 59 ++++++++++++++++++++++++++++++++++++++ src/pulse/fork-detect.h | 27 ++++++++++++++++++ src/pulse/introspect.c | 35 +++++++++++++++++++++++ src/pulse/stream.c | 65 ++++++++++++++++++++++++++++++++++++++++++ 9 files changed, 227 insertions(+), 3 deletions(-) create mode 100644 src/pulse/fork-detect.c create mode 100644 src/pulse/fork-detect.h diff --git a/src/Makefile.am b/src/Makefile.am index aa190a45..675431ca 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -540,6 +540,7 @@ lib_LTLIBRARIES = \ libpulsecommon_@PA_MAJORMINORMICRO@_la_SOURCES = \ pulse/client-conf.c pulse/client-conf.h \ pulse/i18n.c pulse/i18n.h \ + pulse/fork-detect.c pulse/fork-detect.h \ pulsecore/atomic.h \ pulsecore/authkey.c pulsecore/authkey.h \ pulsecore/conf-parser.c pulsecore/conf-parser.h \ diff --git a/src/pulse/context.c b/src/pulse/context.c index 1284153f..00dffc25 100644 --- a/src/pulse/context.c +++ b/src/pulse/context.c @@ -74,6 +74,7 @@ #include "internal.h" #include "client-conf.h" +#include "fork-detect.h" #ifdef HAVE_X11 #include "client-conf-x11.h" @@ -127,6 +128,9 @@ pa_context *pa_context_new_with_proplist(pa_mainloop_api *mainloop, const char * pa_assert(mainloop); + if (pa_detect_fork()) + return NULL; + pa_init_i18n(); c = pa_xnew(pa_context, 1); @@ -822,6 +826,7 @@ int pa_context_connect( pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); + PA_CHECK_VALIDITY(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY(c, c->state == PA_CONTEXT_UNCONNECTED, PA_ERR_BADSTATE); PA_CHECK_VALIDITY(c, !(flags & ~PA_CONTEXT_NOAUTOSPAWN), PA_ERR_INVALID); PA_CHECK_VALIDITY(c, !server || *server, PA_ERR_INVALID); @@ -894,6 +899,9 @@ void pa_context_disconnect(pa_context *c) { pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); + if (pa_detect_fork()) + return; + if (PA_CONTEXT_IS_GOOD(c->state)) pa_context_set_state(c, PA_CONTEXT_TERMINATED); } @@ -916,6 +924,9 @@ void pa_context_set_state_callback(pa_context *c, pa_context_notify_cb_t cb, voi pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); + if (pa_detect_fork()) + return; + if (c->state == PA_CONTEXT_TERMINATED || c->state == PA_CONTEXT_FAILED) return; @@ -927,6 +938,9 @@ void pa_context_set_event_callback(pa_context *c, pa_context_event_cb_t cb, void pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); + if (pa_detect_fork()) + return; + if (c->state == PA_CONTEXT_TERMINATED || c->state == PA_CONTEXT_FAILED) return; @@ -938,6 +952,7 @@ int pa_context_is_pending(pa_context *c) { pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); + PA_CHECK_VALIDITY(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY(c, PA_CONTEXT_IS_GOOD(c->state), PA_ERR_BADSTATE); return (c->pstream && pa_pstream_is_pending(c->pstream)) || @@ -994,6 +1009,7 @@ pa_operation* pa_context_drain(pa_context *c, pa_context_notify_cb_t cb, void *u pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, pa_context_is_pending(c), PA_ERR_BADSTATE); @@ -1042,6 +1058,7 @@ pa_operation* pa_context_send_simple_command(pa_context *c, uint32_t command, pa pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); o = pa_operation_new(c, NULL, cb, userdata); @@ -1068,6 +1085,7 @@ pa_operation* pa_context_set_default_sink(pa_context *c, const char *name, pa_co pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata); @@ -1087,6 +1105,7 @@ pa_operation* pa_context_set_default_source(pa_context *c, const char *name, pa_ pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata); @@ -1102,6 +1121,7 @@ int pa_context_is_local(pa_context *c) { pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); + PA_CHECK_VALIDITY_RETURN_ANY(c, !pa_detect_fork(), PA_ERR_FORKED, -1); PA_CHECK_VALIDITY_RETURN_ANY(c, PA_CONTEXT_IS_GOOD(c->state), PA_ERR_BADSTATE, -1); return !!c->is_local; @@ -1114,6 +1134,7 @@ pa_operation* pa_context_set_name(pa_context *c, const char *name, pa_context_su pa_assert(PA_REFCNT_VALUE(c) >= 1); pa_assert(name); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); if (c->version >= 13) { @@ -1144,8 +1165,8 @@ const char* pa_context_get_server(pa_context *c) { pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); - if (!c->server) - return NULL; + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); + PA_CHECK_VALIDITY_RETURN_NULL(c, c->server, PA_ERR_NOENTITY); if (*c->server == '{') { char *e = strchr(c->server+1, '}'); @@ -1163,6 +1184,7 @@ uint32_t pa_context_get_server_protocol_version(pa_context *c) { pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); + PA_CHECK_VALIDITY_RETURN_ANY(c, !pa_detect_fork(), PA_ERR_FORKED, PA_INVALID_INDEX); PA_CHECK_VALIDITY_RETURN_ANY(c, PA_CONTEXT_IS_GOOD(c->state), PA_ERR_BADSTATE, PA_INVALID_INDEX); return c->version; @@ -1185,6 +1207,7 @@ uint32_t pa_context_get_index(pa_context *c) { pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); + PA_CHECK_VALIDITY_RETURN_ANY(c, !pa_detect_fork(), PA_ERR_FORKED, PA_INVALID_INDEX); PA_CHECK_VALIDITY_RETURN_ANY(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE, PA_INVALID_INDEX); PA_CHECK_VALIDITY_RETURN_ANY(c, c->version >= 13, PA_ERR_NOTSUPPORTED, PA_INVALID_INDEX); @@ -1199,6 +1222,7 @@ pa_operation *pa_context_proplist_update(pa_context *c, pa_update_mode_t mode, p pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, mode == PA_UPDATE_SET || mode == PA_UPDATE_MERGE || mode == PA_UPDATE_REPLACE, PA_ERR_INVALID); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 13, PA_ERR_NOTSUPPORTED); @@ -1227,6 +1251,7 @@ pa_operation *pa_context_proplist_remove(pa_context *c, const char *const keys[] pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, keys && keys[0], PA_ERR_INVALID); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 13, PA_ERR_NOTSUPPORTED); diff --git a/src/pulse/def.h b/src/pulse/def.h index 7f3a0c5d..3629aabc 100644 --- a/src/pulse/def.h +++ b/src/pulse/def.h @@ -389,6 +389,7 @@ enum { PA_ERR_NOEXTENSION, /**< Extension does not exist. \since 0.9.12 */ PA_ERR_OBSOLETE, /**< Obsolete functionality. \since 0.9.15 */ PA_ERR_NOTIMPLEMENTED, /**< Missing implementation. \since 0.9.15 */ + PA_ERR_FORKED, /**< The caler forked without calling execve() and tried to reuse the context. \since 0.9.15 */ PA_ERR_MAX /**< Not really an error but the first invalid error code */ }; @@ -417,6 +418,7 @@ enum { #define PA_ERR_NOEXTENSION PA_ERR_NOEXTENSION #define PA_ERR_OBSOLETE PA_ERR_OBSOLETE #define PA_ERR_NOTIMPLEMENTED PA_ERR_NOTIMPLEMENTED +#define PA_ERR_FORKED PA_ERR_FORKED #define PA_ERR_MAX PA_ERR_MAX /** \endcond */ diff --git a/src/pulse/error.c b/src/pulse/error.c index 9551d98e..93a13fc6 100644 --- a/src/pulse/error.c +++ b/src/pulse/error.c @@ -63,7 +63,8 @@ const char*pa_strerror(int error) { [PA_ERR_UNKNOWN] = N_("Unknown error code"), [PA_ERR_NOEXTENSION] = N_("No such extension"), [PA_ERR_OBSOLETE] = N_("Obsolete functionality"), - [PA_ERR_NOTIMPLEMENTED] = N_("Missing implementation") + [PA_ERR_NOTIMPLEMENTED] = N_("Missing implementation"), + [PA_ERR_FORKED] = N_("Client forked") }; pa_init_i18n(); diff --git a/src/pulse/ext-stream-restore.c b/src/pulse/ext-stream-restore.c index 809c6a4c..63c911f8 100644 --- a/src/pulse/ext-stream-restore.c +++ b/src/pulse/ext-stream-restore.c @@ -31,6 +31,7 @@ #include "internal.h" #include "operation.h" +#include "fork-detect.h" #include "ext-stream-restore.h" @@ -87,6 +88,7 @@ pa_operation *pa_ext_stream_restore_test( pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 14, PA_ERR_NOTSUPPORTED); @@ -167,6 +169,7 @@ pa_operation *pa_ext_stream_restore_read( pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 14, PA_ERR_NOTSUPPORTED); @@ -200,6 +203,7 @@ pa_operation *pa_ext_stream_restore_write( pa_assert(mode == PA_UPDATE_MERGE || mode == PA_UPDATE_REPLACE || mode == PA_UPDATE_SET); pa_assert(data); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 14, PA_ERR_NOTSUPPORTED); @@ -262,6 +266,7 @@ pa_operation *pa_ext_stream_restore_delete( pa_assert(PA_REFCNT_VALUE(c) >= 1); pa_assert(s); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 14, PA_ERR_NOTSUPPORTED); @@ -310,6 +315,7 @@ pa_operation *pa_ext_stream_restore_subscribe( pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 14, PA_ERR_NOTSUPPORTED); @@ -334,6 +340,9 @@ void pa_ext_stream_restore_set_subscribe_cb( pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); + if (pa_detect_fork()) + return; + c->ext_stream_restore.callback = cb; c->ext_stream_restore.userdata = userdata; } diff --git a/src/pulse/fork-detect.c b/src/pulse/fork-detect.c new file mode 100644 index 00000000..f10fc029 --- /dev/null +++ b/src/pulse/fork-detect.c @@ -0,0 +1,59 @@ +/*** + This file is part of PulseAudio. + + Copyright 2009 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 + 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. +***/ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#include + +#include +#include + +#include "fork-detect.h" + +int pa_detect_fork(void) { + static pa_atomic_t pid = PA_ATOMIC_INIT((int) -1); + + /* Some really stupid applications (Hey, vim, that means you!) + * love to fork after initializing + * gtk/libcanberra/pulseaudio. This is really bad style. We + * however have to deal with this cleanly, so we try to detect the + * forks making sure all our calls fail cleanly after the fork. */ + + pa_assert(sizeof(pa_atomic_t) >= sizeof(pid_t)); + + for (;;) { + pid_t stored_pid = (pid_t) pa_atomic_load(&pid); + + /* First let's check whether the current pid matches the stored one */ + if (stored_pid == getpid()) + return FALSE; + + /* Does it contain a different PID than ours? Then the process got forked. */ + if ((int) stored_pid != (int) -1) + return TRUE; + + /* Ok, it still contains no PID, then store it */ + if (pa_atomic_cmpxchg(&pid, (int) -1, (int) getpid())) + return FALSE; + } +} diff --git a/src/pulse/fork-detect.h b/src/pulse/fork-detect.h new file mode 100644 index 00000000..649d9818 --- /dev/null +++ b/src/pulse/fork-detect.h @@ -0,0 +1,27 @@ +#ifndef fooforkdetecthfoo +#define fooforkdetecthfoo + +/*** + This file is part of PulseAudio. + + Copyright 2009 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 + 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. +***/ + +int pa_detect_fork(void); + +#endif diff --git a/src/pulse/introspect.c b/src/pulse/introspect.c index 847ead0d..ac8a11aa 100644 --- a/src/pulse/introspect.c +++ b/src/pulse/introspect.c @@ -35,6 +35,7 @@ #include #include "internal.h" +#include "fork-detect.h" #include "introspect.h" @@ -232,6 +233,7 @@ pa_operation* pa_context_get_sink_info_by_index(pa_context *c, uint32_t idx, pa_ pa_assert(PA_REFCNT_VALUE(c) >= 1); pa_assert(cb); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata); @@ -254,6 +256,7 @@ pa_operation* pa_context_get_sink_info_by_name(pa_context *c, const char *name, pa_assert(PA_REFCNT_VALUE(c) >= 1); pa_assert(cb); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, !name || *name, PA_ERR_INVALID); @@ -365,6 +368,7 @@ pa_operation* pa_context_get_source_info_by_index(pa_context *c, uint32_t idx, p pa_assert(PA_REFCNT_VALUE(c) >= 1); pa_assert(cb); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata); @@ -387,6 +391,7 @@ pa_operation* pa_context_get_source_info_by_name(pa_context *c, const char *name pa_assert(PA_REFCNT_VALUE(c) >= 1); pa_assert(cb); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, !name || *name, PA_ERR_INVALID); @@ -466,6 +471,7 @@ pa_operation* pa_context_get_client_info(pa_context *c, uint32_t idx, pa_client_ pa_assert(PA_REFCNT_VALUE(c) >= 1); pa_assert(cb); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, idx != PA_INVALID_INDEX, PA_ERR_INVALID); @@ -590,6 +596,7 @@ pa_operation* pa_context_get_card_info_by_index(pa_context *c, uint32_t idx, pa_ pa_assert(PA_REFCNT_VALUE(c) >= 1); pa_assert(cb); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, idx != PA_INVALID_INDEX, PA_ERR_INVALID); PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 15, PA_ERR_NOTSUPPORTED); @@ -614,6 +621,7 @@ pa_operation* pa_context_get_card_info_by_name(pa_context *c, const char*name, p pa_assert(PA_REFCNT_VALUE(c) >= 1); pa_assert(cb); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, !name || *name, PA_ERR_INVALID); PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 15, PA_ERR_NOTSUPPORTED); @@ -641,6 +649,7 @@ pa_operation* pa_context_set_card_profile_by_index(pa_context *c, uint32_t idx, pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, idx != PA_INVALID_INDEX, PA_ERR_INVALID); PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 15, PA_ERR_NOTSUPPORTED); @@ -665,6 +674,7 @@ pa_operation* pa_context_set_card_profile_by_name(pa_context *c, const char *nam pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, !name || *name, PA_ERR_INVALID); PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 15, PA_ERR_NOTSUPPORTED); @@ -748,6 +758,7 @@ pa_operation* pa_context_get_module_info(pa_context *c, uint32_t idx, pa_module_ pa_assert(PA_REFCNT_VALUE(c) >= 1); pa_assert(cb); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, idx != PA_INVALID_INDEX, PA_ERR_INVALID); @@ -842,6 +853,7 @@ pa_operation* pa_context_get_sink_input_info(pa_context *c, uint32_t idx, pa_sin pa_assert(PA_REFCNT_VALUE(c) >= 1); pa_assert(cb); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, idx != PA_INVALID_INDEX, PA_ERR_INVALID); @@ -931,6 +943,7 @@ pa_operation* pa_context_get_source_output_info(pa_context *c, uint32_t idx, pa_ pa_assert(PA_REFCNT_VALUE(c) >= 1); pa_assert(cb); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, idx != PA_INVALID_INDEX, PA_ERR_INVALID); @@ -959,6 +972,7 @@ pa_operation* pa_context_set_sink_volume_by_index(pa_context *c, uint32_t idx, c pa_assert(PA_REFCNT_VALUE(c) >= 1); pa_assert(volume); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, pa_cvolume_valid(volume), PA_ERR_INVALID); @@ -984,6 +998,7 @@ pa_operation* pa_context_set_sink_volume_by_name(pa_context *c, const char *name pa_assert(name); pa_assert(volume); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, pa_cvolume_valid(volume), PA_ERR_INVALID); PA_CHECK_VALIDITY_RETURN_NULL(c, !name || *name, PA_ERR_INVALID); @@ -1008,6 +1023,7 @@ pa_operation* pa_context_set_sink_mute_by_index(pa_context *c, uint32_t idx, int pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata); @@ -1031,6 +1047,7 @@ pa_operation* pa_context_set_sink_mute_by_name(pa_context *c, const char *name, pa_assert(PA_REFCNT_VALUE(c) >= 1); pa_assert(name); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, !name || *name, PA_ERR_INVALID); @@ -1055,6 +1072,7 @@ pa_operation* pa_context_set_sink_input_volume(pa_context *c, uint32_t idx, cons pa_assert(PA_REFCNT_VALUE(c) >= 1); pa_assert(volume); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, idx != PA_INVALID_INDEX, PA_ERR_INVALID); PA_CHECK_VALIDITY_RETURN_NULL(c, pa_cvolume_valid(volume), PA_ERR_INVALID); @@ -1078,6 +1096,7 @@ pa_operation* pa_context_set_sink_input_mute(pa_context *c, uint32_t idx, int mu pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, idx != PA_INVALID_INDEX, PA_ERR_INVALID); PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 11, PA_ERR_NOTSUPPORTED); @@ -1102,6 +1121,7 @@ pa_operation* pa_context_set_source_volume_by_index(pa_context *c, uint32_t idx, pa_assert(PA_REFCNT_VALUE(c) >= 1); pa_assert(volume); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, pa_cvolume_valid(volume), PA_ERR_INVALID); @@ -1127,6 +1147,7 @@ pa_operation* pa_context_set_source_volume_by_name(pa_context *c, const char *na pa_assert(name); pa_assert(volume); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, pa_cvolume_valid(volume), PA_ERR_INVALID); PA_CHECK_VALIDITY_RETURN_NULL(c, !name || *name, PA_ERR_INVALID); @@ -1151,6 +1172,7 @@ pa_operation* pa_context_set_source_mute_by_index(pa_context *c, uint32_t idx, i pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata); @@ -1174,6 +1196,7 @@ pa_operation* pa_context_set_source_mute_by_name(pa_context *c, const char *name pa_assert(PA_REFCNT_VALUE(c) >= 1); pa_assert(name); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, !name || *name, PA_ERR_INVALID); @@ -1261,6 +1284,7 @@ pa_operation* pa_context_get_sample_info_by_name(pa_context *c, const char *name pa_assert(PA_REFCNT_VALUE(c) >= 1); pa_assert(cb); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, name && *name, PA_ERR_INVALID); @@ -1284,6 +1308,7 @@ pa_operation* pa_context_get_sample_info_by_index(pa_context *c, uint32_t idx, p pa_assert(PA_REFCNT_VALUE(c) >= 1); pa_assert(cb); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, idx != PA_INVALID_INDEX, PA_ERR_INVALID); @@ -1310,6 +1335,7 @@ static pa_operation* command_kill(pa_context *c, uint32_t command, uint32_t idx, pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, idx != PA_INVALID_INDEX, PA_ERR_INVALID); @@ -1376,6 +1402,7 @@ pa_operation* pa_context_load_module(pa_context *c, const char*name, const char pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, name && *name, PA_ERR_INVALID); @@ -1459,6 +1486,7 @@ pa_operation* pa_context_move_sink_input_by_name(pa_context *c, uint32_t idx, co pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 10, PA_ERR_NOTSUPPORTED); PA_CHECK_VALIDITY_RETURN_NULL(c, idx != PA_INVALID_INDEX, PA_ERR_INVALID); @@ -1484,6 +1512,7 @@ pa_operation* pa_context_move_sink_input_by_index(pa_context *c, uint32_t idx, u pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 10, PA_ERR_NOTSUPPORTED); PA_CHECK_VALIDITY_RETURN_NULL(c, idx != PA_INVALID_INDEX, PA_ERR_INVALID); @@ -1509,6 +1538,7 @@ pa_operation* pa_context_move_source_output_by_name(pa_context *c, uint32_t idx, pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 10, PA_ERR_NOTSUPPORTED); PA_CHECK_VALIDITY_RETURN_NULL(c, idx != PA_INVALID_INDEX, PA_ERR_INVALID); @@ -1534,6 +1564,7 @@ pa_operation* pa_context_move_source_output_by_index(pa_context *c, uint32_t idx pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 10, PA_ERR_NOTSUPPORTED); PA_CHECK_VALIDITY_RETURN_NULL(c, idx != PA_INVALID_INDEX, PA_ERR_INVALID); @@ -1559,6 +1590,7 @@ pa_operation* pa_context_suspend_sink_by_name(pa_context *c, const char *sink_na pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 11, PA_ERR_NOTSUPPORTED); PA_CHECK_VALIDITY_RETURN_NULL(c, !sink_name || *sink_name, PA_ERR_INVALID); @@ -1583,6 +1615,7 @@ pa_operation* pa_context_suspend_sink_by_index(pa_context *c, uint32_t idx, int pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 11, PA_ERR_NOTSUPPORTED); @@ -1606,6 +1639,7 @@ pa_operation* pa_context_suspend_source_by_name(pa_context *c, const char *sourc pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 11, PA_ERR_NOTSUPPORTED); PA_CHECK_VALIDITY_RETURN_NULL(c, !source_name || *source_name, PA_ERR_INVALID); @@ -1630,6 +1664,7 @@ pa_operation* pa_context_suspend_source_by_index(pa_context *c, uint32_t idx, in pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 11, PA_ERR_NOTSUPPORTED); diff --git a/src/pulse/stream.c b/src/pulse/stream.c index 2455fe7b..9a0ea0fd 100644 --- a/src/pulse/stream.c +++ b/src/pulse/stream.c @@ -38,6 +38,7 @@ #include #include +#include "fork-detect.h" #include "internal.h" #define LATENCY_IPOL_INTERVAL_USEC (333*PA_USEC_PER_MSEC) @@ -87,6 +88,7 @@ pa_stream *pa_stream_new_with_proplist( pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(c, ss && pa_sample_spec_valid(ss), PA_ERR_INVALID); PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 12 || (ss->format != PA_SAMPLE_S32LE && ss->format != PA_SAMPLE_S32BE), PA_ERR_NOTSUPPORTED); PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 15 || (ss->format != PA_SAMPLE_S24LE && ss->format != PA_SAMPLE_S24BE), PA_ERR_NOTSUPPORTED); @@ -267,6 +269,7 @@ uint32_t pa_stream_get_index(pa_stream *s) { pa_assert(s); pa_assert(PA_REFCNT_VALUE(s) >= 1); + PA_CHECK_VALIDITY_RETURN_ANY(s->context, !pa_detect_fork(), PA_ERR_FORKED, PA_INVALID_INDEX); PA_CHECK_VALIDITY_RETURN_ANY(s->context, s->state == PA_STREAM_READY, PA_ERR_BADSTATE, PA_INVALID_INDEX); return s->stream_index; @@ -921,6 +924,7 @@ static int create_stream( pa_assert(PA_REFCNT_VALUE(s) >= 1); pa_assert(direction == PA_STREAM_PLAYBACK || direction == PA_STREAM_RECORD); + PA_CHECK_VALIDITY(s->context, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY(s->context, s->state == PA_STREAM_UNCONNECTED, PA_ERR_BADSTATE); PA_CHECK_VALIDITY(s->context, s->direct_on_input == PA_INVALID_INDEX || direction == PA_STREAM_RECORD, PA_ERR_BADSTATE); PA_CHECK_VALIDITY(s->context, !(flags & ~(PA_STREAM_START_CORKED| @@ -1122,6 +1126,7 @@ int pa_stream_write( pa_assert(PA_REFCNT_VALUE(s) >= 1); pa_assert(data); + PA_CHECK_VALIDITY(s->context, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY(s->context, s->state == PA_STREAM_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY(s->context, s->direction == PA_STREAM_PLAYBACK || s->direction == PA_STREAM_UPLOAD, PA_ERR_BADSTATE); PA_CHECK_VALIDITY(s->context, seek <= PA_SEEK_RELATIVE_END, PA_ERR_INVALID); @@ -1216,6 +1221,7 @@ int pa_stream_peek(pa_stream *s, const void **data, size_t *length) { pa_assert(data); pa_assert(length); + PA_CHECK_VALIDITY(s->context, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY(s->context, s->state == PA_STREAM_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY(s->context, s->direction == PA_STREAM_RECORD, PA_ERR_BADSTATE); @@ -1240,6 +1246,7 @@ int pa_stream_drop(pa_stream *s) { pa_assert(s); pa_assert(PA_REFCNT_VALUE(s) >= 1); + PA_CHECK_VALIDITY(s->context, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY(s->context, s->state == PA_STREAM_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY(s->context, s->direction == PA_STREAM_RECORD, PA_ERR_BADSTATE); PA_CHECK_VALIDITY(s->context, s->peek_memchunk.memblock, PA_ERR_BADSTATE); @@ -1262,6 +1269,7 @@ size_t pa_stream_writable_size(pa_stream *s) { pa_assert(s); pa_assert(PA_REFCNT_VALUE(s) >= 1); + PA_CHECK_VALIDITY_RETURN_ANY(s->context, !pa_detect_fork(), PA_ERR_FORKED, (size_t) -1); PA_CHECK_VALIDITY_RETURN_ANY(s->context, s->state == PA_STREAM_READY, PA_ERR_BADSTATE, (size_t) -1); PA_CHECK_VALIDITY_RETURN_ANY(s->context, s->direction != PA_STREAM_RECORD, PA_ERR_BADSTATE, (size_t) -1); @@ -1272,6 +1280,7 @@ size_t pa_stream_readable_size(pa_stream *s) { pa_assert(s); pa_assert(PA_REFCNT_VALUE(s) >= 1); + PA_CHECK_VALIDITY_RETURN_ANY(s->context, !pa_detect_fork(), PA_ERR_FORKED, (size_t) -1); PA_CHECK_VALIDITY_RETURN_ANY(s->context, s->state == PA_STREAM_READY, PA_ERR_BADSTATE, (size_t) -1); PA_CHECK_VALIDITY_RETURN_ANY(s->context, s->direction == PA_STREAM_RECORD, PA_ERR_BADSTATE, (size_t) -1); @@ -1286,6 +1295,7 @@ pa_operation * pa_stream_drain(pa_stream *s, pa_stream_success_cb_t cb, void *us pa_assert(s); pa_assert(PA_REFCNT_VALUE(s) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(s->context, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->state == PA_STREAM_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->direction == PA_STREAM_PLAYBACK, PA_ERR_BADSTATE); @@ -1557,6 +1567,7 @@ pa_operation* pa_stream_update_timing_info(pa_stream *s, pa_stream_success_cb_t pa_assert(s); pa_assert(PA_REFCNT_VALUE(s) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(s->context, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->state == PA_STREAM_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->direction != PA_STREAM_UPLOAD, PA_ERR_BADSTATE); @@ -1627,6 +1638,7 @@ int pa_stream_disconnect(pa_stream *s) { pa_assert(s); pa_assert(PA_REFCNT_VALUE(s) >= 1); + PA_CHECK_VALIDITY(s->context, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY(s->context, s->channel_valid, PA_ERR_BADSTATE); PA_CHECK_VALIDITY(s->context, s->context->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); @@ -1649,6 +1661,9 @@ void pa_stream_set_read_callback(pa_stream *s, pa_stream_request_cb_t cb, void * pa_assert(s); pa_assert(PA_REFCNT_VALUE(s) >= 1); + if (pa_detect_fork()) + return; + if (s->state == PA_STREAM_TERMINATED || s->state == PA_STREAM_FAILED) return; @@ -1660,6 +1675,9 @@ void pa_stream_set_write_callback(pa_stream *s, pa_stream_request_cb_t cb, void pa_assert(s); pa_assert(PA_REFCNT_VALUE(s) >= 1); + if (pa_detect_fork()) + return; + if (s->state == PA_STREAM_TERMINATED || s->state == PA_STREAM_FAILED) return; @@ -1671,6 +1689,9 @@ void pa_stream_set_state_callback(pa_stream *s, pa_stream_notify_cb_t cb, void * pa_assert(s); pa_assert(PA_REFCNT_VALUE(s) >= 1); + if (pa_detect_fork()) + return; + if (s->state == PA_STREAM_TERMINATED || s->state == PA_STREAM_FAILED) return; @@ -1682,6 +1703,9 @@ void pa_stream_set_overflow_callback(pa_stream *s, pa_stream_notify_cb_t cb, voi pa_assert(s); pa_assert(PA_REFCNT_VALUE(s) >= 1); + if (pa_detect_fork()) + return; + if (s->state == PA_STREAM_TERMINATED || s->state == PA_STREAM_FAILED) return; @@ -1693,6 +1717,9 @@ void pa_stream_set_underflow_callback(pa_stream *s, pa_stream_notify_cb_t cb, vo pa_assert(s); pa_assert(PA_REFCNT_VALUE(s) >= 1); + if (pa_detect_fork()) + return; + if (s->state == PA_STREAM_TERMINATED || s->state == PA_STREAM_FAILED) return; @@ -1704,6 +1731,9 @@ void pa_stream_set_latency_update_callback(pa_stream *s, pa_stream_notify_cb_t c pa_assert(s); pa_assert(PA_REFCNT_VALUE(s) >= 1); + if (pa_detect_fork()) + return; + if (s->state == PA_STREAM_TERMINATED || s->state == PA_STREAM_FAILED) return; @@ -1715,6 +1745,9 @@ void pa_stream_set_moved_callback(pa_stream *s, pa_stream_notify_cb_t cb, void * pa_assert(s); pa_assert(PA_REFCNT_VALUE(s) >= 1); + if (pa_detect_fork()) + return; + if (s->state == PA_STREAM_TERMINATED || s->state == PA_STREAM_FAILED) return; @@ -1726,6 +1759,9 @@ void pa_stream_set_suspended_callback(pa_stream *s, pa_stream_notify_cb_t cb, vo pa_assert(s); pa_assert(PA_REFCNT_VALUE(s) >= 1); + if (pa_detect_fork()) + return; + if (s->state == PA_STREAM_TERMINATED || s->state == PA_STREAM_FAILED) return; @@ -1737,6 +1773,9 @@ void pa_stream_set_started_callback(pa_stream *s, pa_stream_notify_cb_t cb, void pa_assert(s); pa_assert(PA_REFCNT_VALUE(s) >= 1); + if (pa_detect_fork()) + return; + if (s->state == PA_STREAM_TERMINATED || s->state == PA_STREAM_FAILED) return; @@ -1748,6 +1787,9 @@ void pa_stream_set_event_callback(pa_stream *s, pa_stream_event_cb_t cb, void *u pa_assert(s); pa_assert(PA_REFCNT_VALUE(s) >= 1); + if (pa_detect_fork()) + return; + if (s->state == PA_STREAM_TERMINATED || s->state == PA_STREAM_FAILED) return; @@ -1794,6 +1836,7 @@ pa_operation* pa_stream_cork(pa_stream *s, int b, pa_stream_success_cb_t cb, voi pa_assert(s); pa_assert(PA_REFCNT_VALUE(s) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(s->context, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->state == PA_STREAM_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->direction != PA_STREAM_UPLOAD, PA_ERR_BADSTATE); @@ -1827,6 +1870,7 @@ static pa_operation* stream_send_simple_command(pa_stream *s, uint32_t command, pa_assert(s); pa_assert(PA_REFCNT_VALUE(s) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(s->context, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->state == PA_STREAM_READY, PA_ERR_BADSTATE); o = pa_operation_new(s->context, s, (pa_operation_cb_t) cb, userdata); @@ -1845,6 +1889,7 @@ pa_operation* pa_stream_flush(pa_stream *s, pa_stream_success_cb_t cb, void *use pa_assert(s); pa_assert(PA_REFCNT_VALUE(s) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(s->context, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->state == PA_STREAM_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->direction != PA_STREAM_UPLOAD, PA_ERR_BADSTATE); @@ -1877,6 +1922,7 @@ pa_operation* pa_stream_prebuf(pa_stream *s, pa_stream_success_cb_t cb, void *us pa_assert(s); pa_assert(PA_REFCNT_VALUE(s) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(s->context, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->state == PA_STREAM_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->direction == PA_STREAM_PLAYBACK, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->buffer_attr.prebuf > 0, PA_ERR_BADSTATE); @@ -1897,6 +1943,7 @@ pa_operation* pa_stream_trigger(pa_stream *s, pa_stream_success_cb_t cb, void *u pa_assert(s); pa_assert(PA_REFCNT_VALUE(s) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(s->context, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->state == PA_STREAM_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->direction == PA_STREAM_PLAYBACK, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->buffer_attr.prebuf > 0, PA_ERR_BADSTATE); @@ -1918,6 +1965,7 @@ pa_operation* pa_stream_set_name(pa_stream *s, const char *name, pa_stream_succe pa_assert(PA_REFCNT_VALUE(s) >= 1); pa_assert(name); + PA_CHECK_VALIDITY_RETURN_NULL(s->context, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->state == PA_STREAM_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->direction != PA_STREAM_UPLOAD, PA_ERR_BADSTATE); @@ -1951,6 +1999,7 @@ int pa_stream_get_time(pa_stream *s, pa_usec_t *r_usec) { pa_assert(s); pa_assert(PA_REFCNT_VALUE(s) >= 1); + PA_CHECK_VALIDITY(s->context, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY(s->context, s->state == PA_STREAM_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY(s->context, s->direction != PA_STREAM_UPLOAD, PA_ERR_BADSTATE); PA_CHECK_VALIDITY(s->context, s->timing_info_valid, PA_ERR_NODATA); @@ -2003,6 +2052,7 @@ int pa_stream_get_latency(pa_stream *s, pa_usec_t *r_usec, int *negative) { pa_assert(PA_REFCNT_VALUE(s) >= 1); pa_assert(r_usec); + PA_CHECK_VALIDITY(s->context, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY(s->context, s->state == PA_STREAM_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY(s->context, s->direction != PA_STREAM_UPLOAD, PA_ERR_BADSTATE); PA_CHECK_VALIDITY(s->context, s->timing_info_valid, PA_ERR_NODATA); @@ -2034,6 +2084,7 @@ const pa_timing_info* pa_stream_get_timing_info(pa_stream *s) { pa_assert(s); pa_assert(PA_REFCNT_VALUE(s) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(s->context, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->state == PA_STREAM_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->direction != PA_STREAM_UPLOAD, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->timing_info_valid, PA_ERR_NODATA); @@ -2045,6 +2096,8 @@ const pa_sample_spec* pa_stream_get_sample_spec(pa_stream *s) { pa_assert(s); pa_assert(PA_REFCNT_VALUE(s) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(s->context, !pa_detect_fork(), PA_ERR_FORKED); + return &s->sample_spec; } @@ -2052,6 +2105,8 @@ const pa_channel_map* pa_stream_get_channel_map(pa_stream *s) { pa_assert(s); pa_assert(PA_REFCNT_VALUE(s) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(s->context, !pa_detect_fork(), PA_ERR_FORKED); + return &s->channel_map; } @@ -2139,6 +2194,7 @@ pa_operation* pa_stream_set_buffer_attr(pa_stream *s, const pa_buffer_attr *attr pa_assert(PA_REFCNT_VALUE(s) >= 1); pa_assert(attr); + PA_CHECK_VALIDITY_RETURN_NULL(s->context, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->state == PA_STREAM_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->direction != PA_STREAM_UPLOAD, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->context->version >= 12, PA_ERR_NOTSUPPORTED); @@ -2183,6 +2239,7 @@ uint32_t pa_stream_get_device_index(pa_stream *s) { pa_assert(s); pa_assert(PA_REFCNT_VALUE(s) >= 1); + PA_CHECK_VALIDITY_RETURN_ANY(s->context, !pa_detect_fork(), PA_ERR_FORKED, PA_INVALID_INDEX); PA_CHECK_VALIDITY_RETURN_ANY(s->context, s->state == PA_STREAM_READY, PA_ERR_BADSTATE, PA_INVALID_INDEX); PA_CHECK_VALIDITY_RETURN_ANY(s->context, s->direction != PA_STREAM_UPLOAD, PA_ERR_BADSTATE, PA_INVALID_INDEX); PA_CHECK_VALIDITY_RETURN_ANY(s->context, s->context->version >= 12, PA_ERR_NOTSUPPORTED, PA_INVALID_INDEX); @@ -2195,6 +2252,7 @@ const char *pa_stream_get_device_name(pa_stream *s) { pa_assert(s); pa_assert(PA_REFCNT_VALUE(s) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(s->context, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->state == PA_STREAM_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->direction != PA_STREAM_UPLOAD, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->context->version >= 12, PA_ERR_NOTSUPPORTED); @@ -2207,6 +2265,7 @@ int pa_stream_is_suspended(pa_stream *s) { pa_assert(s); pa_assert(PA_REFCNT_VALUE(s) >= 1); + PA_CHECK_VALIDITY(s->context, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY(s->context, s->state == PA_STREAM_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY(s->context, s->direction != PA_STREAM_UPLOAD, PA_ERR_BADSTATE); PA_CHECK_VALIDITY(s->context, s->context->version >= 12, PA_ERR_NOTSUPPORTED); @@ -2218,6 +2277,7 @@ int pa_stream_is_corked(pa_stream *s) { pa_assert(s); pa_assert(PA_REFCNT_VALUE(s) >= 1); + PA_CHECK_VALIDITY(s->context, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY(s->context, s->state == PA_STREAM_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY(s->context, s->direction != PA_STREAM_UPLOAD, PA_ERR_BADSTATE); @@ -2270,6 +2330,7 @@ pa_operation *pa_stream_update_sample_rate(pa_stream *s, uint32_t rate, pa_strea pa_assert(s); pa_assert(PA_REFCNT_VALUE(s) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(s->context, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(s->context, rate > 0 && rate <= PA_RATE_MAX, PA_ERR_INVALID); PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->state == PA_STREAM_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->direction != PA_STREAM_UPLOAD, PA_ERR_BADSTATE); @@ -2300,6 +2361,7 @@ pa_operation *pa_stream_proplist_update(pa_stream *s, pa_update_mode_t mode, pa_ pa_assert(s); pa_assert(PA_REFCNT_VALUE(s) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(s->context, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(s->context, mode == PA_UPDATE_SET || mode == PA_UPDATE_MERGE || mode == PA_UPDATE_REPLACE, PA_ERR_INVALID); PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->state == PA_STREAM_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->direction != PA_STREAM_UPLOAD, PA_ERR_BADSTATE); @@ -2333,6 +2395,7 @@ pa_operation *pa_stream_proplist_remove(pa_stream *s, const char *const keys[], pa_assert(s); pa_assert(PA_REFCNT_VALUE(s) >= 1); + PA_CHECK_VALIDITY_RETURN_NULL(s->context, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY_RETURN_NULL(s->context, keys && keys[0], PA_ERR_INVALID); PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->state == PA_STREAM_READY, PA_ERR_BADSTATE); PA_CHECK_VALIDITY_RETURN_NULL(s->context, s->direction != PA_STREAM_UPLOAD, PA_ERR_BADSTATE); @@ -2364,6 +2427,7 @@ int pa_stream_set_monitor_stream(pa_stream *s, uint32_t sink_input_idx) { pa_assert(s); pa_assert(PA_REFCNT_VALUE(s) >= 1); + PA_CHECK_VALIDITY(s->context, !pa_detect_fork(), PA_ERR_FORKED); PA_CHECK_VALIDITY(s->context, sink_input_idx != PA_INVALID_INDEX, PA_ERR_INVALID); PA_CHECK_VALIDITY(s->context, s->state == PA_STREAM_UNCONNECTED, PA_ERR_BADSTATE); PA_CHECK_VALIDITY(s->context, s->context->version >= 13, PA_ERR_NOTSUPPORTED); @@ -2377,6 +2441,7 @@ uint32_t pa_stream_get_monitor_stream(pa_stream *s) { pa_assert(s); pa_assert(PA_REFCNT_VALUE(s) >= 1); + PA_CHECK_VALIDITY_RETURN_ANY(s->context, !pa_detect_fork(), PA_ERR_FORKED, PA_INVALID_INDEX); PA_CHECK_VALIDITY_RETURN_ANY(s->context, s->direct_on_input != PA_INVALID_INDEX, PA_ERR_BADSTATE, PA_INVALID_INDEX); PA_CHECK_VALIDITY_RETURN_ANY(s->context, s->context->version >= 13, PA_ERR_NOTSUPPORTED, PA_INVALID_INDEX); -- cgit v1.2.3