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authorLennart Poettering <lennart@poettering.net>2008-10-01 01:14:36 +0200
committerLennart Poettering <lennart@poettering.net>2008-10-01 01:14:36 +0200
commit79ad4e63f691d1280dde2eb6521a1572c78d03ce (patch)
tree65670a8d2e354a4ac38644a7aef5cd194a43a8c3 /src/daemon
parenta84b72bf96745702ba59c678a973edc7504ee50e (diff)
Make the shared memory segment size configurable
This is useful only on systems where memory overcommit is not available or disabled.
Diffstat (limited to 'src/daemon')
-rw-r--r--src/daemon/daemon-conf.c36
-rw-r--r--src/daemon/daemon-conf.h1
-rw-r--r--src/daemon/daemon.conf.in1
-rw-r--r--src/daemon/main.c2
4 files changed, 23 insertions, 17 deletions
diff --git a/src/daemon/daemon-conf.c b/src/daemon/daemon-conf.c
index 77da3f7e..939b25d7 100644
--- a/src/daemon/daemon-conf.c
+++ b/src/daemon/daemon-conf.c
@@ -84,7 +84,8 @@ static const pa_daemon_conf default_conf = {
.disable_shm = FALSE,
.default_n_fragments = 4,
.default_fragment_size_msec = 25,
- .default_sample_spec = { .format = PA_SAMPLE_S16NE, .rate = 44100, .channels = 2 }
+ .default_sample_spec = { .format = PA_SAMPLE_S16NE, .rate = 44100, .channels = 2 },
+ .shm_size = 0
#ifdef HAVE_SYS_RESOURCE_H
,.rlimit_fsize = { .value = 0, .is_set = FALSE },
.rlimit_data = { .value = 0, .is_set = FALSE },
@@ -429,6 +430,7 @@ int pa_daemon_conf_load(pa_daemon_conf *c, const char *filename) {
{ "disable-remixing", pa_config_parse_bool, NULL },
{ "disable-lfe-remixing", pa_config_parse_bool, NULL },
{ "load-default-script-file", pa_config_parse_bool, NULL },
+ { "shm-size-bytes", pa_config_parse_size, NULL },
#ifdef HAVE_SYS_RESOURCE_H
{ "rlimit-fsize", parse_rlimit, NULL },
{ "rlimit-data", parse_rlimit, NULL },
@@ -494,65 +496,66 @@ int pa_daemon_conf_load(pa_daemon_conf *c, const char *filename) {
table[26].data = &c->disable_remixing;
table[27].data = &c->disable_lfe_remixing;
table[28].data = &c->load_default_script_file;
+ table[29].data = &c->shm_size;
#ifdef HAVE_SYS_RESOURCE_H
- table[29].data = &c->rlimit_fsize;
- table[30].data = &c->rlimit_data;
- table[31].data = &c->rlimit_stack;
- table[32].data = &c->rlimit_as;
- table[33].data = &c->rlimit_core;
- table[34].data = &c->rlimit_nofile;
- table[35].data = &c->rlimit_as;
+ table[30].data = &c->rlimit_fsize;
+ table[31].data = &c->rlimit_data;
+ table[32].data = &c->rlimit_stack;
+ table[33].data = &c->rlimit_as;
+ table[34].data = &c->rlimit_core;
+ table[35].data = &c->rlimit_nofile;
+ table[36].data = &c->rlimit_as;
#ifdef RLIMIT_NPROC
- table[36].data = &c->rlimit_nproc;
+ table[37].data = &c->rlimit_nproc;
#endif
#ifdef RLIMIT_MEMLOCK
#ifndef RLIMIT_NPROC
#error "Houston, we have a numbering problem!"
#endif
- table[37].data = &c->rlimit_memlock;
+ table[38].data = &c->rlimit_memlock;
#endif
#ifdef RLIMIT_LOCKS
#ifndef RLIMIT_MEMLOCK
#error "Houston, we have a numbering problem!"
#endif
- table[38].data = &c->rlimit_locks;
+ table[39].data = &c->rlimit_locks;
#endif
#ifdef RLIMIT_SIGPENDING
#ifndef RLIMIT_LOCKS
#error "Houston, we have a numbering problem!"
#endif
- table[39].data = &c->rlimit_sigpending;
+ table[40].data = &c->rlimit_sigpending;
#endif
#ifdef RLIMIT_MSGQUEUE
#ifndef RLIMIT_SIGPENDING
#error "Houston, we have a numbering problem!"
#endif
- table[40].data = &c->rlimit_msgqueue;
+ table[41].data = &c->rlimit_msgqueue;
#endif
#ifdef RLIMIT_NICE
#ifndef RLIMIT_MSGQUEUE
#error "Houston, we have a numbering problem!"
#endif
- table[41].data = &c->rlimit_nice;
+ table[42].data = &c->rlimit_nice;
#endif
#ifdef RLIMIT_RTPRIO
#ifndef RLIMIT_NICE
#error "Houston, we have a numbering problem!"
#endif
- table[42].data = &c->rlimit_rtprio;
+ table[43].data = &c->rlimit_rtprio;
#endif
#ifdef RLIMIT_RTTIME
#ifndef RLIMIT_RTTIME
#error "Houston, we have a numbering problem!"
#endif
- table[43].data = &c->rlimit_rttime;
+ table[44].data = &c->rlimit_rttime;
#endif
#endif
@@ -670,6 +673,7 @@ char *pa_daemon_conf_dump(pa_daemon_conf *c) {
pa_strbuf_printf(s, "default-sample-channels = %u\n", c->default_sample_spec.channels);
pa_strbuf_printf(s, "default-fragments = %u\n", c->default_n_fragments);
pa_strbuf_printf(s, "default-fragment-size-msec = %u\n", c->default_fragment_size_msec);
+ pa_strbuf_printf(s, "shm-size-bytes = %lu\n", (unsigned long) c->shm_size);
#ifdef HAVE_SYS_RESOURCE_H
pa_strbuf_printf(s, "rlimit-fsize = %li\n", c->rlimit_fsize.is_set ? (long int) c->rlimit_fsize.value : -1);
pa_strbuf_printf(s, "rlimit-data = %li\n", c->rlimit_data.is_set ? (long int) c->rlimit_data.value : -1);
diff --git a/src/daemon/daemon-conf.h b/src/daemon/daemon-conf.h
index 309a1428..90329268 100644
--- a/src/daemon/daemon-conf.h
+++ b/src/daemon/daemon-conf.h
@@ -111,6 +111,7 @@ typedef struct pa_daemon_conf {
unsigned default_n_fragments, default_fragment_size_msec;
pa_sample_spec default_sample_spec;
+ size_t shm_size;
} pa_daemon_conf;
/* Allocate a new structure and fill it with sane defaults */
diff --git a/src/daemon/daemon.conf.in b/src/daemon/daemon.conf.in
index ea09fe09..4362e1c1 100644
--- a/src/daemon/daemon.conf.in
+++ b/src/daemon/daemon.conf.in
@@ -26,6 +26,7 @@
; use-pid-file = yes
; system-instance = no
; disable-shm = no
+; shm-size-bytes = 0 # setting this 0 will use the system-default, usually 64 MiB
; high-priority = yes
; nice-level = -11
diff --git a/src/daemon/main.c b/src/daemon/main.c
index a9e8ed46..53f5d193 100644
--- a/src/daemon/main.c
+++ b/src/daemon/main.c
@@ -854,7 +854,7 @@ int main(int argc, char *argv[]) {
pa_assert_se(mainloop = pa_mainloop_new());
- if (!(c = pa_core_new(pa_mainloop_get_api(mainloop), !conf->disable_shm))) {
+ if (!(c = pa_core_new(pa_mainloop_get_api(mainloop), !conf->disable_shm, conf->shm_size))) {
pa_log(_("pa_core_new() failed."));
goto finish;
}