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Make the shared memory segment size configurable

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This is useful only on systems where memory overcommit is not available
or disabled.
This commit is contained in:
Lennart Poettering 2008-10-01 01:14:36 +02:00
parent a84b72bf96
commit 79ad4e63f6
23 changed files with 99 additions and 37 deletions
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36
src/daemon/daemon-conf.c
View file

@ -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);