[PATCH v2 01/12] pulsecore: Cache daemon shm size inside pa_core

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The daemon `shm-size-bytes' configuration value was read, and then
directly used, for creating the initial server-wide SHM files.

This is fine for now, but soon, such server-wide SHMs will be replaced
with per-client SHM files that will be dynamically created and deleted
according to clients open and close. Thus, appropriately cache this
configuration value.

Signed-off-by: Ahmed S. Darwish <darwish.07 at gmail.com>
---
 src/pulsecore/core.c | 1 +
 src/pulsecore/core.h | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/src/pulsecore/core.c b/src/pulsecore/core.c
index 43fd30e..b2df7de 100644
--- a/src/pulsecore/core.c
+++ b/src/pulsecore/core.c
@@ -123,6 +123,7 @@ pa_core* pa_core_new(pa_mainloop_api *m, bool shared, size_t shm_size) {
     c->subscription_event_last = NULL;
 
     c->mempool = pool;
+    c->shm_size = shm_size;
     pa_silence_cache_init(&c->silence_cache);
 
     if (shared && !(c->rw_mempool = pa_mempool_new(shared, shm_size)))
diff --git a/src/pulsecore/core.h b/src/pulsecore/core.h
index aefc1eb..428689c 100644
--- a/src/pulsecore/core.h
+++ b/src/pulsecore/core.h
@@ -181,6 +181,11 @@ struct pa_core {
        The rw_mempool is used for data writable by both server and client (and
        can be NULL in some cases). */
     pa_mempool *mempool, *rw_mempool;
+
+    /* Shared memory size, as specified either by daemon configuration
+     * or PA daemon defaults (~ 64 MiB). */
+    size_t shm_size;
+
     pa_silence_cache silence_cache;
 
     pa_time_event *exit_event;


Regards,

-- 
Darwish
http://darwish.chasingpointers.com


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