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core: Replace PA_PAGE_SIZE with pa_page_size()

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PA_PAGE_SIZE using sysconf() may return a negative number

CID 1137925, CID 1137926, CID 1138485

instead of calling sysconf() directly, add function pa_page_size()
which uses the guestimate 4096 in case sysconf(_SC_PAGE_SIZE) fails

using PA_ONCE to only evaluate sysconf() once
This commit is contained in:
Peter Meerwald-Stadler 2016-08-18 01:06:47 +02:00
parent c99efbffd6
commit 45d9030638
10 changed files with 55 additions and 38 deletions
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2
src/pulsecore/sink-input.c
View file

@ -44,7 +44,7 @@
/* #define SINK_INPUT_DEBUG */
#define MEMBLOCKQ_MAXLENGTH (32*1024*1024)
#define CONVERT_BUFFER_LENGTH (PA_PAGE_SIZE)
#define CONVERT_BUFFER_LENGTH (pa_page_size())
PA_DEFINE_PUBLIC_CLASS(pa_sink_input, pa_msgobject);