Function ink_event_system_init

src/iocore/eventsystem/EventSystem.cc:35–67

#include "records/RecCore.h"

void
ink_event_system_init(ts::ModuleVersion v)
{
  ink_release_assert(v.check(EVENT_SYSTEM_MODULE_INTERNAL_VERSION));
  int iobuffer_advice = 0;

  // For backwards compatibility make sure to allow thread_freelist_size
  // This needs to change in 6.0
  REC_EstablishStaticConfigInt32(thread_freelist_high_watermark, "proxy.config.allocator.thread_freelist_size");

  REC_EstablishStaticConfigInt32(thread_freelist_low_watermark, "proxy.config.allocator.thread_freelist_low_watermark");

  int   chunk_sizes[DEFAULT_BUFFER_SIZES] = {0};
  char *chunk_sizes_string                = REC_ConfigReadString("proxy.config.allocator.iobuf_chunk_sizes");
  if (chunk_sizes_string && !parse_buffer_chunk_sizes(chunk_sizes_string, chunk_sizes)) {
    // If we can't parse the string then we can't be sure of the chunk sizes so just exit
    Fatal("Failed to parse proxy.config.allocator.iobuf_chunk_sizes");
  }
  ats_free(chunk_sizes_string);

  bool use_hugepages = ats_hugepage_enabled();

#ifdef MADV_DONTDUMP // This should only exist on Linux 3.4 and higher.
  RecBool dont_dump_enabled = true;
  RecGetRecordBool("proxy.config.allocator.dontdump_iobuffers", &dont_dump_enabled, false);

  if (dont_dump_enabled) {
    iobuffer_advice |= MADV_DONTDUMP;
  }
#endif

  init_buffer_allocators(iobuffer_advice, chunk_sizes, use_hugepages);
}