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2025-12-12 01:37:00 +00:00 · 2023-01-01 00:55:45 +00:00 · 2023-01-01 00:55:45 +00:00 · 9285191873
commit 9285191873
parent 29f3886d4d
2829 changed files with 826623 additions and 0 deletions
--- a/dep/acelite/ace/Sbrk_Memory_Pool.cpp
+++ b/dep/acelite/ace/Sbrk_Memory_Pool.cpp
@ -0,0 +1,124 @@
+// $Id: Sbrk_Memory_Pool.cpp 96985 2013-04-11 15:50:32Z huangh $
+
+#include "ace/OS_NS_unistd.h"
+#include "ace/Sbrk_Memory_Pool.h"
+#include "ace/Log_Category.h"
+
+
+
+#if !defined (ACE_LACKS_SBRK)
+
+ACE_BEGIN_VERSIONED_NAMESPACE_DECL
+
+ACE_ALLOC_HOOK_DEFINE(ACE_Sbrk_Memory_Pool)
+
+// Ask system for more local memory via sbrk(2).
+
+void *
+ACE_Sbrk_Memory_Pool::acquire (size_t nbytes,
+                               size_t &rounded_bytes)
+{
+  ACE_TRACE ("ACE_Sbrk_Memory_Pool::acquire");
+  rounded_bytes = this->round_up (nbytes);
+  // ACELIB_DEBUG ((LM_DEBUG,  ACE_TEXT ("(%P|%t) acquiring more chunks, nbytes = %d, rounded_bytes = %d\n"), nbytes, rounded_bytes));
+  void *cp = ACE_OS::sbrk (rounded_bytes);
+
+  if (cp == MAP_FAILED)
+    ACELIB_ERROR_RETURN ((LM_ERROR,
+                       "(%P|%t) cp = %u\n",
+                       cp),
+                      0);
+  else
+    // ACELIB_DEBUG ((LM_DEBUG,  ACE_TEXT ("(%P|%t) acquired more chunks, nbytes = %d, rounded_bytes = %d, new break = %u\n"), nbytes, rounded_bytes, cp));
+  return cp;
+}
+
+/* No-op for now... */
+
+int
+ACE_Sbrk_Memory_Pool::release (int)
+{
+  ACE_TRACE ("ACE_Sbrk_Memory_Pool::release");
+  return 0;
+}
+
+int
+ACE_Sbrk_Memory_Pool::sync (ssize_t, int)
+{
+  ACE_TRACE ("ACE_Sbrk_Memory_Pool::sync");
+  return 0;
+}
+
+int
+ACE_Sbrk_Memory_Pool::sync (void *, size_t, int)
+{
+  ACE_TRACE ("ACE_Sbrk_Memory_Pool::sync");
+  return 0;
+}
+
+int
+ACE_Sbrk_Memory_Pool::protect (ssize_t, int)
+{
+  ACE_TRACE ("ACE_Sbrk_Memory_Pool::protect");
+  return 0;
+}
+
+int
+ACE_Sbrk_Memory_Pool::protect (void *, size_t, int)
+{
+  ACE_TRACE ("ACE_Sbrk_Memory_Pool::protect");
+  return 0;
+}
+
+// Ask system for initial chunk of local memory.
+
+void *
+ACE_Sbrk_Memory_Pool::init_acquire (size_t nbytes,
+                                    size_t &rounded_bytes,
+                                    int &first_time)
+{
+  ACE_TRACE ("ACE_Sbrk_Memory_Pool::init_acquire");
+  // Note that we assume that when ACE_Sbrk_Memory_Pool is used,
+  // ACE_Malloc's constructor will only get called once.  If this
+  // assumption doesn't hold, we are in deep trouble!
+
+  first_time = 1;
+  return this->acquire (nbytes, rounded_bytes);
+}
+
+void
+ACE_Sbrk_Memory_Pool::dump (void) const
+{
+#if defined (ACE_HAS_DUMP)
+  ACE_TRACE ("ACE_Sbrk_Memory_Pool::dump");
+#endif /* ACE_HAS_DUMP */
+}
+
+ACE_Sbrk_Memory_Pool::ACE_Sbrk_Memory_Pool (const ACE_TCHAR *,
+                                            const OPTIONS *)
+{
+  ACE_TRACE ("ACE_Sbrk_Memory_Pool::ACE_Sbrk_Memory_Pool");
+}
+
+ACE_Sbrk_Memory_Pool::~ACE_Sbrk_Memory_Pool (void)
+{
+}
+
+void *
+ACE_Sbrk_Memory_Pool::base_addr (void) const
+{
+  return 0;
+}
+
+// Round up the request to a multiple of the page size.
+
+size_t
+ACE_Sbrk_Memory_Pool::round_up (size_t nbytes)
+{
+  ACE_TRACE ("ACE_Sbrk_Memory_Pool::round_up");
+  return ACE::round_to_pagesize (nbytes);
+}
+
+ACE_END_VERSIONED_NAMESPACE_DECL
+
+#endif /* !ACE_LACKS_SBRK */