summaryrefslogtreecommitdiff
path: root/indra/llcommon/llapr.h
diff options
context:
space:
mode:
authorBrad Payne (Vir Linden) <vir@lindenlab.com>2011-09-06 09:42:11 -0400
committerBrad Payne (Vir Linden) <vir@lindenlab.com>2011-09-06 09:42:11 -0400
commit08c0de785f29801c57feebce8fae593f86113777 (patch)
tree6661b84ca6540f0907b4321f6e49a88be75c2e98 /indra/llcommon/llapr.h
parent76f867c8913094573bfa278fc39907d6b0779ec5 (diff)
parent0ab6eee0996c78d32b722157140cea5a21a5e460 (diff)
merge
Diffstat (limited to 'indra/llcommon/llapr.h')
-rw-r--r--indra/llcommon/llapr.h107
1 files changed, 20 insertions, 87 deletions
diff --git a/indra/llcommon/llapr.h b/indra/llcommon/llapr.h
index af33ce666f..3f846f1314 100644
--- a/indra/llcommon/llapr.h
+++ b/indra/llcommon/llapr.h
@@ -50,71 +50,9 @@
#include "apr_atomic.h"
#include "llstring.h"
-extern LL_COMMON_API apr_thread_mutex_t* gLogMutexp;
-extern apr_thread_mutex_t* gCallStacksLogMutexp;
-
struct apr_dso_handle_t;
-
-/**
- * @brief initialize the common apr constructs -- apr itself, the
- * global pool, and a mutex.
- */
-void LL_COMMON_API ll_init_apr();
-
-/**
- * @brief Cleanup those common apr constructs.
- */
-void LL_COMMON_API ll_cleanup_apr();
-
-//
-//LL apr_pool
-//manage apr_pool_t, destroy allocated apr_pool in the destruction function.
-//
-class LL_COMMON_API LLAPRPool
-{
-public:
- LLAPRPool(apr_pool_t *parent = NULL, apr_size_t size = 0, BOOL releasePoolFlag = TRUE) ;
- virtual ~LLAPRPool() ;
-
- virtual apr_pool_t* getAPRPool() ;
- apr_status_t getStatus() {return mStatus ; }
-
-protected:
- void releaseAPRPool() ;
- void createAPRPool() ;
-
-protected:
- apr_pool_t* mPool ; //pointing to an apr_pool
- apr_pool_t* mParent ; //parent pool
- apr_size_t mMaxSize ; //max size of mPool, mPool should return memory to system if allocated memory beyond this limit. However it seems not to work.
- apr_status_t mStatus ; //status when creating the pool
- BOOL mReleasePoolFlag ; //if set, mPool is destroyed when LLAPRPool is deleted. default value is true.
-};
-
-//
-//volatile LL apr_pool
-//which clears memory automatically.
-//so it can not hold static data or data after memory is cleared
-//
-class LL_COMMON_API LLVolatileAPRPool : public LLAPRPool
-{
-public:
- LLVolatileAPRPool(BOOL is_local = TRUE, apr_pool_t *parent = NULL, apr_size_t size = 0, BOOL releasePoolFlag = TRUE);
- virtual ~LLVolatileAPRPool();
-
- /*virtual*/ apr_pool_t* getAPRPool() ; //define this virtual function to avoid any mistakenly calling LLAPRPool::getAPRPool().
- apr_pool_t* getVolatileAPRPool() ;
- void clearVolatileAPRPool() ;
-
- BOOL isFull() ;
-
-private:
- S32 mNumActiveRef ; //number of active pointers pointing to the apr_pool.
- S32 mNumTotalRef ; //number of total pointers pointing to the apr_pool since last creating.
-
- apr_thread_mutex_t *mMutexp;
- apr_pool_t *mMutexPool;
-} ;
+class LLAPRPool;
+class LLVolatileAPRPool;
/**
* @class LLScopedLock
@@ -205,15 +143,20 @@ class LL_COMMON_API LLAPRFile : boost::noncopyable
// make this non copyable since a copy closes the file
private:
apr_file_t* mFile ;
- LLVolatileAPRPool *mCurrentFilePoolp ; //currently in use apr_pool, could be one of them: sAPRFilePoolp, or a temp pool.
+ LLVolatileAPRPool* mVolatileFilePoolp; // (Thread local) APR pool currently in use.
+ LLAPRPool* mRegularFilePoolp; // ...or a regular pool.
public:
+ enum access_t {
+ long_lived, // Use a global pool for long-lived file accesses.
+ short_lived // Use a volatile pool for short-lived file accesses.
+ };
+
LLAPRFile() ;
- LLAPRFile(const std::string& filename, apr_int32_t flags, LLVolatileAPRPool* pool = NULL);
+ LLAPRFile(std::string const& filename, apr_int32_t flags, S32* sizep = NULL, access_t access_type = short_lived);
~LLAPRFile() ;
-
- apr_status_t open(const std::string& filename, apr_int32_t flags, LLVolatileAPRPool* pool = NULL, S32* sizep = NULL);
- apr_status_t open(const std::string& filename, apr_int32_t flags, BOOL use_global_pool); //use gAPRPoolp.
+
+ apr_status_t open(const std::string& filename, apr_int32_t flags, access_t access_type, S32* sizep = NULL);
apr_status_t close() ;
// Returns actual offset, -1 if seek fails
@@ -226,32 +169,24 @@ public:
apr_file_t* getFileHandle() {return mFile;}
-private:
- apr_pool_t* getAPRFilePool(apr_pool_t* pool) ;
-
//
//*******************************************************************************************************************************
//static components
//
-public:
- static LLVolatileAPRPool *sAPRFilePoolp ; //a global apr_pool for APRFile, which is used only when local pool does not exist.
-
private:
- static apr_file_t* open(const std::string& filename, LLVolatileAPRPool* pool, apr_int32_t flags);
- static apr_status_t close(apr_file_t* file, LLVolatileAPRPool* pool) ;
static S32 seek(apr_file_t* file, apr_seek_where_t where, S32 offset);
public:
// returns false if failure:
- static bool remove(const std::string& filename, LLVolatileAPRPool* pool = NULL);
- static bool rename(const std::string& filename, const std::string& newname, LLVolatileAPRPool* pool = NULL);
- static bool isExist(const std::string& filename, LLVolatileAPRPool* pool = NULL, apr_int32_t flags = APR_READ);
- static S32 size(const std::string& filename, LLVolatileAPRPool* pool = NULL);
- static bool makeDir(const std::string& dirname, LLVolatileAPRPool* pool = NULL);
- static bool removeDir(const std::string& dirname, LLVolatileAPRPool* pool = NULL);
+ static bool remove(const std::string& filename);
+ static bool rename(const std::string& filename, const std::string& newname);
+ static bool isExist(const std::string& filename, apr_int32_t flags = APR_READ);
+ static S32 size(const std::string& filename);
+ static bool makeDir(const std::string& dirname);
+ static bool removeDir(const std::string& dirname);
// Returns bytes read/written, 0 if read/write fails:
- static S32 readEx(const std::string& filename, void *buf, S32 offset, S32 nbytes, LLVolatileAPRPool* pool = NULL);
- static S32 writeEx(const std::string& filename, void *buf, S32 offset, S32 nbytes, LLVolatileAPRPool* pool = NULL); // offset<0 means append
+ static S32 readEx(const std::string& filename, void *buf, S32 offset, S32 nbytes);
+ static S32 writeEx(const std::string& filename, void *buf, S32 offset, S32 nbytes); // offset<0 means append
//*******************************************************************************************************************************
};
@@ -267,6 +202,4 @@ bool LL_COMMON_API ll_apr_warn_status(apr_status_t status, apr_dso_handle_t* han
void LL_COMMON_API ll_apr_assert_status(apr_status_t status);
void LL_COMMON_API ll_apr_assert_status(apr_status_t status, apr_dso_handle_t* handle);
-extern "C" LL_COMMON_API apr_pool_t* gAPRPoolp; // Global APR memory pool
-
#endif // LL_LLAPR_H