diff options
Diffstat (limited to 'ACE/ace/MMAP_Memory_Pool.h')
| -rw-r--r-- | ACE/ace/MMAP_Memory_Pool.h | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/ACE/ace/MMAP_Memory_Pool.h b/ACE/ace/MMAP_Memory_Pool.h index ede22814183..912b86c5ba1 100644 --- a/ACE/ace/MMAP_Memory_Pool.h +++ b/ACE/ace/MMAP_Memory_Pool.h @@ -63,16 +63,17 @@ public: NEVER_FIXED = 2 }; - // = Initialization method. + /// Constructor ACE_MMAP_Memory_Pool_Options (const void *base_addr = ACE_DEFAULT_BASE_ADDR, int use_fixed_addr = ALWAYS_FIXED, - int write_each_page = 1, + bool write_each_page = true, size_t minimum_bytes = 0, u_int flags = 0, - int guess_on_fault = 1, + bool guess_on_fault = true, LPSECURITY_ATTRIBUTES sa = 0, mode_t file_mode = ACE_DEFAULT_FILE_PERMS, - bool unique_ = false); + bool unique_ = false, + bool install_signal_handler = true); /// Base address of the memory-mapped backing store. const void *base_addr_; @@ -93,7 +94,7 @@ public: /// Should each page be written eagerly to avoid surprises later /// on? - int write_each_page_; + bool write_each_page_; /// What the minimim bytes of the initial segment should be. size_t minimum_bytes_; @@ -117,6 +118,9 @@ public: /// Do we want an unique backing store name? bool unique_; + /// Should we install a signal handler + bool install_signal_handler_; + private: // Prevent copying ACE_MMAP_Memory_Pool_Options (const ACE_MMAP_Memory_Pool_Options &); @@ -238,12 +242,16 @@ protected: /// Memory map the file up to @a map_size bytes. virtual int map_file (size_t map_size); +#if !defined (ACE_WIN32) /// Handle SIGSEGV and SIGBUS signals to remap shared memory /// properly. virtual int handle_signal (int signum, siginfo_t *, ucontext_t *); +#endif +#if !defined (ACE_WIN32) /// Handles SIGSEGV. ACE_Sig_Handler signal_handler_; +#endif /// Memory-mapping object. ACE_Mem_Map mmap_; @@ -263,7 +271,7 @@ protected: /// Should we write a byte to each page to forceably allocate memory /// for this backing store? - int write_each_page_; + bool write_each_page_; /// What the minimum bytes of the initial segment should be. size_t minimum_bytes_; @@ -283,6 +291,9 @@ protected: /// Protection mode for mmaped file. mode_t file_mode_; + + /// Should we install a signal handler + bool install_signal_handler_; }; /** |