| Server IP : 85.214.239.14 / Your IP : 52.14.140.108 Web Server : Apache/2.4.62 (Debian) System : Linux h2886529.stratoserver.net 4.9.0 #1 SMP Tue Jan 9 19:45:01 MSK 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.18 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, MySQL : OFF | cURL : OFF | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : OFF Directory : /proc/2/root/proc/3/root/proc/2/task/2/root/usr/include/postgresql/9.6/server/storage/ |
Upload File : |
/*------------------------------------------------------------------------- * * buf.h * Basic buffer manager data types. * * * Portions Copyright (c) 1996-2016, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * * src/include/storage/buf.h * *------------------------------------------------------------------------- */ #ifndef BUF_H #define BUF_H /* * Buffer identifiers. * * Zero is invalid, positive is the index of a shared buffer (1..NBuffers), * negative is the index of a local buffer (-1 .. -NLocBuffer). */ typedef int Buffer; #define InvalidBuffer 0 /* * BufferIsInvalid * True iff the buffer is invalid. */ #define BufferIsInvalid(buffer) ((buffer) == InvalidBuffer) /* * BufferIsLocal * True iff the buffer is local (not visible to other backends). */ #define BufferIsLocal(buffer) ((buffer) < 0) /* * Buffer access strategy objects. * * BufferAccessStrategyData is private to freelist.c */ typedef struct BufferAccessStrategyData *BufferAccessStrategy; #endif /* BUF_H */