diff options
Diffstat (limited to 'src/include/miscadmin.h')
| -rw-r--r-- | src/include/miscadmin.h | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/src/include/miscadmin.h b/src/include/miscadmin.h index 382a5deced4..aa8cce5ca81 100644 --- a/src/include/miscadmin.h +++ b/src/include/miscadmin.h @@ -348,11 +348,35 @@ extern PGDLLIMPORT bool process_shared_preload_libraries_in_progress; extern char *shared_preload_libraries_string; extern char *local_preload_libraries_string; -#define LOCK_FILE_LINES 7 +/* + * As of 9.1, the contents of the data-directory lock file are: + * + * line # + * 1 postmaster PID (or negative of a standalone backend's PID) + * 2 data directory path + * 3 postmaster start timestamp (time_t representation) + * 4 port number + * 5 socket directory path (empty on Windows) + * 6 first listen_address (IP address or "*"; empty if no TCP port) + * 7 shared memory key (not present on Windows) + * + * Lines 6 and up are added via AddToDataDirLockFile() after initial file + * creation; they have to be ordered according to time of addition. + * + * The socket lock file, if used, has the same contents as lines 1-5. + */ +#define LOCK_FILE_LINE_PID 1 +#define LOCK_FILE_LINE_DATA_DIR 2 +#define LOCK_FILE_LINE_START_TIME 3 +#define LOCK_FILE_LINE_PORT 4 +#define LOCK_FILE_LINE_SOCKET_DIR 5 +#define LOCK_FILE_LINE_LISTEN_ADDR 6 +#define LOCK_FILE_LINE_SHMEM_KEY 7 + extern void CreateDataDirLockFile(bool amPostmaster); extern void CreateSocketLockFile(const char *socketfile, bool amPostmaster); extern void TouchSocketLockFile(void); -extern void AddToLockFile(int target_line, const char *str); +extern void AddToDataDirLockFile(int target_line, const char *str); extern void ValidatePgVersion(const char *path); extern void process_shared_preload_libraries(void); extern void process_local_preload_libraries(void); |