diff options
Diffstat (limited to 'src/backend/utils/misc/ps_status.c')
| -rw-r--r-- | src/backend/utils/misc/ps_status.c | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/src/backend/utils/misc/ps_status.c b/src/backend/utils/misc/ps_status.c index 86e2f9315d6..8b3288cf5e9 100644 --- a/src/backend/utils/misc/ps_status.c +++ b/src/backend/utils/misc/ps_status.c @@ -5,7 +5,7 @@ * to contain some useful information. Mechanism differs wildly across * platforms. * - * $PostgreSQL: pgsql/src/backend/utils/misc/ps_status.c,v 1.21 2004/08/29 05:06:51 momjian Exp $ + * $PostgreSQL: pgsql/src/backend/utils/misc/ps_status.c,v 1.22 2004/12/02 22:28:22 momjian Exp $ * * Copyright (c) 2000-2004, PostgreSQL Global Development Group * various details abducted from various places @@ -65,6 +65,8 @@ extern char **environ; #define PS_USE_CHANGE_ARGV #elif defined(__linux__) || defined(_AIX) || defined(__sgi) || (defined(sun) && !defined(BSD)) || defined(ultrix) || defined(__ksr__) || defined(__osf__) || defined(__QNX__) || defined(__svr4__) || defined(__svr5__) || defined(__darwin__) #define PS_USE_CLOBBER_ARGV +#elif defined (WIN32) +#define PS_USE_WIN32 #else #define PS_USE_NONE #endif @@ -95,6 +97,28 @@ static size_t ps_buffer_fixed_size; /* size of the constant prefix */ static int save_argc; static char **save_argv; +#ifdef WIN32 + /* + * Win32 does not support showing any changed arguments. To make it + * at all possible to track which backend is doing what, we create + * a named object that can be viewed with for example Process Explorer + */ +static HANDLE ident_handle = INVALID_HANDLE_VALUE; +static void pgwin32_update_ident(char *ident) +{ + char name[PS_BUFFER_SIZE+32]; + + if (ident_handle != INVALID_HANDLE_VALUE) + CloseHandle(ident_handle); + + sprintf(name,"pgident: %s",ident); + + ident_handle = CreateEvent(NULL, + TRUE, + FALSE, + name); +} +#endif /* * Call this early in startup to save the original argc/argv values. @@ -267,6 +291,11 @@ init_ps_display(const char *username, const char *dbname, #endif ps_buffer_fixed_size = strlen(ps_buffer); + +#ifdef WIN32 + pgwin32_update_ident(ps_buffer); +#endif + #endif /* not PS_USE_NONE */ } @@ -327,6 +356,11 @@ set_ps_display(const char *activity) MemSet(ps_buffer + buflen, PS_PADDING, ps_buffer_size - buflen); } #endif /* PS_USE_CLOBBER_ARGV */ + +#ifdef WIN32 + pgwin32_update_ident(ps_buffer); +#endif + #endif /* not PS_USE_NONE */ } |