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Minor code cleanup: make the WIN32 case less gratuitously different from

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the other platform-specific cases in ps_status.
This commit is contained in:
Tom Lane 2006-06-12 02:39:49 +00:00
parent e2e2a9db4c
commit e71e02d926
1 changed files with 24 additions and 33 deletions
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57
src/backend/utils/misc/ps_status.c
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@ -5,7 +5,7 @@
* to contain some useful information. Mechanism differs wildly across
* platforms.
*
* $PostgreSQL: pgsql/src/backend/utils/misc/ps_status.c,v 1.29 2006/03/05 15:58:49 momjian Exp $
* $PostgreSQL: pgsql/src/backend/utils/misc/ps_status.c,v 1.30 2006/06/12 02:39:49 tgl Exp $
*
* Copyright (c) 2000-2006, PostgreSQL Global Development Group
* various details abducted from various places
@ -33,7 +33,7 @@
extern char **environ;
/*------
/*
* Alternative ways of updating ps display:
*
* PS_USE_SETPROCTITLE
@ -51,6 +51,8 @@ extern char **environ;
* PS_USE_CLOBBER_ARGV
* write over the argv and environment area
* (most SysV-like systems)
* PS_USE_WIN32
* push the string out as the name of a Windows event
* PS_USE_NONE
* don't update ps display
* (This is the default, as it is safest.)
@ -65,7 +67,7 @@ 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(__svr4__) || defined(__svr5__) || defined(__darwin__)
#define PS_USE_CLOBBER_ARGV
#elif defined (WIN32)
#elif defined(WIN32)
#define PS_USE_WIN32
#else
#define PS_USE_NONE
@ -96,30 +98,6 @@ 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.
@ -292,9 +270,6 @@ init_ps_display(const char *username, const char *dbname,
ps_buffer_fixed_size = strlen(ps_buffer);
#ifdef WIN32
pgwin32_update_ident(ps_buffer);
#endif
#endif /* not PS_USE_NONE */
}
@ -352,9 +327,25 @@ set_ps_display(const char *activity)
}
#endif /* PS_USE_CLOBBER_ARGV */
#ifdef WIN32
pgwin32_update_ident(ps_buffer);
#endif
#ifdef PS_USE_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;
char name[PS_BUFFER_SIZE + 32];
if (ident_handle != INVALID_HANDLE_VALUE)
CloseHandle(ident_handle);
sprintf(name, "pgident: %s", ps_buffer);
ident_handle = CreateEvent(NULL, TRUE, FALSE, name);
}
#endif /* PS_USE_WIN32 */
#endif /* not PS_USE_NONE */
}