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Diffstat (limited to 'src/backend/utils/misc/ps_status.c')
-rw-r--r--src/backend/utils/misc/ps_status.c170
1 files changed, 88 insertions, 82 deletions
diff --git a/src/backend/utils/misc/ps_status.c b/src/backend/utils/misc/ps_status.c
index a977ee11ed4..4eb49fbeb64 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. Differs wildly across
* platforms.
*
- * $Header: /cvsroot/pgsql/src/backend/utils/misc/ps_status.c,v 1.3 2001/03/20 22:31:54 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/misc/ps_status.c,v 1.4 2001/03/22 04:00:06 momjian Exp $
*
* Copyright 2000 by PostgreSQL Global Development Group
* various details abducted from various places
@@ -18,11 +18,11 @@
#ifdef HAVE_SYS_PSTAT_H
-# include <sys/pstat.h> /* for HP-UX */
+#include <sys/pstat.h> /* for HP-UX */
#endif
#ifdef HAVE_PS_STRINGS
-# include <machine/vmparam.h> /* for old BSD */
-# include <sys/exec.h>
+#include <machine/vmparam.h> /* for old BSD */
+#include <sys/exec.h>
#endif
#include "miscadmin.h"
@@ -36,44 +36,44 @@ extern char **environ;
* Alternative ways of updating ps display:
*
* PS_USE_SETPROCTITLE
- * use the function setproctitle(const char *, ...)
- * (newer BSD systems)
+ * use the function setproctitle(const char *, ...)
+ * (newer BSD systems)
* PS_USE_PSTAT
- * use the pstat(PSTAT_SETCMD, )
- * (HPUX)
+ * use the pstat(PSTAT_SETCMD, )
+ * (HPUX)
* PS_USE_PS_STRINGS
- * assign PS_STRINGS->ps_argvstr = "string"
- * (some BSD systems)
+ * assign PS_STRINGS->ps_argvstr = "string"
+ * (some BSD systems)
* PS_USE_CHANGE_ARGV
- * assign argv[0] = "string"
- * (some other BSD systems)
+ * assign argv[0] = "string"
+ * (some other BSD systems)
* PS_USE_CLOBBER_ARGV
- * write over the argv and environment area
- * (most SysV-like systems)
+ * write over the argv and environment area
+ * (most SysV-like systems)
* PS_USE_NONE
- * don't update ps display
- * (This is the default, as it is safest.)
+ * don't update ps display
+ * (This is the default, as it is safest.)
*/
#if defined(HAVE_SETPROCTITLE)
-# define PS_USE_SETPROCTITLE
+#define PS_USE_SETPROCTITLE
#elif defined(HAVE_PSTAT) && defined(PSTAT_SETCMD)
-# define PS_USE_PSTAT
+#define PS_USE_PSTAT
#elif defined(HAVE_PS_STRINGS)
-# define PS_USE_PS_STRINGS
+#define PS_USE_PS_STRINGS
#elif defined(BSD) || defined(__bsdi__) || defined(__hurd__)
-# define PS_USE_CHANGE_ARGV
+#define PS_USE_CHANGE_ARGV
#elif defined(__linux__) || defined(_AIX4) || defined(_AIX3) || defined(__sgi) || (defined(sun) && !defined(BSD)) || defined(ultrix) || defined(__ksr__) || defined(__osf__) || defined(__QNX__) || defined(__svr4__) || defined(__svr5__)
-# define PS_USE_CLOBBER_ARGV
+#define PS_USE_CLOBBER_ARGV
#else
-# define PS_USE_NONE
+#define PS_USE_NONE
#endif
/* Different systems want the buffer padded differently */
#if defined(_AIX3) || defined(__linux__) || defined(__QNX__) || defined(__svr4__)
-# define PS_PADDING '\0'
+#define PS_PADDING '\0'
#else
-# define PS_PADDING ' '
+#define PS_PADDING ' '
#endif
@@ -83,12 +83,13 @@ extern char **environ;
static char ps_buffer[PS_BUFFER_SIZE];
static const size_t ps_buffer_size = PS_BUFFER_SIZE;
-#else /* PS_USE_CLOBBER_ARGV */
-static char * ps_buffer; /* will point to argv area */
-static size_t ps_buffer_size; /* space determined at run time */
-#endif /* PS_USE_CLOBBER_ARGV */
+#else /* PS_USE_CLOBBER_ARGV */
+static char *ps_buffer; /* will point to argv area */
+static size_t ps_buffer_size; /* space determined at run time */
-static size_t ps_buffer_fixed_size; /* size of the constant prefix */
+#endif /* PS_USE_CLOBBER_ARGV */
+
+static size_t ps_buffer_fixed_size; /* size of the constant prefix */
@@ -97,30 +98,31 @@ static size_t ps_buffer_fixed_size; /* size of the constant prefix */
*/
void
init_ps_display(int argc, char *argv[],
- const char * username, const char * dbname,
- const char * host_info)
+ const char *username, const char *dbname,
+ const char *host_info)
{
#ifndef PS_USE_NONE
- Assert(username);
- Assert(dbname);
+ Assert(username);
+ Assert(dbname);
/* no ps display for stand-alone backend */
- if (!IsUnderPostmaster)
- return;
+ if (!IsUnderPostmaster)
+ return;
-# ifdef PS_USE_CHANGE_ARGV
+#ifdef PS_USE_CHANGE_ARGV
argv[0] = ps_buffer;
argv[1] = NULL;
-# endif /* PS_USE_CHANGE_ARGV */
+#endif /* PS_USE_CHANGE_ARGV */
-# ifdef PS_USE_CLOBBER_ARGV
- /*
- * If we're going to overwrite the argv area, count the space.
- */
+#ifdef PS_USE_CLOBBER_ARGV
+
+ /*
+ * If we're going to overwrite the argv area, count the space.
+ */
{
- char * end_of_area = NULL;
- char **new_environ;
- int i;
+ char *end_of_area = NULL;
+ char **new_environ;
+ int i;
/*
* check for contiguous argv strings
@@ -153,31 +155,34 @@ init_ps_display(int argc, char *argv[],
*/
for (i = 0; environ[i] != NULL; i++)
;
- new_environ = malloc(sizeof (char *) * (i + 1));
+ new_environ = malloc(sizeof(char *) * (i + 1));
for (i = 0; environ[i] != NULL; i++)
- new_environ[i] = strdup(environ[i]);
+ new_environ[i] = strdup(environ[i]);
new_environ[i] = NULL;
environ = new_environ;
}
-# endif /* PS_USE_CLOBBER_ARGV */
+#endif /* PS_USE_CLOBBER_ARGV */
/*
* Make fixed prefix
*/
-# ifdef PS_USE_SETPROCTITLE
- /* apparently setproctitle() already adds a `progname:' prefix to
- * the ps line */
+#ifdef PS_USE_SETPROCTITLE
+
+ /*
+ * apparently setproctitle() already adds a `progname:' prefix to the
+ * ps line
+ */
snprintf(ps_buffer, ps_buffer_size,
"%s %s %s ",
username, dbname, host_info);
-# else
+#else
snprintf(ps_buffer, ps_buffer_size,
"postgres: %s %s %s ",
username, dbname, host_info);
-# endif
+#endif
- ps_buffer_fixed_size = strlen(ps_buffer);
-#endif /* not PS_USE_NONE */
+ ps_buffer_fixed_size = strlen(ps_buffer);
+#endif /* not PS_USE_NONE */
}
@@ -187,18 +192,18 @@ init_ps_display(int argc, char *argv[],
* indication of what you're currently doing passed in the argument.
*/
void
-set_ps_display(const char * value)
+set_ps_display(const char *value)
{
#ifndef PS_USE_NONE
/* no ps display for stand-alone backend */
if (!IsUnderPostmaster)
return;
-# ifdef PS_USE_CLOBBER_ARGV
+#ifdef PS_USE_CLOBBER_ARGV
/* If ps_buffer is a pointer, it might still be null */
if (!ps_buffer)
return;
-# endif
+#endif
/* Update ps_buffer to contain both fixed part and value */
StrNCpy(ps_buffer + ps_buffer_fixed_size, value,
@@ -206,42 +211,43 @@ set_ps_display(const char * value)
/* Transmit new setting to kernel, if necessary */
-# ifdef PS_USE_SETPROCTITLE
+#ifdef PS_USE_SETPROCTITLE
setproctitle("%s", ps_buffer);
-# endif
+#endif
-# ifdef PS_USE_PSTAT
- {
- union pstun pst;
+#ifdef PS_USE_PSTAT
+ {
+ union pstun pst;
- pst.pst_command = ps_buffer;
- pstat(PSTAT_SETCMD, pst, strlen(ps_buffer), 0, 0);
- }
-# endif /* PS_USE_PSTAT */
+ pst.pst_command = ps_buffer;
+ pstat(PSTAT_SETCMD, pst, strlen(ps_buffer), 0, 0);
+ }
+#endif /* PS_USE_PSTAT */
-# ifdef PS_USE_PS_STRINGS
- PS_STRINGS->ps_nargvstr = 1;
- PS_STRINGS->ps_argvstr = ps_buffer;
-# endif /* PS_USE_PS_STRINGS */
+#ifdef PS_USE_PS_STRINGS
+ PS_STRINGS->ps_nargvstr = 1;
+ PS_STRINGS->ps_argvstr = ps_buffer;
+#endif /* PS_USE_PS_STRINGS */
-# ifdef PS_USE_CLOBBER_ARGV
- {
- char * cp;
- /* pad unused memory */
- for(cp = ps_buffer + strlen(ps_buffer);
- cp < ps_buffer + ps_buffer_size;
- cp++)
- *cp = PS_PADDING;
- }
-# endif /* PS_USE_CLOBBER_ARGV */
+#ifdef PS_USE_CLOBBER_ARGV
+ {
+ char *cp;
+
+ /* pad unused memory */
+ for (cp = ps_buffer + strlen(ps_buffer);
+ cp < ps_buffer + ps_buffer_size;
+ cp++)
+ *cp = PS_PADDING;
+ }
+#endif /* PS_USE_CLOBBER_ARGV */
-#endif /* not PS_USE_NONE */
+#endif /* not PS_USE_NONE */
}
/*
* Returns what's currently in the ps display, in case someone needs
- * it. Note that only the variable part is returned.
+ * it. Note that only the variable part is returned.
*/
const char *
get_ps_display(void)
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-20 20:46:10 +0000