From: Mark Wong <markwkm@gmail.com>
Date: Tue, 26 Aug 2008 05:25:20 +0000 (-0700)
Subject: Stop changing the working directory because it seems to confuse PostgreSQL.
X-Git-Tag: v0.0.5~26
X-Git-Url: http://git.postgresql.org/gitweb/static/gitweb.js?a=commitdiff_plain;h=3e69eb49ec6ae9882fa315a6cafb44f4ed4eae6f;p=pg_proctab.git

Stop changing the working directory because it seems to confuse PostgreSQL.
---

diff --git a/pg_cputime.c b/pg_cputime.c
index 4adb100..45a6ec1 100644
--- a/pg_cputime.c
+++ b/pg_cputime.c
@@ -117,13 +117,11 @@ Datum pg_cputime(PG_FUNCTION_ARGS)
 
 		char **values = NULL;
 
-		chdir(PROCFS);
-
 		/*
 		 * Sanity check, make sure we read the pid information that we're
 		 * asking for.
 		 */ 
-		sprintf(buffer, "stat");
+		sprintf(buffer, "%s/stat", PROCFS);
 		fd = open(buffer, O_RDONLY);
 		if (fd == -1)
 		{
diff --git a/pg_loadavg.c b/pg_loadavg.c
index bad1ebe..ec5d4c2 100644
--- a/pg_loadavg.c
+++ b/pg_loadavg.c
@@ -117,13 +117,11 @@ Datum pg_loadavg(PG_FUNCTION_ARGS)
 
 		char **values = NULL;
 
-		chdir(PROCFS);
-
 		/*
 		 * Sanity check, make sure we read the pid information that we're
 		 * asking for.
 		 */ 
-		sprintf(buffer, "loadavg");
+		sprintf(buffer, "%s/loadavg", PROCFS);
 		fd = open(buffer, O_RDONLY);
 		if (fd == -1)
 		{
diff --git a/pg_memusage.c b/pg_memusage.c
index 43d0a8e..ecde4e3 100644
--- a/pg_memusage.c
+++ b/pg_memusage.c
@@ -122,13 +122,11 @@ Datum pg_memusage(PG_FUNCTION_ARGS)
 
 		char **values = NULL;
 
-		chdir(PROCFS);
-
 		/*
 		 * Sanity check, make sure we read the pid information that we're
 		 * asking for.
 		 */ 
-		sprintf(buffer, "meminfo");
+		sprintf(buffer, "%s/meminfo", PROCFS);
 		fd = open(buffer, O_RDONLY);
 		if (fd == -1)
 		{
diff --git a/pg_proctab.c b/pg_proctab.c
index c9bad71..36bc7b2 100644
--- a/pg_proctab.c
+++ b/pg_proctab.c
@@ -193,7 +193,6 @@ Datum pg_proctab(PG_FUNCTION_ARGS)
 			elog(ERROR, "proc filesystem not mounted on " PROCFS "\n");
 			SRF_RETURN_DONE(funcctx);
 		} 
-		chdir(PROCFS);
 
 		/* Read the stat info for the pid. */
 
@@ -206,7 +205,7 @@ Datum pg_proctab(PG_FUNCTION_ARGS)
 		 * Sanity check, make sure we read the pid information that we're
 		 * asking for.
 		 */ 
-		sprintf(buffer, "%d/stat", pid);
+		sprintf(buffer, "%s/%d/stat", PROCFS, pid);
 		fd = open(buffer, O_RDONLY);
 		if (fd == -1)
 		{