Cached getpagesize().

* glibtop_private.c: (get_page_size):
	* glibtop_private.h:
	* procmem.c: (glibtop_get_proc_mem_s):
	* procsegment.c: (glibtop_get_proc_segment_s):

	Cached getpagesize().

sysdeps/linux/ChangeLog

@@ -1,3 +1,12 @@
+2005-07-22  Benoît Dejean  <TazForEver@dlfp.org>
+
+	* glibtop_private.c: (get_page_size):
+	* glibtop_private.h:
+	* procmem.c: (glibtop_get_proc_mem_s):
+	* procsegment.c: (glibtop_get_proc_segment_s):
+	
+	Cached getpagesize().
+
 2005-07-09  Benoît Dejean  <TazForEver@dlfp.org>
 
 	* netload.c: (read_value), (linux_2_6_stats), (linux_2_0_stats),

sysdeps/linux/glibtop_private.c

@@ -10,6 +10,7 @@
 #include <stdarg.h>
 
 #include <fcntl.h>
+#include <unistd.h>
 
 
 unsigned long long
@@ -129,3 +130,16 @@ get_boot_time(glibtop *server)
 	return boot_time;
 }
 
+
+size_t
+get_page_size(void)
+{
+	static size_t pagesize = 0;
+
+	if(G_UNLIKELY(!pagesize))
+	{
+		pagesize = getpagesize();
+	}
+
+	return pagesize;
+}

sysdeps/linux/glibtop_private.h

@@ -117,6 +117,10 @@ unsigned long
 get_boot_time(glibtop *server) G_GNUC_INTERNAL;
 
 
+size_t
+get_page_size(void) G_GNUC_INTERNAL;
+
+
 G_END_DECLS
 
 #endif /* __LINUX__GLIBTOP_PRIVATE_H__ */

sysdeps/linux/procmem.c

@@ -51,7 +51,7 @@ void
 glibtop_get_proc_mem_s (glibtop *server, glibtop_proc_mem *buf, pid_t pid)
 {
 	char buffer [BUFSIZ], *p;
-	const size_t pagesize = getpagesize();
+	const size_t pagesize = get_page_size();
 
 	glibtop_init_s (&server, GLIBTOP_SYSDEPS_MEM, 0);
 

sysdeps/linux/procsegment.c

@@ -55,7 +55,7 @@ glibtop_get_proc_segment_s (glibtop *server, glibtop_proc_segment *buf,
 			    pid_t pid)
 {
 	char buffer [BUFSIZ], *p;
-	const size_t pagesize = getpagesize();
+	const size_t pagesize = get_page_size();
 
 	glibtop_init_s (&server, GLIBTOP_SYSDEPS_PROC_SEGMENT, 0);