From deca106b6dad70ad0a1312a82d762aa8d8ad52ba Mon Sep 17 00:00:00 2001
From: Eric Andersen <andersen@codepoet.org>
Date: Thu, 5 Dec 2002 07:24:08 +0000
Subject: Kill CONFIG_FEATURE_USE_DEVPS_PATCH and the devps patch.  I'm not
 maintaining it anymore, and it is now terribly out of date.  -Erik

---
 procps/ps.c | 104 ------------------------------------------------------------
 1 file changed, 104 deletions(-)

(limited to 'procps')

diff --git a/procps/ps.c b/procps/ps.c
index cf2f2b0c4..5ccac7a95 100644
--- a/procps/ps.c
+++ b/procps/ps.c
@@ -20,12 +20,6 @@
  * Place, Suite 330, Boston, MA 02111-1307 USA
  */
 
-/*
- * This contains _two_ implementations of ps for Linux.  One uses the
- * traditional /proc virtual filesystem, and the other use the devps kernel
- * driver (written by Erik Andersen to avoid using /proc thereby saving 100k+).
- */
-
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
@@ -42,8 +36,6 @@ static const int TERMINAL_WIDTH = 79;      /* not 80 in case terminal has linefo
 
 
 
-#if ! defined CONFIG_FEATURE_USE_DEVPS_PATCH
-
 extern int ps_main(int argc, char **argv)
 {
 	procps_status_t * p;
@@ -91,99 +83,3 @@ extern int ps_main(int argc, char **argv)
 	return EXIT_SUCCESS;
 }
 
-
-#else /* CONFIG_FEATURE_USE_DEVPS_PATCH */
-
-
-/* The following is the second ps implementation --
- * this one uses the nifty new devps kernel device.
- */
-
-#include <linux/devps.h> /* For Erik's nifty devps device driver */
-
-
-extern int ps_main(int argc, char **argv)
-{
-	char device[] = "/dev/ps";
-	int i, j, len, fd;
-	pid_t num_pids;
-	pid_t* pid_array = NULL;
-	struct pid_info info;
-	char uidName[9];
-#ifdef CONFIG_FEATURE_AUTOWIDTH
-	struct winsize win = { 0, 0, 0, 0 };
-	int terminal_width = TERMINAL_WIDTH;
-#else
-#define terminal_width  TERMINAL_WIDTH
-#endif
-
-	if (argc > 1 && **(argv + 1) == '-') 
-		show_usage();
-
-	/* open device */ 
-	fd = open(device, O_RDONLY);
-	if (fd < 0) 
-		perror_msg_and_die( "open failed for `%s'", device);
-
-	/* Find out how many processes there are */
-	if (ioctl (fd, DEVPS_GET_NUM_PIDS, &num_pids)<0) 
-		perror_msg_and_die( "\nDEVPS_GET_PID_LIST");
-	
-	/* Allocate some memory -- grab a few extras just in case 
-	 * some new processes start up while we wait. The kernel will
-	 * just ignore any extras if we give it too many, and will trunc.
-	 * the list if we give it too few.  */
-	pid_array = (pid_t*) xcalloc( num_pids+10, sizeof(pid_t));
-	pid_array[0] = num_pids+10;
-
-	/* Now grab the pid list */
-	if (ioctl (fd, DEVPS_GET_PID_LIST, pid_array)<0) 
-		perror_msg_and_die("\nDEVPS_GET_PID_LIST");
-
-#ifdef CONFIG_FEATURE_AUTOWIDTH
-		ioctl(fileno(stdout), TIOCGWINSZ, &win);
-		if (win.ws_col > 0)
-			terminal_width = win.ws_col - 1;
-#endif
-
-	/* Print up a ps listing */
-	printf("  PID  Uid     Stat Command\n");
-
-	for (i=1; i<pid_array[0] ; i++) {
-	    info.pid = pid_array[i];
-
-	    if (ioctl (fd, DEVPS_GET_PID_INFO, &info)<0)
-			perror_msg_and_die("\nDEVPS_GET_PID_INFO");
-	    
-		/* Make some adjustments as needed */
-		my_getpwuid(uidName, info.euid);
-
-		if(p.vmsize == 0)
-			len = printf("%5d %-8s        %c    ", p.pid, uidName, p.state);
-		else
-			len = printf("%5d %-8s %6d %c    ", p.pid, uidName, p.vmsize, p.state);
-		if (strlen(info.command_line) > 1) {
-			for( j=0; j<(sizeof(info.command_line)-1) && j < (terminal_width-len); j++) {
-				if (*(info.command_line+j) == '\0' && *(info.command_line+j+1) != '\0') {
-					*(info.command_line+j) = ' ';
-				}
-			}
-			*(info.command_line+j) = '\0';
-			puts(info.command_line);
-		} else {
-			printf("[%s]\n", info.name);
-		}
-	}
-
-	/* Free memory */
-	free( pid_array);
-
-	/* close device */
-	if (close (fd) != 0) 
-		perror_msg_and_die("close failed for `%s'", device);
- 
-	exit (0);
-}
-
-#endif /* CONFIG_FEATURE_USE_DEVPS_PATCH */
-
-- 
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