prelink/patches/prelink-20040707-init.patch

--- prelink-20040707/src/main.c.jj	2004-09-09 09:53:05.281838640 -0700
+++ prelink-20040707/src/main.c	2004-09-09 10:31:09.029656200 -0700
@@ -58,6 +58,8 @@
 const char *prelink_conf = PRELINK_CONF;
 const char *prelink_cache = PRELINK_CACHE;
 const char *undo_output;
+int noreexecinit;
+time_t initctime;
 
 const char *argp_program_version = "prelink 1.0";
 
@@ -111,6 +113,7 @@
   {"mmap-region-end",	OPT_MMAP_REG_END, "BASE_ADDRESS", OPTION_HIDDEN, "" },
   {"seed",		OPT_SEED, "SEED", OPTION_HIDDEN, "" },
   {"compute-checksum",	OPT_COMPUTE_CHECKSUM, 0, OPTION_HIDDEN, "" },
+  {"init",		'i', 0, 0,  "Do not re-execute init" },
   { 0 }
 };
 
@@ -222,12 +225,29 @@
     case OPT_COMPUTE_CHECKSUM:
       compute_checksum = 1;
       break;
+	case 'i':
+	  noreexecinit=1;
+	  break;
     default:
       return ARGP_ERR_UNKNOWN;
     }
   return 0;
 }
 
+time_t get_ctime(const char *file) {
+  struct stat st;
+  if(stat(file,&st) == 0)
+    return st.st_ctime;
+  return 0;
+}
+
+void checkinit() {
+    if(initctime != get_ctime("/sbin/init")) {
+	  printf("Executing /sbin/init U\n");
+      system("/sbin/init U");
+	}
+}
+
 static struct argp argp = { options, parse_opt, "[FILES]", argp_doc };
 
 int
@@ -247,6 +267,11 @@
 
   argp_parse (&argp, argc, argv, 0, &remaining, 0);
 
+  if(!noreexecinit) {
+    initctime = get_ctime("/sbin/init");
+	atexit(checkinit);
+  }
+
   if (ld_library_path == NULL)
     ld_library_path = getenv ("LD_LIBRARY_PATH");
 
1	niro	153	--- prelink-20040707/src/main.c.jj 2004-09-09 09:53:05.281838640 -0700
2			+++ prelink-20040707/src/main.c 2004-09-09 10:31:09.029656200 -0700
3			@@ -58,6 +58,8 @@
4			const char *prelink_conf = PRELINK_CONF;
5			const char *prelink_cache = PRELINK_CACHE;
6			const char *undo_output;
7			+int noreexecinit;
8			+time_t initctime;
9
10			const char *argp_program_version = "prelink 1.0";
11
12			@@ -111,6 +113,7 @@
13			{"mmap-region-end", OPT_MMAP_REG_END, "BASE_ADDRESS", OPTION_HIDDEN, "" },
14			{"seed", OPT_SEED, "SEED", OPTION_HIDDEN, "" },
15			{"compute-checksum", OPT_COMPUTE_CHECKSUM, 0, OPTION_HIDDEN, "" },
16			+ {"init", 'i', 0, 0, "Do not re-execute init" },
17			{ 0 }
18			};
19
20			@@ -222,12 +225,29 @@
21			case OPT_COMPUTE_CHECKSUM:
22			compute_checksum = 1;
23			break;
24			+ case 'i':
25			+ noreexecinit=1;
26			+ break;
27			default:
28			return ARGP_ERR_UNKNOWN;
29			}
30			return 0;
31			}
32
33			+time_t get_ctime(const char *file) {
34			+ struct stat st;
35			+ if(stat(file,&st) == 0)
36			+ return st.st_ctime;
37			+ return 0;
38			+}
39			+
40			+void checkinit() {
41			+ if(initctime != get_ctime("/sbin/init")) {
42			+ printf("Executing /sbin/init U\n");
43			+ system("/sbin/init U");
44			+ }
45			+}
46			+
47			static struct argp argp = { options, parse_opt, "[FILES]", argp_doc };
48
49			int
50			@@ -247,6 +267,11 @@
51
52			argp_parse (&argp, argc, argv, 0, &remaining, 0);
53
54			+ if(!noreexecinit) {
55			+ initctime = get_ctime("/sbin/init");
56			+ atexit(checkinit);
57			+ }
58			+
59			if (ld_library_path == NULL)
60			ld_library_path = getenv ("LD_LIBRARY_PATH");
61