File psmisc-22.6-writeonly.patch of Package psmisc

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File psmisc-22.6-writeonly.patch of Package psmisc (Revision 8cbf6c8666076222a2886bb566ca2d20)

Currently displaying revision 8cbf6c8666076222a2886bb566ca2d20 , Show latest

--- doc/fuser.1
+++ doc/fuser.1	2008-08-07 14:51:18.000000000 +0200
@@ -10,6 +10,7 @@ fuser \- identify processes using files 
 .IR space\  ]
 .RB [ \-k
 .RB [ \-i ]
+.RB [ \-w ]
 .RB [ \- \fIsignal
 ] ]
 .RB [ \-muvf ]
@@ -74,6 +75,9 @@ other \fBfuser\fP processes. The effecti
 .IP \fB\-i\fP
 Ask the user for confirmation before killing a process. This option is
 silently ignored if \fB\-k\fP is not present too.
+.IP \fB\-w\fP
+Kill only processes which have write access. This option is
+silently ignored if \fB\-k\fP is not present too.
 .IP \fB\-l\fP
 List all known signal names.
 .IP \fB\-m\fP
--- src/fuser.c
+++ src/fuser.c	2008-08-07 15:49:28.714368021 +0200
@@ -66,7 +66,7 @@ static void check_map(const pid_t pid, c
 static struct stat *get_pidstat(const opt_type opts, const pid_t pid, const char *filename, char *real);
 static uid_t getpiduid(const pid_t pid);
 static int print_matches(struct names *names_head, const opt_type opts, const int sig_number);
-static void kill_matched_proc(struct procs *pptr, const opt_type opts, const int sig_number);
+static int kill_matched_proc(struct procs *pptr, const opt_type opts, const int sig_number);
 
 int parse_mount(struct names *this_name, struct device_list **dev_list);
 static void add_device(struct device_list **dev_list, struct names  *this_name, dev_t device);
@@ -89,7 +89,7 @@ static void usage (const char *errormsg)
 		fprintf(stderr, "%s\n", errormsg);
 
   fprintf (stderr, _(
-    "Usage: fuser [ -a | -s | -c ] [ -n SPACE ] [ -SIGNAL ] [ -kimuv ] NAME...\n"
+    "Usage: fuser [ -a | -s | -c ] [ -n SPACE ] [ -SIGNAL ] [ -kimuvw ] NAME...\n"
     "             [ - ] [ -n SPACE ] [ -SIGNAL ] [ -kimuv ] NAME...\n"
     "       fuser -l\n"
     "       fuser -V\n"
@@ -106,6 +106,7 @@ static void usage (const char *errormsg)
     "    -SIGNAL   send this signal instead of SIGKILL\n"
     "    -u        display user IDs\n"
     "    -v        verbose output\n"
+    "    -w        kill only processes with write access\n"
     "    -V        display version information\n"));
 #ifdef WITH_IPV6
   fprintf (stderr, _(
@@ -901,6 +902,9 @@ int main(int argc, char *argv[])
 				case 'v':
 					opts |= OPT_VERBOSE;
 					break;
+				case 'w':
+					opts |= OPT_WRITE;
+					break;
 				case 'V':
 					print_version();
 					return 0;
@@ -1033,6 +1037,7 @@ static int print_matches(struct names *n
 	int len = 0;
 	struct passwd *pwent = NULL;
 	int have_match = 0;
+	int have_kill = 0;
 	
     	for (nptr = names_head; nptr != NULL ; nptr = nptr->next) {
 		if (opts & OPT_SILENT) {
@@ -1103,21 +1108,23 @@ static int print_matches(struct names *n
     				len = 0;
     				first = 0;
     			}
-                if (opts & OPT_VERBOSE) {
-                  /* put a newline if showing all files and no procs*/
-                  if (nptr->matched_procs == NULL && (opts & OPT_ALLFILES))
-                    putc('\n', stderr);
-                } else {
-    			  if (nptr->matched_procs != NULL || (opts & OPT_ALLFILES))
-    				putc('\n', stderr);
-                }
+                	if (opts & OPT_VERBOSE) {
+				/* put a newline if showing all files and no procs*/
+				if (nptr->matched_procs == NULL && (opts & OPT_ALLFILES))
+					putc('\n', stderr);
+			} else {
+				if (nptr->matched_procs != NULL || (opts & OPT_ALLFILES))
+					putc('\n', stderr);
+			}
 		} /* be silent */
 		if (opts & OPT_KILL)
-			kill_matched_proc(nptr->matched_procs,  opts, sig_number);
+			have_kill = kill_matched_proc(nptr->matched_procs,  opts, sig_number);
 
 	} /* next name */
-	return (have_match==1?0:1);
-
+	if (opts & OPT_KILL)
+		return (have_kill==1?0:1);
+	else
+		return (have_match==1?0:1);
 }
 
 static struct stat *get_pidstat(const opt_type opts, const pid_t pid, const char *filename, char *real)
@@ -1403,21 +1410,26 @@ static int ask(const pid_t pid)
 	} /* while */
 }
 
-static void kill_matched_proc(struct procs *proc_head, const opt_type opts, const int sig_number)
+static int kill_matched_proc(struct procs *proc_head, const opt_type opts, const int sig_number)
 {
 	struct procs *pptr;
+	int ret = 0;
 
 	for (pptr = proc_head ; pptr != NULL ; pptr = pptr->next ) {
 		if ( (opts & OPT_INTERACTIVE) && (ask(pptr->pid) == 0))
 			continue;
+		if ((opts & OPT_WRITE) && ((pptr->access & ACCESS_FILEWR) == 0))
+			continue;
 		if ( kill (pptr->pid, sig_number) < 0) {
 			fprintf(stderr, _("Could not kill process %d: %s\n"),
 					pptr->pid,
 					strerror(errno)
 				);
+			continue;
 		}
-					
+		ret = 1;
 	}
+	return ret;
 }
 
 static dev_t find_net_dev(void)
--- src/fuser.h
+++ src/fuser.h	2008-08-07 14:26:48.000000000 +0200
@@ -1,6 +1,6 @@
 
 /* Option Flags */
-typedef unsigned char opt_type;
+typedef unsigned short opt_type;
 
 #define OPT_VERBOSE 1
 #define OPT_ALLFILES 2
@@ -10,6 +10,7 @@ typedef unsigned char opt_type;
 #define OPT_SILENT 32
 #define OPT_USER 64
 #define OPT_MOUNTPOINT 128
+#define OPT_WRITE 256
 
 
 struct procs {

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File psmisc-22.6-writeonly.patch of Package psmisc (Revision 8cbf6c8666076222a2886bb566ca2d20)

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