mirror of https://github.com/xzeldon/htop.git
Add read-only option
Add command line option to disable all system and process changing features.
This commit is contained in:
parent
812cfcb94d
commit
36880cd61c
98
Action.c
98
Action.c
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@ -254,11 +254,17 @@ static Htop_Reaction actionIncSearch(State* st) {
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}
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static Htop_Reaction actionHigherPriority(State* st) {
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if (Settings_isReadonly())
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return HTOP_OK;
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bool changed = changePriority(st->mainPanel, -1);
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return changed ? HTOP_REFRESH : HTOP_OK;
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}
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static Htop_Reaction actionLowerPriority(State* st) {
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if (Settings_isReadonly())
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return HTOP_OK;
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bool changed = changePriority(st->mainPanel, 1);
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return changed ? HTOP_REFRESH : HTOP_OK;
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}
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@ -292,6 +298,9 @@ static Htop_Reaction actionQuit(ATTR_UNUSED State* st) {
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}
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static Htop_Reaction actionSetAffinity(State* st) {
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if (Settings_isReadonly())
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return HTOP_OK;
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if (st->pl->cpuCount == 1)
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return HTOP_OK;
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@ -323,6 +332,9 @@ static Htop_Reaction actionSetAffinity(State* st) {
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}
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static Htop_Reaction actionKill(State* st) {
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if (Settings_isReadonly())
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return HTOP_OK;
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Panel* signalsPanel = SignalsPanel_new();
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const ListItem* sgn = (ListItem*) Action_pickFromVector(st, signalsPanel, 15, true);
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if (sgn && sgn->key != 0) {
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@ -370,6 +382,9 @@ static Htop_Reaction actionSetup(State* st) {
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}
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static Htop_Reaction actionLsof(State* st) {
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if (Settings_isReadonly())
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return HTOP_OK;
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const Process* p = (Process*) Panel_getSelected((Panel*)st->mainPanel);
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if (!p)
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return HTOP_OK;
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@ -394,6 +409,9 @@ static Htop_Reaction actionShowLocks(State* st) {
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}
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static Htop_Reaction actionStrace(State* st) {
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if (Settings_isReadonly())
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return HTOP_OK;
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const Process* p = (Process*) Panel_getSelected((Panel*)st->mainPanel);
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if (!p)
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return HTOP_OK;
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@ -431,49 +449,51 @@ static Htop_Reaction actionTogglePauseProcessUpdate(State* st) {
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static const struct {
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const char* key;
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bool roInactive;
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const char* info;
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} helpLeft[] = {
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{ .key = " Arrows: ", .info = "scroll process list" },
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{ .key = " Digits: ", .info = "incremental PID search" },
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{ .key = " F3 /: ", .info = "incremental name search" },
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{ .key = " F4 \\: ",.info = "incremental name filtering" },
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{ .key = " F5 t: ", .info = "tree view" },
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{ .key = " p: ", .info = "toggle program path" },
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{ .key = " m: ", .info = "toggle merged command" },
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{ .key = " Z: ", .info = "pause/resume process updates" },
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{ .key = " u: ", .info = "show processes of a single user" },
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{ .key = " H: ", .info = "hide/show user process threads" },
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{ .key = " K: ", .info = "hide/show kernel threads" },
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{ .key = " F: ", .info = "cursor follows process" },
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{ .key = " + - *: ", .info = "expand/collapse tree/toggle all" },
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{ .key = "N P M T: ", .info = "sort by PID, CPU%, MEM% or TIME" },
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{ .key = " I: ", .info = "invert sort order" },
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{ .key = " F6 > .: ", .info = "select sort column" },
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{ .key = " Arrows: ", .roInactive = false, .info = "scroll process list" },
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{ .key = " Digits: ", .roInactive = false, .info = "incremental PID search" },
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{ .key = " F3 /: ", .roInactive = false, .info = "incremental name search" },
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{ .key = " F4 \\: ", .roInactive = false, .info = "incremental name filtering" },
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{ .key = " F5 t: ", .roInactive = false, .info = "tree view" },
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{ .key = " p: ", .roInactive = false, .info = "toggle program path" },
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{ .key = " m: ", .roInactive = false, .info = "toggle merged command" },
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{ .key = " Z: ", .roInactive = false, .info = "pause/resume process updates" },
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{ .key = " u: ", .roInactive = false, .info = "show processes of a single user" },
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{ .key = " H: ", .roInactive = false, .info = "hide/show user process threads" },
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{ .key = " K: ", .roInactive = false, .info = "hide/show kernel threads" },
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{ .key = " F: ", .roInactive = false, .info = "cursor follows process" },
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{ .key = " + - *: ", .roInactive = false, .info = "expand/collapse tree/toggle all" },
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{ .key = "N P M T: ", .roInactive = false, .info = "sort by PID, CPU%, MEM% or TIME" },
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{ .key = " I: ", .roInactive = false, .info = "invert sort order" },
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{ .key = " F6 > .: ", .roInactive = false, .info = "select sort column" },
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{ .key = NULL, .info = NULL }
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};
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static const struct {
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const char* key;
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bool roInactive;
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const char* info;
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} helpRight[] = {
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{ .key = " Space: ", .info = "tag process" },
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{ .key = " c: ", .info = "tag process and its children" },
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{ .key = " U: ", .info = "untag all processes" },
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{ .key = " F9 k: ", .info = "kill process/tagged processes" },
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{ .key = " F7 ]: ", .info = "higher priority (root only)" },
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{ .key = " F8 [: ", .info = "lower priority (+ nice)" },
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{ .key = " Space: ", .roInactive = false, .info = "tag process" },
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{ .key = " c: ", .roInactive = false, .info = "tag process and its children" },
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{ .key = " U: ", .roInactive = false, .info = "untag all processes" },
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{ .key = " F9 k: ", .roInactive = true, .info = "kill process/tagged processes" },
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{ .key = " F7 ]: ", .roInactive = true, .info = "higher priority (root only)" },
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{ .key = " F8 [: ", .roInactive = false, .info = "lower priority (+ nice)" },
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#if (defined(HAVE_LIBHWLOC) || defined(HAVE_LINUX_AFFINITY))
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{ .key = " a: ", .info = "set CPU affinity" },
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{ .key = " a: ", .roInactive = true, .info = "set CPU affinity" },
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#endif
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{ .key = " e: ", .info = "show process environment" },
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{ .key = " i: ", .info = "set IO priority" },
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{ .key = " l: ", .info = "list open files with lsof" },
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{ .key = " x: ", .info = "list file locks of process" },
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{ .key = " s: ", .info = "trace syscalls with strace" },
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{ .key = " w: ", .info = "wrap process command in multiple lines" },
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{ .key = " F2 C S: ", .info = "setup" },
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{ .key = " F1 h: ", .info = "show this help screen" },
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{ .key = " F10 q: ", .info = "quit" },
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{ .key = " e: ", .roInactive = false, .info = "show process environment" },
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{ .key = " i: ", .roInactive = true, .info = "set IO priority" },
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{ .key = " l: ", .roInactive = true, .info = "list open files with lsof" },
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{ .key = " x: ", .roInactive = false, .info = "list file locks of process" },
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{ .key = " s: ", .roInactive = true, .info = "trace syscalls with strace" },
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{ .key = " w: ", .roInactive = false, .info = "wrap process command in multiple lines" },
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{ .key = " F2 C S: ", .roInactive = false, .info = "setup" },
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{ .key = " F1 h: ", .roInactive = false, .info = "show this help screen" },
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{ .key = " F10 q: ", .roInactive = false, .info = "quit" },
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{ .key = NULL, .info = NULL }
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};
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@ -549,26 +569,28 @@ static Htop_Reaction actionHelp(State* st) {
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line++;
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const bool readonly = Settings_isReadonly();
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int item;
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for (item = 0; helpLeft[item].key; item++) {
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attrset(CRT_colors[DEFAULT_COLOR]);
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attrset((helpLeft[item].roInactive && readonly) ? CRT_colors[HELP_SHADOW] : CRT_colors[DEFAULT_COLOR]);
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mvaddstr(line + item, 10, helpLeft[item].info);
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attrset(CRT_colors[HELP_BOLD]);
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attrset((helpLeft[item].roInactive && readonly) ? CRT_colors[HELP_SHADOW] : CRT_colors[HELP_BOLD]);
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mvaddstr(line + item, 1, helpLeft[item].key);
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if (String_eq(helpLeft[item].key, " H: ")) {
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attrset(CRT_colors[PROCESS_THREAD]);
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attrset((helpLeft[item].roInactive && readonly) ? CRT_colors[HELP_SHADOW] : CRT_colors[PROCESS_THREAD]);
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mvaddstr(line + item, 33, "threads");
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} else if (String_eq(helpLeft[item].key, " K: ")) {
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attrset(CRT_colors[PROCESS_THREAD]);
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attrset((helpLeft[item].roInactive && readonly) ? CRT_colors[HELP_SHADOW] : CRT_colors[PROCESS_THREAD]);
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mvaddstr(line + item, 27, "threads");
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}
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}
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int leftHelpItems = item;
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for (item = 0; helpRight[item].key; item++) {
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attrset(CRT_colors[HELP_BOLD]);
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attrset((helpRight[item].roInactive && readonly) ? CRT_colors[HELP_SHADOW] : CRT_colors[HELP_BOLD]);
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mvaddstr(line + item, 41, helpRight[item].key);
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attrset(CRT_colors[DEFAULT_COLOR]);
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attrset((helpRight[item].roInactive && readonly) ? CRT_colors[HELP_SHADOW] : CRT_colors[DEFAULT_COLOR]);
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mvaddstr(line + item, 50, helpRight[item].info);
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}
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line += MAXIMUM(leftHelpItems, item);
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6
CRT.c
6
CRT.c
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@ -166,6 +166,7 @@ static int CRT_colorSchemes[LAST_COLORSCHEME][LAST_COLORELEMENT] = {
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[LOAD_AVERAGE_ONE] = A_BOLD | ColorPair(White, Black),
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[LOAD] = A_BOLD,
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[HELP_BOLD] = A_BOLD | ColorPair(Cyan, Black),
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[HELP_SHADOW] = A_BOLD | ColorPairGrayBlack,
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[CLOCK] = A_BOLD,
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[DATE] = A_BOLD,
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[DATETIME] = A_BOLD,
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@ -258,6 +259,7 @@ static int CRT_colorSchemes[LAST_COLORSCHEME][LAST_COLORELEMENT] = {
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[LOAD_AVERAGE_ONE] = A_BOLD,
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[LOAD] = A_BOLD,
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[HELP_BOLD] = A_BOLD,
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[HELP_SHADOW] = A_DIM,
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[CLOCK] = A_BOLD,
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[DATE] = A_BOLD,
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[DATETIME] = A_BOLD,
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@ -350,6 +352,7 @@ static int CRT_colorSchemes[LAST_COLORSCHEME][LAST_COLORELEMENT] = {
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[LOAD_AVERAGE_ONE] = ColorPair(Black, White),
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[LOAD] = ColorPair(Black, White),
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[HELP_BOLD] = ColorPair(Blue, White),
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[HELP_SHADOW] = A_BOLD | ColorPair(Black, White),
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[CLOCK] = ColorPair(Black, White),
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[DATE] = ColorPair(Black, White),
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[DATETIME] = ColorPair(Black, White),
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@ -442,6 +445,7 @@ static int CRT_colorSchemes[LAST_COLORSCHEME][LAST_COLORELEMENT] = {
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[LOAD_AVERAGE_ONE] = ColorPair(Black, Black),
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[LOAD] = ColorPairWhiteDefault,
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[HELP_BOLD] = ColorPair(Blue, Black),
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[HELP_SHADOW] = A_BOLD | ColorPairGrayBlack,
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[CLOCK] = ColorPairWhiteDefault,
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[DATE] = ColorPairWhiteDefault,
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[DATETIME] = ColorPairWhiteDefault,
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@ -534,6 +538,7 @@ static int CRT_colorSchemes[LAST_COLORSCHEME][LAST_COLORELEMENT] = {
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[LOAD_AVERAGE_ONE] = A_BOLD | ColorPair(White, Blue),
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[LOAD] = A_BOLD | ColorPair(White, Blue),
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[HELP_BOLD] = A_BOLD | ColorPair(Cyan, Blue),
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[HELP_SHADOW] = A_BOLD | ColorPair(Black, Blue),
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[CLOCK] = ColorPair(White, Blue),
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[DATE] = ColorPair(White, Blue),
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[DATETIME] = ColorPair(White, Blue),
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@ -626,6 +631,7 @@ static int CRT_colorSchemes[LAST_COLORSCHEME][LAST_COLORELEMENT] = {
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[LOAD_AVERAGE_ONE] = A_BOLD | ColorPair(Green, Black),
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[LOAD] = A_BOLD,
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[HELP_BOLD] = A_BOLD | ColorPair(Cyan, Black),
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[HELP_SHADOW] = A_BOLD | ColorPairGrayBlack,
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[CLOCK] = ColorPair(Green, Black),
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[CHECK_BOX] = ColorPair(Green, Black),
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[CHECK_MARK] = A_BOLD | ColorPair(Green, Black),
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1
CRT.h
1
CRT.h
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@ -109,6 +109,7 @@ typedef enum ColorElements_ {
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DATE,
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DATETIME,
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HELP_BOLD,
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HELP_SHADOW,
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HOSTNAME,
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CPU_NICE,
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CPU_NICE_TEXT,
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@ -53,6 +53,7 @@ static void printHelpFlag(const char* name) {
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"-H --highlight-changes[=DELAY] Highlight new and old processes\n"
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"-M --no-mouse Disable the mouse\n"
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"-p --pid=PID[,PID,PID...] Show only the given PIDs\n"
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" --readonly Disable all system and process changing features\n"
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"-s --sort-key=COLUMN Sort by COLUMN in list view (try --sort-key=help for a list)\n"
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"-t --tree Show the tree view (can be combined with -s)\n"
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"-u --user[=USERNAME] Show only processes for a given user (or $USER)\n"
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@ -79,6 +80,7 @@ typedef struct CommandLineSettings_ {
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bool allowUnicode;
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bool highlightChanges;
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int highlightDelaySecs;
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bool readonly;
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} CommandLineSettings;
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static CommandLineSettings parseArguments(const char* program, int argc, char** argv) {
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@ -95,6 +97,7 @@ static CommandLineSettings parseArguments(const char* program, int argc, char**
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.allowUnicode = true,
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.highlightChanges = false,
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.highlightDelaySecs = -1,
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.readonly = false,
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};
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const struct option long_opts[] =
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@ -112,6 +115,7 @@ static CommandLineSettings parseArguments(const char* program, int argc, char**
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{"pid", required_argument, 0, 'p'},
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{"filter", required_argument, 0, 'F'},
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{"highlight-changes", optional_argument, 0, 'H'},
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{"readonly", no_argument, 0, 128},
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PLATFORM_LONG_OPTIONS
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{0,0,0,0}
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};
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@ -231,6 +235,9 @@ static CommandLineSettings parseArguments(const char* program, int argc, char**
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flags.highlightChanges = true;
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break;
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}
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case 128:
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flags.readonly = true;
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break;
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default:
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if (Platform_getLongOption(opt, argc, argv) == false)
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@ -273,6 +280,9 @@ int CommandLine_run(const char* name, int argc, char** argv) {
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CommandLineSettings flags = parseArguments(name, argc, argv);
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if (flags.readonly)
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Settings_enableReadonly();
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Platform_init();
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Process_setupColumnWidths();
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@ -21,7 +21,8 @@ in the source distribution for its full text.
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#include "XUtils.h"
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static const char* const MainFunctions[] = {"Help ", "Setup ", "Search", "Filter", "Tree ", "SortBy", "Nice -", "Nice +", "Kill ", "Quit ", NULL};
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static const char* const MainFunctions[] = {"Help ", "Setup ", "Search", "Filter", "Tree ", "SortBy", "Nice -", "Nice +", "Kill ", "Quit ", NULL};
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static const char* const MainFunctions_ro[] = {"Help ", "Setup ", "Search", "Filter", "Tree ", "SortBy", " ", " ", " ", "Quit ", NULL};
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void MainPanel_updateTreeFunctions(MainPanel* this, bool mode) {
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FunctionBar* bar = MainPanel_getFunctionBar(this);
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@ -195,7 +196,7 @@ const PanelClass MainPanel_class = {
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MainPanel* MainPanel_new() {
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MainPanel* this = AllocThis(MainPanel);
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Panel_init((Panel*) this, 1, 1, 1, 1, Class(Process), false, FunctionBar_new(MainFunctions, NULL, NULL));
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Panel_init((Panel*) this, 1, 1, 1, 1, Class(Process), false, FunctionBar_new(Settings_isReadonly() ? MainFunctions_ro : MainFunctions, NULL, NULL));
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this->keys = xCalloc(KEY_MAX, sizeof(Htop_Action));
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this->inc = IncSet_new(MainPanel_getFunctionBar(this));
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@ -482,6 +482,9 @@ bool Process_isTomb(const Process* this) {
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}
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bool Process_setPriority(Process* this, int priority) {
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if (Settings_isReadonly())
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return false;
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int old_prio = getpriority(PRIO_PROCESS, this->pid);
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int err = setpriority(PRIO_PROCESS, this->pid, priority);
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10
Settings.c
10
Settings.c
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@ -472,3 +472,13 @@ void Settings_setSortKey(Settings* this, ProcessField sortKey) {
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this->treeDirection = (Process_fields[sortKey].defaultSortDesc) ? -1 : 1;
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}
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}
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static bool readonly = false;
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void Settings_enableReadonly(void) {
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readonly = true;
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}
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bool Settings_isReadonly(void) {
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return readonly;
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}
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@ -95,4 +95,8 @@ void Settings_invertSortOrder(Settings* this);
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void Settings_setSortKey(Settings* this, ProcessField sortKey);
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void Settings_enableReadonly(void);
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bool Settings_isReadonly(void);
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#endif
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@ -54,6 +54,9 @@ Do not use unicode but ASCII characters for graph meters
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\fB\-M \-\-no-mouse\fR
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Disable support of mouse control
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.TP
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\fB\-\-readonly\fR
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Disable all system and process changing features
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.TP
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\fB\-V \-\-version
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Output version information and exit
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.TP
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@ -130,6 +130,9 @@ static enum CapMode Platform_capabilitiesMode = CAP_MODE_BASIC;
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#endif
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static Htop_Reaction Platform_actionSetIOPriority(State* st) {
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if (Settings_isReadonly())
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return HTOP_OK;
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const LinuxProcess* p = (const LinuxProcess*) Panel_getSelected((Panel*)st->mainPanel);
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if (!p)
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return HTOP_OK;
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@ -873,7 +876,7 @@ bool Platform_getLongOption(int opt, int argc, char** argv) {
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switch (opt) {
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#ifdef HAVE_LIBCAP
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case 128: {
|
||||
case 160: {
|
||||
const char* mode = optarg;
|
||||
if (!mode && optind < argc && argv[optind] != NULL &&
|
||||
(argv[optind][0] != '\0' && argv[optind][0] != '-')) {
|
||||
|
|
|
@ -85,7 +85,7 @@ static inline void Platform_getRelease(char** string) {
|
|||
|
||||
#ifdef HAVE_LIBCAP
|
||||
#define PLATFORM_LONG_OPTIONS \
|
||||
{"drop-capabilities", optional_argument, 0, 128},
|
||||
{"drop-capabilities", optional_argument, 0, 160},
|
||||
#else
|
||||
#define PLATFORM_LONG_OPTIONS
|
||||
#endif
|
||||
|
|
|
@ -195,6 +195,9 @@ dlfailure:
|
|||
#endif /* !BUILD_STATIC || HAVE_LIBSYSTEMD */
|
||||
|
||||
static void updateViaExec(void) {
|
||||
if (Settings_isReadonly())
|
||||
return;
|
||||
|
||||
int fdpair[2];
|
||||
if (pipe(fdpair) < 0)
|
||||
return;
|
||||
|
|
Loading…
Reference in New Issue