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CRT.c
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/*
htop - CRT.c
(C) 2004-2011 Hisham H. Muhammad
Released under the GNU GPLv2+, see the COPYING file
in the source distribution for its full text.
*/
#include "config.h" // IWYU pragma: keep
#include "CRT.h"
#include <errno.h>
#include <fcntl.h>
#include <langinfo.h>
#include <signal.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "ProvideCurses.h"
#include "XUtils.h"
#if !defined(NDEBUG) && defined(HAVE_MEMFD_CREATE)
#include <sys/mman.h>
#endif
#if defined(HAVE_LIBUNWIND_H) && defined(HAVE_LIBUNWIND)
# define PRINT_BACKTRACE
# define UNW_LOCAL_ONLY
# include <libunwind.h>
# if defined(HAVE_DLADDR)
# include <dlfcn.h>
# endif
#elif defined(HAVE_EXECINFO_H)
# define PRINT_BACKTRACE
# include <execinfo.h>
#endif
#define ColorIndex(i,j) ((7-(i))*8+(j))
#define ColorPair(i,j) COLOR_PAIR(ColorIndex(i,j))
#define Black COLOR_BLACK
#define Red COLOR_RED
#define Green COLOR_GREEN
#define Yellow COLOR_YELLOW
#define Blue COLOR_BLUE
#define Magenta COLOR_MAGENTA
#define Cyan COLOR_CYAN
#define White COLOR_WHITE
#define ColorPairGrayBlack ColorPair(Magenta,Magenta)
#define ColorIndexGrayBlack ColorIndex(Magenta,Magenta)
#define ColorPairWhiteDefault ColorPair(Red, Red)
#define ColorIndexWhiteDefault ColorIndex(Red, Red)
static const char* const CRT_treeStrAscii[LAST_TREE_STR] = {
[TREE_STR_VERT] = "|",
[TREE_STR_RTEE] = "`",
[TREE_STR_BEND] = "`",
[TREE_STR_TEND] = ",",
[TREE_STR_OPEN] = "+",
[TREE_STR_SHUT] = "-",
[TREE_STR_ASC] = "+",
[TREE_STR_DESC] = "-",
};
#ifdef HAVE_LIBNCURSESW
static const char* const CRT_treeStrUtf8[LAST_TREE_STR] = {
[TREE_STR_VERT] = "\xe2\x94\x82", // │
[TREE_STR_RTEE] = "\xe2\x94\x9c", // ├
[TREE_STR_BEND] = "\xe2\x94\x94", // └
[TREE_STR_TEND] = "\xe2\x94\x8c", // ┌
[TREE_STR_OPEN] = "+", // +, TODO use 🮯 'BOX DRAWINGS LIGHT HORIZONTAL
// WITH VERTICAL STROKE' (U+1FBAF, "\xf0\x9f\xae\xaf") when
// Unicode 13 is common
[TREE_STR_SHUT] = "\xe2\x94\x80", // ─
[TREE_STR_ASC] = "\xe2\x96\xb3", // △
[TREE_STR_DESC] = "\xe2\x96\xbd", // ▽
};
bool CRT_utf8 = false;
#endif
const char* const* CRT_treeStr = CRT_treeStrAscii;
static const Settings* CRT_crashSettings;
static const int* CRT_delay;
const char* CRT_degreeSign;
static const char* initDegreeSign(void) {
#ifdef HAVE_LIBNCURSESW
if (CRT_utf8)
return "\xc2\xb0";
static char buffer[4];
// this might fail if the current locale does not support wide characters
int r = snprintf(buffer, sizeof(buffer), "%lc", 176);
if (r > 0)
return buffer;
#endif
return "";
}
const int* CRT_colors;
static int CRT_colorSchemes[LAST_COLORSCHEME][LAST_COLORELEMENT] = {
[COLORSCHEME_DEFAULT] = {
[RESET_COLOR] = ColorPair(White, Black),
[DEFAULT_COLOR] = ColorPair(White, Black),
[FUNCTION_BAR] = ColorPair(Black, Cyan),
[FUNCTION_KEY] = ColorPair(White, Black),
[PANEL_HEADER_FOCUS] = ColorPair(Black, Green),
[PANEL_HEADER_UNFOCUS] = ColorPair(Black, Green),
[PANEL_SELECTION_FOCUS] = ColorPair(Black, Cyan),
[PANEL_SELECTION_FOLLOW] = ColorPair(Black, Yellow),
[PANEL_SELECTION_UNFOCUS] = ColorPair(Black, White),
[FAILED_SEARCH] = ColorPair(Red, Cyan),
[FAILED_READ] = A_BOLD | ColorPair(Red, Black),
[PAUSED] = A_BOLD | ColorPair(Yellow, Cyan),
[UPTIME] = A_BOLD | ColorPair(Cyan, Black),
[BATTERY] = A_BOLD | ColorPair(Cyan, Black),
[LARGE_NUMBER] = A_BOLD | ColorPair(Red, Black),
[METER_SHADOW] = A_BOLD | ColorPairGrayBlack,
[METER_TEXT] = ColorPair(Cyan, Black),
[METER_VALUE] = A_BOLD | ColorPair(Cyan, Black),
[METER_VALUE_ERROR] = A_BOLD | ColorPair(Red, Black),
[METER_VALUE_IOREAD] = ColorPair(Green, Black),
[METER_VALUE_IOWRITE] = ColorPair(Blue, Black),
[METER_VALUE_NOTICE] = A_BOLD | ColorPair(White, Black),
[METER_VALUE_OK] = ColorPair(Green, Black),
[METER_VALUE_WARN] = A_BOLD | ColorPair(Yellow, Black),
[LED_COLOR] = ColorPair(Green, Black),
[TASKS_RUNNING] = A_BOLD | ColorPair(Green, Black),
[PROCESS] = A_NORMAL,
[PROCESS_SHADOW] = A_BOLD | ColorPairGrayBlack,
[PROCESS_TAG] = A_BOLD | ColorPair(Yellow, Black),
[PROCESS_MEGABYTES] = ColorPair(Cyan, Black),
[PROCESS_GIGABYTES] = ColorPair(Green, Black),
[PROCESS_BASENAME] = A_BOLD | ColorPair(Cyan, Black),
[PROCESS_TREE] = ColorPair(Cyan, Black),
[PROCESS_RUN_STATE] = ColorPair(Green, Black),
[PROCESS_D_STATE] = A_BOLD | ColorPair(Red, Black),
[PROCESS_HIGH_PRIORITY] = ColorPair(Red, Black),
[PROCESS_LOW_PRIORITY] = ColorPair(Green, Black),
[PROCESS_NEW] = ColorPair(Black, Green),
[PROCESS_TOMB] = ColorPair(Black, Red),
[PROCESS_THREAD] = ColorPair(Green, Black),
[PROCESS_THREAD_BASENAME] = A_BOLD | ColorPair(Green, Black),
[PROCESS_COMM] = ColorPair(Magenta, Black),
[PROCESS_THREAD_COMM] = ColorPair(Blue, Black),
[BAR_BORDER] = A_BOLD,
[BAR_SHADOW] = A_BOLD | ColorPairGrayBlack,
[SWAP] = ColorPair(Red, Black),
[SWAP_CACHE] = ColorPair(Yellow, Black),
[GRAPH_1] = A_BOLD | ColorPair(Cyan, Black),
[GRAPH_2] = ColorPair(Cyan, Black),
[MEMORY_USED] = ColorPair(Green, Black),
[MEMORY_BUFFERS] = ColorPair(Blue, Black),
[MEMORY_BUFFERS_TEXT] = A_BOLD | ColorPair(Blue, Black),
[MEMORY_CACHE] = ColorPair(Yellow, Black),
[MEMORY_SHARED] = ColorPair(Magenta, Black),
[HUGEPAGE_1] = ColorPair(Green, Black),
[HUGEPAGE_2] = ColorPair(Yellow, Black),
[HUGEPAGE_3] = ColorPair(Red, Black),
[HUGEPAGE_4] = ColorPair(Blue, Black),
[LOAD_AVERAGE_FIFTEEN] = ColorPair(Cyan, Black),
[LOAD_AVERAGE_FIVE] = A_BOLD | ColorPair(Cyan, Black),
[LOAD_AVERAGE_ONE] = A_BOLD | ColorPair(White, Black),
[LOAD] = A_BOLD,
[HELP_BOLD] = A_BOLD | ColorPair(Cyan, Black),
[HELP_SHADOW] = A_BOLD | ColorPairGrayBlack,
[CLOCK] = A_BOLD,
[DATE] = A_BOLD,
[DATETIME] = A_BOLD,
[CHECK_BOX] = ColorPair(Cyan, Black),
[CHECK_MARK] = A_BOLD,
[CHECK_TEXT] = A_NORMAL,
[HOSTNAME] = A_BOLD,
[CPU_NICE] = ColorPair(Blue, Black),
[CPU_NICE_TEXT] = A_BOLD | ColorPair(Blue, Black),
[CPU_NORMAL] = ColorPair(Green, Black),
[CPU_SYSTEM] = ColorPair(Red, Black),
[CPU_IOWAIT] = A_BOLD | ColorPairGrayBlack,
[CPU_IRQ] = ColorPair(Yellow, Black),
[CPU_SOFTIRQ] = ColorPair(Magenta, Black),
[CPU_STEAL] = ColorPair(Cyan, Black),
[CPU_GUEST] = ColorPair(Cyan, Black),
[PANEL_EDIT] = ColorPair(White, Blue),
[SCREENS_OTH_BORDER] = ColorPair(Blue, Blue),
[SCREENS_OTH_TEXT] = ColorPair(Black, Blue),
[SCREENS_CUR_BORDER] = ColorPair(Green, Green),
[SCREENS_CUR_TEXT] = ColorPair(Black, Green),
[PRESSURE_STALL_THREEHUNDRED] = ColorPair(Cyan, Black),
[PRESSURE_STALL_SIXTY] = A_BOLD | ColorPair(Cyan, Black),
[PRESSURE_STALL_TEN] = A_BOLD | ColorPair(White, Black),
[ZFS_MFU] = ColorPair(Blue, Black),
[ZFS_MRU] = ColorPair(Yellow, Black),
[ZFS_ANON] = ColorPair(Magenta, Black),
[ZFS_HEADER] = ColorPair(Cyan, Black),
[ZFS_OTHER] = ColorPair(Magenta, Black),
[ZFS_COMPRESSED] = ColorPair(Blue, Black),
[ZFS_RATIO] = ColorPair(Magenta, Black),
[ZRAM] = ColorPair(Yellow, Black),
[DYNAMIC_GRAY] = ColorPairGrayBlack,
[DYNAMIC_DARKGRAY] = A_BOLD | ColorPairGrayBlack,
[DYNAMIC_RED] = ColorPair(Red, Black),
[DYNAMIC_GREEN] = ColorPair(Green, Black),
[DYNAMIC_BLUE] = ColorPair(Blue, Black),
[DYNAMIC_CYAN] = ColorPair(Cyan, Black),
[DYNAMIC_MAGENTA] = ColorPair(Magenta, Black),
[DYNAMIC_YELLOW] = ColorPair(Yellow, Black),
[DYNAMIC_WHITE] = ColorPair(White, Black),
},
[COLORSCHEME_MONOCHROME] = {
[RESET_COLOR] = A_NORMAL,
[DEFAULT_COLOR] = A_NORMAL,
[FUNCTION_BAR] = A_REVERSE,
[FUNCTION_KEY] = A_NORMAL,
[PANEL_HEADER_FOCUS] = A_REVERSE,
[PANEL_HEADER_UNFOCUS] = A_REVERSE,
[PANEL_SELECTION_FOCUS] = A_REVERSE,
[PANEL_SELECTION_FOLLOW] = A_REVERSE,
[PANEL_SELECTION_UNFOCUS] = A_BOLD,
[FAILED_SEARCH] = A_REVERSE | A_BOLD,
[FAILED_READ] = A_BOLD,
[PAUSED] = A_BOLD | A_REVERSE,
[UPTIME] = A_BOLD,
[BATTERY] = A_BOLD,
[LARGE_NUMBER] = A_BOLD,
[METER_SHADOW] = A_DIM,
[METER_TEXT] = A_NORMAL,
[METER_VALUE] = A_BOLD,
[METER_VALUE_ERROR] = A_BOLD,
[METER_VALUE_IOREAD] = A_NORMAL,
[METER_VALUE_IOWRITE] = A_NORMAL,
[METER_VALUE_NOTICE] = A_BOLD,
[METER_VALUE_OK] = A_NORMAL,
[METER_VALUE_WARN] = A_BOLD,
[LED_COLOR] = A_NORMAL,
[TASKS_RUNNING] = A_BOLD,
[PROCESS] = A_NORMAL,
[PROCESS_SHADOW] = A_DIM,
[PROCESS_TAG] = A_BOLD,
[PROCESS_MEGABYTES] = A_BOLD,
[PROCESS_GIGABYTES] = A_BOLD,
[PROCESS_BASENAME] = A_BOLD,
[PROCESS_TREE] = A_BOLD,
[PROCESS_RUN_STATE] = A_BOLD,
[PROCESS_D_STATE] = A_BOLD,
[PROCESS_HIGH_PRIORITY] = A_BOLD,
[PROCESS_LOW_PRIORITY] = A_DIM,
[PROCESS_NEW] = A_BOLD,
[PROCESS_TOMB] = A_DIM,
[PROCESS_THREAD] = A_BOLD,
[PROCESS_THREAD_BASENAME] = A_REVERSE,
[PROCESS_COMM] = A_BOLD,
[PROCESS_THREAD_COMM] = A_REVERSE,
[BAR_BORDER] = A_BOLD,
[BAR_SHADOW] = A_DIM,
[SWAP] = A_BOLD,
[SWAP_CACHE] = A_NORMAL,
[GRAPH_1] = A_BOLD,
[GRAPH_2] = A_NORMAL,
[MEMORY_USED] = A_BOLD,
[MEMORY_BUFFERS] = A_NORMAL,
[MEMORY_BUFFERS_TEXT] = A_NORMAL,
[MEMORY_CACHE] = A_NORMAL,
[MEMORY_SHARED] = A_NORMAL,
[HUGEPAGE_1] = A_BOLD,
[HUGEPAGE_2] = A_NORMAL,
[HUGEPAGE_3] = A_REVERSE | A_BOLD,
[HUGEPAGE_4] = A_REVERSE,
[LOAD_AVERAGE_FIFTEEN] = A_DIM,
[LOAD_AVERAGE_FIVE] = A_NORMAL,
[LOAD_AVERAGE_ONE] = A_BOLD,
[LOAD] = A_BOLD,
[HELP_BOLD] = A_BOLD,
[HELP_SHADOW] = A_DIM,
[CLOCK] = A_BOLD,
[DATE] = A_BOLD,
[DATETIME] = A_BOLD,
[CHECK_BOX] = A_BOLD,
[CHECK_MARK] = A_NORMAL,
[CHECK_TEXT] = A_NORMAL,
[HOSTNAME] = A_BOLD,
[CPU_NICE] = A_NORMAL,
[CPU_NICE_TEXT] = A_NORMAL,
[CPU_NORMAL] = A_BOLD,
[CPU_SYSTEM] = A_BOLD,
[CPU_IOWAIT] = A_NORMAL,
[CPU_IRQ] = A_BOLD,
[CPU_SOFTIRQ] = A_BOLD,
[CPU_STEAL] = A_DIM,
[CPU_GUEST] = A_DIM,
[PANEL_EDIT] = A_BOLD,
[SCREENS_OTH_BORDER] = A_DIM,
[SCREENS_OTH_TEXT] = A_DIM,
[SCREENS_CUR_BORDER] = A_REVERSE,
[SCREENS_CUR_TEXT] = A_REVERSE,
[PRESSURE_STALL_THREEHUNDRED] = A_DIM,
[PRESSURE_STALL_SIXTY] = A_NORMAL,
[PRESSURE_STALL_TEN] = A_BOLD,
[ZFS_MFU] = A_NORMAL,
[ZFS_MRU] = A_NORMAL,
[ZFS_ANON] = A_DIM,
[ZFS_HEADER] = A_BOLD,
[ZFS_OTHER] = A_DIM,
[ZFS_COMPRESSED] = A_BOLD,
[ZFS_RATIO] = A_BOLD,
[ZRAM] = A_NORMAL,
[DYNAMIC_GRAY] = A_DIM,
[DYNAMIC_DARKGRAY] = A_DIM,
[DYNAMIC_RED] = A_BOLD,
[DYNAMIC_GREEN] = A_NORMAL,
[DYNAMIC_BLUE] = A_NORMAL,
[DYNAMIC_CYAN] = A_BOLD,
[DYNAMIC_MAGENTA] = A_NORMAL,
[DYNAMIC_YELLOW] = A_NORMAL,
[DYNAMIC_WHITE] = A_BOLD,
},
[COLORSCHEME_BLACKONWHITE] = {
[RESET_COLOR] = ColorPair(Black, White),
[DEFAULT_COLOR] = ColorPair(Black, White),
[FUNCTION_BAR] = ColorPair(Black, Cyan),
[FUNCTION_KEY] = ColorPair(Black, White),
[PANEL_HEADER_FOCUS] = ColorPair(Black, Green),
[PANEL_HEADER_UNFOCUS] = ColorPair(Black, Green),
[PANEL_SELECTION_FOCUS] = ColorPair(Black, Cyan),
[PANEL_SELECTION_FOLLOW] = ColorPair(Black, Yellow),
[PANEL_SELECTION_UNFOCUS] = ColorPair(Blue, White),
[FAILED_SEARCH] = ColorPair(Red, Cyan),
[FAILED_READ] = ColorPair(Red, White),
[PAUSED] = A_BOLD | ColorPair(Yellow, Cyan),
[UPTIME] = ColorPair(Yellow, White),
[BATTERY] = ColorPair(Yellow, White),
[LARGE_NUMBER] = ColorPair(Red, White),
[METER_SHADOW] = ColorPair(Blue, White),
[METER_TEXT] = ColorPair(Blue, White),
[METER_VALUE] = ColorPair(Black, White),
[METER_VALUE_ERROR] = A_BOLD | ColorPair(Red, White),
[METER_VALUE_IOREAD] = ColorPair(Green, White),
[METER_VALUE_IOWRITE] = ColorPair(Yellow, White),
[METER_VALUE_NOTICE] = A_BOLD | ColorPair(Yellow, White),
[METER_VALUE_OK] = ColorPair(Green, White),
[METER_VALUE_WARN] = A_BOLD | ColorPair(Yellow, White),
[LED_COLOR] = ColorPair(Green, White),
[TASKS_RUNNING] = ColorPair(Green, White),
[PROCESS] = ColorPair(Black, White),
[PROCESS_SHADOW] = A_BOLD | ColorPair(Black, White),
[PROCESS_TAG] = ColorPair(White, Blue),
[PROCESS_MEGABYTES] = ColorPair(Blue, White),
[PROCESS_GIGABYTES] = ColorPair(Green, White),
[PROCESS_BASENAME] = ColorPair(Blue, White),
[PROCESS_TREE] = ColorPair(Green, White),
[PROCESS_RUN_STATE] = ColorPair(Green, White),
[PROCESS_D_STATE] = A_BOLD | ColorPair(Red, White),
[PROCESS_HIGH_PRIORITY] = ColorPair(Red, White),
[PROCESS_LOW_PRIORITY] = ColorPair(Green, White),
[PROCESS_NEW] = ColorPair(White, Green),
[PROCESS_TOMB] = ColorPair(White, Red),
[PROCESS_THREAD] = ColorPair(Blue, White),
[PROCESS_THREAD_BASENAME] = A_BOLD | ColorPair(Blue, White),
[PROCESS_COMM] = ColorPair(Magenta, White),
[PROCESS_THREAD_COMM] = ColorPair(Green, White),
[BAR_BORDER] = ColorPair(Blue, White),
[BAR_SHADOW] = ColorPair(Black, White),
[SWAP] = ColorPair(Red, White),
[SWAP_CACHE] = ColorPair(Yellow, White),
[GRAPH_1] = A_BOLD | ColorPair(Blue, White),
[GRAPH_2] = ColorPair(Blue, White),
[MEMORY_USED] = ColorPair(Green, White),
[MEMORY_BUFFERS] = ColorPair(Cyan, White),
[MEMORY_BUFFERS_TEXT] = ColorPair(Cyan, White),
[MEMORY_CACHE] = ColorPair(Yellow, White),
[MEMORY_SHARED] = ColorPair(Magenta, White),
[HUGEPAGE_1] = ColorPair(Green, White),
[HUGEPAGE_2] = ColorPair(Yellow, White),
[HUGEPAGE_3] = ColorPair(Red, White),
[HUGEPAGE_4] = ColorPair(Blue, White),
[LOAD_AVERAGE_FIFTEEN] = ColorPair(Black, White),
[LOAD_AVERAGE_FIVE] = ColorPair(Black, White),
[LOAD_AVERAGE_ONE] = ColorPair(Black, White),
[LOAD] = ColorPair(Black, White),
[HELP_BOLD] = ColorPair(Blue, White),
[HELP_SHADOW] = A_BOLD | ColorPair(Black, White),
[CLOCK] = ColorPair(Black, White),
[DATE] = ColorPair(Black, White),
[DATETIME] = ColorPair(Black, White),
[CHECK_BOX] = ColorPair(Blue, White),
[CHECK_MARK] = ColorPair(Black, White),
[CHECK_TEXT] = ColorPair(Black, White),
[HOSTNAME] = ColorPair(Black, White),
[CPU_NICE] = ColorPair(Cyan, White),
[CPU_NICE_TEXT] = ColorPair(Cyan, White),
[CPU_NORMAL] = ColorPair(Green, White),
[CPU_SYSTEM] = ColorPair(Red, White),
[CPU_IOWAIT] = A_BOLD | ColorPair(Black, White),
[CPU_IRQ] = ColorPair(Blue, White),
[CPU_SOFTIRQ] = ColorPair(Blue, White),
[CPU_STEAL] = ColorPair(Cyan, White),
[CPU_GUEST] = ColorPair(Cyan, White),
[PANEL_EDIT] = ColorPair(White,Blue),
[SCREENS_OTH_BORDER] = A_BOLD | ColorPair(Black,White),
[SCREENS_OTH_TEXT] = A_BOLD | ColorPair(Black,White),
[SCREENS_CUR_BORDER] = ColorPair(Green,Green),
[SCREENS_CUR_TEXT] = ColorPair(Black,Green),
[PRESSURE_STALL_THREEHUNDRED] = ColorPair(Black, White),
[PRESSURE_STALL_SIXTY] = ColorPair(Black, White),
[PRESSURE_STALL_TEN] = ColorPair(Black, White),
[ZFS_MFU] = ColorPair(Cyan, White),
[ZFS_MRU] = ColorPair(Yellow, White),
[ZFS_ANON] = ColorPair(Magenta, White),
[ZFS_HEADER] = ColorPair(Yellow, White),
[ZFS_OTHER] = ColorPair(Magenta, White),
[ZFS_COMPRESSED] = ColorPair(Cyan, White),
[ZFS_RATIO] = ColorPair(Magenta, White),
[ZRAM] = ColorPair(Yellow, White),
[DYNAMIC_GRAY] = ColorPair(Black, White),
[DYNAMIC_DARKGRAY] = A_BOLD | ColorPair(Black, White),
[DYNAMIC_RED] = ColorPair(Red, White),
[DYNAMIC_GREEN] = ColorPair(Green, White),
[DYNAMIC_BLUE] = ColorPair(Blue, White),
[DYNAMIC_CYAN] = ColorPair(Yellow, White),
[DYNAMIC_MAGENTA] = ColorPair(Magenta, White),
[DYNAMIC_YELLOW] = ColorPair(Yellow, White),
[DYNAMIC_WHITE] = A_BOLD | ColorPair(Black, White),
},
[COLORSCHEME_LIGHTTERMINAL] = {
[RESET_COLOR] = ColorPair(Black, Black),
[DEFAULT_COLOR] = ColorPair(Black, Black),
[FUNCTION_BAR] = ColorPair(Black, Cyan),
[FUNCTION_KEY] = ColorPair(Black, Black),
[PANEL_HEADER_FOCUS] = ColorPair(Black, Green),
[PANEL_HEADER_UNFOCUS] = ColorPair(Black, Green),
[PANEL_SELECTION_FOCUS] = ColorPair(Black, Cyan),
[PANEL_SELECTION_FOLLOW] = ColorPair(Black, Yellow),
[PANEL_SELECTION_UNFOCUS] = ColorPair(Blue, Black),
[FAILED_SEARCH] = ColorPair(Red, Cyan),
[FAILED_READ] = ColorPair(Red, Black),
[PAUSED] = A_BOLD | ColorPair(Yellow, Cyan),
[UPTIME] = ColorPair(Yellow, Black),
[BATTERY] = ColorPair(Yellow, Black),
[LARGE_NUMBER] = ColorPair(Red, Black),
[METER_SHADOW] = A_BOLD | ColorPairGrayBlack,
[METER_TEXT] = ColorPair(Blue, Black),
[METER_VALUE] = ColorPair(Black, Black),
[METER_VALUE_ERROR] = A_BOLD | ColorPair(Red, Black),
[METER_VALUE_IOREAD] = ColorPair(Green, Black),
[METER_VALUE_IOWRITE] = ColorPair(Yellow, Black),
[METER_VALUE_NOTICE] = A_BOLD | ColorPairWhiteDefault,
[METER_VALUE_OK] = ColorPair(Green, Black),
[METER_VALUE_WARN] = A_BOLD | ColorPair(Yellow, Black),
[LED_COLOR] = ColorPair(Green, Black),
[TASKS_RUNNING] = ColorPair(Green, Black),
[PROCESS] = ColorPair(Black, Black),
[PROCESS_SHADOW] = A_BOLD | ColorPairGrayBlack,
[PROCESS_TAG] = ColorPair(White, Blue),
[PROCESS_MEGABYTES] = ColorPair(Blue, Black),
[PROCESS_GIGABYTES] = ColorPair(Green, Black),
[PROCESS_BASENAME] = ColorPair(Green, Black),
[PROCESS_TREE] = ColorPair(Blue, Black),
[PROCESS_RUN_STATE] = ColorPair(Green, Black),
[PROCESS_D_STATE] = A_BOLD | ColorPair(Red, Black),
[PROCESS_HIGH_PRIORITY] = ColorPair(Red, Black),
[PROCESS_LOW_PRIORITY] = ColorPair(Green, Black),
[PROCESS_NEW] = ColorPair(Black, Green),
[PROCESS_TOMB] = ColorPair(Black, Red),
[PROCESS_THREAD] = ColorPair(Blue, Black),
[PROCESS_THREAD_BASENAME] = A_BOLD | ColorPair(Blue, Black),
[PROCESS_COMM] = ColorPair(Magenta, Black),
[PROCESS_THREAD_COMM] = ColorPair(Yellow, Black),
[BAR_BORDER] = ColorPair(Blue, Black),
[BAR_SHADOW] = ColorPairGrayBlack,
[SWAP] = ColorPair(Red, Black),
[SWAP_CACHE] = ColorPair(Yellow, Black),
[GRAPH_1] = A_BOLD | ColorPair(Cyan, Black),
[GRAPH_2] = ColorPair(Cyan, Black),
[MEMORY_USED] = ColorPair(Green, Black),
[MEMORY_BUFFERS] = ColorPair(Cyan, Black),
[MEMORY_BUFFERS_TEXT] = ColorPair(Cyan, Black),
[MEMORY_CACHE] = ColorPair(Yellow, Black),
[MEMORY_SHARED] = ColorPair(Magenta, Black),
[HUGEPAGE_1] = ColorPair(Green, Black),
[HUGEPAGE_2] = ColorPair(Yellow, Black),
[HUGEPAGE_3] = ColorPair(Red, Black),
[HUGEPAGE_4] = ColorPair(Blue, Black),
[LOAD_AVERAGE_FIFTEEN] = ColorPair(Black, Black),
[LOAD_AVERAGE_FIVE] = ColorPair(Black, Black),
[LOAD_AVERAGE_ONE] = ColorPair(Black, Black),
[LOAD] = ColorPairWhiteDefault,
[HELP_BOLD] = ColorPair(Blue, Black),
[HELP_SHADOW] = A_BOLD | ColorPairGrayBlack,
[CLOCK] = ColorPairWhiteDefault,
[DATE] = ColorPairWhiteDefault,
[DATETIME] = ColorPairWhiteDefault,
[CHECK_BOX] = ColorPair(Blue, Black),
[CHECK_MARK] = ColorPair(Black, Black),
[CHECK_TEXT] = ColorPair(Black, Black),
[HOSTNAME] = ColorPairWhiteDefault,
[CPU_NICE] = ColorPair(Cyan, Black),
[CPU_NICE_TEXT] = ColorPair(Cyan, Black),
[CPU_NORMAL] = ColorPair(Green, Black),
[CPU_SYSTEM] = ColorPair(Red, Black),
[CPU_IOWAIT] = A_BOLD | ColorPair(Black, Black),
[CPU_IRQ] = A_BOLD | ColorPair(Blue, Black),
[CPU_SOFTIRQ] = ColorPair(Blue, Black),
[CPU_STEAL] = ColorPair(Black, Black),
[CPU_GUEST] = ColorPair(Black, Black),
[PANEL_EDIT] = ColorPair(White,Blue),
[SCREENS_OTH_BORDER] = ColorPair(Blue,Black),
[SCREENS_OTH_TEXT] = ColorPair(Blue,Black),
[SCREENS_CUR_BORDER] = ColorPair(Green,Green),
[SCREENS_CUR_TEXT] = ColorPair(Black,Green),
[PRESSURE_STALL_THREEHUNDRED] = ColorPair(Black, Black),
[PRESSURE_STALL_SIXTY] = ColorPair(Black, Black),
[PRESSURE_STALL_TEN] = ColorPair(Black, Black),
[ZFS_MFU] = ColorPair(Cyan, Black),
[ZFS_MRU] = ColorPair(Yellow, Black),
[ZFS_ANON] = A_BOLD | ColorPair(Magenta, Black),
[ZFS_HEADER] = ColorPair(Black, Black),
[ZFS_OTHER] = A_BOLD | ColorPair(Magenta, Black),
[ZFS_COMPRESSED] = ColorPair(Cyan, Black),
[ZFS_RATIO] = A_BOLD | ColorPair(Magenta, Black),
[ZRAM] = ColorPair(Yellow, Black),
[DYNAMIC_GRAY] = ColorPairGrayBlack,
[DYNAMIC_DARKGRAY] = A_BOLD | ColorPairGrayBlack,
[DYNAMIC_RED] = ColorPair(Red, Black),
[DYNAMIC_GREEN] = ColorPair(Green, Black),
[DYNAMIC_BLUE] = ColorPair(Blue, Black),
[DYNAMIC_CYAN] = ColorPair(Cyan, Black),
[DYNAMIC_MAGENTA] = ColorPair(Magenta, Black),
[DYNAMIC_YELLOW] = ColorPair(Yellow, Black),
[DYNAMIC_WHITE] = ColorPairWhiteDefault,
},
[COLORSCHEME_MIDNIGHT] = {
[RESET_COLOR] = ColorPair(White, Blue),
[DEFAULT_COLOR] = ColorPair(White, Blue),
[FUNCTION_BAR] = ColorPair(Black, Cyan),
[FUNCTION_KEY] = A_NORMAL,
[PANEL_HEADER_FOCUS] = ColorPair(Black, Cyan),
[PANEL_HEADER_UNFOCUS] = ColorPair(Black, Cyan),
[PANEL_SELECTION_FOCUS] = ColorPair(Black, White),
[PANEL_SELECTION_FOLLOW] = ColorPair(Black, Yellow),
[PANEL_SELECTION_UNFOCUS] = A_BOLD | ColorPair(Yellow, Blue),
[FAILED_SEARCH] = ColorPair(Red, Cyan),
[FAILED_READ] = A_BOLD | ColorPair(Red, Blue),
[PAUSED] = A_BOLD | ColorPair(Yellow, Cyan),
[UPTIME] = A_BOLD | ColorPair(Yellow, Blue),
[BATTERY] = A_BOLD | ColorPair(Yellow, Blue),
[LARGE_NUMBER] = A_BOLD | ColorPair(Red, Blue),
[METER_SHADOW] = ColorPair(Cyan, Blue),
[METER_TEXT] = ColorPair(Cyan, Blue),
[METER_VALUE] = A_BOLD | ColorPair(Cyan, Blue),
[METER_VALUE_ERROR] = A_BOLD | ColorPair(Red, Blue),
[METER_VALUE_IOREAD] = ColorPair(Green, Blue),
[METER_VALUE_IOWRITE] = ColorPair(Black, Blue),
[METER_VALUE_NOTICE] = A_BOLD | ColorPair(White, Blue),
[METER_VALUE_OK] = ColorPair(Green, Blue),
[METER_VALUE_WARN] = A_BOLD | ColorPair(Yellow, Black),
[LED_COLOR] = ColorPair(Green, Blue),
[TASKS_RUNNING] = A_BOLD | ColorPair(Green, Blue),
[PROCESS] = ColorPair(White, Blue),
[PROCESS_SHADOW] = A_BOLD | ColorPair(Black, Blue),
[PROCESS_TAG] = A_BOLD | ColorPair(Yellow, Blue),
[PROCESS_MEGABYTES] = ColorPair(Cyan, Blue),
[PROCESS_GIGABYTES] = ColorPair(Green, Blue),
[PROCESS_BASENAME] = A_BOLD | ColorPair(Cyan, Blue),
[PROCESS_TREE] = ColorPair(Cyan, Blue),
[PROCESS_RUN_STATE] = ColorPair(Green, Blue),
[PROCESS_D_STATE] = A_BOLD | ColorPair(Red, Blue),
[PROCESS_HIGH_PRIORITY] = ColorPair(Red, Blue),
[PROCESS_LOW_PRIORITY] = ColorPair(Green, Blue),
[PROCESS_NEW] = ColorPair(Blue, Green),
[PROCESS_TOMB] = ColorPair(Blue, Red),
[PROCESS_THREAD] = ColorPair(Green, Blue),
[PROCESS_THREAD_BASENAME] = A_BOLD | ColorPair(Green, Blue),
[PROCESS_COMM] = ColorPair(Magenta, Blue),
[PROCESS_THREAD_COMM] = ColorPair(Black, Blue),
[BAR_BORDER] = A_BOLD | ColorPair(Yellow, Blue),
[BAR_SHADOW] = ColorPair(Cyan, Blue),
[SWAP] = ColorPair(Red, Blue),
[SWAP_CACHE] = A_BOLD | ColorPair(Yellow, Blue),
[GRAPH_1] = A_BOLD | ColorPair(Cyan, Blue),
[GRAPH_2] = ColorPair(Cyan, Blue),
[MEMORY_USED] = A_BOLD | ColorPair(Green, Blue),
[MEMORY_BUFFERS] = A_BOLD | ColorPair(Cyan, Blue),
[MEMORY_BUFFERS_TEXT] = A_BOLD | ColorPair(Cyan, Blue),
[MEMORY_CACHE] = A_BOLD | ColorPair(Yellow, Blue),
[MEMORY_SHARED] = A_BOLD | ColorPair(Magenta, Blue),
[HUGEPAGE_1] = A_BOLD | ColorPair(Green, Blue),
[HUGEPAGE_2] = A_BOLD | ColorPair(Yellow, Blue),
[HUGEPAGE_3] = A_BOLD | ColorPair(Red, Blue),
[HUGEPAGE_4] = A_BOLD | ColorPair(White, Blue),
[LOAD_AVERAGE_FIFTEEN] = A_BOLD | ColorPair(Black, Blue),
[LOAD_AVERAGE_FIVE] = A_NORMAL | ColorPair(White, Blue),
[LOAD_AVERAGE_ONE] = A_BOLD | ColorPair(White, Blue),
[LOAD] = A_BOLD | ColorPair(White, Blue),
[HELP_BOLD] = A_BOLD | ColorPair(Cyan, Blue),
[HELP_SHADOW] = A_BOLD | ColorPair(Black, Blue),
[CLOCK] = ColorPair(White, Blue),
[DATE] = ColorPair(White, Blue),
[DATETIME] = ColorPair(White, Blue),
[CHECK_BOX] = ColorPair(Cyan, Blue),
[CHECK_MARK] = A_BOLD | ColorPair(White, Blue),
[CHECK_TEXT] = A_NORMAL | ColorPair(White, Blue),
[HOSTNAME] = ColorPair(White, Blue),
[CPU_NICE] = A_BOLD | ColorPair(Cyan, Blue),
[CPU_NICE_TEXT] = A_BOLD | ColorPair(Cyan, Blue),
[CPU_NORMAL] = A_BOLD | ColorPair(Green, Blue),
[CPU_SYSTEM] = A_BOLD | ColorPair(Red, Blue),
[CPU_IOWAIT] = A_BOLD | ColorPair(Black, Blue),
[CPU_IRQ] = A_BOLD | ColorPair(Black, Blue),
[CPU_SOFTIRQ] = ColorPair(Black, Blue),
[CPU_STEAL] = ColorPair(White, Blue),
[CPU_GUEST] = ColorPair(White, Blue),
[PANEL_EDIT] = ColorPair(White,Blue),
[SCREENS_OTH_BORDER] = A_BOLD | ColorPair(Yellow,Blue),
[SCREENS_OTH_TEXT] = ColorPair(Cyan,Blue),
[SCREENS_CUR_BORDER] = ColorPair(Cyan,Cyan),
[SCREENS_CUR_TEXT] = ColorPair(Black,Cyan),
[PRESSURE_STALL_THREEHUNDRED] = A_BOLD | ColorPair(Black, Blue),
[PRESSURE_STALL_SIXTY] = A_NORMAL | ColorPair(White, Blue),
[PRESSURE_STALL_TEN] = A_BOLD | ColorPair(White, Blue),
[ZFS_MFU] = A_BOLD | ColorPair(White, Blue),
[ZFS_MRU] = A_BOLD | ColorPair(Yellow, Blue),
[ZFS_ANON] = A_BOLD | ColorPair(Magenta, Blue),
[ZFS_HEADER] = A_BOLD | ColorPair(Yellow, Blue),
[ZFS_OTHER] = A_BOLD | ColorPair(Magenta, Blue),
[ZFS_COMPRESSED] = A_BOLD | ColorPair(White, Blue),
[ZFS_RATIO] = A_BOLD | ColorPair(Magenta, Blue),
[ZRAM] = A_BOLD | ColorPair(Yellow, Blue),
[DYNAMIC_GRAY] = ColorPairGrayBlack,
[DYNAMIC_DARKGRAY] = A_BOLD | ColorPairGrayBlack,
[DYNAMIC_RED] = ColorPair(Red, Blue),
[DYNAMIC_GREEN] = ColorPair(Green, Blue),
[DYNAMIC_BLUE] = ColorPair(Black, Blue),
[DYNAMIC_CYAN] = ColorPair(Cyan, Blue),
[DYNAMIC_MAGENTA] = ColorPair(Magenta, Blue),
[DYNAMIC_YELLOW] = ColorPair(Yellow, Blue),
[DYNAMIC_WHITE] = ColorPair(White, Blue),
},
[COLORSCHEME_BLACKNIGHT] = {
[RESET_COLOR] = ColorPair(Cyan, Black),
[DEFAULT_COLOR] = ColorPair(Cyan, Black),
[FUNCTION_BAR] = ColorPair(Black, Green),
[FUNCTION_KEY] = ColorPair(Cyan, Black),
[PANEL_HEADER_FOCUS] = ColorPair(Black, Green),
[PANEL_HEADER_UNFOCUS] = ColorPair(Black, Green),
[PANEL_SELECTION_FOCUS] = ColorPair(Black, Cyan),
[PANEL_SELECTION_FOLLOW] = ColorPair(Black, Yellow),
[PANEL_SELECTION_UNFOCUS] = ColorPair(Black, White),
[FAILED_SEARCH] = ColorPair(Red, Green),
[FAILED_READ] = A_BOLD | ColorPair(Red, Black),
[PAUSED] = A_BOLD | ColorPair(Yellow, Green),
[UPTIME] = ColorPair(Green, Black),
[BATTERY] = ColorPair(Green, Black),
[LARGE_NUMBER] = A_BOLD | ColorPair(Red, Black),
[METER_SHADOW] = A_BOLD | ColorPairGrayBlack,
[METER_TEXT] = ColorPair(Cyan, Black),
[METER_VALUE] = ColorPair(Green, Black),
[METER_VALUE_ERROR] = A_BOLD | ColorPair(Red, Black),
[METER_VALUE_IOREAD] = ColorPair(Green, Black),
[METER_VALUE_IOWRITE] = ColorPair(Blue, Black),
[METER_VALUE_NOTICE] = A_BOLD | ColorPair(White, Black),
[METER_VALUE_OK] = ColorPair(Green, Black),
[METER_VALUE_WARN] = A_BOLD | ColorPair(Yellow, Black),
[LED_COLOR] = ColorPair(Green, Black),
[TASKS_RUNNING] = A_BOLD | ColorPair(Green, Black),
[PROCESS] = ColorPair(Cyan, Black),
[PROCESS_SHADOW] = A_BOLD | ColorPairGrayBlack,
[PROCESS_TAG] = A_BOLD | ColorPair(Yellow, Black),
[PROCESS_MEGABYTES] = A_BOLD | ColorPair(Green, Black),
[PROCESS_GIGABYTES] = A_BOLD | ColorPair(Yellow, Black),
[PROCESS_BASENAME] = A_BOLD | ColorPair(Green, Black),
[PROCESS_TREE] = ColorPair(Cyan, Black),
[PROCESS_THREAD] = ColorPair(Green, Black),
[PROCESS_THREAD_BASENAME] = A_BOLD | ColorPair(Blue, Black),
[PROCESS_COMM] = ColorPair(Magenta, Black),
[PROCESS_THREAD_COMM] = ColorPair(Yellow, Black),
[PROCESS_RUN_STATE] = ColorPair(Green, Black),
[PROCESS_D_STATE] = A_BOLD | ColorPair(Red, Black),
[PROCESS_HIGH_PRIORITY] = ColorPair(Red, Black),
[PROCESS_LOW_PRIORITY] = ColorPair(Green, Black),
[PROCESS_NEW] = ColorPair(Black, Green),
[PROCESS_TOMB] = ColorPair(Black, Red),
[BAR_BORDER] = A_BOLD | ColorPair(Green, Black),
[BAR_SHADOW] = ColorPair(Cyan, Black),
[SWAP] = ColorPair(Red, Black),
[SWAP_CACHE] = ColorPair(Yellow, Black),
[GRAPH_1] = A_BOLD | ColorPair(Green, Black),
[GRAPH_2] = ColorPair(Green, Black),
[MEMORY_USED] = ColorPair(Green, Black),
[MEMORY_BUFFERS] = ColorPair(Blue, Black),
[MEMORY_BUFFERS_TEXT] = A_BOLD | ColorPair(Blue, Black),
[MEMORY_CACHE] = ColorPair(Yellow, Black),
[MEMORY_SHARED] = ColorPair(Magenta, Black),
[HUGEPAGE_1] = ColorPair(Green, Black),
[HUGEPAGE_2] = ColorPair(Yellow, Black),
[HUGEPAGE_3] = ColorPair(Red, Black),
[HUGEPAGE_4] = ColorPair(Blue, Black),
[LOAD_AVERAGE_FIFTEEN] = ColorPair(Green, Black),
[LOAD_AVERAGE_FIVE] = ColorPair(Green, Black),
[LOAD_AVERAGE_ONE] = A_BOLD | ColorPair(Green, Black),
[LOAD] = A_BOLD,
[HELP_BOLD] = A_BOLD | ColorPair(Cyan, Black),
[HELP_SHADOW] = A_BOLD | ColorPairGrayBlack,
[CLOCK] = ColorPair(Green, Black),
[CHECK_BOX] = ColorPair(Green, Black),
[CHECK_MARK] = A_BOLD | ColorPair(Green, Black),
[CHECK_TEXT] = ColorPair(Cyan, Black),
[HOSTNAME] = ColorPair(Green, Black),
[CPU_NICE] = ColorPair(Blue, Black),
[CPU_NICE_TEXT] = A_BOLD | ColorPair(Blue, Black),
[CPU_NORMAL] = ColorPair(Green, Black),
[CPU_SYSTEM] = ColorPair(Red, Black),
[CPU_IOWAIT] = ColorPair(Yellow, Black),
[CPU_IRQ] = A_BOLD | ColorPair(Blue, Black),
[CPU_SOFTIRQ] = ColorPair(Blue, Black),
[CPU_STEAL] = ColorPair(Cyan, Black),
[CPU_GUEST] = ColorPair(Cyan, Black),
[PANEL_EDIT] = ColorPair(White,Cyan),
[SCREENS_OTH_BORDER] = ColorPair(White,Black),
[SCREENS_OTH_TEXT] = ColorPair(Cyan,Black),
[SCREENS_CUR_BORDER] = A_BOLD | ColorPair(White,Black),
[SCREENS_CUR_TEXT] = A_BOLD | ColorPair(Green,Black),
[PRESSURE_STALL_THREEHUNDRED] = ColorPair(Green, Black),
[PRESSURE_STALL_SIXTY] = ColorPair(Green, Black),
[PRESSURE_STALL_TEN] = A_BOLD | ColorPair(Green, Black),
[ZFS_MFU] = ColorPair(Blue, Black),
[ZFS_MRU] = ColorPair(Yellow, Black),
[ZFS_ANON] = ColorPair(Magenta, Black),
[ZFS_HEADER] = ColorPair(Yellow, Black),
[ZFS_OTHER] = ColorPair(Magenta, Black),
[ZFS_COMPRESSED] = ColorPair(Blue, Black),
[ZFS_RATIO] = ColorPair(Magenta, Black),
[ZRAM] = ColorPair(Yellow, Black),
[DYNAMIC_GRAY] = ColorPairGrayBlack,
[DYNAMIC_DARKGRAY] = A_BOLD | ColorPairGrayBlack,
[DYNAMIC_RED] = ColorPair(Red, Black),
[DYNAMIC_GREEN] = ColorPair(Green, Black),
[DYNAMIC_BLUE] = ColorPair(Blue, Black),
[DYNAMIC_CYAN] = ColorPair(Cyan, Black),
[DYNAMIC_MAGENTA] = ColorPair(Magenta, Black),
[DYNAMIC_YELLOW] = ColorPair(Yellow, Black),
[DYNAMIC_WHITE] = ColorPair(White, Black),
},
[COLORSCHEME_BROKENGRAY] = { 0 } // dynamically generated.
};
int CRT_scrollHAmount = 5;
int CRT_scrollWheelVAmount = 10;
ColorScheme CRT_colorScheme = COLORSCHEME_DEFAULT;
ATTR_NORETURN
static void CRT_handleSIGTERM(ATTR_UNUSED int sgn) {
CRT_done();
_exit(0);
}
#ifndef NDEBUG
static int stderrRedirectNewFd = -1;
static int stderrRedirectBackupFd = -1;
static int createStderrCacheFile(void) {
#if defined(HAVE_MEMFD_CREATE)
return memfd_create("htop.stderr-redirect", 0);
#elif defined(O_TMPFILE)
return open("/tmp", O_TMPFILE | O_CREAT | O_EXCL | O_RDWR, S_IRUSR | S_IWUSR);
#else
char tmpName[] = "htop.stderr-redirectXXXXXX";
mode_t curUmask = umask(S_IXUSR | S_IRWXG | S_IRWXO);
int r = mkstemp(tmpName);
umask(curUmask);
if (r < 0)
return r;
(void) unlink(tmpName);
return r;
#endif /* HAVE_MEMFD_CREATE */
}
static void redirectStderr(void) {
stderrRedirectNewFd = createStderrCacheFile();
if (stderrRedirectNewFd < 0) {
/* ignore failure */
return;
}
stderrRedirectBackupFd = dup(STDERR_FILENO);
dup2(stderrRedirectNewFd, STDERR_FILENO);
}
static void dumpStderr(void) {
if (stderrRedirectNewFd < 0)
return;
fsync(STDERR_FILENO);
dup2(stderrRedirectBackupFd, STDERR_FILENO);
close(stderrRedirectBackupFd);
stderrRedirectBackupFd = -1;
lseek(stderrRedirectNewFd, 0, SEEK_SET);
bool header = false;
char buffer[8192];
for (;;) {
errno = 0;
ssize_t res = read(stderrRedirectNewFd, buffer, sizeof(buffer));
if (res < 0) {
if (errno == EINTR)
continue;
break;
}
if (res == 0) {
break;
}
if (res > 0) {
if (!header) {
fprintf(stderr, ">>>>>>>>>> stderr output >>>>>>>>>>\n");
header = true;
}
full_write(STDERR_FILENO, buffer, res);
}
}
if (header)
fprintf(stderr, "\n<<<<<<<<<< stderr output <<<<<<<<<<\n");
close(stderrRedirectNewFd);
stderrRedirectNewFd = -1;
}
void CRT_debug_impl(const char* file, size_t lineno, const char* func, const char* fmt, ...) {
va_list args;
fprintf(stderr, "[%s:%zu (%s)]: ", file, lineno, func);
va_start(args, fmt);
vfprintf(stderr, fmt, args);
va_end(args);
fprintf(stderr, "\n");
}
#else /* !NDEBUG */
static void redirectStderr(void) {
}
static void dumpStderr(void) {
}
#endif /* !NDEBUG */
static struct sigaction old_sig_handler[32];
static void CRT_installSignalHandlers(void) {
struct sigaction act;
sigemptyset (&act.sa_mask);
act.sa_flags = (int)SA_RESETHAND | SA_NODEFER;
act.sa_handler = CRT_handleSIGSEGV;
sigaction (SIGSEGV, &act, &old_sig_handler[SIGSEGV]);
sigaction (SIGFPE, &act, &old_sig_handler[SIGFPE]);
sigaction (SIGILL, &act, &old_sig_handler[SIGILL]);
sigaction (SIGBUS, &act, &old_sig_handler[SIGBUS]);
sigaction (SIGPIPE, &act, &old_sig_handler[SIGPIPE]);
sigaction (SIGSYS, &act, &old_sig_handler[SIGSYS]);
sigaction (SIGABRT, &act, &old_sig_handler[SIGABRT]);
signal(SIGCHLD, SIG_DFL);
signal(SIGINT, CRT_handleSIGTERM);
signal(SIGTERM, CRT_handleSIGTERM);
signal(SIGQUIT, CRT_handleSIGTERM);
}
void CRT_resetSignalHandlers(void) {
sigaction (SIGSEGV, &old_sig_handler[SIGSEGV], NULL);
sigaction (SIGFPE, &old_sig_handler[SIGFPE], NULL);
sigaction (SIGILL, &old_sig_handler[SIGILL], NULL);
sigaction (SIGBUS, &old_sig_handler[SIGBUS], NULL);
sigaction (SIGPIPE, &old_sig_handler[SIGPIPE], NULL);
sigaction (SIGSYS, &old_sig_handler[SIGSYS], NULL);
sigaction (SIGABRT, &old_sig_handler[SIGABRT], NULL);
signal(SIGINT, SIG_DFL);
signal(SIGTERM, SIG_DFL);
signal(SIGQUIT, SIG_DFL);
}
#ifdef HAVE_GETMOUSE
void CRT_setMouse(bool enabled) {
if (enabled) {
#if NCURSES_MOUSE_VERSION > 1
mousemask(BUTTON1_RELEASED | BUTTON4_PRESSED | BUTTON5_PRESSED, NULL);
#else
mousemask(BUTTON1_RELEASED, NULL);
#endif
} else {
mousemask(0, NULL);
}
}
#endif
void CRT_init(const Settings* settings, bool allowUnicode) {
initscr();
redirectStderr();
noecho();
CRT_crashSettings = settings;
CRT_delay = &(settings->delay);
CRT_colors = CRT_colorSchemes[settings->colorScheme];
CRT_colorScheme = settings->colorScheme;
for (int i = 0; i < LAST_COLORELEMENT; i++) {
unsigned int color = CRT_colorSchemes[COLORSCHEME_DEFAULT][i];
CRT_colorSchemes[COLORSCHEME_BROKENGRAY][i] = color == (A_BOLD | ColorPairGrayBlack) ? ColorPair(White, Black) : color;
}
halfdelay(*CRT_delay);
nonl();
intrflush(stdscr, false);
keypad(stdscr, true);
#ifdef HAVE_GETMOUSE
mouseinterval(0);
#endif
curs_set(0);
if (has_colors()) {
start_color();
}
const char* termType = getenv("TERM");
if (termType && String_eq(termType, "linux")) {
CRT_scrollHAmount = 20;
} else {
CRT_scrollHAmount = 5;
}
if (termType && (String_startsWith(termType, "xterm") || String_eq(termType, "vt220"))) {
#ifdef HTOP_NETBSD
#define define_key(s_, k_) define_key((char*)s_, k_)
IGNORE_WCASTQUAL_BEGIN
#endif
define_key("\033[H", KEY_HOME);
define_key("\033[F", KEY_END);
define_key("\033[7~", KEY_HOME);
define_key("\033[8~", KEY_END);
define_key("\033OP", KEY_F(1));
define_key("\033OQ", KEY_F(2));
define_key("\033OR", KEY_F(3));
define_key("\033OS", KEY_F(4));
define_key("\033O2R", KEY_F(15));
define_key("\033[11~", KEY_F(1));
define_key("\033[12~", KEY_F(2));
define_key("\033[13~", KEY_F(3));
define_key("\033[14~", KEY_F(4));
define_key("\033[14;2~", KEY_F(15));
define_key("\033[17;2~", KEY_F(18));
define_key("\033[Z", KEY_SHIFT_TAB);
char sequence[3] = "\033a";
for (char c = 'a'; c <= 'z'; c++) {
sequence[1] = c;
define_key(sequence, KEY_ALT('A' + (c - 'a')));
}
#ifdef HTOP_NETBSD
IGNORE_WCASTQUAL_END
#undef define_key
#endif
}
if (termType && (String_startsWith(termType, "rxvt"))) {
define_key("\033[Z", KEY_SHIFT_TAB);
}
CRT_installSignalHandlers();
use_default_colors();
if (!has_colors())
CRT_colorScheme = COLORSCHEME_MONOCHROME;
CRT_setColors(CRT_colorScheme);
#ifdef HAVE_LIBNCURSESW
if (allowUnicode && String_eq(nl_langinfo(CODESET), "UTF-8")) {
CRT_utf8 = true;
} else {
CRT_utf8 = false;
}
#else
(void) allowUnicode;