diff options
Diffstat (limited to 'CRT.c')
| -rw-r--r-- | CRT.c | 1222 |
1 files changed, 1222 insertions, 0 deletions
@@ -0,0 +1,1222 @@ +/* +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] = A_BOLD | 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] = A_BOLD | 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] = A_BOLD | 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] = A_BOLD | 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] = A_BOLD | 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] = A_BOLD | 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] = A_BOLD | 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] = A_BOLD | 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; +#endif + + CRT_treeStr = +#ifdef HAVE_LIBNCURSESW + CRT_utf8 ? CRT_treeStrUtf8 : +#endif + CRT_treeStrAscii; + + CRT_setMouse(settings->enableMouse); + + CRT_degreeSign = initDegreeSign(); +} + +void CRT_done(void) { + int resetColor = CRT_colors ? CRT_colors[RESET_COLOR] : CRT_colorSchemes[COLORSCHEME_DEFAULT][RESET_COLOR]; + + attron(resetColor); + mvhline(LINES - 1, 0, ' ', COLS); + attroff(resetColor); + refresh(); + + curs_set(1); + endwin(); + + dumpStderr(); +} + +void CRT_fatalError(const char* note) { + const char* sysMsg = strerror(errno); + CRT_done(); + fprintf(stderr, "%s: %s\n", note, sysMsg); + exit(2); +} + +int CRT_readKey(void) { + nocbreak(); + cbreak(); + nodelay(stdscr, FALSE); + int ret = getch(); + halfdelay(*CRT_delay); + return ret; +} + +void CRT_disableDelay(void) { + nocbreak(); + cbreak(); + nodelay(stdscr, TRUE); +} + +void CRT_enableDelay(void) { + halfdelay(*CRT_delay); +} + +void CRT_setColors(int colorScheme) { + CRT_colorScheme = colorScheme; + + for (short int i = 0; i < 8; i++) { + for (short int j = 0; j < 8; j++) { + if (ColorIndex(i, j) != ColorIndexGrayBlack && ColorIndex(i, j) != ColorIndexWhiteDefault) { + short int bg = (colorScheme != COLORSCHEME_BLACKNIGHT) + ? (j == 0 ? -1 : j) + : j; + init_pair(ColorIndex(i, j), i, bg); + } + } + } + + short int grayBlackFg = COLORS > 8 ? 8 : 0; + short int grayBlackBg = (colorScheme != COLORSCHEME_BLACKNIGHT) ? -1 : 0; + init_pair(ColorIndexGrayBlack, grayBlackFg, grayBlackBg); + + init_pair(ColorIndexWhiteDefault, White, -1); + + CRT_colors = CRT_colorSchemes[colorScheme]; +} + +#ifdef PRINT_BACKTRACE +static void print_backtrace(void) { +#if defined(HAVE_LIBUNWIND_H) && defined(HAVE_LIBUNWIND) + unw_context_t context; + unw_getcontext(&context); + + unw_cursor_t cursor; + unw_init_local(&cursor, &context); + + unsigned int item = 0; + + while (unw_step(&cursor) > 0) { + unw_word_t pc; + unw_get_reg(&cursor, UNW_REG_IP, &pc); + if (pc == 0) + break; + + char symbolName[256] = "?"; + unw_word_t offset = 0; + unw_get_proc_name(&cursor, symbolName, sizeof(symbolName), &offset); + + unw_proc_info_t pip; + pip.unwind_info = 0; + + const char* fname = "?"; + const void* ptr = 0; + if (unw_get_proc_info(&cursor, &pip) == 0) { + ptr = (const void*)(pip.start_ip + offset); + + #ifdef HAVE_DLADDR + Dl_info dlinfo; + if (dladdr(ptr, &dlinfo) && dlinfo.dli_fname && *dlinfo.dli_fname) + fname = dlinfo.dli_fname; + #endif + } + + const char* frame = ""; + if (unw_is_signal_frame(&cursor) > 0) + frame = "{signal frame}"; + + fprintf(stderr, "%2u: %#14lx %s (%s+%#lx) [%p]%s%s\n", item++, pc, fname, symbolName, offset, ptr, frame ? " " : "", frame); + } +#elif defined(HAVE_EXECINFO_H) + void* backtraceArray[256]; + + size_t size = backtrace(backtraceArray, ARRAYSIZE(backtraceArray)); + backtrace_symbols_fd(backtraceArray, size, STDERR_FILENO); +#else +#error No implementation for print_backtrace()! +#endif +} +#endif + +void CRT_handleSIGSEGV(int signal) { + CRT_done(); + + fprintf(stderr, "\n\n" + "FATAL PROGRAM ERROR DETECTED\n" + "============================\n" + "Please check at https://htop.dev/issues whether this issue has already been reported.\n" + "If no similar issue has been reported before, please create a new issue with the following information:\n" + " - Your "PACKAGE" version: '"VERSION"'\n" + " - Your OS and kernel version (uname -a)\n" + " - Your distribution and release (lsb_release -a)\n" + " - Likely steps to reproduce (How did it happen?)\n" + ); + +#ifdef PRINT_BACKTRACE + fprintf(stderr, " - Backtrace of the issue (see below)\n"); +#endif + + fprintf(stderr, + "\n" + ); + + const char* signal_str = strsignal(signal); + if (!signal_str) { + signal_str = "unknown reason"; + } + fprintf(stderr, + "Error information:\n" + "------------------\n" + "A signal %d (%s) was received.\n" + "\n", + signal, signal_str + ); + + fprintf(stderr, + "Setting information:\n" + "--------------------\n"); + Settings_write(CRT_crashSettings, true); + fprintf(stderr, "\n\n"); + +#ifdef PRINT_BACKTRACE + fprintf(stderr, + "Backtrace information:\n" + "----------------------\n" + ); + + print_backtrace(); + + fprintf(stderr, + "\n" + "To make the above information more practical to work with, " + "please also provide a disassembly of your "PACKAGE" binary. " + "This can usually be done by running the following command:\n" + "\n" + ); + +#ifdef HTOP_DARWIN + fprintf(stderr, " otool -tvV `which "PACKAGE"` > ~/htop.otool\n"); +#else + fprintf(stderr, " objdump -d -S -w `which "PACKAGE"` > ~/htop.objdump\n"); +#endif + + fprintf(stderr, + "\n" + "Please include the generated file in your report.\n" + ); +#endif + + fprintf(stderr, + "Running this program with debug symbols or inside a debugger may provide further insights.\n" + "\n" + "Thank you for helping to improve "PACKAGE"!\n" + "\n" + ); + + /* Call old sigsegv handler; may be default exit or third party one (e.g. ASAN) */ + if (sigaction (signal, &old_sig_handler[signal], NULL) < 0) { + /* This avoids an infinite loop in case the handler could not be reset. */ + fprintf(stderr, + "!!! Chained handler could not be restored. Forcing exit.\n" + ); + _exit(1); + } + + /* Trigger the previous signal handler. */ + raise(signal); + + // Always terminate, even if installed handler returns + fprintf(stderr, + "!!! Chained handler did not exit. Forcing exit.\n" + ); + _exit(1); +} |