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-rw-r--r--Process.c1339
1 files changed, 1339 insertions, 0 deletions
diff --git a/Process.c b/Process.c
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+++ b/Process.c
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+/*
+htop - Process.c
+(C) 2004-2015 Hisham H. Muhammad
+(C) 2020 Red Hat, Inc. All Rights Reserved.
+Released under the GNU GPLv2+, see the COPYING file
+in the source distribution for its full text.
+*/
+
+#include "config.h" // IWYU pragma: keep
+
+#include "Process.h"
+
+#include <assert.h>
+#include <limits.h>
+#include <math.h>
+#include <signal.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+#include <sys/resource.h>
+
+#include "CRT.h"
+#include "Macros.h"
+#include "Platform.h"
+#include "ProcessList.h"
+#include "DynamicColumn.h"
+#include "RichString.h"
+#include "Settings.h"
+#include "XUtils.h"
+
+#if defined(MAJOR_IN_MKDEV)
+#include <sys/mkdev.h>
+#endif
+
+
+/* Used to identify kernel threads in Comm and Exe columns */
+static const char* const kthreadID = "KTHREAD";
+
+static uid_t Process_getuid = (uid_t)-1;
+
+int Process_pidDigits = PROCESS_MIN_PID_DIGITS;
+int Process_uidDigits = PROCESS_MIN_UID_DIGITS;
+
+void Process_setupColumnWidths(void) {
+ int maxPid = Platform_getMaxPid();
+ if (maxPid == -1)
+ return;
+
+ if (maxPid < (int)pow(10, PROCESS_MIN_PID_DIGITS)) {
+ Process_pidDigits = PROCESS_MIN_PID_DIGITS;
+ return;
+ }
+
+ Process_pidDigits = (int)log10(maxPid) + 1;
+ assert(Process_pidDigits <= PROCESS_MAX_PID_DIGITS);
+}
+
+void Process_setUidColumnWidth(uid_t maxUid) {
+ if (maxUid < (uid_t)pow(10, PROCESS_MIN_UID_DIGITS)) {
+ Process_uidDigits = PROCESS_MIN_UID_DIGITS;
+ return;
+ }
+
+ Process_uidDigits = (int)log10(maxUid) + 1;
+ assert(Process_uidDigits <= PROCESS_MAX_UID_DIGITS);
+}
+
+void Process_printBytes(RichString* str, unsigned long long number, bool coloring) {
+ char buffer[16];
+ int len;
+
+ int largeNumberColor = coloring ? CRT_colors[LARGE_NUMBER] : CRT_colors[PROCESS];
+ int processMegabytesColor = coloring ? CRT_colors[PROCESS_MEGABYTES] : CRT_colors[PROCESS];
+ int processGigabytesColor = coloring ? CRT_colors[PROCESS_GIGABYTES] : CRT_colors[PROCESS];
+ int shadowColor = coloring ? CRT_colors[PROCESS_SHADOW] : CRT_colors[PROCESS];
+ int processColor = CRT_colors[PROCESS];
+
+ if (number == ULLONG_MAX) {
+ //Invalid number
+ RichString_appendAscii(str, shadowColor, " N/A ");
+ return;
+ }
+
+ number /= ONE_K;
+
+ if (number < 1000) {
+ //Plain number, no markings
+ len = xSnprintf(buffer, sizeof(buffer), "%5llu ", number);
+ RichString_appendnAscii(str, processColor, buffer, len);
+ } else if (number < 100000) {
+ //2 digit MB, 3 digit KB
+ len = xSnprintf(buffer, sizeof(buffer), "%2llu", number / 1000);
+ RichString_appendnAscii(str, processMegabytesColor, buffer, len);
+ number %= 1000;
+ len = xSnprintf(buffer, sizeof(buffer), "%03llu ", number);
+ RichString_appendnAscii(str, processColor, buffer, len);
+ } else if (number < 1000 * ONE_K) {
+ //3 digit MB
+ number /= ONE_K;
+ len = xSnprintf(buffer, sizeof(buffer), "%4lluM ", number);
+ RichString_appendnAscii(str, processMegabytesColor, buffer, len);
+ } else if (number < 10000 * ONE_K) {
+ //1 digit GB, 3 digit MB
+ number /= ONE_K;
+ len = xSnprintf(buffer, sizeof(buffer), "%1llu", number / 1000);
+ RichString_appendnAscii(str, processGigabytesColor, buffer, len);
+ number %= 1000;
+ len = xSnprintf(buffer, sizeof(buffer), "%03lluM ", number);
+ RichString_appendnAscii(str, processMegabytesColor, buffer, len);
+ } else if (number < 100000 * ONE_K) {
+ //2 digit GB, 1 digit MB
+ number /= 100 * ONE_K;
+ len = xSnprintf(buffer, sizeof(buffer), "%2llu", number / 10);
+ RichString_appendnAscii(str, processGigabytesColor, buffer, len);
+ number %= 10;
+ len = xSnprintf(buffer, sizeof(buffer), ".%1llu", number);
+ RichString_appendnAscii(str, processMegabytesColor, buffer, len);
+ RichString_appendAscii(str, processGigabytesColor, "G ");
+ } else if (number < 1000 * ONE_M) {
+ //3 digit GB
+ number /= ONE_M;
+ len = xSnprintf(buffer, sizeof(buffer), "%4lluG ", number);
+ RichString_appendnAscii(str, processGigabytesColor, buffer, len);
+ } else if (number < 10000ULL * ONE_M) {
+ //1 digit TB, 3 digit GB
+ number /= ONE_M;
+ len = xSnprintf(buffer, sizeof(buffer), "%1llu", number / 1000);
+ RichString_appendnAscii(str, largeNumberColor, buffer, len);
+ number %= 1000;
+ len = xSnprintf(buffer, sizeof(buffer), "%03lluG ", number);
+ RichString_appendnAscii(str, processGigabytesColor, buffer, len);
+ } else if (number < 100000 * ONE_M) {
+ //2 digit TB, 1 digit GB
+ number /= 100 * ONE_M;
+ len = xSnprintf(buffer, sizeof(buffer), "%2llu", number / 10);
+ RichString_appendnAscii(str, largeNumberColor, buffer, len);
+ number %= 10;
+ len = xSnprintf(buffer, sizeof(buffer), ".%1llu", number);
+ RichString_appendnAscii(str, processGigabytesColor, buffer, len);
+ RichString_appendAscii(str, largeNumberColor, "T ");
+ } else if (number < 10000ULL * ONE_G) {
+ //3 digit TB or 1 digit PB, 3 digit TB
+ number /= ONE_G;
+ len = xSnprintf(buffer, sizeof(buffer), "%4lluT ", number);
+ RichString_appendnAscii(str, largeNumberColor, buffer, len);
+ } else {
+ //2 digit PB and above
+ len = xSnprintf(buffer, sizeof(buffer), "%4.1lfP ", (double)number / ONE_T);
+ RichString_appendnAscii(str, largeNumberColor, buffer, len);
+ }
+}
+
+void Process_printKBytes(RichString* str, unsigned long long number, bool coloring) {
+ if (number == ULLONG_MAX)
+ Process_printBytes(str, ULLONG_MAX, coloring);
+ else
+ Process_printBytes(str, number * ONE_K, coloring);
+}
+
+void Process_printCount(RichString* str, unsigned long long number, bool coloring) {
+ char buffer[13];
+
+ int largeNumberColor = coloring ? CRT_colors[LARGE_NUMBER] : CRT_colors[PROCESS];
+ int processMegabytesColor = coloring ? CRT_colors[PROCESS_MEGABYTES] : CRT_colors[PROCESS];
+ int processColor = CRT_colors[PROCESS];
+ int processShadowColor = coloring ? CRT_colors[PROCESS_SHADOW] : CRT_colors[PROCESS];
+
+ if (number == ULLONG_MAX) {
+ RichString_appendAscii(str, CRT_colors[PROCESS_SHADOW], " N/A ");
+ } else if (number >= 100000LL * ONE_DECIMAL_T) {
+ xSnprintf(buffer, sizeof(buffer), "%11llu ", number / ONE_DECIMAL_G);
+ RichString_appendnAscii(str, largeNumberColor, buffer, 12);
+ } else if (number >= 100LL * ONE_DECIMAL_T) {
+ xSnprintf(buffer, sizeof(buffer), "%11llu ", number / ONE_DECIMAL_M);
+ RichString_appendnAscii(str, largeNumberColor, buffer, 8);
+ RichString_appendnAscii(str, processMegabytesColor, buffer + 8, 4);
+ } else if (number >= 10LL * ONE_DECIMAL_G) {
+ xSnprintf(buffer, sizeof(buffer), "%11llu ", number / ONE_DECIMAL_K);
+ RichString_appendnAscii(str, largeNumberColor, buffer, 5);
+ RichString_appendnAscii(str, processMegabytesColor, buffer + 5, 3);
+ RichString_appendnAscii(str, processColor, buffer + 8, 4);
+ } else {
+ xSnprintf(buffer, sizeof(buffer), "%11llu ", number);
+ RichString_appendnAscii(str, largeNumberColor, buffer, 2);
+ RichString_appendnAscii(str, processMegabytesColor, buffer + 2, 3);
+ RichString_appendnAscii(str, processColor, buffer + 5, 3);
+ RichString_appendnAscii(str, processShadowColor, buffer + 8, 4);
+ }
+}
+
+void Process_printTime(RichString* str, unsigned long long totalHundredths, bool coloring) {
+ char buffer[10];
+ int len;
+
+ unsigned long long totalSeconds = totalHundredths / 100;
+ unsigned long long hours = totalSeconds / 3600;
+ unsigned long long days = totalSeconds / 86400;
+ int minutes = (totalSeconds / 60) % 60;
+ int seconds = totalSeconds % 60;
+ int hundredths = totalHundredths - (totalSeconds * 100);
+
+ int yearColor = coloring ? CRT_colors[LARGE_NUMBER] : CRT_colors[PROCESS];
+ int dayColor = coloring ? CRT_colors[PROCESS_GIGABYTES] : CRT_colors[PROCESS];
+ int hourColor = coloring ? CRT_colors[PROCESS_MEGABYTES] : CRT_colors[PROCESS];
+ int defColor = CRT_colors[PROCESS];
+
+ if (days >= /* Ignore leapyears */365) {
+ int years = days / 365;
+ int daysLeft = days - 365 * years;
+
+ if (years >= 10000000) {
+ RichString_appendnAscii(str, yearColor, "eternity ", 9);
+ } else if (years >= 1000) {
+ len = xSnprintf(buffer, sizeof(buffer), "%7dy ", years);
+ RichString_appendnAscii(str, yearColor, buffer, len);
+ } else if (daysLeft >= 100) {
+ len = xSnprintf(buffer, sizeof(buffer), "%3dy", years);
+ RichString_appendnAscii(str, yearColor, buffer, len);
+ len = xSnprintf(buffer, sizeof(buffer), "%3dd ", daysLeft);
+ RichString_appendnAscii(str, dayColor, buffer, len);
+ } else if (daysLeft >= 10) {
+ len = xSnprintf(buffer, sizeof(buffer), "%4dy", years);
+ RichString_appendnAscii(str, yearColor, buffer, len);
+ len = xSnprintf(buffer, sizeof(buffer), "%2dd ", daysLeft);
+ RichString_appendnAscii(str, dayColor, buffer, len);
+ } else {
+ len = xSnprintf(buffer, sizeof(buffer), "%5dy", years);
+ RichString_appendnAscii(str, yearColor, buffer, len);
+ len = xSnprintf(buffer, sizeof(buffer), "%1dd ", daysLeft);
+ RichString_appendnAscii(str, dayColor, buffer, len);
+ }
+ } else if (days >= 100) {
+ int hoursLeft = hours - days * 24;
+
+ if (hoursLeft >= 10) {
+ len = xSnprintf(buffer, sizeof(buffer), "%4llud", days);
+ RichString_appendnAscii(str, dayColor, buffer, len);
+ len = xSnprintf(buffer, sizeof(buffer), "%2dh ", hoursLeft);
+ RichString_appendnAscii(str, hourColor, buffer, len);
+ } else {
+ len = xSnprintf(buffer, sizeof(buffer), "%5llud", days);
+ RichString_appendnAscii(str, dayColor, buffer, len);
+ len = xSnprintf(buffer, sizeof(buffer), "%1dh ", hoursLeft);
+ RichString_appendnAscii(str, hourColor, buffer, len);
+ }
+ } else if (hours >= 100) {
+ int minutesLeft = totalSeconds / 60 - hours * 60;
+
+ if (minutesLeft >= 10) {
+ len = xSnprintf(buffer, sizeof(buffer), "%4lluh", hours);
+ RichString_appendnAscii(str, hourColor, buffer, len);
+ len = xSnprintf(buffer, sizeof(buffer), "%2dm ", minutesLeft);
+ RichString_appendnAscii(str, defColor, buffer, len);
+ } else {
+ len = xSnprintf(buffer, sizeof(buffer), "%5lluh", hours);
+ RichString_appendnAscii(str, hourColor, buffer, len);
+ len = xSnprintf(buffer, sizeof(buffer), "%1dm ", minutesLeft);
+ RichString_appendnAscii(str, defColor, buffer, len);
+ }
+ } else if (hours > 0) {
+ len = xSnprintf(buffer, sizeof(buffer), "%2lluh", hours);
+ RichString_appendnAscii(str, hourColor, buffer, len);
+ len = xSnprintf(buffer, sizeof(buffer), "%02d:%02d ", minutes, seconds);
+ RichString_appendnAscii(str, defColor, buffer, len);
+ } else {
+ len = xSnprintf(buffer, sizeof(buffer), "%2d:%02d.%02d ", minutes, seconds, hundredths);
+ RichString_appendnAscii(str, defColor, buffer, len);
+ }
+}
+
+void Process_fillStarttimeBuffer(Process* this) {
+ struct tm date;
+ (void) localtime_r(&this->starttime_ctime, &date);
+ strftime(this->starttime_show, sizeof(this->starttime_show) - 1, (this->starttime_ctime > (time(NULL) - 86400)) ? "%R " : "%b%d ", &date);
+}
+
+/*
+ * TASK_COMM_LEN is defined to be 16 for /proc/[pid]/comm in man proc(5), but it is
+ * not available in an userspace header - so define it.
+ *
+ * Note: This is taken from LINUX headers, but implicitly taken for other platforms
+ * for sake of brevity.
+ *
+ * Note: when colorizing a basename with the comm prefix, the entire basename
+ * (not just the comm prefix) is colorized for better readability, and it is
+ * implicit that only upto (TASK_COMM_LEN - 1) could be comm.
+ */
+#define TASK_COMM_LEN 16
+
+static bool findCommInCmdline(const char* comm, const char* cmdline, int cmdlineBasenameStart, int* pCommStart, int* pCommEnd) {
+ /* Try to find procComm in tokenized cmdline - this might in rare cases
+ * mis-identify a string or fail, if comm or cmdline had been unsuitably
+ * modified by the process */
+ const char* tokenBase;
+ size_t tokenLen;
+ const size_t commLen = strlen(comm);
+
+ if (cmdlineBasenameStart < 0)
+ return false;
+
+ for (const char* token = cmdline + cmdlineBasenameStart; *token;) {
+ for (tokenBase = token; *token && *token != '\n'; ++token) {
+ if (*token == '/') {
+ tokenBase = token + 1;
+ }
+ }
+ tokenLen = token - tokenBase;
+
+ if ((tokenLen == commLen || (tokenLen > commLen && commLen == (TASK_COMM_LEN - 1))) &&
+ strncmp(tokenBase, comm, commLen) == 0) {
+ *pCommStart = tokenBase - cmdline;
+ *pCommEnd = token - cmdline;
+ return true;
+ }
+
+ if (*token) {
+ do {
+ ++token;
+ } while (*token && '\n' == *token);
+ }
+ }
+ return false;
+}
+
+static int matchCmdlinePrefixWithExeSuffix(const char* cmdline, int cmdlineBaseOffset, const char* exe, int exeBaseOffset, int exeBaseLen) {
+ int matchLen; /* matching length to be returned */
+ char delim; /* delimiter following basename */
+
+ /* cmdline prefix is an absolute path: it must match whole exe. */
+ if (cmdline[0] == '/') {
+ matchLen = exeBaseLen + exeBaseOffset;
+ if (strncmp(cmdline, exe, matchLen) == 0) {
+ delim = cmdline[matchLen];
+ if (delim == 0 || delim == '\n' || delim == ' ') {
+ return matchLen;
+ }
+ }
+ return 0;
+ }
+
+ /* cmdline prefix is a relative path: We need to first match the basename at
+ * cmdlineBaseOffset and then reverse match the cmdline prefix with the exe
+ * suffix. But there is a catch: Some processes modify their cmdline in ways
+ * that make htop's identification of the basename in cmdline unreliable.
+ * For e.g. /usr/libexec/gdm-session-worker modifies its cmdline to
+ * "gdm-session-worker [pam/gdm-autologin]" and htop ends up with
+ * proccmdlineBasenameEnd at "gdm-autologin]". This issue could arise with
+ * chrome as well as it stores in cmdline its concatenated argument vector,
+ * without NUL delimiter between the arguments (which may contain a '/')
+ *
+ * So if needed, we adjust cmdlineBaseOffset to the previous (if any)
+ * component of the cmdline relative path, and retry the procedure. */
+ bool delimFound; /* if valid basename delimiter found */
+ do {
+ /* match basename */
+ matchLen = exeBaseLen + cmdlineBaseOffset;
+ if (cmdlineBaseOffset < exeBaseOffset &&
+ strncmp(cmdline + cmdlineBaseOffset, exe + exeBaseOffset, exeBaseLen) == 0) {
+ delim = cmdline[matchLen];
+ if (delim == 0 || delim == '\n' || delim == ' ') {
+ int i, j;
+ /* reverse match the cmdline prefix and exe suffix */
+ for (i = cmdlineBaseOffset - 1, j = exeBaseOffset - 1;
+ i >= 0 && j >= 0 && cmdline[i] == exe[j]; --i, --j)
+ ;
+
+ /* full match, with exe suffix being a valid relative path */
+ if (i < 0 && j >= 0 && exe[j] == '/')
+ return matchLen;
+ }
+ }
+
+ /* Try to find the previous potential cmdlineBaseOffset - it would be
+ * preceded by '/' or nothing, and delimited by ' ' or '\n' */
+ for (delimFound = false, cmdlineBaseOffset -= 2; cmdlineBaseOffset > 0; --cmdlineBaseOffset) {
+ if (delimFound) {
+ if (cmdline[cmdlineBaseOffset - 1] == '/') {
+ break;
+ }
+ } else if (cmdline[cmdlineBaseOffset] == ' ' || cmdline[cmdlineBaseOffset] == '\n') {
+ delimFound = true;
+ }
+ }
+ } while (delimFound);
+
+ return 0;
+}
+
+/* stpcpy, but also converts newlines to spaces */
+static inline char* stpcpyWithNewlineConversion(char* dstStr, const char* srcStr) {
+ for (; *srcStr; ++srcStr) {
+ *dstStr++ = (*srcStr == '\n') ? ' ' : *srcStr;
+ }
+ *dstStr = 0;
+ return dstStr;
+}
+
+/*
+ * This function makes the merged Command string. It also stores the offsets of the
+ * basename, comm w.r.t the merged Command string - these offsets will be used by
+ * Process_writeCommand() for coloring. The merged Command string is also
+ * returned by Process_getCommand() for searching, sorting and filtering.
+ */
+void Process_makeCommandStr(Process* this) {
+ ProcessMergedCommand* mc = &this->mergedCommand;
+ const Settings* settings = this->settings;
+
+ bool showMergedCommand = settings->showMergedCommand;
+ bool showProgramPath = settings->showProgramPath;
+ bool searchCommInCmdline = settings->findCommInCmdline;
+ bool stripExeFromCmdline = settings->stripExeFromCmdline;
+ bool showThreadNames = settings->showThreadNames;
+ bool shadowDistPathPrefix = settings->shadowDistPathPrefix;
+
+ uint64_t settingsStamp = settings->lastUpdate;
+
+ /* Nothing to do to (Re)Generate the Command string, if the process is:
+ * - a kernel thread, or
+ * - a zombie from before being under htop's watch, or
+ * - a user thread and showThreadNames is not set */
+ if (Process_isKernelThread(this))
+ return;
+ if (this->state == ZOMBIE && !this->mergedCommand.str)
+ return;
+
+ /* this->mergedCommand.str needs updating only if its state or contents changed.
+ * Its content is based on the fields cmdline, comm, and exe. */
+ if (mc->lastUpdate >= settingsStamp)
+ return;
+
+ mc->lastUpdate = settingsStamp;
+
+ /* The field separtor "│" has been chosen such that it will not match any
+ * valid string used for searching or filtering */
+ const char* SEPARATOR = CRT_treeStr[TREE_STR_VERT];
+ const int SEPARATOR_LEN = strlen(SEPARATOR);
+
+ /* Accommodate the column text, two field separators and terminating NUL */
+ size_t maxLen = 2 * SEPARATOR_LEN + 1;
+ maxLen += this->cmdline ? strlen(this->cmdline) : strlen("(zombie)");
+ maxLen += this->procComm ? strlen(this->procComm) : 0;
+ maxLen += this->procExe ? strlen(this->procExe) : 0;
+
+ free(mc->str);
+ mc->str = xCalloc(1, maxLen);
+
+ /* Reset all locations that need extra handling when actually displaying */
+ mc->highlightCount = 0;
+ memset(mc->highlights, 0, sizeof(mc->highlights));
+
+ size_t mbMismatch = 0;
+ #define WRITE_HIGHLIGHT(_offset, _length, _attr, _flags) \
+ do { \
+ /* Check if we still have capacity */ \
+ assert(mc->highlightCount < ARRAYSIZE(mc->highlights)); \
+ if (mc->highlightCount >= ARRAYSIZE(mc->highlights)) \
+ break; \
+ \
+ mc->highlights[mc->highlightCount].offset = str - strStart + (_offset) - mbMismatch; \
+ mc->highlights[mc->highlightCount].length = _length; \
+ mc->highlights[mc->highlightCount].attr = _attr; \
+ mc->highlights[mc->highlightCount].flags = _flags; \
+ mc->highlightCount++; \
+ } while (0)
+
+ #define WRITE_SEPARATOR \
+ do { \
+ WRITE_HIGHLIGHT(0, 1, CRT_colors[FAILED_READ], CMDLINE_HIGHLIGHT_FLAG_SEPARATOR); \
+ mbMismatch += SEPARATOR_LEN - 1; \
+ str = stpcpy(str, SEPARATOR); \
+ } while (0)
+
+ #define CHECK_AND_MARK(str_, prefix_) \
+ if (String_startsWith(str_, prefix_)) { \
+ WRITE_HIGHLIGHT(0, strlen(prefix_), CRT_colors[PROCESS_SHADOW], CMDLINE_HIGHLIGHT_FLAG_PREFIXDIR); \
+ break; \
+ } else (void)0
+
+ #define CHECK_AND_MARK_DIST_PATH_PREFIXES(str_) \
+ do { \
+ if ((str_)[0] != '/') { \
+ break; \
+ } \
+ switch ((str_)[1]) { \
+ case 'b': \
+ CHECK_AND_MARK(str_, "/bin/"); \
+ break; \
+ case 'l': \
+ CHECK_AND_MARK(str_, "/lib/"); \
+ CHECK_AND_MARK(str_, "/lib32/"); \
+ CHECK_AND_MARK(str_, "/lib64/"); \
+ CHECK_AND_MARK(str_, "/libx32/"); \
+ break; \
+ case 's': \
+ CHECK_AND_MARK(str_, "/sbin/"); \
+ break; \
+ case 'u': \
+ if (String_startsWith(str_, "/usr/")) { \
+ switch ((str_)[5]) { \
+ case 'b': \
+ CHECK_AND_MARK(str_, "/usr/bin/"); \
+ break; \
+ case 'l': \
+ CHECK_AND_MARK(str_, "/usr/libexec/"); \
+ CHECK_AND_MARK(str_, "/usr/lib/"); \
+ CHECK_AND_MARK(str_, "/usr/lib32/"); \
+ CHECK_AND_MARK(str_, "/usr/lib64/"); \
+ CHECK_AND_MARK(str_, "/usr/libx32/"); \
+ \
+ CHECK_AND_MARK(str_, "/usr/local/bin/"); \
+ CHECK_AND_MARK(str_, "/usr/local/lib/"); \
+ CHECK_AND_MARK(str_, "/usr/local/sbin/"); \
+ break; \
+ case 's': \
+ CHECK_AND_MARK(str_, "/usr/sbin/"); \
+ break; \
+ } \
+ } \
+ break; \
+ } \
+ } while (0)
+
+ const int baseAttr = Process_isThread(this) ? CRT_colors[PROCESS_THREAD_BASENAME] : CRT_colors[PROCESS_BASENAME];
+ const int commAttr = Process_isThread(this) ? CRT_colors[PROCESS_THREAD_COMM] : CRT_colors[PROCESS_COMM];
+ const int delExeAttr = CRT_colors[FAILED_READ];
+ const int delLibAttr = CRT_colors[PROCESS_TAG];
+
+ /* Establish some shortcuts to data we need */
+ const char* cmdline = this->cmdline;
+ const char* procComm = this->procComm;
+ const char* procExe = this->procExe;
+
+ char* strStart = mc->str;
+ char* str = strStart;
+
+ int cmdlineBasenameStart = this->cmdlineBasenameStart;
+ int cmdlineBasenameEnd = this->cmdlineBasenameEnd;
+
+ if (!cmdline) {
+ cmdlineBasenameStart = 0;
+ cmdlineBasenameEnd = 0;
+ cmdline = "(zombie)";
+ }
+
+ assert(cmdlineBasenameStart >= 0);
+ assert(cmdlineBasenameStart <= (int)strlen(cmdline));
+
+ if (!showMergedCommand || !procExe || !procComm) { /* fall back to cmdline */
+ if ((showMergedCommand || (Process_isUserlandThread(this) && showThreadNames)) && procComm && strlen(procComm)) { /* set column to or prefix it with comm */
+ if (strncmp(cmdline + cmdlineBasenameStart, procComm, MINIMUM(TASK_COMM_LEN - 1, strlen(procComm))) != 0) {
+ WRITE_HIGHLIGHT(0, strlen(procComm), commAttr, CMDLINE_HIGHLIGHT_FLAG_COMM);
+ str = stpcpy(str, procComm);
+
+ if (!showMergedCommand)
+ return;
+
+ WRITE_SEPARATOR;
+ }
+ }
+
+ if (shadowDistPathPrefix && showProgramPath)
+ CHECK_AND_MARK_DIST_PATH_PREFIXES(cmdline);
+
+ if (cmdlineBasenameEnd > cmdlineBasenameStart)
+ WRITE_HIGHLIGHT(showProgramPath ? cmdlineBasenameStart : 0, cmdlineBasenameEnd - cmdlineBasenameStart, baseAttr, CMDLINE_HIGHLIGHT_FLAG_BASENAME);
+
+ if (this->procExeDeleted)
+ WRITE_HIGHLIGHT(showProgramPath ? cmdlineBasenameStart : 0, cmdlineBasenameEnd - cmdlineBasenameStart, delExeAttr, CMDLINE_HIGHLIGHT_FLAG_DELETED);
+ else if (this->usesDeletedLib)
+ WRITE_HIGHLIGHT(showProgramPath ? cmdlineBasenameStart : 0, cmdlineBasenameEnd - cmdlineBasenameStart, delLibAttr, CMDLINE_HIGHLIGHT_FLAG_DELETED);
+
+ (void)stpcpyWithNewlineConversion(str, cmdline + (showProgramPath ? 0 : cmdlineBasenameStart));
+
+ return;
+ }
+
+ int exeLen = strlen(this->procExe);
+ int exeBasenameOffset = this->procExeBasenameOffset;
+ int exeBasenameLen = exeLen - exeBasenameOffset;
+
+ assert(exeBasenameOffset >= 0);
+ assert(exeBasenameOffset <= (int)strlen(procExe));
+
+ bool haveCommInExe = false;
+ if (procExe && procComm && (!Process_isUserlandThread(this) || showThreadNames)) {
+ haveCommInExe = strncmp(procExe + exeBasenameOffset, procComm, TASK_COMM_LEN - 1) == 0;
+ }
+
+ /* Start with copying exe */
+ if (showProgramPath) {
+ if (shadowDistPathPrefix)
+ CHECK_AND_MARK_DIST_PATH_PREFIXES(procExe);
+ if (haveCommInExe)
+ WRITE_HIGHLIGHT(exeBasenameOffset, exeBasenameLen, commAttr, CMDLINE_HIGHLIGHT_FLAG_COMM);
+ WRITE_HIGHLIGHT(exeBasenameOffset, exeBasenameLen, baseAttr, CMDLINE_HIGHLIGHT_FLAG_BASENAME);
+ if (this->procExeDeleted)
+ WRITE_HIGHLIGHT(exeBasenameOffset, exeBasenameLen, delExeAttr, CMDLINE_HIGHLIGHT_FLAG_DELETED);
+ else if (this->usesDeletedLib)
+ WRITE_HIGHLIGHT(exeBasenameOffset, exeBasenameLen, delLibAttr, CMDLINE_HIGHLIGHT_FLAG_DELETED);
+ str = stpcpy(str, procExe);
+ } else {
+ if (haveCommInExe)
+ WRITE_HIGHLIGHT(0, exeBasenameLen, commAttr, CMDLINE_HIGHLIGHT_FLAG_COMM);
+ WRITE_HIGHLIGHT(0, exeBasenameLen, baseAttr, CMDLINE_HIGHLIGHT_FLAG_BASENAME);
+ if (this->procExeDeleted)
+ WRITE_HIGHLIGHT(0, exeBasenameLen, delExeAttr, CMDLINE_HIGHLIGHT_FLAG_DELETED);
+ else if (this->usesDeletedLib)
+ WRITE_HIGHLIGHT(0, exeBasenameLen, delLibAttr, CMDLINE_HIGHLIGHT_FLAG_DELETED);
+ str = stpcpy(str, procExe + exeBasenameOffset);
+ }
+
+ bool haveCommInCmdline = false;
+ int commStart = 0;
+ int commEnd = 0;
+
+ /* Try to match procComm with procExe's basename: This is reliable (predictable) */
+ if (searchCommInCmdline) {
+ /* commStart/commEnd will be adjusted later along with cmdline */
+ haveCommInCmdline = (!Process_isUserlandThread(this) || showThreadNames) && findCommInCmdline(procComm, cmdline, cmdlineBasenameStart, &commStart, &commEnd);
+ }
+
+ int matchLen = matchCmdlinePrefixWithExeSuffix(cmdline, cmdlineBasenameStart, procExe, exeBasenameOffset, exeBasenameLen);
+
+ bool haveCommField = false;
+
+ if (!haveCommInExe && !haveCommInCmdline && procComm && (!Process_isUserlandThread(this) || showThreadNames)) {
+ WRITE_SEPARATOR;
+ WRITE_HIGHLIGHT(0, strlen(procComm), commAttr, CMDLINE_HIGHLIGHT_FLAG_COMM);
+ str = stpcpy(str, procComm);
+ haveCommField = true;
+ }
+
+ if (matchLen) {
+ if (stripExeFromCmdline) {
+ /* strip the matched exe prefix */
+ cmdline += matchLen;
+
+ commStart -= matchLen;
+ commEnd -= matchLen;
+ } else {
+ matchLen = 0;
+ }
+ }
+
+ if (!matchLen || (haveCommField && *cmdline)) {
+ /* cmdline will be a separate field */
+ WRITE_SEPARATOR;
+ }
+
+ if (shadowDistPathPrefix)
+ CHECK_AND_MARK_DIST_PATH_PREFIXES(cmdline);
+
+ if (!haveCommInExe && haveCommInCmdline && !haveCommField && (!Process_isUserlandThread(this) || showThreadNames))
+ WRITE_HIGHLIGHT(commStart, commEnd - commStart, commAttr, CMDLINE_HIGHLIGHT_FLAG_COMM);
+
+ /* Display cmdline if it hasn't been consumed by procExe */
+ if (*cmdline)
+ (void)stpcpyWithNewlineConversion(str, cmdline);
+
+ #undef CHECK_AND_MARK_DIST_PATH_PREFIXES
+ #undef CHECK_AND_MARK
+ #undef WRITE_SEPARATOR
+ #undef WRITE_HIGHLIGHT
+}
+
+void Process_writeCommand(const Process* this, int attr, int baseAttr, RichString* str) {
+ (void)baseAttr;
+
+ const ProcessMergedCommand* mc = &this->mergedCommand;
+ const char* mergedCommand = mc->str;
+
+ int strStart = RichString_size(str);
+
+ const bool highlightBaseName = this->settings->highlightBaseName;
+ const bool highlightSeparator = true;
+ const bool highlightDeleted = this->settings->highlightDeletedExe;
+
+ if (!mergedCommand) {
+ int len = 0;
+ const char* cmdline = this->cmdline;
+
+ if (highlightBaseName || !this->settings->showProgramPath) {
+ int basename = 0;
+ for (int i = 0; i < this->cmdlineBasenameEnd; i++) {
+ if (cmdline[i] == '/') {
+ basename = i + 1;
+ } else if (cmdline[i] == ':') {
+ len = i + 1;
+ break;
+ }
+ }
+ if (len == 0) {
+ if (this->settings->showProgramPath) {
+ strStart += basename;
+ } else {
+ cmdline += basename;
+ }
+ len = this->cmdlineBasenameEnd - basename;
+ }
+ }
+
+ RichString_appendWide(str, attr, cmdline);
+
+ if (this->settings->highlightBaseName) {
+ RichString_setAttrn(str, baseAttr, strStart, len);
+ }
+
+ return;
+ }
+
+ RichString_appendWide(str, attr, mergedCommand);
+
+ for (size_t i = 0, hlCount = CLAMP(mc->highlightCount, 0, ARRAYSIZE(mc->highlights)); i < hlCount; i++) {
+ const ProcessCmdlineHighlight* hl = &mc->highlights[i];
+
+ if (!hl->length)
+ continue;
+
+ if (hl->flags & CMDLINE_HIGHLIGHT_FLAG_SEPARATOR)
+ if (!highlightSeparator)
+ continue;
+
+ if (hl->flags & CMDLINE_HIGHLIGHT_FLAG_BASENAME)
+ if (!highlightBaseName)
+ continue;
+
+ if (hl->flags & CMDLINE_HIGHLIGHT_FLAG_DELETED)
+ if (!highlightDeleted)
+ continue;
+
+ if (hl->flags & CMDLINE_HIGHLIGHT_FLAG_PREFIXDIR)
+ if (!highlightDeleted)
+ continue;
+
+ RichString_setAttrn(str, hl->attr, strStart + hl->offset, hl->length);
+ }
+}
+
+void Process_printRate(RichString* str, double rate, bool coloring) {
+ char buffer[16];
+
+ int largeNumberColor = CRT_colors[LARGE_NUMBER];
+ int processMegabytesColor = CRT_colors[PROCESS_MEGABYTES];
+ int processColor = CRT_colors[PROCESS];
+ int shadowColor = CRT_colors[PROCESS_SHADOW];
+
+ if (!coloring) {
+ largeNumberColor = CRT_colors[PROCESS];
+ processMegabytesColor = CRT_colors[PROCESS];
+ }
+
+ if (isnan(rate)) {
+ RichString_appendAscii(str, shadowColor, " N/A ");
+ } else if (rate < 0.005) {
+ int len = snprintf(buffer, sizeof(buffer), "%7.2f B/s ", rate);
+ RichString_appendnAscii(str, shadowColor, buffer, len);
+ } else if (rate < ONE_K) {
+ int len = snprintf(buffer, sizeof(buffer), "%7.2f B/s ", rate);
+ RichString_appendnAscii(str, processColor, buffer, len);
+ } else if (rate < ONE_M) {
+ int len = snprintf(buffer, sizeof(buffer), "%7.2f K/s ", rate / ONE_K);
+ RichString_appendnAscii(str, processColor, buffer, len);
+ } else if (rate < ONE_G) {
+ int len = snprintf(buffer, sizeof(buffer), "%7.2f M/s ", rate / ONE_M);
+ RichString_appendnAscii(str, processMegabytesColor, buffer, len);
+ } else if (rate < ONE_T) {
+ int len = snprintf(buffer, sizeof(buffer), "%7.2f G/s ", rate / ONE_G);
+ RichString_appendnAscii(str, largeNumberColor, buffer, len);
+ } else if (rate < ONE_P) {
+ int len = snprintf(buffer, sizeof(buffer), "%7.2f T/s ", rate / ONE_T);
+ RichString_appendnAscii(str, largeNumberColor, buffer, len);
+ } else {
+ int len = snprintf(buffer, sizeof(buffer), "%7.2f P/s ", rate / ONE_P);
+ RichString_appendnAscii(str, largeNumberColor, buffer, len);
+ }
+}
+
+void Process_printLeftAlignedField(RichString* str, int attr, const char* content, unsigned int width) {
+ int columns = width;
+ RichString_appendnWideColumns(str, attr, content, strlen(content), &columns);
+ RichString_appendChr(str, attr, ' ', width + 1 - columns);
+}
+
+void Process_printPercentage(float val, char* buffer, int n, uint8_t width, int* attr) {
+ if (val >= 0) {
+ if (val < 0.05F)
+ *attr = CRT_colors[PROCESS_SHADOW];
+ else if (val >= 99.9F)
+ *attr = CRT_colors[PROCESS_MEGABYTES];
+
+ int precision = 1;
+
+ // Display "val" as "100" for columns like "MEM%".
+ if (width == 4 && val > 99.9F) {
+ precision = 0;
+ val = 100.0F;
+ }
+
+ xSnprintf(buffer, n, "%*.*f ", width, precision, val);
+ } else {
+ *attr = CRT_colors[PROCESS_SHADOW];
+ xSnprintf(buffer, n, "%*.*s ", width, width, "N/A");
+ }
+}
+
+static inline char processStateChar(ProcessState state) {
+ switch (state) {
+ case UNKNOWN: return '?';
+ case RUNNABLE: return 'U';
+ case RUNNING: return 'R';
+ case QUEUED: return 'Q';
+ case WAITING: return 'W';
+ case UNINTERRUPTIBLE_WAIT: return 'D';
+ case BLOCKED: return 'B';
+ case PAGING: return 'P';
+ case STOPPED: return 'T';
+ case TRACED: return 't';
+ case ZOMBIE: return 'Z';
+ case DEFUNCT: return 'X';
+ case IDLE: return 'I';
+ case SLEEPING: return 'S';
+ default:
+ assert(0);
+ return '!';
+ }
+}
+
+void Process_writeField(const Process* this, RichString* str, ProcessField field) {
+ char buffer[256];
+ size_t n = sizeof(buffer);
+ int attr = CRT_colors[DEFAULT_COLOR];
+ bool coloring = this->settings->highlightMegabytes;
+
+ switch (field) {
+ case COMM: {
+ int baseattr = CRT_colors[PROCESS_BASENAME];
+ if (this->settings->highlightThreads && Process_isThread(this)) {
+ attr = CRT_colors[PROCESS_THREAD];
+ baseattr = CRT_colors[PROCESS_THREAD_BASENAME];
+ }
+ const ScreenSettings* ss = this->settings->ss;
+ if (!ss->treeView || this->indent == 0) {
+ Process_writeCommand(this, attr, baseattr, str);
+ return;
+ }
+
+ char* buf = buffer;
+ const bool lastItem = (this->indent < 0);
+
+ for (uint32_t indent = (this->indent < 0 ? -this->indent : this->indent); indent > 1; indent >>= 1) {
+ int written, ret;
+ if (indent & 1U) {
+ ret = xSnprintf(buf, n, "%s ", CRT_treeStr[TREE_STR_VERT]);
+ } else {
+ ret = xSnprintf(buf, n, " ");
+ }
+ if (ret < 0 || (size_t)ret >= n) {
+ written = n;
+ } else {
+ written = ret;
+ }
+ buf += written;
+ n -= written;
+ }
+
+ const char* draw = CRT_treeStr[lastItem ? TREE_STR_BEND : TREE_STR_RTEE];
+ xSnprintf(buf, n, "%s%s ", draw, this->showChildren ? CRT_treeStr[TREE_STR_SHUT] : CRT_treeStr[TREE_STR_OPEN] );
+ RichString_appendWide(str, CRT_colors[PROCESS_TREE], buffer);
+ Process_writeCommand(this, attr, baseattr, str);
+ return;
+ }
+ case PROC_COMM: {
+ const char* procComm;
+ if (this->procComm) {
+ attr = CRT_colors[Process_isUserlandThread(this) ? PROCESS_THREAD_COMM : PROCESS_COMM];
+ procComm = this->procComm;
+ } else {
+ attr = CRT_colors[PROCESS_SHADOW];
+ procComm = Process_isKernelThread(this) ? kthreadID : "N/A";
+ }
+
+ Process_printLeftAlignedField(str, attr, procComm, TASK_COMM_LEN - 1);
+ return;
+ }
+ case PROC_EXE: {
+ const char* procExe;
+ if (this->procExe) {
+ attr = CRT_colors[Process_isUserlandThread(this) ? PROCESS_THREAD_BASENAME : PROCESS_BASENAME];
+ if (this->settings->highlightDeletedExe) {
+ if (this->procExeDeleted)
+ attr = CRT_colors[FAILED_READ];
+ else if (this->usesDeletedLib)
+ attr = CRT_colors[PROCESS_TAG];
+ }
+ procExe = this->procExe + this->procExeBasenameOffset;
+ } else {
+ attr = CRT_colors[PROCESS_SHADOW];
+ procExe = Process_isKernelThread(this) ? kthreadID : "N/A";
+ }
+
+ Process_printLeftAlignedField(str, attr, procExe, TASK_COMM_LEN - 1);
+ return;
+ }
+ case CWD: {
+ const char* cwd;
+ if (!this->procCwd) {
+ attr = CRT_colors[PROCESS_SHADOW];
+ cwd = "N/A";
+ } else if (String_startsWith(this->procCwd, "/proc/") && strstr(this->procCwd, " (deleted)") != NULL) {
+ attr = CRT_colors[PROCESS_SHADOW];
+ cwd = "main thread terminated";
+ } else {
+ cwd = this->procCwd;
+ }
+ Process_printLeftAlignedField(str, attr, cwd, 25);
+ return;
+ }
+ case ELAPSED: {
+ const uint64_t rt = this->processList->realtimeMs;
+ const uint64_t st = this->starttime_ctime * 1000;
+ const uint64_t dt =
+ rt < st ? 0 :
+ rt - st;
+ Process_printTime(str, /* convert to hundreds of a second */ dt / 10, coloring);
+ return;
+ }
+ case MAJFLT: Process_printCount(str, this->majflt, coloring); return;
+ case MINFLT: Process_printCount(str, this->minflt, coloring); return;
+ case M_RESIDENT: Process_printKBytes(str, this->m_resident, coloring); return;
+ case M_VIRT: Process_printKBytes(str, this->m_virt, coloring); return;
+ case NICE:
+ xSnprintf(buffer, n, "%3ld ", this->nice);
+ attr = this->nice < 0 ? CRT_colors[PROCESS_HIGH_PRIORITY]
+ : this->nice > 0 ? CRT_colors[PROCESS_LOW_PRIORITY]
+ : CRT_colors[PROCESS_SHADOW];
+ break;
+ case NLWP:
+ if (this->nlwp == 1)
+ attr = CRT_colors[PROCESS_SHADOW];
+
+ xSnprintf(buffer, n, "%4ld ", this->nlwp);
+ break;
+ case PERCENT_CPU: Process_printPercentage(this->percent_cpu, buffer, n, Process_fieldWidths[PERCENT_CPU], &attr); break;
+ case PERCENT_NORM_CPU: {
+ float cpuPercentage = this->percent_cpu / this->processList->activeCPUs;
+ Process_printPercentage(cpuPercentage, buffer, n, Process_fieldWidths[PERCENT_CPU], &attr);
+ break;
+ }
+ case PERCENT_MEM: Process_printPercentage(this->percent_mem, buffer, n, 4, &attr); break;
+ case PGRP: xSnprintf(buffer, n, "%*d ", Process_pidDigits, this->pgrp); break;
+ case PID: xSnprintf(buffer, n, "%*d ", Process_pidDigits, this->pid); break;
+ case PPID: xSnprintf(buffer, n, "%*d ", Process_pidDigits, this->ppid); break;
+ case PRIORITY:
+ if (this->priority <= -100)
+ xSnprintf(buffer, n, " RT ");
+ else
+ xSnprintf(buffer, n, "%3ld ", this->priority);
+ break;
+ case PROCESSOR: xSnprintf(buffer, n, "%3d ", Settings_cpuId(this->settings, this->processor)); break;
+ case SESSION: xSnprintf(buffer, n, "%*d ", Process_pidDigits, this->session); break;
+ case STARTTIME: xSnprintf(buffer, n, "%s", this->starttime_show); break;
+ case STATE:
+ xSnprintf(buffer, n, "%c ", processStateChar(this->state));
+ switch (this->state) {
+ case RUNNABLE:
+ case RUNNING:
+ case TRACED:
+ attr = CRT_colors[PROCESS_RUN_STATE];
+ break;
+
+ case BLOCKED:
+ case DEFUNCT:
+ case STOPPED:
+ case UNINTERRUPTIBLE_WAIT:
+ case ZOMBIE:
+ attr = CRT_colors[PROCESS_D_STATE];
+ break;
+
+ case QUEUED:
+ case WAITING:
+ case IDLE:
+ case SLEEPING:
+ attr = CRT_colors[PROCESS_SHADOW];
+ break;
+
+ case UNKNOWN:
+ case PAGING:
+ break;
+ }
+ break;
+ case ST_UID: xSnprintf(buffer, n, "%*d ", Process_uidDigits, this->st_uid); break;
+ case TIME: Process_printTime(str, this->time, coloring); return;
+ case TGID:
+ if (this->tgid == this->pid)
+ attr = CRT_colors[PROCESS_SHADOW];
+
+ xSnprintf(buffer, n, "%*d ", Process_pidDigits, this->tgid);
+ break;
+ case TPGID: xSnprintf(buffer, n, "%*d ", Process_pidDigits, this->tpgid); break;
+ case TTY:
+ if (!this->tty_name) {
+ attr = CRT_colors[PROCESS_SHADOW];
+ xSnprintf(buffer, n, "(no tty) ");
+ } else {
+ const char* name = String_startsWith(this->tty_name, "/dev/") ? (this->tty_name + strlen("/dev/")) : this->tty_name;
+ xSnprintf(buffer, n, "%-8s ", name);
+ }
+ break;
+ case USER:
+ if (Process_getuid != this->st_uid)
+ attr = CRT_colors[PROCESS_SHADOW];
+
+ if (this->user) {
+ Process_printLeftAlignedField(str, attr, this->user, 10);
+ return;
+ }
+
+ xSnprintf(buffer, n, "%-10d ", this->st_uid);
+ break;
+ default:
+ if (DynamicColumn_writeField(this, str, field))
+ return;
+ assert(0 && "Process_writeField: default key reached"); /* should never be reached */
+ xSnprintf(buffer, n, "- ");
+ break;
+ }
+ RichString_appendAscii(str, attr, buffer);
+}
+
+void Process_display(const Object* cast, RichString* out) {
+ const Process* this = (const Process*) cast;
+ const ProcessField* fields = this->settings->ss->fields;
+ for (int i = 0; fields[i]; i++)
+ As_Process(this)->writeField(this, out, fields[i]);
+
+ if (this->settings->shadowOtherUsers && this->st_uid != Process_getuid) {
+ RichString_setAttr(out, CRT_colors[PROCESS_SHADOW]);
+ }
+
+ if (this->tag == true) {
+ RichString_setAttr(out, CRT_colors[PROCESS_TAG]);
+ }
+
+ if (this->settings->highlightChanges) {
+ if (Process_isTomb(this)) {
+ out->highlightAttr = CRT_colors[PROCESS_TOMB];
+ } else if (Process_isNew(this)) {
+ out->highlightAttr = CRT_colors[PROCESS_NEW];
+ }
+ }
+
+ assert(RichString_size(out) > 0);
+}
+
+void Process_done(Process* this) {
+ assert (this != NULL);
+ free(this->cmdline);
+ free(this->procComm);
+ free(this->procExe);
+ free(this->procCwd);
+ free(this->mergedCommand.str);
+ free(this->tty_name);
+}
+
+/* This function returns the string displayed in Command column, so that sorting
+ * happens on what is displayed - whether comm, full path, basename, etc.. So
+ * this follows Process_writeField(COMM) and Process_writeCommand */
+const char* Process_getCommand(const Process* this) {
+ if ((Process_isUserlandThread(this) && this->settings->showThreadNames) || !this->mergedCommand.str) {
+ return this->cmdline;
+ }
+
+ return this->mergedCommand.str;
+}
+
+const ProcessClass Process_class = {
+ .super = {
+ .extends = Class(Object),
+ .display = Process_display,
+ .delete = Process_delete,
+ .compare = Process_compare
+ },
+ .writeField = Process_writeField,
+};
+
+void Process_init(Process* this, const Settings* settings) {
+ this->settings = settings;
+ this->tag = false;
+ this->showChildren = true;
+ this->show = true;
+ this->updated = false;
+ this->cmdlineBasenameEnd = -1;
+ this->st_uid = (uid_t)-1;
+
+ if (Process_getuid == (uid_t)-1) {
+ Process_getuid = getuid();
+ }
+}
+
+void Process_toggleTag(Process* this) {
+ this->tag = !this->tag;
+}
+
+bool Process_isNew(const Process* this) {
+ assert(this->processList);
+ if (this->processList->monotonicMs >= this->seenStampMs) {
+ return this->processList->monotonicMs - this->seenStampMs <= 1000 * (uint64_t)this->processList->settings->highlightDelaySecs;
+ }
+ return false;
+}
+
+bool Process_isTomb(const Process* this) {
+ return this->tombStampMs > 0;
+}
+
+bool Process_setPriority(Process* this, int priority) {
+ if (Settings_isReadonly())
+ return false;
+
+ int old_prio = getpriority(PRIO_PROCESS, this->pid);
+ int err = setpriority(PRIO_PROCESS, this->pid, priority);
+
+ if (err == 0 && old_prio != getpriority(PRIO_PROCESS, this->pid)) {
+ this->nice = priority;
+ }
+ return (err == 0);
+}
+
+bool Process_changePriorityBy(Process* this, Arg delta) {
+ return Process_setPriority(this, this->nice + delta.i);
+}
+
+bool Process_sendSignal(Process* this, Arg sgn) {
+ return kill(this->pid, sgn.i) == 0;
+}
+
+int Process_compare(const void* v1, const void* v2) {
+ const Process* p1 = (const Process*)v1;
+ const Process* p2 = (const Process*)v2;
+
+ const Settings* settings = p1->settings;
+ const ScreenSettings* ss = settings->ss;
+
+ ProcessField key = ScreenSettings_getActiveSortKey(ss);
+
+ int result = Process_compareByKey(p1, p2, key);
+
+ // Implement tie-breaker (needed to make tree mode more stable)
+ if (!result)
+ return SPACESHIP_NUMBER(p1->pid, p2->pid);
+
+ return (ScreenSettings_getActiveDirection(ss) == 1) ? result : -result;
+}
+
+int Process_compareByKey_Base(const Process* p1, const Process* p2, ProcessField key) {
+ int r;
+
+ switch (key) {
+ case PERCENT_CPU:
+ case PERCENT_NORM_CPU:
+ return SPACESHIP_NUMBER(p1->percent_cpu, p2->percent_cpu);
+ case PERCENT_MEM:
+ return SPACESHIP_NUMBER(p1->m_resident, p2->m_resident);
+ case COMM:
+ return SPACESHIP_NULLSTR(Process_getCommand(p1), Process_getCommand(p2));
+ case PROC_COMM: {
+ const char* comm1 = p1->procComm ? p1->procComm : (Process_isKernelThread(p1) ? kthreadID : "");
+ const char* comm2 = p2->procComm ? p2->procComm : (Process_isKernelThread(p2) ? kthreadID : "");
+ return SPACESHIP_NULLSTR(comm1, comm2);
+ }
+ case PROC_EXE: {
+ const char* exe1 = p1->procExe ? (p1->procExe + p1->procExeBasenameOffset) : (Process_isKernelThread(p1) ? kthreadID : "");
+ const char* exe2 = p2->procExe ? (p2->procExe + p2->procExeBasenameOffset) : (Process_isKernelThread(p2) ? kthreadID : "");
+ return SPACESHIP_NULLSTR(exe1, exe2);
+ }
+ case CWD:
+ return SPACESHIP_NULLSTR(p1->procCwd, p2->procCwd);
+ case ELAPSED:
+ r = -SPACESHIP_NUMBER(p1->starttime_ctime, p2->starttime_ctime);
+ return r != 0 ? r : SPACESHIP_NUMBER(p1->pid, p2->pid);
+ case MAJFLT:
+ return SPACESHIP_NUMBER(p1->majflt, p2->majflt);
+ case MINFLT:
+ return SPACESHIP_NUMBER(p1->minflt, p2->minflt);
+ case M_RESIDENT:
+ return SPACESHIP_NUMBER(p1->m_resident, p2->m_resident);
+ case M_VIRT:
+ return SPACESHIP_NUMBER(p1->m_virt, p2->m_virt);
+ case NICE:
+ return SPACESHIP_NUMBER(p1->nice, p2->nice);
+ case NLWP:
+ return SPACESHIP_NUMBER(p1->nlwp, p2->nlwp);
+ case PGRP:
+ return SPACESHIP_NUMBER(p1->pgrp, p2->pgrp);
+ case PID:
+ return SPACESHIP_NUMBER(p1->pid, p2->pid);
+ case PPID:
+ return SPACESHIP_NUMBER(p1->ppid, p2->ppid);
+ case PRIORITY:
+ return SPACESHIP_NUMBER(p1->priority, p2->priority);
+ case PROCESSOR:
+ return SPACESHIP_NUMBER(p1->processor, p2->processor);
+ case SESSION:
+ return SPACESHIP_NUMBER(p1->session, p2->session);
+ case STARTTIME:
+ r = SPACESHIP_NUMBER(p1->starttime_ctime, p2->starttime_ctime);
+ return r != 0 ? r : SPACESHIP_NUMBER(p1->pid, p2->pid);
+ case STATE:
+ return SPACESHIP_NUMBER(p1->state, p2->state);
+ case ST_UID:
+ return SPACESHIP_NUMBER(p1->st_uid, p2->st_uid);
+ case TIME:
+ return SPACESHIP_NUMBER(p1->time, p2->time);
+ case TGID:
+ return SPACESHIP_NUMBER(p1->tgid, p2->tgid);
+ case TPGID:
+ return SPACESHIP_NUMBER(p1->tpgid, p2->tpgid);
+ case TTY:
+ /* Order no tty last */
+ return SPACESHIP_DEFAULTSTR(p1->tty_name, p2->tty_name, "\x7F");
+ case USER:
+ return SPACESHIP_NULLSTR(p1->user, p2->user);
+ default:
+ CRT_debug("Process_compareByKey_Base() called with key %d", key);
+ assert(0 && "Process_compareByKey_Base: default key reached"); /* should never be reached */
+ return SPACESHIP_NUMBER(p1->pid, p2->pid);
+ }
+}
+
+void Process_updateComm(Process* this, const char* comm) {
+ if (!this->procComm && !comm)
+ return;
+
+ if (this->procComm && comm && String_eq(this->procComm, comm))
+ return;
+
+ free(this->procComm);
+ this->procComm = comm ? xStrdup(comm) : NULL;
+
+ this->mergedCommand.lastUpdate = 0;
+}
+
+static int skipPotentialPath(const char* cmdline, int end) {
+ if (cmdline[0] != '/')
+ return 0;
+
+ int slash = 0;
+ for (int i = 1; i < end; i++) {
+ if (cmdline[i] == '/' && cmdline[i + 1] != '\0') {
+ slash = i + 1;
+ continue;
+ }
+
+ if (cmdline[i] == ' ' && cmdline[i - 1] != '\\')
+ return slash;
+
+ if (cmdline[i] == ':' && cmdline[i + 1] == ' ')
+ return slash;
+ }
+
+ return slash;
+}
+
+void Process_updateCmdline(Process* this, const char* cmdline, int basenameStart, int basenameEnd) {
+ assert(basenameStart >= 0);
+ assert((cmdline && basenameStart < (int)strlen(cmdline)) || (!cmdline && basenameStart == 0));
+ assert((basenameEnd > basenameStart) || (basenameEnd == 0 && basenameStart == 0));
+ assert((cmdline && basenameEnd <= (int)strlen(cmdline)) || (!cmdline && basenameEnd == 0));
+
+ if (!this->cmdline && !cmdline)
+ return;
+
+ if (this->cmdline && cmdline && String_eq(this->cmdline, cmdline))
+ return;
+
+ free(this->cmdline);
+ this->cmdline = cmdline ? xStrdup(cmdline) : NULL;
+ this->cmdlineBasenameStart = (basenameStart || !cmdline) ? basenameStart : skipPotentialPath(cmdline, basenameEnd);
+ this->cmdlineBasenameEnd = basenameEnd;
+
+ this->mergedCommand.lastUpdate = 0;
+}
+
+void Process_updateExe(Process* this, const char* exe) {
+ if (!this->procExe && !exe)
+ return;
+
+ if (this->procExe && exe && String_eq(this->procExe, exe))
+ return;
+
+ free(this->procExe);
+ if (exe) {
+ this->procExe = xStrdup(exe);
+ const char* lastSlash = strrchr(exe, '/');
+ this->procExeBasenameOffset = (lastSlash && *(lastSlash + 1) != '\0' && lastSlash != exe) ? (lastSlash - exe + 1) : 0;
+ } else {
+ this->procExe = NULL;
+ this->procExeBasenameOffset = 0;
+ }
+
+ this->mergedCommand.lastUpdate = 0;
+}
+
+uint8_t Process_fieldWidths[LAST_PROCESSFIELD] = { 0 };
+
+void Process_resetFieldWidths(void) {
+ for (size_t i = 0; i < LAST_PROCESSFIELD; i++) {
+ if (!Process_fields[i].autoWidth)
+ continue;
+
+ size_t len = strlen(Process_fields[i].title);
+ assert(len <= UINT8_MAX);
+ Process_fieldWidths[i] = (uint8_t)len;
+ }
+}
+
+void Process_updateFieldWidth(ProcessField key, size_t width) {
+ if (width > UINT8_MAX)
+ Process_fieldWidths[key] = UINT8_MAX;
+ else if (width > Process_fieldWidths[key])
+ Process_fieldWidths[key] = (uint8_t)width;
+}
+
+void Process_updateCPUFieldWidths(float percentage) {
+ if (percentage < 99.9F) {
+ Process_updateFieldWidth(PERCENT_CPU, 4);
+ Process_updateFieldWidth(PERCENT_NORM_CPU, 4);
+ return;
+ }
+
+ // Add additional two characters, one for "." and another for precision.
+ uint8_t width = ceil(log10(percentage + 0.1)) + 2;
+
+ Process_updateFieldWidth(PERCENT_CPU, width);
+ Process_updateFieldWidth(PERCENT_NORM_CPU, width);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-03 21:27:56 +0000