[225] | 1 | /* $Id: kmkbuiltin.c 3352 2020-06-05 00:31:50Z bird $ */
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| 2 | /** @file
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| 3 | * kMk Builtin command execution.
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[2019] | 4 | */
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| 5 |
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| 6 | /*
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[3173] | 7 | * Copyright (c) 2005-2018 knut st. osmundsen <bird-kBuild-spamx@anduin.net>
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[225] | 8 | *
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| 9 | * This file is part of kBuild.
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| 10 | *
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| 11 | * kBuild is free software; you can redistribute it and/or modify
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| 12 | * it under the terms of the GNU General Public License as published by
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[2019] | 13 | * the Free Software Foundation; either version 3 of the License, or
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[225] | 14 | * (at your option) any later version.
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| 15 | *
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| 16 | * kBuild is distributed in the hope that it will be useful,
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| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 19 | * GNU General Public License for more details.
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| 20 | *
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| 21 | * You should have received a copy of the GNU General Public License
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[2019] | 22 | * along with kBuild. If not, see <http://www.gnu.org/licenses/>
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[225] | 23 | *
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| 24 | */
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| 25 |
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[3173] | 26 |
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| 27 | /*********************************************************************************************************************************
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| 28 | * Header Files *
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| 29 | *********************************************************************************************************************************/
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[225] | 30 | #include <string.h>
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[227] | 31 | #include <stdlib.h>
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[225] | 32 | #include <stdio.h>
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[227] | 33 | #include <ctype.h>
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[1290] | 34 | #include <assert.h>
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[2125] | 35 | #include <sys/stat.h>
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[507] | 36 | #ifdef _MSC_VER
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| 37 | # include <io.h>
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[775] | 38 | #endif
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[3170] | 39 |
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| 40 | #include "makeint.h"
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| 41 | #include "job.h"
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[3173] | 42 | #include "variable.h"
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[3169] | 43 | #if defined(KBUILD_OS_WINDOWS) && defined(CONFIG_NEW_WIN_CHILDREN)
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| 44 | # include "w32/winchildren.h"
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| 45 | #endif
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[370] | 46 | #include "kmkbuiltin/err.h"
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[225] | 47 | #include "kmkbuiltin.h"
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| 48 |
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[803] | 49 | #ifndef _MSC_VER
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[227] | 50 | extern char **environ;
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[803] | 51 | #endif
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[227] | 52 |
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[3040] | 53 |
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[3173] | 54 | /*********************************************************************************************************************************
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| 55 | * Global Variables *
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| 56 | *********************************************************************************************************************************/
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| 57 | #ifdef CONFIG_WITH_KMK_BUILTIN_STATS
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| 58 | extern int print_stats_flag;
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| 59 | #endif
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| 60 |
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| 61 |
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| 62 |
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[2843] | 63 | int kmk_builtin_command(const char *pszCmd, struct child *pChild, char ***ppapszArgvToSpawn, pid_t *pPidSpawned)
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[225] | 64 | {
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[227] | 65 | int argc;
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| 66 | char **argv;
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| 67 | int rc;
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[3040] | 68 | char *pszzCmd;
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| 69 | char *pszDst;
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| 70 | int fOldStyle = 0;
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[227] | 71 |
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| 72 | /*
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| 73 | * Check and skip the prefix.
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| 74 | */
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| 75 | if (strncmp(pszCmd, "kmk_builtin_", sizeof("kmk_builtin_") - 1))
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| 76 | {
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[3040] | 77 | fprintf(stderr, "kmk_builtin: Invalid command prefix '%s'!\n", pszCmd);
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[227] | 78 | return 1;
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| 79 | }
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| 80 |
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| 81 | /*
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| 82 | * Parse arguments.
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| 83 | */
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[3040] | 84 | rc = 0;
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| 85 | argc = 0;
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| 86 | argv = NULL;
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| 87 | pszzCmd = pszDst = (char *)strdup(pszCmd);
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| 88 | if (!pszDst)
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[227] | 89 | {
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[3040] | 90 | fprintf(stderr, "kmk_builtin: out of memory. argc=%d\n", argc);
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| 91 | return 1;
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| 92 | }
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| 93 | do
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| 94 | {
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| 95 | const char * const pszSrcStart = pszCmd;
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| 96 | char ch;
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| 97 | char chQuote;
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[227] | 98 |
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| 99 | /*
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[3040] | 100 | * Start new argument.
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[227] | 101 | */
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| 102 | if (!(argc % 16))
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| 103 | {
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| 104 | void *pv = realloc(argv, sizeof(char *) * (argc + 17));
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| 105 | if (!pv)
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| 106 | {
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[3040] | 107 | fprintf(stderr, "kmk_builtin: out of memory. argc=%d\n", argc);
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| 108 | rc = 1;
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[227] | 109 | break;
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| 110 | }
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| 111 | argv = (char **)pv;
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| 112 | }
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[3040] | 113 | argv[argc++] = pszDst;
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| 114 | argv[argc] = NULL;
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| 115 |
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| 116 | if (!fOldStyle)
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[227] | 117 | {
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[3040] | 118 | /*
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| 119 | * Process the next argument, bourne style.
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| 120 | */
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| 121 | chQuote = 0;
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| 122 | ch = *pszCmd++;
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| 123 | do
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| 124 | {
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| 125 | /* Unquoted mode? */
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| 126 | if (chQuote == 0)
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| 127 | {
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| 128 | if (ch != '\'' && ch != '"')
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| 129 | {
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| 130 | if (!isspace(ch))
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| 131 | {
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| 132 | if (ch != '\\')
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| 133 | *pszDst++ = ch;
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| 134 | else
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| 135 | {
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| 136 | ch = *pszCmd++;
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[3333] | 137 | if (ch == '\n') /* escaped end-of-line */
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| 138 | break;
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| 139 | if (ch == '\r' && *pszCmd == '\n') /* escaped end-of-line */
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| 140 | {
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| 141 | pszCmd++;
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| 142 | break;
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| 143 | }
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[3040] | 144 | if (ch)
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| 145 | *pszDst++ = ch;
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| 146 | else
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| 147 | {
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| 148 | fprintf(stderr, "kmk_builtin: Incomplete escape sequence in argument %d: %s\n",
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| 149 | argc, pszSrcStart);
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| 150 | rc = 1;
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| 151 | break;
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| 152 | }
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| 153 | }
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| 154 | }
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| 155 | else
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| 156 | break;
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| 157 | }
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| 158 | else
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| 159 | chQuote = ch;
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| 160 | }
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| 161 | /* Quoted mode */
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| 162 | else if (ch != chQuote)
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| 163 | {
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| 164 | if ( ch != '\\'
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| 165 | || chQuote == '\'')
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| 166 | *pszDst++ = ch;
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| 167 | else
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| 168 | {
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| 169 | ch = *pszCmd++;
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| 170 | if (ch)
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| 171 | {
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| 172 | if ( ch != '\\'
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| 173 | && ch != '"'
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| 174 | && ch != '`'
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| 175 | && ch != '$'
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| 176 | && ch != '\n')
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| 177 | *pszDst++ = '\\';
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| 178 | *pszDst++ = ch;
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| 179 | }
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| 180 | else
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| 181 | {
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| 182 | fprintf(stderr, "kmk_builtin: Unbalanced quote in argument %d: %s\n", argc, pszSrcStart);
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| 183 | rc = 1;
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| 184 | break;
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| 185 | }
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| 186 | }
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| 187 | }
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| 188 | else
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| 189 | chQuote = 0;
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| 190 | } while ((ch = *pszCmd++) != '\0');
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[227] | 191 | }
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[3040] | 192 | else
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[227] | 193 | {
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[3040] | 194 | /*
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| 195 | * Old style in case we ever need it.
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| 196 | */
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| 197 | ch = *pszCmd++;
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| 198 | if (ch != '"' && ch != '\'')
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[227] | 199 | {
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[3040] | 200 | do
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| 201 | *pszDst++ = ch;
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| 202 | while ((ch = *pszCmd++) != '\0' && !isspace(ch));
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[227] | 203 | }
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[3040] | 204 | else
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| 205 | {
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| 206 | chQuote = ch;
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| 207 | for (;;)
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| 208 | {
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| 209 | char *pszEnd = strchr(pszCmd, chQuote);
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| 210 | if (pszEnd)
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| 211 | {
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| 212 | fprintf(stderr, "kmk_builtin: Unbalanced quote in argument %d: %s\n", argc, pszSrcStart);
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| 213 | rc = 1;
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| 214 | break;
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| 215 | }
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| 216 | memcpy(pszDst, pszCmd, pszEnd - pszCmd);
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| 217 | pszDst += pszEnd - pszCmd;
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| 218 | if (pszEnd[1] != chQuote)
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| 219 | break;
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| 220 | *pszDst++ = chQuote;
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| 221 | }
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| 222 | }
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[227] | 223 | }
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[3040] | 224 | *pszDst++ = '\0';
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[227] | 225 |
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| 226 | /*
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[3040] | 227 | * Skip argument separators (IFS=space() for now). Check for EOS.
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[227] | 228 | */
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[3040] | 229 | if (ch != 0)
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[3333] | 230 | while ( (ch = *pszCmd)
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| 231 | && ( isspace(ch)
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| 232 | || (ch == '\\' && (pszCmd[1] == '\n' || (pszCmd[1] == '\r' && pszCmd[2] == '\n')))))
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[3040] | 233 | pszCmd++;
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| 234 | if (ch == 0)
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| 235 | break;
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| 236 | } while (rc == 0);
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[227] | 237 |
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| 238 | /*
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| 239 | * Execute the command if parsing was successful.
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| 240 | */
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[3040] | 241 | if (rc == 0)
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[2843] | 242 | rc = kmk_builtin_command_parsed(argc, argv, pChild, ppapszArgvToSpawn, pPidSpawned);
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[227] | 243 |
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| 244 | /* clean up and return. */
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| 245 | free(argv);
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[3040] | 246 | free(pszzCmd);
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[227] | 247 | return rc;
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[225] | 248 | }
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| 249 |
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[227] | 250 |
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[3168] | 251 | /**
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| 252 | * kmk built command.
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| 253 | */
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[3170] | 254 | static const KMKBUILTINENTRY g_aBuiltIns[] =
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[3168] | 255 | {
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[3173] | 256 | #define BUILTIN_ENTRY(a_fn, a_sz, a_uFnSignature, fMtSafe, fNeedEnv) \
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[3245] | 257 | { { { sizeof(a_sz) - 1, a_sz, } }, { (uintptr_t)a_fn }, a_uFnSignature, fMtSafe, fNeedEnv }
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[3168] | 258 |
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| 259 | /* More frequently used commands: */
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[3172] | 260 | BUILTIN_ENTRY(kmk_builtin_append, "append", FN_SIG_MAIN_SPAWNS, 0, 0),
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[3169] | 261 | BUILTIN_ENTRY(kmk_builtin_printf, "printf", FN_SIG_MAIN, 0, 0),
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| 262 | BUILTIN_ENTRY(kmk_builtin_echo, "echo", FN_SIG_MAIN, 0, 0),
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[3222] | 263 | BUILTIN_ENTRY(kmk_builtin_install, "install", FN_SIG_MAIN, 1, 0),
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[3169] | 264 | BUILTIN_ENTRY(kmk_builtin_kDepObj, "kDepObj", FN_SIG_MAIN, 1, 0),
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[3168] | 265 | #ifdef KBUILD_OS_WINDOWS
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[3173] | 266 | BUILTIN_ENTRY(kmk_builtin_kSubmit, "kSubmit", FN_SIG_MAIN_SPAWNS, 0, 1),
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[3352] | 267 | BUILTIN_ENTRY(kmk_builtin_kill, "kill", FN_SIG_MAIN, 0, 0),
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[3168] | 268 | #endif
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[3169] | 269 | BUILTIN_ENTRY(kmk_builtin_mkdir, "mkdir", FN_SIG_MAIN, 0, 0),
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| 270 | BUILTIN_ENTRY(kmk_builtin_mv, "mv", FN_SIG_MAIN, 0, 0),
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[3173] | 271 | BUILTIN_ENTRY(kmk_builtin_redirect, "redirect", FN_SIG_MAIN_SPAWNS, 1, 1),
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[3222] | 272 | BUILTIN_ENTRY(kmk_builtin_rm, "rm", FN_SIG_MAIN, 1, 1),
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[3169] | 273 | BUILTIN_ENTRY(kmk_builtin_rmdir, "rmdir", FN_SIG_MAIN, 0, 0),
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| 274 | BUILTIN_ENTRY(kmk_builtin_test, "test", FN_SIG_MAIN_TO_SPAWN, 0, 0),
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[3168] | 275 | /* Less frequently used commands: */
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[3169] | 276 | BUILTIN_ENTRY(kmk_builtin_kDepIDB, "kDepIDB", FN_SIG_MAIN, 0, 0),
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| 277 | BUILTIN_ENTRY(kmk_builtin_chmod, "chmod", FN_SIG_MAIN, 0, 0),
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[3222] | 278 | BUILTIN_ENTRY(kmk_builtin_cp, "cp", FN_SIG_MAIN, 1, 1),
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[3169] | 279 | BUILTIN_ENTRY(kmk_builtin_expr, "expr", FN_SIG_MAIN, 0, 0),
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| 280 | BUILTIN_ENTRY(kmk_builtin_ln, "ln", FN_SIG_MAIN, 0, 0),
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[3222] | 281 | BUILTIN_ENTRY(kmk_builtin_md5sum, "md5sum", FN_SIG_MAIN, 1, 0),
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[3169] | 282 | BUILTIN_ENTRY(kmk_builtin_cmp, "cmp", FN_SIG_MAIN, 0, 0),
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| 283 | BUILTIN_ENTRY(kmk_builtin_cat, "cat", FN_SIG_MAIN, 0, 0),
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| 284 | BUILTIN_ENTRY(kmk_builtin_touch, "touch", FN_SIG_MAIN, 0, 0),
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[3222] | 285 | BUILTIN_ENTRY(kmk_builtin_sleep, "sleep", FN_SIG_MAIN, 1, 0),
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[3169] | 286 | BUILTIN_ENTRY(kmk_builtin_dircache, "dircache", FN_SIG_MAIN, 0, 0),
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[3168] | 287 | };
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| 288 |
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[3170] | 289 | #ifdef CONFIG_WITH_KMK_BUILTIN_STATS
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| 290 | /** Statistics running in parallel to g_aBuiltIns. */
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| 291 | struct
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| 292 | {
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| 293 | big_int cNs;
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| 294 | unsigned cTimes;
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| 295 | unsigned cAsyncTimes;
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| 296 | } g_aBuiltInStats[sizeof(g_aBuiltIns) / sizeof(g_aBuiltIns[0])];
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| 297 | #endif
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[3168] | 298 |
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[3170] | 299 |
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[2843] | 300 | int kmk_builtin_command_parsed(int argc, char **argv, struct child *pChild, char ***ppapszArgvToSpawn, pid_t *pPidSpawned)
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[225] | 301 | {
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| 302 | /*
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| 303 | * Check and skip the prefix.
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| 304 | */
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[3168] | 305 | static const char s_szPrefix[] = "kmk_builtin_";
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| 306 | const char *pszCmd = argv[0];
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| 307 | if (strncmp(pszCmd, s_szPrefix, sizeof(s_szPrefix) - 1) == 0)
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[225] | 308 | {
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[3168] | 309 | struct KMKBUILTINENTRY const *pEntry;
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[3169] | 310 | size_t cchAndStart;
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[3293] | 311 | #if K_ENDIAN == K_ENDIAN_BIG
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| 312 | size_t cch;
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| 313 | #endif
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[3169] | 314 | int cLeft;
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[225] | 315 |
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[3168] | 316 | pszCmd += sizeof(s_szPrefix) - 1;
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| 317 |
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| 318 | /*
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[3169] | 319 | * Calc the length and start word to avoid calling memcmp/strcmp on each entry.
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| 320 | */
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| 321 | #if K_ARCH_BITS != 64 && K_ARCH_BITS != 32
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| 322 | # error "PORT ME!"
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| 323 | #endif
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| 324 | cchAndStart = strlen(pszCmd);
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| 325 | #if K_ENDIAN == K_ENDIAN_BIG
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[3293] | 326 | cch = cchAndStart;
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[3169] | 327 | cchAndStart <<= K_ARCH_BITS - 8;
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[3293] | 328 | switch (cch)
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[3169] | 329 | {
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| 330 | default: /* fall thru */
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| 331 | # if K_ARCH_BITS >= 64
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[3291] | 332 | case 7: cchAndStart |= (size_t)pszCmd[6]; /* fall thru */
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| 333 | case 6: cchAndStart |= (size_t)pszCmd[5] << (K_ARCH_BITS - 56); /* fall thru */
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| 334 | case 5: cchAndStart |= (size_t)pszCmd[4] << (K_ARCH_BITS - 48); /* fall thru */
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| 335 | case 4: cchAndStart |= (size_t)pszCmd[3] << (K_ARCH_BITS - 40); /* fall thru */
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[3169] | 336 | # endif
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[3245] | 337 | /* fall thru - gcc 8.2.0 is confused by # endif */
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[3291] | 338 | case 3: cchAndStart |= (size_t)pszCmd[2] << (K_ARCH_BITS - 32); /* fall thru */
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| 339 | case 2: cchAndStart |= (size_t)pszCmd[1] << (K_ARCH_BITS - 24); /* fall thru */
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| 340 | case 1: cchAndStart |= (size_t)pszCmd[0] << (K_ARCH_BITS - 16); /* fall thru */
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[3169] | 341 | case 0: break;
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| 342 | }
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| 343 | #else
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| 344 | switch (cchAndStart)
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| 345 | {
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[3245] | 346 | default: /* fall thru */
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[3169] | 347 | # if K_ARCH_BITS >= 64
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| 348 | case 7: cchAndStart |= (size_t)pszCmd[6] << 56; /* fall thru */
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| 349 | case 6: cchAndStart |= (size_t)pszCmd[5] << 48; /* fall thru */
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| 350 | case 5: cchAndStart |= (size_t)pszCmd[4] << 40; /* fall thru */
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| 351 | case 4: cchAndStart |= (size_t)pszCmd[3] << 32; /* fall thru */
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| 352 | # endif
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[3245] | 353 | /* fall thru - gcc 8.2.0 is confused by # endif */
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[3169] | 354 | case 3: cchAndStart |= (size_t)pszCmd[2] << 24; /* fall thru */
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| 355 | case 2: cchAndStart |= (size_t)pszCmd[1] << 16; /* fall thru */
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| 356 | case 1: cchAndStart |= (size_t)pszCmd[0] << 8; /* fall thru */
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| 357 | case 0: break;
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| 358 | }
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| 359 | #endif
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| 360 |
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| 361 | /*
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[3168] | 362 | * Look up the builtin command in the table.
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| 363 | */
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[3170] | 364 | pEntry = &g_aBuiltIns[0];
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| 365 | cLeft = sizeof(g_aBuiltIns) / sizeof(g_aBuiltIns[0]);
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[3168] | 366 | while (cLeft-- > 0)
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[3169] | 367 | if ( pEntry->uName.cchAndStart != cchAndStart
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| 368 | || ( pEntry->uName.s.cch >= sizeof(cchAndStart)
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| 369 | && memcmp(pEntry->uName.s.sz, pszCmd, pEntry->uName.s.cch) != 0) )
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[3168] | 370 | pEntry++;
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| 371 | else
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| 372 | {
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[3169] | 373 | /*
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| 374 | * That's a match!
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[3173] | 375 | *
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| 376 | * First get the environment if it is actually needed. This is
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| 377 | * especially important when we run on a worker thread as it must
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| 378 | * not under any circumstances do stuff like target_environment.
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[3169] | 379 | */
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[3173] | 380 | int rc;
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| 381 | char **papszEnvVars = NULL;
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| 382 | if (pEntry->fNeedEnv)
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| 383 | {
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| 384 | papszEnvVars = pChild->environment;
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| 385 | if (!papszEnvVars)
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| 386 | pChild->environment = papszEnvVars = target_environment(pChild->file);
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| 387 | }
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| 388 |
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[3169] | 389 | #if defined(KBUILD_OS_WINDOWS) && defined(CONFIG_NEW_WIN_CHILDREN)
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[3173] | 390 | /*
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| 391 | * If the built-in is multi thread safe, we will run it on a job slot thread.
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| 392 | */
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| 393 | if (pEntry->fMtSafe)
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[3170] | 394 | {
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[3173] | 395 | rc = MkWinChildCreateBuiltIn(pEntry, argc, argv, papszEnvVars, pChild, pPidSpawned);
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[3170] | 396 | # ifdef CONFIG_WITH_KMK_BUILTIN_STATS
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| 397 | g_aBuiltInStats[pEntry - &g_aBuiltIns[0]].cAsyncTimes++;
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| 398 | # endif
|
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| 399 | }
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[3168] | 400 | else
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[2843] | 401 | #endif
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[3168] | 402 | {
|
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| 403 | /*
|
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| 404 | * Call the worker function, making sure to preserve umask.
|
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| 405 | */
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[3170] | 406 | #ifdef CONFIG_WITH_KMK_BUILTIN_STATS
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[3173] | 407 | big_int nsStart = print_stats_flag ? nano_timestamp() : 0;
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[3170] | 408 | #endif
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[3192] | 409 | KMKBUILTINCTX Ctx;
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[3168] | 410 | int const iUmask = umask(0); /* save umask */
|
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| 411 | umask(iUmask);
|
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[1290] | 412 |
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[3192] | 413 | Ctx.pszProgName = pEntry->uName.s.sz;
|
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| 414 | Ctx.pOut = pChild ? &pChild->output : NULL;
|
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| 415 |
|
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[3168] | 416 | if (pEntry->uFnSignature == FN_SIG_MAIN)
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[3192] | 417 | rc = pEntry->u.pfnMain(argc, argv, papszEnvVars, &Ctx);
|
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[3168] | 418 | else if (pEntry->uFnSignature == FN_SIG_MAIN_SPAWNS)
|
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[3192] | 419 | rc = pEntry->u.pfnMainSpawns(argc, argv, papszEnvVars, &Ctx, pChild, pPidSpawned);
|
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[3168] | 420 | else if (pEntry->uFnSignature == FN_SIG_MAIN_TO_SPAWN)
|
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| 421 | {
|
---|
| 422 | /*
|
---|
| 423 | * When we got something to execute, check if the child is a kmk_builtin thing.
|
---|
| 424 | * We recurse here, both because I'm lazy and because it's easier to debug a
|
---|
| 425 | * problem then (the call stack shows what's been going on).
|
---|
| 426 | */
|
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[3192] | 427 | rc = pEntry->u.pfnMainToSpawn(argc, argv, papszEnvVars, &Ctx, ppapszArgvToSpawn);
|
---|
[3168] | 428 | if ( !rc
|
---|
| 429 | && *ppapszArgvToSpawn
|
---|
| 430 | && !strncmp(**ppapszArgvToSpawn, s_szPrefix, sizeof(s_szPrefix) - 1))
|
---|
| 431 | {
|
---|
| 432 | char **argv_new = *ppapszArgvToSpawn;
|
---|
| 433 | int argc_new = 1;
|
---|
| 434 | while (argv_new[argc_new])
|
---|
| 435 | argc_new++;
|
---|
[1290] | 436 |
|
---|
[3168] | 437 | assert(argv_new[0] != argv[0]);
|
---|
| 438 | assert(!*pPidSpawned);
|
---|
[1290] | 439 |
|
---|
[3168] | 440 | *ppapszArgvToSpawn = NULL;
|
---|
| 441 | rc = kmk_builtin_command_parsed(argc_new, argv_new, pChild, ppapszArgvToSpawn, pPidSpawned);
|
---|
[1290] | 442 |
|
---|
[3168] | 443 | free(argv_new[0]);
|
---|
| 444 | free(argv_new);
|
---|
| 445 | }
|
---|
| 446 | }
|
---|
| 447 | else
|
---|
| 448 | rc = 99;
|
---|
[3170] | 449 |
|
---|
[3168] | 450 | umask(iUmask); /* restore it */
|
---|
[3170] | 451 |
|
---|
| 452 | #ifdef CONFIG_WITH_KMK_BUILTIN_STATS
|
---|
[3173] | 453 | if (print_stats_flag)
|
---|
| 454 | {
|
---|
| 455 | uintptr_t iEntry = pEntry - &g_aBuiltIns[0];
|
---|
| 456 | g_aBuiltInStats[iEntry].cTimes++;
|
---|
| 457 | g_aBuiltInStats[iEntry].cNs += nano_timestamp() - nsStart;
|
---|
| 458 | }
|
---|
[3170] | 459 | #endif
|
---|
[3168] | 460 | }
|
---|
| 461 | return rc;
|
---|
| 462 | }
|
---|
[3169] | 463 |
|
---|
| 464 | /*
|
---|
| 465 | * No match! :-(
|
---|
| 466 | */
|
---|
[3168] | 467 | fprintf(stderr, "kmk_builtin: Unknown command '%s%s'!\n", s_szPrefix, pszCmd);
|
---|
[1290] | 468 | }
|
---|
[3168] | 469 | else
|
---|
| 470 | fprintf(stderr, "kmk_builtin: Invalid command prefix '%s'!\n", pszCmd);
|
---|
| 471 | return 1;
|
---|
| 472 | }
|
---|
[1290] | 473 |
|
---|
[3168] | 474 | #ifndef KBUILD_OS_WINDOWS
|
---|
| 475 | /** Dummy. */
|
---|
[3225] | 476 | int kmk_builtin_dircache(int argc, char **argv, char **envp, PKMKBUILTINCTX pCtx)
|
---|
[3168] | 477 | {
|
---|
[3225] | 478 | (void)argc; (void)argv; (void)envp; (void)pCtx;
|
---|
[3168] | 479 | return 0;
|
---|
[225] | 480 | }
|
---|
[3168] | 481 | #endif
|
---|
[225] | 482 |
|
---|
[3170] | 483 | #ifdef CONFIG_WITH_KMK_BUILTIN_STATS
|
---|
| 484 | /**
|
---|
| 485 | * Prints the statistiscs to the given output stream.
|
---|
| 486 | */
|
---|
[3172] | 487 | extern void kmk_builtin_print_stats(FILE *pOutput, const char *pszPrefix)
|
---|
[3170] | 488 | {
|
---|
[3173] | 489 | const unsigned cEntries = sizeof(g_aBuiltInStats) / sizeof(g_aBuiltInStats[0]);
|
---|
[3170] | 490 | unsigned i;
|
---|
[3173] | 491 | assert(print_stats_flag);
|
---|
[3170] | 492 | fprintf(pOutput, "\n%skmk built-in command statistics:\n", pszPrefix);
|
---|
| 493 | for (i = 0; i < cEntries; i++)
|
---|
| 494 | if (g_aBuiltInStats[i].cTimes > 0)
|
---|
| 495 | {
|
---|
| 496 | char szTotal[64];
|
---|
| 497 | char szAvg[64];
|
---|
| 498 | format_elapsed_nano(szTotal, sizeof(szTotal), g_aBuiltInStats[i].cNs);
|
---|
| 499 | format_elapsed_nano(szAvg, sizeof(szAvg), g_aBuiltInStats[i].cNs / g_aBuiltInStats[i].cTimes);
|
---|
[3245] | 500 | fprintf(pOutput, "%s kmk_builtin_%-9s: %4u times, %9s total, %9s/call\n",
|
---|
[3170] | 501 | pszPrefix, g_aBuiltIns[i].uName.s.sz, g_aBuiltInStats[i].cTimes, szTotal, szAvg);
|
---|
| 502 | }
|
---|
| 503 | else if (g_aBuiltInStats[i].cAsyncTimes > 0)
|
---|
[3245] | 504 | fprintf(pOutput, "%s kmk_builtin_%-9s: %4u times in worker thread\n",
|
---|
[3170] | 505 | pszPrefix, g_aBuiltIns[i].uName.s.sz, g_aBuiltInStats[i].cAsyncTimes);
|
---|
| 506 | }
|
---|
| 507 | #endif
|
---|
| 508 |
|
---|