diff options
Diffstat (limited to 'toolbox')
-rw-r--r-- | toolbox/Android.mk | 1 | ||||
-rw-r--r-- | toolbox/clear.c | 41 | ||||
-rw-r--r-- | toolbox/du.c | 4 | ||||
-rw-r--r-- | toolbox/renice.c | 64 |
4 files changed, 84 insertions, 26 deletions
diff --git a/toolbox/Android.mk b/toolbox/Android.mk index dbbce06..2ecb626 100644 --- a/toolbox/Android.mk +++ b/toolbox/Android.mk @@ -58,6 +58,7 @@ TOOLS := \ lsof \ du \ md5 \ + clear \ getenforce \ setenforce \ chcon \ diff --git a/toolbox/clear.c b/toolbox/clear.c new file mode 100644 index 0000000..df46ad2 --- /dev/null +++ b/toolbox/clear.c @@ -0,0 +1,41 @@ +/* + * Copyright (c) 2012, The Android Open Source Project + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google, Inc. nor the names of its contributors + * may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <stdio.h> + +int clear_main(int argc, char **argv) { + /* This prints the clear screen and move cursor to top-left corner control + * characters for VT100 terminals. This means it will not work on + * non-VT100 compliant terminals, namely Windows' cmd.exe, but should + * work on anything unix-y. */ + fputs("\x1b[2J\x1b[H", stdout); + return 0; +} diff --git a/toolbox/du.c b/toolbox/du.c index 06374a4..fc7c943 100644 --- a/toolbox/du.c +++ b/toolbox/du.c @@ -62,7 +62,7 @@ __RCSID("$NetBSD: du.c,v 1.33 2008/07/30 22:03:40 dsl Exp $"); int linkchk(dev_t, ino_t); void prstat(const char *, int64_t); -void usage(void); +static void usage(void); long blocksize; @@ -312,7 +312,7 @@ linkchk(dev_t dev, ino_t ino) return 0; } -void +static void usage(void) { diff --git a/toolbox/renice.c b/toolbox/renice.c index 978b329..9dfeb51 100644 --- a/toolbox/renice.c +++ b/toolbox/renice.c @@ -35,11 +35,12 @@ #include <sys/time.h> #include <sys/resource.h> #include <sched.h> +#include <getopt.h> static void usage(const char *s) { - fprintf(stderr, "USAGE: %s [[-r] priority pids ...] [-g pid]\n", s); + fprintf(stderr, "USAGE: %s [[-r] [-t TYPE] priority pids ...] [-g pid]\n", s); exit(EXIT_FAILURE); } @@ -74,32 +75,49 @@ void print_prio(pid_t pid) sched_get_priority_min(sched), sched_get_priority_max(sched)); } +int get_sched(char *str) +{ + if (strcasecmp(str, "RR") == 0) + return SCHED_RR; + else if (strcasecmp(str, "FIFO") == 0) + return SCHED_FIFO; + else if (strcasecmp(str, "NORMAL") == 0) + return SCHED_OTHER; + else if (strcasecmp(str, "OTHER") == 0) + return SCHED_OTHER; + return SCHED_RR; +} + int renice_main(int argc, char *argv[]) { int prio; int realtime = 0; + int opt; + int sched = SCHED_RR; char *cmd = argv[0]; - // consume command name - argc--; - argv++; - - if (argc < 1) - usage(cmd); - - if(strcmp("-r", argv[0]) == 0) { - // do realtime priority adjustment - realtime = 1; - argc--; - argv++; - } - - if(strcmp("-g", argv[0]) == 0) { - if (argc < 2) + do { + opt = getopt(argc, argv, "rt:g:"); + if (opt == -1) + break; + switch (opt) { + case 'r': + // do realtime priority adjustment + realtime = 1; + break; + case 't': + sched = get_sched(optarg); + break; + case 'g': + print_prio(atoi(optarg)); + return 0; + default: usage(cmd); - print_prio(atoi(argv[1])); - return 0; - } + } + } while (1); + + argc -= optind; + argv += optind; if (argc < 1) usage(cmd); @@ -122,7 +140,7 @@ int renice_main(int argc, char *argv[]) struct sched_param sp = { .sched_priority = prio }; int ret; - ret = sched_setscheduler(pid, SCHED_RR, &sp); + ret = sched_setscheduler(pid, sched, &sp); if (ret) { perror("sched_set_scheduler"); exit(EXIT_FAILURE); @@ -137,8 +155,6 @@ int renice_main(int argc, char *argv[]) } } } - + return 0; } - - |