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author | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 18:28:45 -0800 |
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committer | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 18:28:45 -0800 |
commit | d83a98f4ce9cfa908f5c54bbd70f03eec07e7553 (patch) | |
tree | 4b825dc642cb6eb9a060e54bf8d69288fbee4904 /cmds/dumpstate/utils.c | |
parent | 076357b8567458d4b6dfdcf839ef751634cd2bfb (diff) | |
download | frameworks_base-d83a98f4ce9cfa908f5c54bbd70f03eec07e7553.zip frameworks_base-d83a98f4ce9cfa908f5c54bbd70f03eec07e7553.tar.gz frameworks_base-d83a98f4ce9cfa908f5c54bbd70f03eec07e7553.tar.bz2 |
auto import from //depot/cupcake/@135843
Diffstat (limited to 'cmds/dumpstate/utils.c')
-rw-r--r-- | cmds/dumpstate/utils.c | 230 |
1 files changed, 0 insertions, 230 deletions
diff --git a/cmds/dumpstate/utils.c b/cmds/dumpstate/utils.c deleted file mode 100644 index 60d845f..0000000 --- a/cmds/dumpstate/utils.c +++ /dev/null @@ -1,230 +0,0 @@ -/* - * Copyright (C) 2008 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <time.h> -#include <unistd.h> -#include <sys/stat.h> -#include <dirent.h> -#include <limits.h> -#include <fcntl.h> -#include <signal.h> -#include <sys/time.h> -#include <sys/wait.h> - -#include <cutils/properties.h> -#include <sys/system_properties.h> - -#include "dumpstate.h" - - -/* prints the contents of a file */ -int dump_file(const char* path) { - char buffer[32768]; - int fd, amount_read; - int ret = 0; - - fd = open(path, O_RDONLY); - if (fd < 0) - return fd; - - do { - ret = read(fd, buffer, sizeof(buffer)); - if (ret > 0) - ret = write(STDOUT_FILENO, buffer, ret); - } while (ret > 0); - - buffer[0] = '\n'; - write(STDOUT_FILENO, buffer, 1); - - close(fd); - return ret; -} - -/* prints the contents of all files in a directory */ -void dump_files(const char* path) { - DIR* dir; - struct dirent* entry; - char buffer[PATH_MAX]; - - dir = opendir(path); - if (!dir) { - fprintf(stderr, "could not open directory %s\n", path); - return; - } - - while ((entry = readdir(dir))) { - if (entry->d_type == DT_REG) { - snprintf(buffer, sizeof(buffer), "%s/%s", path, entry->d_name); - dump_file(path); - printf("\n"); - } - } - - closedir(dir); -} - -/* prints the name and value of a system property */ -int print_property(const char* name) { - char value[PROP_VALUE_MAX]; - - __system_property_get(name, value); - printf("%s=%s\n", name, value); - return 0; -} - -static pid_t alarm_pid = 0; -static int timed_out = 0; -static void sig_alarm(int sig) -{ - if (alarm_pid) { - kill(alarm_pid, SIGKILL); - timed_out = 1; - alarm_pid = 0; - } -} - -/* forks a command and waits for it to finish */ -int run_command(struct Command* cmd, int timeout) { - struct sigaction sa; - pid_t pid; - int status; - - pid = fork(); - /* handle error case */ - if (pid < 0) - return pid; - - /* handle child case */ - if (pid == 0) { - int ret = execv(cmd->path, cmd->args); - if (ret) - fprintf(stderr, "execv %s returned %d\n", cmd->path, ret); - exit(ret); - } - - /* handle parent case */ - timed_out = 0; - if (timeout) { - memset(&sa, 0, sizeof(sa)); - sa.sa_flags = SA_RESETHAND; - sa.sa_handler = sig_alarm; - sigaction(SIGALRM, &sa, NULL); - - /* set an alarm so we don't hang forever */ - alarm_pid = pid; - alarm(timeout); - } - - waitpid(pid, &status, 0); - - if (timed_out) - printf("ERROR: command %s timed out\n", cmd->path); - - return status; -} - -/* reads the current time into tm */ -void get_time(struct tm *tm) { - time_t t; - - tzset(); - time(&t); - localtime_r(&t, tm); -} - -/* prints the date in tm */ -void print_date(const char* prompt, struct tm *tm) { - char strbuf[260]; - - strftime(strbuf, sizeof(strbuf), - "%a %b %e %H:%M:%S %Z %Y", - tm); - printf("%s%s\n", prompt, strbuf); -} - - -static void print_prop(const char *key, const char *name, - void *user __attribute__((unused))) -{ - printf("[%s]: [%s]\n", key, name); -} - -/* prints all the system properties */ -void print_properties() { - property_list(print_prop, NULL); -} - -/* creates directories as needed for the given path */ -void create_directories(char *path) -{ - char *chp = path; - - /* skip initial slash */ - if (chp[0] == '/') - chp++; - - while (chp && chp[0]) { - chp = strchr(chp, '/'); - if (chp) { - *chp = 0; - mkdir(path, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH); - *chp = '/'; - chp++; - } - } -} - -/* runs the vibrator using the given pattern */ -void vibrate_pattern(int fd, int* pattern) -{ - struct timespec tm; - char buffer[10]; - - while (*pattern) { - /* read vibrate on time */ - int on_time = *pattern++; - snprintf(buffer, sizeof(buffer), "%d", on_time); - write(fd, buffer, strlen(buffer)); - - /* read vibrate off time */ - int delay = *pattern++; - if (delay) { - delay += on_time; - - tm.tv_sec = delay / 1000; - tm.tv_nsec = (delay % 1000) * 1000000; - nanosleep(&tm, NULL); - } else - break; - } -} - -/* prevents the OOM killer from killing us */ -void protect_from_oom_killer() -{ - int fd; - - fd = open("/proc/self/oom_adj", O_WRONLY); - if (fd >= 0) { - // -17 should make us immune to OOM - const char* text = "-17"; - write(fd, text, strlen(text)); - close(fd); - } -} |