Merge "adb doesn't actually use libzipfile."
diff --git a/libziparchive/zip_archive.cc b/libziparchive/zip_archive.cc
index 59a1734..e820f2a 100644
--- a/libziparchive/zip_archive.cc
+++ b/libziparchive/zip_archive.cc
@@ -19,6 +19,7 @@
  */
 
 #include <memory>
+#include <vector>
 
 #include <assert.h>
 #include <errno.h>
@@ -983,9 +984,9 @@
 static int32_t InflateToFile(int fd, const ZipEntry* entry,
                              uint8_t* begin, uint32_t length,
                              uint64_t* crc_out) {
-  const uint32_t kBufSize = 32768;
-  uint8_t read_buf[kBufSize];
-  uint8_t write_buf[kBufSize];
+  const size_t kBufSize = 32768;
+  std::vector<uint8_t> read_buf(kBufSize);
+  std::vector<uint8_t> write_buf(kBufSize);
   z_stream zstream;
   int zerr;
 
@@ -998,7 +999,7 @@
   zstream.opaque = Z_NULL;
   zstream.next_in = NULL;
   zstream.avail_in = 0;
-  zstream.next_out = reinterpret_cast<Bytef*>(write_buf);
+  zstream.next_out = &write_buf[0];
   zstream.avail_out = kBufSize;
   zstream.data_type = Z_UNKNOWN;
 
@@ -1032,7 +1033,7 @@
     /* read as much as we can */
     if (zstream.avail_in == 0) {
       const ZD_TYPE getSize = (compressed_length > kBufSize) ? kBufSize : compressed_length;
-      const ZD_TYPE actual = TEMP_FAILURE_RETRY(read(fd, read_buf, getSize));
+      const ZD_TYPE actual = TEMP_FAILURE_RETRY(read(fd, &read_buf[0], getSize));
       if (actual != getSize) {
         ALOGW("Zip: inflate read failed (" ZD " vs " ZD ")", actual, getSize);
         return kIoError;
@@ -1040,7 +1041,7 @@
 
       compressed_length -= getSize;
 
-      zstream.next_in = read_buf;
+      zstream.next_in = &read_buf[0];
       zstream.avail_in = getSize;
     }
 
@@ -1056,15 +1057,15 @@
     /* write when we're full or when we're done */
     if (zstream.avail_out == 0 ||
       (zerr == Z_STREAM_END && zstream.avail_out != kBufSize)) {
-      const size_t write_size = zstream.next_out - write_buf;
+      const size_t write_size = zstream.next_out - &write_buf[0];
       // The file might have declared a bogus length.
       if (write_size + write_count > length) {
         return -1;
       }
-      memcpy(begin + write_count, write_buf, write_size);
+      memcpy(begin + write_count, &write_buf[0], write_size);
       write_count += write_size;
 
-      zstream.next_out = write_buf;
+      zstream.next_out = &write_buf[0];
       zstream.avail_out = kBufSize;
     }
   } while (zerr == Z_OK);
diff --git a/logcat/logcat.cpp b/logcat/logcat.cpp
index 7e4eadd..be96fc4 100644
--- a/logcat/logcat.cpp
+++ b/logcat/logcat.cpp
@@ -215,7 +215,7 @@
 
     fprintf(stderr, "options include:\n"
                     "  -s              Set default filter to silent.\n"
-                    "                  Like specifying filterspec '*:s'\n"
+                    "                  Like specifying filterspec '*:S'\n"
                     "  -f <filename>   Log to file. Default to stdout\n"
                     "  -r [<kbytes>]   Rotate log every kbytes. (16 if unspecified). Requires -f\n"
                     "  -n <count>      Sets max number of rotated logs to <count>, default 4\n"
@@ -250,21 +250,19 @@
     fprintf(stderr,"\nfilterspecs are a series of \n"
                    "  <tag>[:priority]\n\n"
                    "where <tag> is a log component tag (or * for all) and priority is:\n"
-                   "  V    Verbose\n"
-                   "  D    Debug\n"
+                   "  V    Verbose (default for <tag>)\n"
+                   "  D    Debug (default for '*')\n"
                    "  I    Info\n"
                    "  W    Warn\n"
                    "  E    Error\n"
                    "  F    Fatal\n"
-                   "  S    Silent (supress all output)\n"
-                   "\n'*' means '*:d' and <tag> by itself means <tag>:v\n"
-                   "\nIf not specified on the commandline, filterspec is set from ANDROID_LOG_TAGS.\n"
-                   "If no filterspec is found, filter defaults to '*:I'\n"
-                   "\nIf not specified with -v, format is set from ANDROID_PRINTF_LOG\n"
+                   "  S    Silent (suppress all output)\n"
+                   "\n'*' by itself means '*:D' and <tag> by itself means <tag>:V.\n"
+                   "If no '*' filterspec or -s on command line, all filter defaults to '*:V'.\n"
+                   "eg: '*:S <tag>' prints only <tag>, '<tag>:S' suppresses all <tag> log messages.\n"
+                   "\nIf not specified on the command line, filterspec is set from ANDROID_LOG_TAGS.\n"
+                   "\nIf not specified with -v on command line, format is set from ANDROID_PRINTF_LOG\n"
                    "or defaults to \"threadtime\"\n\n");
-
-
-
 }
 
 
diff --git a/logcat/tests/logcat_test.cpp b/logcat/tests/logcat_test.cpp
index b358485..de2db67 100644
--- a/logcat/tests/logcat_test.cpp
+++ b/logcat/tests/logcat_test.cpp
@@ -505,12 +505,14 @@
             while (fgets(buffer, sizeof(buffer), fp)) {
                 static const char match_1[] = "4 log.txt";
                 static const char match_2[] = "8 log.txt";
-                static const char match_3[] = "16 log.txt";
+                static const char match_3[] = "12 log.txt";
+                static const char match_4[] = "16 log.txt";
                 static const char total[] = "total ";
 
                 if (!strncmp(buffer, match_1, sizeof(match_1) - 1)
                  || !strncmp(buffer, match_2, sizeof(match_2) - 1)
-                 || !strncmp(buffer, match_3, sizeof(match_3) - 1)) {
+                 || !strncmp(buffer, match_3, sizeof(match_3) - 1)
+                 || !strncmp(buffer, match_4, sizeof(match_4) - 1)) {
                     ++count;
                 } else if (strncmp(buffer, total, sizeof(total) - 1)) {
                     fprintf(stderr, "WARNING: Parse error: %s", buffer);
diff --git a/logd/CommandListener.cpp b/logd/CommandListener.cpp
index d7088b4..561ea3e 100644
--- a/logd/CommandListener.cpp
+++ b/logd/CommandListener.cpp
@@ -44,6 +44,7 @@
     registerCmd(new GetStatisticsCmd(buf));
     registerCmd(new SetPruneListCmd(buf));
     registerCmd(new GetPruneListCmd(buf));
+    registerCmd(new ReinitCmd());
 }
 
 CommandListener::ShutdownCmd::ShutdownCmd(LogBuffer *buf, LogReader *reader,
@@ -296,6 +297,21 @@
     return 0;
 }
 
+CommandListener::ReinitCmd::ReinitCmd()
+        : LogCommand("reinit")
+{ }
+
+int CommandListener::ReinitCmd::runCommand(SocketClient *cli,
+                                         int /*argc*/, char ** /*argv*/) {
+    setname();
+
+    reinit_signal_handler(SIGHUP);
+
+    cli->sendMsg("success");
+
+    return 0;
+}
+
 int CommandListener::getLogSocket() {
     static const char socketName[] = "logd";
     int sock = android_get_control_socket(socketName);
diff --git a/logd/CommandListener.h b/logd/CommandListener.h
index cd1c306..83e06b4 100644
--- a/logd/CommandListener.h
+++ b/logd/CommandListener.h
@@ -23,6 +23,9 @@
 #include "LogReader.h"
 #include "LogListener.h"
 
+// See main.cpp for implementation
+void reinit_signal_handler(int /*signal*/);
+
 class CommandListener : public FrameworkListener {
     LogBuffer &mBuf;
 
@@ -60,6 +63,14 @@
     LogBufferCmd(GetStatistics)
     LogBufferCmd(GetPruneList)
     LogBufferCmd(SetPruneList)
+
+    class ReinitCmd : public LogCommand {
+    public:
+        ReinitCmd();
+        virtual ~ReinitCmd() {}
+        int runCommand(SocketClient *c, int argc, char ** argv);
+    };
+
 };
 
 #endif
diff --git a/logd/LogBuffer.cpp b/logd/LogBuffer.cpp
index edda6c4..2b495ab 100644
--- a/logd/LogBuffer.cpp
+++ b/logd/LogBuffer.cpp
@@ -92,10 +92,7 @@
     return value;
 }
 
-LogBuffer::LogBuffer(LastLogTimes *times)
-        : mTimes(*times) {
-    pthread_mutex_init(&mLogElementsLock, NULL);
-
+void LogBuffer::init() {
     static const char global_tuneable[] = "persist.logd.size"; // Settings App
     static const char global_default[] = "ro.logd.size";       // BoardConfig.mk
 
@@ -131,6 +128,13 @@
     }
 }
 
+LogBuffer::LogBuffer(LastLogTimes *times)
+        : mTimes(*times) {
+    pthread_mutex_init(&mLogElementsLock, NULL);
+
+    init();
+}
+
 void LogBuffer::log(log_id_t log_id, log_time realtime,
                     uid_t uid, pid_t pid, pid_t tid,
                     const char *msg, unsigned short len) {
diff --git a/logd/LogBuffer.h b/logd/LogBuffer.h
index b0003de..86a2a2a 100644
--- a/logd/LogBuffer.h
+++ b/logd/LogBuffer.h
@@ -46,6 +46,7 @@
     LastLogTimes &mTimes;
 
     LogBuffer(LastLogTimes *times);
+    void init();
 
     void log(log_id_t log_id, log_time realtime,
              uid_t uid, pid_t pid, pid_t tid,
diff --git a/logd/main.cpp b/logd/main.cpp
index 243bee4..2d799bf 100644
--- a/logd/main.cpp
+++ b/logd/main.cpp
@@ -17,7 +17,10 @@
 #include <dirent.h>
 #include <errno.h>
 #include <fcntl.h>
+#include <poll.h>
 #include <sched.h>
+#include <semaphore.h>
+#include <signal.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -30,6 +33,7 @@
 
 #include <cutils/properties.h>
 #include <cutils/sched_policy.h>
+#include <cutils/sockets.h>
 
 #include "private/android_filesystem_config.h"
 #include "CommandListener.h"
@@ -127,17 +131,100 @@
     return def;
 }
 
-// Foreground waits for exit of the three main persistent threads that
-// are started here.  The three threads are created to manage UNIX
-// domain client sockets for writing, reading and controlling the user
-// space logger.  Additional transitory per-client threads are created
-// for each reader once they register.
-int main() {
-    bool auditd = property_get_bool("logd.auditd", true);
+static sem_t reinit;
+static bool reinit_running = false;
+static LogBuffer *logBuf = NULL;
 
-    int fdDmesg = -1;
-    if (auditd && property_get_bool("logd.auditd.dmesg", true)) {
-        fdDmesg = open("/dev/kmsg", O_WRONLY);
+static void *reinit_thread_start(void * /*obj*/) {
+    prctl(PR_SET_NAME, "logd.daemon");
+    set_sched_policy(0, SP_BACKGROUND);
+
+    setgid(AID_LOGD);
+    setuid(AID_LOGD);
+
+    while (reinit_running && !sem_wait(&reinit) && reinit_running) {
+        // Anything that reads persist.<property>
+        if (logBuf) {
+            logBuf->init();
+        }
+    }
+
+    return NULL;
+}
+
+// Serves as a global method to trigger reinitialization
+// and as a function that can be provided to signal().
+void reinit_signal_handler(int /*signal*/) {
+    sem_post(&reinit);
+}
+
+// Remove the static, and use this variable
+// globally for debugging if necessary. eg:
+//   write(fdDmesg, "I am here\n", 10);
+static int fdDmesg = -1;
+
+// Foreground waits for exit of the main persistent threads
+// that are started here. The threads are created to manage
+// UNIX domain client sockets for writing, reading and
+// controlling the user space logger, and for any additional
+// logging plugins like auditd and restart control. Additional
+// transitory per-client threads are created for each reader.
+int main(int argc, char *argv[]) {
+    fdDmesg = open("/dev/kmsg", O_WRONLY);
+
+    // issue reinit command. KISS argument parsing.
+    if ((argc > 1) && argv[1] && !strcmp(argv[1], "--reinit")) {
+        int sock = TEMP_FAILURE_RETRY(
+            socket_local_client("logd",
+                                ANDROID_SOCKET_NAMESPACE_RESERVED,
+                                SOCK_STREAM));
+        if (sock < 0) {
+            return -errno;
+        }
+        static const char reinit[] = "reinit";
+        ssize_t ret = TEMP_FAILURE_RETRY(write(sock, reinit, sizeof(reinit)));
+        if (ret < 0) {
+            return -errno;
+        }
+        struct pollfd p;
+        memset(&p, 0, sizeof(p));
+        p.fd = sock;
+        p.events = POLLIN;
+        ret = TEMP_FAILURE_RETRY(poll(&p, 1, 100));
+        if (ret < 0) {
+            return -errno;
+        }
+        if ((ret == 0) || !(p.revents & POLLIN)) {
+            return -ETIME;
+        }
+        static const char success[] = "success";
+        char buffer[sizeof(success) - 1];
+        memset(buffer, 0, sizeof(buffer));
+        ret = TEMP_FAILURE_RETRY(read(sock, buffer, sizeof(buffer)));
+        if (ret < 0) {
+            return -errno;
+        }
+        return strncmp(buffer, success, sizeof(success) - 1) != 0;
+    }
+
+    // Reinit Thread
+    sem_init(&reinit, 0, 0);
+    pthread_attr_t attr;
+    if (!pthread_attr_init(&attr)) {
+        struct sched_param param;
+
+        memset(&param, 0, sizeof(param));
+        pthread_attr_setschedparam(&attr, &param);
+        pthread_attr_setschedpolicy(&attr, SCHED_BATCH);
+        if (!pthread_attr_setdetachstate(&attr,
+                                         PTHREAD_CREATE_DETACHED)) {
+            pthread_t thread;
+            reinit_running = true;
+            if (pthread_create(&thread, &attr, reinit_thread_start, NULL)) {
+                reinit_running = false;
+            }
+        }
+        pthread_attr_destroy(&attr);
     }
 
     if (drop_privs() != 0) {
@@ -153,7 +240,9 @@
     // LogBuffer is the object which is responsible for holding all
     // log entries.
 
-    LogBuffer *logBuf = new LogBuffer(times);
+    logBuf = new LogBuffer(times);
+
+    signal(SIGHUP, reinit_signal_handler);
 
     {
         char property[PROPERTY_VALUE_MAX];
@@ -195,9 +284,13 @@
     // initiated log messages. New log entries are added to LogBuffer
     // and LogReader is notified to send updates to connected clients.
 
+    bool auditd = property_get_bool("logd.auditd", true);
+
     if (auditd) {
+        bool dmesg = property_get_bool("logd.auditd.dmesg", true);
+
         // failure is an option ... messages are in dmesg (required by standard)
-        LogAudit *al = new LogAudit(logBuf, reader, fdDmesg);
+        LogAudit *al = new LogAudit(logBuf, reader, dmesg ? fdDmesg : -1);
 
         int len = klogctl(KLOG_SIZE_BUFFER, NULL, 0);
         if (len > 0) {
@@ -217,11 +310,10 @@
 
         if (al->startListener()) {
             delete al;
-            close(fdDmesg);
         }
     }
 
-    pause();
+    TEMP_FAILURE_RETRY(pause());
+
     exit(0);
 }
-
diff --git a/rootdir/init.rc b/rootdir/init.rc
index e3b5db9..bc36c3e 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -164,6 +164,7 @@
 # Load properties from /system/ + /factory after fs mount.
 on load_all_props_action
     load_all_props
+    start logd-reinit
 
 # Indicate to fw loaders that the relevant mounts are up.
 on firmware_mounts_complete
@@ -430,6 +431,7 @@
 
 on property:vold.decrypt=trigger_load_persist_props
     load_persist_props
+    start logd-reinit
 
 on property:vold.decrypt=trigger_post_fs_data
     trigger post-fs-data
@@ -472,6 +474,10 @@
     socket logdr seqpacket 0666 logd logd
     socket logdw dgram 0222 logd logd
 
+service logd-reinit /system/bin/logd --reinit
+    oneshot
+    disabled
+
 service healthd /sbin/healthd
     class core
     critical