liblog: don't bother keeping FD around once it's mapped.
am: bfd8eafa1d
Change-Id: Iafdd03591b8322b03f302a8a969c7a32e0cbd7a7
diff --git a/healthd/healthd_mode_charger.cpp b/healthd/healthd_mode_charger.cpp
index 5846626..66f9271 100644
--- a/healthd/healthd_mode_charger.cpp
+++ b/healthd/healthd_mode_charger.cpp
@@ -257,13 +257,13 @@
static int draw_text(const char *str, int x, int y)
{
- int str_len_px = gr_measure(str);
+ int str_len_px = gr_measure(gr_sys_font(), str);
if (x < 0)
x = (gr_fb_width() - str_len_px) / 2;
if (y < 0)
y = (gr_fb_height() - char_height) / 2;
- gr_text(x, y, str, 0);
+ gr_text(gr_sys_font(), x, y, str, 0);
return y + char_height;
}
@@ -364,7 +364,7 @@
}
gr_init();
- gr_font_size(&char_width, &char_height);
+ gr_font_size(gr_sys_font(), &char_width, &char_height);
#ifndef CHARGER_DISABLE_INIT_BLANK
gr_fb_blank(true);
diff --git a/include/android/log.h b/include/android/log.h
index 1c171b7..391c826 100644
--- a/include/android/log.h
+++ b/include/android/log.h
@@ -89,6 +89,11 @@
} android_LogPriority;
/*
+ * Release any logger resources (a new log write will immediately re-acquire)
+ */
+void __android_log_close();
+
+/*
* Send a simple string to the log.
*/
int __android_log_write(int prio, const char *tag, const char *text);
diff --git a/liblog/logger_write.c b/liblog/logger_write.c
index b802ed7..c7b5a84 100644
--- a/liblog/logger_write.c
+++ b/liblog/logger_write.c
@@ -132,6 +132,41 @@
}
return kLogNotAvailable;
}
+/*
+ * Release any logger resources. A new log write will immediately re-acquire.
+ */
+LIBLOG_ABI_PUBLIC void __android_log_close()
+{
+ struct android_log_transport_write *transport;
+
+ __android_log_lock();
+
+ write_to_log = __write_to_log_init;
+
+ /*
+ * Threads that are actively writing at this point are not held back
+ * by a lock and are at risk of dropping the messages with a return code
+ * -EBADF. Prefer to return error code than add the overhead of a lock to
+ * each log writing call to guarantee delivery. In addition, anyone
+ * calling this is doing so to release the logging resources and shut down,
+ * for them to do so with outstanding log requests in other threads is a
+ * disengenuous use of this function.
+ */
+
+ write_transport_for_each(transport, &__android_log_persist_write) {
+ if (transport->close) {
+ (*transport->close)();
+ }
+ }
+
+ write_transport_for_each(transport, &__android_log_transport_write) {
+ if (transport->close) {
+ (*transport->close)();
+ }
+ }
+
+ __android_log_unlock();
+}
/* log_init_lock assumed */
static int __write_to_log_initialize()
diff --git a/liblog/tests/liblog_test.cpp b/liblog/tests/liblog_test.cpp
index 6aa4fb7..f0acdf8 100644
--- a/liblog/tests/liblog_test.cpp
+++ b/liblog/tests/liblog_test.cpp
@@ -132,12 +132,17 @@
ASSERT_TRUE(NULL != (logger_list = android_logger_list_open(
LOG_ID_EVENTS, ANDROID_LOG_RDONLY | ANDROID_LOG_NONBLOCK, 1000, pid)));
+ // Check that we can close and reopen the logger
log_time ts(CLOCK_MONOTONIC);
-
ASSERT_LT(0, __android_log_btwrite(0, EVENT_TYPE_LONG, &ts, sizeof(ts)));
+ __android_log_close();
+
+ log_time ts1(CLOCK_MONOTONIC);
+ ASSERT_LT(0, __android_log_btwrite(0, EVENT_TYPE_LONG, &ts1, sizeof(ts1)));
usleep(1000000);
int count = 0;
+ int second_count = 0;
for (;;) {
log_msg log_msg;
@@ -161,10 +166,13 @@
log_time tx(eventData + 4 + 1);
if (ts == tx) {
++count;
+ } else if (ts1 == tx) {
+ ++second_count;
}
}
EXPECT_EQ(1, count);
+ EXPECT_EQ(1, second_count);
android_logger_list_close(logger_list);
}
diff --git a/libutils/RefBase.cpp b/libutils/RefBase.cpp
index f90e28b..4ead19c 100644
--- a/libutils/RefBase.cpp
+++ b/libutils/RefBase.cpp
@@ -575,15 +575,14 @@
// grab a strong-reference, which is always safe due to the
// extended life-time.
curCount = impl->mStrong.fetch_add(1, std::memory_order_relaxed);
- }
-
- // If the strong reference count has already been incremented by
- // someone else, the implementor of onIncStrongAttempted() is holding
- // an unneeded reference. So call onLastStrongRef() here to remove it.
- // (No, this is not pretty.) Note that we MUST NOT do this if we
- // are in fact acquiring the first reference.
- if (curCount > 0 && curCount < INITIAL_STRONG_VALUE) {
- impl->mBase->onLastStrongRef(id);
+ // If the strong reference count has already been incremented by
+ // someone else, the implementor of onIncStrongAttempted() is holding
+ // an unneeded reference. So call onLastStrongRef() here to remove it.
+ // (No, this is not pretty.) Note that we MUST NOT do this if we
+ // are in fact acquiring the first reference.
+ if (curCount != 0 && curCount != INITIAL_STRONG_VALUE) {
+ impl->mBase->onLastStrongRef(id);
+ }
}
}
@@ -593,7 +592,7 @@
ALOGD("attemptIncStrong of %p from %p: cnt=%d\n", this, id, curCount);
#endif
- // curCount is the value of mStrong before we increment ed it.
+ // curCount is the value of mStrong before we incremented it.
// Now we need to fix-up the count if it was INITIAL_STRONG_VALUE.
// This must be done safely, i.e.: handle the case where several threads
// were here in attemptIncStrong().
diff --git a/logd/LogBuffer.cpp b/logd/LogBuffer.cpp
index 8c30f79..79a7e8c 100644
--- a/logd/LogBuffer.cpp
+++ b/logd/LogBuffer.cpp
@@ -691,7 +691,7 @@
&& ((!gc && (element->getPid() == worstPid))
|| (mLastWorstPidOfSystem[id].find(element->getPid())
== mLastWorstPidOfSystem[id].end()))) {
- mLastWorstPidOfSystem[id][element->getUid()] = it;
+ mLastWorstPidOfSystem[id][element->getPid()] = it;
}
if ((!gc && !worstPid && (element->getUid() == worst))
|| (mLastWorstUid[id].find(element->getUid())