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am c57b5c50: Merge "Small logging cleanup."

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* commit 'c57b5c5094f915ff975a256e086d58e2e7cfedf1':
  Small logging cleanup.
This commit is contained in:
Elliott Hughes 2015-02-02 20:46:39 +00:00 committed by Android Git Automerger
commit 815fc9bc9e
1 changed files with 11 additions and 13 deletions
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24
libc/bionic/libc_logging.cpp
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@ -438,7 +438,7 @@ static int __libc_write_stderr(const char* tag, const char* msg) {
vec[1].iov_base = const_cast<char*>(": ");
vec[1].iov_len = 2;
vec[2].iov_base = const_cast<char*>(msg);
vec[2].iov_len = strlen(msg) + 1;
vec[2].iov_len = strlen(msg);
vec[3].iov_base = const_cast<char*>("\n");
vec[3].iov_len = 1;
@ -448,8 +448,7 @@ static int __libc_write_stderr(const char* tag, const char* msg) {
}
#ifdef TARGET_USES_LOGD
static int __libc_open_log_socket()
{
static int __libc_open_log_socket() {
// ToDo: Ideally we want this to fail if the gid of the current
// process is AID_LOGD, but will have to wait until we have
// registered this in private/android_filesystem_config.h. We have
@ -491,7 +490,6 @@ struct log_time { // Wire format
static int __libc_write_log(int priority, const char* tag, const char* msg) {
#ifdef TARGET_USES_LOGD
int main_log_fd = __libc_open_log_socket();
if (main_log_fd == -1) {
// Try stderr instead.
return __libc_write_stderr(tag, msg);
@ -515,9 +513,9 @@ static int __libc_write_log(int priority, const char* tag, const char* msg) {
vec[3].iov_base = &priority;
vec[3].iov_len = 1;
vec[4].iov_base = const_cast<char*>(tag);
vec[4].iov_len = strlen(tag) + 1;
vec[4].iov_len = strlen(tag);
vec[5].iov_base = const_cast<char*>(msg);
vec[5].iov_len = strlen(msg) + 1;
vec[5].iov_len = strlen(msg);
#else
int main_log_fd = TEMP_FAILURE_RETRY(open("/dev/log/main", O_CLOEXEC | O_WRONLY));
if (main_log_fd == -1) {
@ -532,9 +530,9 @@ static int __libc_write_log(int priority, const char* tag, const char* msg) {
vec[0].iov_base = &priority;
vec[0].iov_len = 1;
vec[1].iov_base = const_cast<char*>(tag);
vec[1].iov_len = strlen(tag) + 1;
vec[1].iov_len = strlen(tag);
vec[2].iov_base = const_cast<char*>(msg);
vec[2].iov_len = strlen(msg) + 1;
vec[2].iov_len = strlen(msg);
#endif
int result = TEMP_FAILURE_RETRY(writev(main_log_fd, vec, sizeof(vec) / sizeof(vec[0])));
@ -614,7 +612,7 @@ void __fortify_chk_fail(const char* msg, uint32_t tag) {
if (tag != 0) {
__libc_android_log_event_uid(tag);
}
__libc_fatal("FORTIFY_SOURCE: %s. Calling abort().", msg);
__libc_fatal("FORTIFY: %s", msg);
}
static void __libc_fatal(const char* format, va_list args) {
@ -622,12 +620,12 @@ static void __libc_fatal(const char* format, va_list args) {
BufferOutputStream os(msg, sizeof(msg));
out_vformat(os, format, args);
// log to stderr for the benefit of "adb shell" users.
// Log to stderr for the benefit of "adb shell" users.
struct iovec iov[2] = {
{msg, strlen(msg)},
{const_cast<void*>(static_cast<const void*>("\n")), 1},
{ msg, os.total },
{ const_cast<char*>("\n"), 1 },
};
writev(2, iov, 2);
TEMP_FAILURE_RETRY(writev(2, iov, 2));
// Log to the log for the benefit of regular app developers (whose stdout and stderr are closed).
__libc_write_log(ANDROID_LOG_FATAL, "libc", msg);