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am 36462d9d: Merge "Add more logging for dup(fd) failure" into lmp-dev

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* commit '36462d9de00105ae46ee3dbb0f644fa6af599f97':
  Add more logging for dup(fd) failure
This commit is contained in:
Michael Lentine 2014-10-02 19:18:26 +00:00 committed by Android Git Automerger
commit df035b91df
1 changed files with 15 additions and 3 deletions
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18
libs/binder/Parcel.cpp
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@ -36,6 +36,7 @@
#include <private/binder/binder_module.h>
#include <fcntl.h>
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
@ -1280,11 +1281,22 @@ status_t Parcel::read(FlattenableHelperInterface& val) const
status_t err = NO_ERROR;
for (size_t i=0 ; i<fd_count && err==NO_ERROR ; i++) {
fds[i] = dup(this->readFileDescriptor());
int oldfd = this->readFileDescriptor();
fds[i] = dup(oldfd);
if (fds[i] < 0) {
int dupErrno = errno;
err = BAD_VALUE;
ALOGE("dup() failed in Parcel::read, i is %zu, fds[i] is %d, fd_count is %zu, error: %s",
i, fds[i], fd_count, strerror(errno));
int flags = fcntl(oldfd, F_GETFD);
int fcntlErrno = errno;
const flat_binder_object* flat = readObject(true);
ALOGE("dup failed in Parcel::read, fd %zu of %zu\n"
" dup(%d) = %d [errno: %d (%s)]\n"
" fcntl(%d, F_GETFD) = %d [errno: %d (%s)]\n"
" flat %p type %d",
i, fd_count,
oldfd, fds[i], dupErrno, strerror(dupErrno),
oldfd, flags, fcntlErrno, strerror(fcntlErrno),
flat, flat ? flat->type : 0);
}
}