def add_tid_fd(self, event, cpu):
ret = event["ret"]
t = self.tids[cpu.current_tid]
# if it's a thread, we want the parent
if t.pid != -1 and t.tid != t.pid:
t = self.tids[t.pid]
current_syscall = self.tids[cpu.current_tid].current_syscall
name = current_syscall["filename"]
if name not in sv.SyscallConsts.GENERIC_NAMES \
and name in t.closed_fds.keys():
fd = t.closed_fds[name]
fd.open += 1
else:
fd = sv.FD()
fd.filename = name
if current_syscall["name"] in sv.SyscallConsts.NET_OPEN_SYSCALLS:
fd.family = current_syscall["family"]
if fd.family in sv.SyscallConsts.INET_FAMILIES:
fd.fdtype = sv.FDType.net
fd.open = 1
if ret >= 0:
fd.fd = ret
else:
return
if "cloexec" in current_syscall.keys():
fd.cloexec = 1
t.fds[fd.fd] = fd
def get_fd(self, proc, fd):
if fd not in proc.fds.keys():
f = sv.FD()
f.fd = fd
f.filename = "unknown (origin not found)"
proc.fds[fd] = f
else:
f = proc.fds[fd]
return f
def _process_lttng_statedump_file_descriptor(self, event):
pid = event["pid"]
fd = event["fd"]
filename = event["filename"]
if pid not in self.tids:
p = sv.Process()
p.pid = pid
p.tid = pid
self.tids[pid] = p
else:
p = self.tids[pid]
if fd not in p.fds.keys():
newfile = sv.FD()
newfile.filename = filename
newfile.fd = fd
# FIXME: we don't have the info, just assume for now
newfile.cloexec = 1
p.fds[fd] = newfile
else:
# just fix the filename
p.fds[fd].filename = filename
def dup_fd(self, fd):
f = sv.FD()
f.filename = fd.filename
f.fd = fd.fd
f.fdtype = fd.fdtype
return f