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-rw-r--r--pym/portage.py17
1 files changed, 13 insertions, 4 deletions
diff --git a/pym/portage.py b/pym/portage.py
index bc3b72411..47d204b63 100644
--- a/pym/portage.py
+++ b/pym/portage.py
@@ -2343,6 +2343,18 @@ def spawn(mystring, mysettings, debug=0, free=0, droppriv=0, sesandbox=0, fakero
env=mysettings.environ()
keywords["opt_name"]="[%s]" % mysettings["PF"]
+ fd_pipes = keywords.get("fd_pipes")
+ if fd_pipes is None:
+ fd_pipes = {0:0, 1:1, 2:2}
+ # In some cases the above print statements don't flush stdout, so
+ # it needs to be flushed before allowing a child process to use it
+ # so that output always shows in the correct order.
+ for fd in fd_pipes.itervalues():
+ if fd == sys.stdout.fileno():
+ sys.stdout.flush()
+ if fd == sys.stderr.fileno():
+ sys.stderr.flush()
+
# The default policy for the sesandbox domain only allows entry (via exec)
# from shells and from binaries that belong to portage (the number of entry
# points is minimized). The "tee" binary is not among the allowed entry
@@ -2356,10 +2368,7 @@ def spawn(mystring, mysettings, debug=0, free=0, droppriv=0, sesandbox=0, fakero
got_pty = False
if logfile:
del keywords["logfile"]
- fd_pipes = keywords.get("fd_pipes")
- if fd_pipes is None:
- fd_pipes = {0:0, 1:1, 2:2}
- elif 1 not in fd_pipes or 2 not in fd_pipes:
+ if 1 not in fd_pipes or 2 not in fd_pipes:
raise ValueError(fd_pipes)
from pty import openpty
try: