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-rw-r--r--lib/bb/build.py50
-rw-r--r--lib/bb/process.py25
2 files changed, 65 insertions, 10 deletions
diff --git a/lib/bb/build.py b/lib/bb/build.py
index 14dc5e061..cce01feba 100644
--- a/lib/bb/build.py
+++ b/lib/bb/build.py
@@ -329,14 +329,50 @@ exit $?
else:
logfile = sys.stdout
- bb.debug(2, "Executing shell function %s" % func)
+ def readfifo(data):
+ lines = data.split('\0')
+ for line in lines:
+ splitval = line.split(' ', 1)
+ cmd = splitval[0]
+ if len(splitval) > 1:
+ value = splitval[1]
+ else:
+ value = ''
+ if cmd == 'bbplain':
+ bb.plain(value)
+ elif cmd == 'bbnote':
+ bb.note(value)
+ elif cmd == 'bbwarn':
+ bb.warn(value)
+ elif cmd == 'bberror':
+ bb.error(value)
+ elif cmd == 'bbfatal':
+ # The caller will call exit themselves, so bb.error() is
+ # what we want here rather than bb.fatal()
+ bb.error(value)
+ elif cmd == 'bbdebug':
+ splitval = value.split(' ', 1)
+ level = int(splitval[0])
+ value = splitval[1]
+ bb.debug(level, value)
- try:
- with open(os.devnull, 'r+') as stdin:
- bb.process.run(cmd, shell=False, stdin=stdin, log=logfile)
- except bb.process.CmdError:
- logfn = d.getVar('BB_LOGFILE', True)
- raise FuncFailed(func, logfn)
+ tempdir = d.getVar('T', True)
+ fifopath = os.path.join(tempdir, 'fifo.%s' % os.getpid())
+ if os.path.exists(fifopath):
+ os.unlink(fifopath)
+ os.mkfifo(fifopath)
+ with open(fifopath, 'r+') as fifo:
+ try:
+ bb.debug(2, "Executing shell function %s" % func)
+
+ try:
+ with open(os.devnull, 'r+') as stdin:
+ bb.process.run(cmd, shell=False, stdin=stdin, log=logfile, extrafiles=[(fifo,readfifo)])
+ except bb.process.CmdError:
+ logfn = d.getVar('BB_LOGFILE', True)
+ raise FuncFailed(func, logfn)
+ finally:
+ os.unlink(fifopath)
bb.debug(2, "Shell function %s finished" % func)
diff --git a/lib/bb/process.py b/lib/bb/process.py
index 8b1aea9a1..d95a03d17 100644
--- a/lib/bb/process.py
+++ b/lib/bb/process.py
@@ -64,7 +64,7 @@ class Popen(subprocess.Popen):
options.update(kwargs)
subprocess.Popen.__init__(self, *args, **options)
-def _logged_communicate(pipe, log, input):
+def _logged_communicate(pipe, log, input, extrafiles):
if pipe.stdin:
if input is not None:
pipe.stdin.write(input)
@@ -79,6 +79,19 @@ def _logged_communicate(pipe, log, input):
if pipe.stderr is not None:
bb.utils.nonblockingfd(pipe.stderr.fileno())
rin.append(pipe.stderr)
+ for fobj, _ in extrafiles:
+ bb.utils.nonblockingfd(fobj.fileno())
+ rin.append(fobj)
+
+ def readextras():
+ for fobj, func in extrafiles:
+ try:
+ data = fobj.read()
+ except IOError as err:
+ if err.errno == errno.EAGAIN or err.errno == errno.EWOULDBLOCK:
+ data = None
+ if data is not None:
+ func(data)
try:
while pipe.poll() is None:
@@ -100,15 +113,21 @@ def _logged_communicate(pipe, log, input):
if data is not None:
errdata.append(data)
log.write(data)
+
+ readextras()
+
finally:
log.flush()
+
+ readextras()
+
if pipe.stdout is not None:
pipe.stdout.close()
if pipe.stderr is not None:
pipe.stderr.close()
return ''.join(outdata), ''.join(errdata)
-def run(cmd, input=None, log=None, **options):
+def run(cmd, input=None, log=None, extrafiles=[], **options):
"""Convenience function to run a command and return its output, raising an
exception when the command fails"""
@@ -124,7 +143,7 @@ def run(cmd, input=None, log=None, **options):
raise CmdError(cmd, exc)
if log:
- stdout, stderr = _logged_communicate(pipe, log, input)
+ stdout, stderr = _logged_communicate(pipe, log, input, extrafiles)
else:
stdout, stderr = pipe.communicate(input)