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spawn hangs for non-Cygwin programs
- To: cygwin at cygwin dot com
- Subject: spawn hangs for non-Cygwin programs
- From: Bob Wilson <bwilson at tensilica dot com>
- Date: 2001年2月28日 13:24:10 -0800
- Organization: Tensilica, Inc.
I have a Cygwin program that contains the following call to invoke a
child process:
pid = spawnvp((int)_P_NOWAIT, argv[0], argv);
Sometime between Cygwin 1.1.4 and 1.1.8 it seems to have stopped
working. If the child is another Cygwin program, then everything is
fine. If the child was compiled with -mno-cygwin, however, the spawnvp
call never returns (as if I hadn't specified _P_NOWAIT).
Is this supposed to work? If not, is it a known problem? I'm
tentatively planning to rewrite my code to call CreateProcess directly
but I thought I should report the problem in case no one else has
encountered this yet.
--
Bob Wilson Tel: (408) 327-7312
Tensilica, Inc. Fax: (408) 986-8919
3255-6 Scott Blvd. email: bwilson@tensilica.com
Santa Clara, CA 95054
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