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From: | Paul Eggert |
Subject: | bug#17561: Emacs can forget processes |
Date: | Tue, 27 May 2014 17:47:41 -0700 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 |
Jorgen Schaefer wrote:
No output.
Ouch. It sounds like we may be barking up the wrong tree with the assumption that there is a kernel bug with vfork, then. It could be that it's just an strace bug.
I'm still suspicious of the interaction between pthread_sigmask and vfork, though. What happens if you do the following shell session, where "$" is the shell prompt and "(gdb)" is the GDB prompt?
$ grep -i pthread src/config.h $ ldd src/bootstrap-emacs | grep -i pthread $ gdb src/bootstrap-emacs (gdb) disas rpl_pthread_sigmask (gdb) disas pthread_sigmask (gdb) disas rpl_vfork (gdb) disas vfork (gdb) disas rpl_fork (gdb) disas fork
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