| commit | 17a62de1ff4c7548748a8d264382131f523f071a | |
| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | |
| Thu, 28 Aug 2014 20:08:39 +0000 (28 22:08 +0200) | ||
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | |
| Thu, 28 Aug 2014 20:09:29 +0000 (28 22:09 +0200) | ||
| tree | 8751a44b0738acbc264930a4e0d2a11c0bf499de | treesnapshot (tar.gz zip) |
| parent | 9570bc53fcc11d3cfe028989e611266e8d55bd09 | commitdiff |
Fix hang on fork
If e.g. a signal is being received while we are running fork(), the signal
thread may be having our SS lock when we make the space copy, and thus in the
child we can not take the SS lock any more.
* sysdeps/mach/hurd/fork.c (__fork): Lock SS->lock around __proc_dostop call.
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
If e.g. a signal is being received while we are running fork(), the signal
thread may be having our SS lock when we make the space copy, and thus in the
child we can not take the SS lock any more.
* sysdeps/mach/hurd/fork.c (__fork): Lock SS->lock around __proc_dostop call.
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
| ChangeLog | diffblobblamehistory | |
| sysdeps/mach/hurd/fork.c | diffblobblamehistory |