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restore: Update real_pid comment

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Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
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Cyrill Gorcunov
2011-10-13 18:15:09 +04:00
parent 7fab1b23fd
commit f08ba92df2
1 changed files with 4 additions and 5 deletions
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9
cr-restore.c
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@@ -37,11 +37,10 @@ struct fmap_fd {
}; };
/* /*
* Some shared memory entries and pipe entries are created * real_pid member formerly served cases when
* only in one process and got shared by others. Because of * no fork-with-pid functionality were in kernel,
* this the real_pid member is used. It serves like a synchronization * so now it is being kept here just in case if
* point -- the process which creates a particular entity does set * we need it again.
* real_pid member and all other users do wait until this member is set.
*/ */
struct shmem_info { struct shmem_info {