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vere: add comment noting possible ctrl-z deadlock

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This commit is contained in:
Joe Bryan 2020-11-03 12:00:54 -08:00
parent 0d617eefc9
commit 94da5c9102
1 changed files with 3 additions and 0 deletions
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pkg/urbit/vere/disk.c
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@ -633,6 +633,9 @@ u3_disk_exit(u3_disk* log_u)
// cancel write thread
//
// XX can deadlock when called from signal handler
// XX revise SIGTSTP handling
//
if ( c3y == log_u->ted_o ) {
c3_i sas_i;