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Top Forums Shell Programming and Scripting Strange SIGINT propagation between Parent/Child sh scripts Post 302362119 by jp2542a on Thursday 15th of October 2009 04:19:29 AM
Old 10-15-2009
That's because the sleep procs didn't get a kill signal. The parent got it. It then killed the kids. But the sleeps (which are kids of the children of parent) did not get a kill. So they continue to sleep. Note that the parent of the sleeps have changed from the original parents to proc id 1 (aka init). The parents died, but the sleeps are still sleeping...
 

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BUF_TIMELOCK(9) 					   BSD Kernel Developer's Manual					   BUF_TIMELOCK(9)

NAME
BUF_TIMELOCK -- locks a buffer SYNOPSIS
#include <sys/param.h> #include <sys/systm.h> #include <sys/uio.h> #include <sys/bio.h> #include <sys/buf.h> int BUF_TIMELOCK(struct buf *bp, int locktype, char *wmesg, int catch, int timo); DESCRIPTION
The BUF_TIMELOCK() function locks the given buffer, and limits the amount of time it will sleep to timo and OR's catch into the sleep's pri- ority. wmesg is the wmesg used in the sleep. Its arguments are: bp The buffer to lock. locktype Flags controlling the type of lock. See lockmgr(9) for details. wmesg The wmesg used in any sleeps while acquiring the lock. catch Priority OR'd into the sleep's priority. timo The timeout for any sleeps encountered during the lock. RETURN VALUES
A value of 0 is returned on success. See lockmgr(9) for details on non-zero return values. SEE ALSO
buf(9), BUF_LOCK(9), BUF_UNLOCK(9), lockmgr(9) AUTHORS
This manual page was written by Chad David <davidc@acns.ab.ca>. BSD
July 9, 2001 BSD
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