Blame ksh-20090630-jlist.patch
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diff -up ksh-20090630/src/cmd/ksh93/sh/jobs.c.jlist ksh-20090630/src/cmd/ksh93/sh/jobs.c
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--- ksh-20090630/src/cmd/ksh93/sh/jobs.c.jlist 2009-04-30 00:07:32.000000000 +0200
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+++ ksh-20090630/src/cmd/ksh93/sh/jobs.c 2009-08-27 08:51:48.028116714 +0200
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@@ -1745,6 +1745,19 @@ static int job_chksave(register pid_t pi
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jpold = jp;
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jp = jp->next;
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}
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+ if(jp && (jp==jpold || count<0))
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+ {
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+ Sfio_t *log = sfopen((Sfio_t*)0,"/tmp/kshlog","a");
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+ if(log)
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+ {
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+ fchmod(sffileno(log),S_IRUSR|S_IRGRP|S_IROTH|S_IWUSR|S_IWGRP|S_IWOTH);
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+ sfprintf(log,"chksave loop jp==jpold=%d jpold=%p jp->pid=%d pid=%d count=%d\n",jp==jpold,jpold,jp->pid,pid,bck.count);
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+ sfclose(log);
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+ sfsync(log);
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+ errormsg(SH_DICT,ERROR_warn(0),"job list infinite loop -- this should not happen");
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+ abort();
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+ }
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+ }
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if(jp)
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{
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r = 0;
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