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Avoid accessing the current job's process table in the child part of

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forkshell() after it has been freed. This caused mysterious behaviour
when anything but the first command in a pipeline tried to access the
terminal when the `junk' malloc() option was enabled (which is the default).
This commit is contained in:
Tim J. Robbins 2002-08-18 06:43:44 +00:00
parent e92a3d83fc
commit 4f8fa749f0
1 changed files with 5 additions and 3 deletions
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8
bin/sh/jobs.c
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@ -741,9 +741,6 @@ forkshell(struct job *jp, union node *n, int mode)
TRACE(("Child shell %d\n", (int)getpid()));
wasroot = rootshell;
rootshell = 0;
for (i = njobs, p = jobtab ; --i >= 0 ; p++)
if (p->used)
freejob(p);
closescript();
INTON;
clear_traps();
@ -785,6 +782,11 @@ forkshell(struct job *jp, union node *n, int mode)
}
}
#endif
INTOFF;
for (i = njobs, p = jobtab ; --i >= 0 ; p++)
if (p->used)
freejob(p);
INTON;
if (wasroot && iflag) {
setsignal(SIGINT);
setsignal(SIGQUIT);