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18264: free job table entries properly in subshell

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This commit is contained in:
Peter Stephenson 2003-02-21 14:37:03 +00:00
parent 4e6c75fa78
commit ee7bdbf85d
2 changed files with 40 additions and 27 deletions
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62
Src/jobs.c
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@ -789,30 +789,28 @@ deletefilelist(LinkList file_list)
/**/
void
deletejob(Job jn)
freejob(Job jn, int deleting)
{
struct process *pn, *nx;
if (jn->stat & STAT_ATTACH) {
attachtty(mypgrp);
adjustwinsize(0);
}
pn = jn->procs;
jn->procs = NULL;
for (; pn; pn = nx) {
nx = pn->next;
zfree(pn, sizeof(struct process));
}
deletefilelist(jn->filelist);
if (jn->ty)
zfree(jn->ty, sizeof(struct ttyinfo));
if (jn->pwd)
zsfree(jn->pwd);
jn->pwd = NULL;
if (jn->stat & STAT_WASSUPER)
deletejob(jobtab + jn->other);
if (jn->stat & STAT_WASSUPER) {
if (deleting)
deletejob(jobtab + jn->other);
else
freejob(jobtab + jn->other, 0);
}
jn->gleader = jn->other = 0;
jn->stat = jn->stty_in_env = 0;
jn->procs = NULL;
@ -820,6 +818,24 @@ deletejob(Job jn)
jn->ty = NULL;
}
/*
* We are actually finished with this job, rather
* than freeing it to make space.
*/
/**/
void
deletejob(Job jn)
{
deletefilelist(jn->filelist);
if (jn->stat & STAT_ATTACH) {
attachtty(mypgrp);
adjustwinsize(0);
}
freejob(jn, 1);
}
/* add a process to the current job */
/**/
@ -975,24 +991,16 @@ clearjobtab(int monitor)
int i;
for (i = 1; i < MAXJOB; i++) {
if (jobtab[i].ty) {
zfree(jobtab[i].ty, sizeof(struct ttyinfo));
jobtab[i].ty = NULL;
}
if (jobtab[i].pwd) {
zsfree(jobtab[i].pwd);
jobtab[i].pwd = NULL;
}
if (monitor) {
/*
* See if there is a jobtable worth saving.
* We never free the saved version; it only happens
* once for each subshell of a shell with job control,
* so doesn't create a leak.
*/
if (jobtab[i].stat)
oldmaxjob = i+1;
}
/*
* See if there is a jobtable worth saving.
* We never free the saved version; it only happens
* once for each subshell of a shell with job control,
* so doesn't create a leak.
*/
if (monitor && jobtab[i].stat)
oldmaxjob = i+1;
else if (jobtab[i].stat & STAT_INUSE)
freejob(jobtab + i, 0);
}
if (monitor && oldmaxjob) {