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commit bash-20090115 snapshot

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This commit is contained in:
Chet Ramey
2011-12-07 09:35:52 -05:00
parent 4f562c6df4
commit e141c35a07
121 changed files with 1640 additions and 16260 deletions
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execute_cmd.c
+53 -5
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@@ -1438,6 +1438,7 @@ static struct cpelement *cpe_alloc __P((struct coproc *));
static void cpe_dispose __P((struct cpelement *));
static struct cpelement *cpl_add __P((struct coproc *));
static struct cpelement *cpl_delete __P((pid_t));
static void cpl_reap __P((void));
static void cpl_flush __P((void));
static struct cpelement *cpl_search __P((pid_t));
static struct cpelement *cpl_searchbyname __P((char *));
@@ -1447,8 +1448,7 @@ Coproc sh_coproc = { 0, NO_PID, -1, -1, 0, 0 };
cplist_t coproc_list = {0, 0, 0};
/* Functions to manage the list of exited background pids whose status has
been saved. */
/* Functions to manage the list of coprocs */
static struct cpelement *
cpe_alloc (cp)
@@ -1527,6 +1527,37 @@ cpl_delete (pid)
return (p);
}
static void
cpl_reap ()
{
struct cpelement *prev, *p;
for (prev = p = coproc_list.head; p; prev = p, p = p->next)
if (p->coproc->c_flags & COPROC_DEAD)
{
prev->next = p->next; /* remove from list */
/* Housekeeping in the border cases. */
if (p == coproc_list.head)
coproc_list.head = coproc_list.head->next;
else if (p == coproc_list.tail)
coproc_list.tail = prev;
coproc_list.ncoproc--;
if (coproc_list.ncoproc == 0)
coproc_list.head = coproc_list.tail = 0;
else if (coproc_list.ncoproc == 1)
coproc_list.tail = coproc_list.head; /* just to make sure */
#if defined (DEBUG)
itrace("cpl_reap: deleting %d", p->coproc->c_pid);
#endif
coproc_dispose (p->coproc);
cpe_dispose (p);
}
}
/* Clear out the list of saved statuses */
static void
cpl_flush ()
@@ -1679,6 +1710,16 @@ coproc_closeall ()
coproc_close (&sh_coproc);
}
void
coproc_reap ()
{
struct coproc *cp;
cp = &sh_coproc;
if (cp && (cp->c_flags & COPROC_DEAD))
coproc_dispose (cp);
}
void
coproc_rclose (cp, fd)
struct coproc *cp;
@@ -1751,9 +1792,9 @@ coproc_fdrestore (cp)
cp->c_rfd = cp->c_rsave;
cp->c_wfd = cp->c_wsave;
}
void
coproc_pidchk (pid)
coproc_pidchk (pid, status)
pid_t pid;
{
struct coproc *cp;
@@ -1764,7 +1805,14 @@ coproc_pidchk (pid)
itrace("coproc_pidchk: pid %d has died", pid);
#endif
if (cp)
coproc_dispose (cp);
{
cp->c_status = status;
cp->c_flags |= COPROC_DEAD;
cp->c_flags &= ~COPROC_RUNNING;
#if 0
coproc_dispose (cp);
#endif
}
}
void