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ash: comment tweaks, no code changes

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2016-10-27 02:31:55 +02:00
parent 65a8b859a9
commit 70392331a9
1 changed files with 12 additions and 7 deletions
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19
shell/ash.c
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@ -2590,7 +2590,7 @@ setpwd(const char *val, int setold)
static void hashcd(void);
/*
* Actually do the chdir. We also call hashcd to let the routines in exec.c
* Actually do the chdir. We also call hashcd to let other routines
* know that the current directory has changed.
*/
static int
@ -4679,6 +4679,7 @@ clear_traps(void)
static void closescript(void);
/* Called after fork(), in child */
/* jp and n are NULL when called by openhere() for heredoc support */
static NOINLINE void
forkchild(struct job *jp, union node *n, int mode)
{
@ -4810,6 +4811,7 @@ forkparent(struct job *jp, union node *n, int mode, pid_t pid)
{
TRACE(("In parent shell: child = %d\n", pid));
if (!jp) {
/* jp is NULL when called by openhere() for heredoc support */
while (jobless && dowait(DOWAIT_NONBLOCK, NULL) > 0)
continue;
jobless++;
@ -4843,6 +4845,7 @@ forkparent(struct job *jp, union node *n, int mode, pid_t pid)
}
}
/* jp and n are NULL when called by openhere() for heredoc support */
static int
forkshell(struct job *jp, union node *n, int mode)
{
@ -4972,8 +4975,7 @@ stoppedjobs(void)
}
/* ============ redir.c
*
/*
* Code for dealing with input/output redirection.
*/
@ -5860,6 +5862,7 @@ evalbackcmd(union node *n, struct backcmd *result)
ash_msg_and_raise_error("pipe call failed");
jp = makejob(/*n,*/ 1);
if (forkshell(jp, n, FORK_NOJOB) == 0) {
/* child */
FORCE_INT_ON;
close(pip[0]);
if (pip[1] != 1) {
@ -5879,6 +5882,7 @@ evalbackcmd(union node *n, struct backcmd *result)
evaltree(n, EV_EXIT); /* actually evaltreenr... */
/* NOTREACHED */
}
/* parent */
close(pip[1]);
result->fd = pip[0];
result->jp = jp;
@ -8764,6 +8768,7 @@ evalsubshell(union node *n, int flags)
evaltreenr(n->nredir.n, flags);
/* never returns */
}
/* parent */
status = 0;
if (!backgnd)
status = waitforjob(jp);
@ -8869,6 +8874,7 @@ evalpipe(union node *n, int flags)
}
}
if (forkshell(jp, lp->n, n->npipe.pipe_backgnd) == 0) {
/* child */
INT_ON;
if (pip[1] >= 0) {
close(pip[0]);
@ -8884,6 +8890,7 @@ evalpipe(union node *n, int flags)
evaltreenr(lp->n, flags);
/* never returns */
}
/* parent */
if (prevfd >= 0)
close(prevfd);
prevfd = pip[0];
@ -9702,8 +9709,7 @@ breakcmd(int argc UNUSED_PARAM, char **argv)
}
/* ============ input.c
*
/*
* This implements the input routines used by the parser.
*/
@ -10198,8 +10204,7 @@ setinputstring(char *string)
}
/* ============ mail.c
*
/*
* Routines to check for mail.
*/