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hush: preparatory patch for set -o pipefail support

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2010-11-14 01:59:55 +01:00
parent 2b662c5dec
commit c08c3f5d26
1 changed files with 5 additions and 4 deletions
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9
shell/hush.c
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@ -6309,7 +6309,8 @@ static int checkjobs(struct pipe *fg_pipe)
#endif
/* Were we asked to wait for fg pipe? */
if (fg_pipe) {
for (i = 0; i < fg_pipe->num_cmds; i++) {
i = fg_pipe->num_cmds;
while (--i >= 0) {
debug_printf_jobs("check pid %d\n", fg_pipe->cmds[i].pid);
if (fg_pipe->cmds[i].pid != childpid)
continue;
@ -6338,19 +6339,19 @@ static int checkjobs(struct pipe *fg_pipe)
}
debug_printf_jobs("fg_pipe: alive_cmds %d stopped_cmds %d\n",
fg_pipe->alive_cmds, fg_pipe->stopped_cmds);
if (fg_pipe->alive_cmds - fg_pipe->stopped_cmds <= 0) {
if (fg_pipe->alive_cmds == fg_pipe->stopped_cmds) {
/* All processes in fg pipe have exited or stopped */
/* Note: *non-interactive* bash does not continue if all processes in fg pipe
* are stopped. Testcase: "cat | cat" in a script (not on command line!)
* and "killall -STOP cat" */
if (G_interactive_fd) {
#if ENABLE_HUSH_JOB
if (fg_pipe->alive_cmds)
if (fg_pipe->alive_cmds != 0)
insert_bg_job(fg_pipe);
#endif
return rcode;
}
if (!fg_pipe->alive_cmds)
if (fg_pipe->alive_cmds == 0)
return rcode;
}
/* There are still running processes in the fg pipe */