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Sync OpenBSD patchset 382:

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Collect status from dead jobs and don't invoke the callback until both
all input (the socket is closed) and status is available.
This commit is contained in:
Tiago Cunha 2009-10-12 00:21:08 +00:00
parent b26ea8462e
commit 1b03bc2404
3 changed files with 38 additions and 9 deletions
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7
job.c
View File

@ -1,4 +1,4 @@
/* $Id: job.c,v 1.3 2009-10-12 00:12:32 tcunha Exp $ */
/* $Id: job.c,v 1.4 2009-10-12 00:21:08 tcunha Exp $ */
/*
* Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
@ -104,6 +104,8 @@ job_add(struct jobs *jobs, struct client *c, const char *cmd,
job->freefn = freefn;
job->data = data;
job->flags = JOB_DONE;
RB_INSERT(jobs, jobs, job);
SLIST_INSERT_HEAD(&all_jobs, job, lentry);
@ -132,8 +134,9 @@ job_run(struct job *job)
{
int nullfd, out[2], mode;
if (job->fd != -1)
if (!(job->flags & JOB_DONE))
return (0);
job->flags &= ~JOB_DONE;
if (pipe(out) != 0)
return (-1);

34
server.c
View File

@ -1,4 +1,4 @@
/* $Id: server.c,v 1.203 2009-10-12 00:18:19 tcunha Exp $ */
/* $Id: server.c,v 1.204 2009-10-12 00:21:08 tcunha Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -87,6 +87,7 @@ void server_check_window(struct window *);
void server_check_redraw(struct client *);
void server_set_title(struct client *);
void server_check_timers(struct client *);
void server_check_jobs(void);
void server_lock_server(void);
void server_lock_sessions(void);
void server_check_clients(void);
@ -373,7 +374,8 @@ server_main(int srv_fd)
sigusr1 = 0;
}
/* Process client actions. */
/* Collect any jobs that have died and process clients. */
server_check_jobs();
server_check_clients();
/* Initialise pollfd array and add server socket. */
@ -392,7 +394,6 @@ server_main(int srv_fd)
/* Do the poll. */
pfds = server_poll_flatten(&nfds);
log_debug("polling %d", nfds);
if (poll(pfds, nfds, xtimeout) == -1) {
if (errno == EAGAIN || errno == EINTR)
continue;
@ -513,6 +514,7 @@ server_child_signal(void)
{
struct window *w;
struct window_pane *wp;
struct job *job;
int status;
pid_t pid;
u_int i;
@ -526,8 +528,15 @@ server_child_signal(void)
case 0:
return;
}
if (!WIFSTOPPED(status))
if (!WIFSTOPPED(status)) {
SLIST_FOREACH(job, &all_jobs, lentry) {
if (pid == job->pid) {
job->pid = -1;
job->status = status;
}
}
continue;
}
if (WSTOPSIG(status) == SIGTTIN || WSTOPSIG(status) == SIGTTOU)
continue;
@ -795,12 +804,25 @@ server_handle_jobs(void)
if (buffer_poll(pfd, job->out, NULL) != 0) {
close(job->fd);
job->fd = -1;
if (job->callbackfn != NULL)
job->callbackfn(job);
}
}
}
/* Handle job fds. */
void
server_check_jobs(void)
{
struct job *job;
SLIST_FOREACH(job, &all_jobs, lentry) {
if (job->flags & JOB_DONE || job->fd != -1 || job->pid != -1)
continue;
if (job->callbackfn != NULL)
job->callbackfn(job);
job->flags |= JOB_DONE;
}
}
/* Handle client pollfds. */
void
server_handle_clients(void)

6
tmux.h
View File

@ -1,4 +1,4 @@
/* $Id: tmux.h,v 1.467 2009-10-12 00:18:19 tcunha Exp $ */
/* $Id: tmux.h,v 1.468 2009-10-12 00:21:08 tcunha Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -565,6 +565,7 @@ ARRAY_DECL(keylist, int);
struct job {
char *cmd;
pid_t pid;
int status;
struct client *client;
@ -575,6 +576,9 @@ struct job {
void (*freefn)(void *);
void *data;
int flags;
#define JOB_DONE 0x1
RB_ENTRY(job) entry;
SLIST_ENTRY(job) lentry;
};