diff options
Diffstat (limited to 'sys/kern/subr_log.c')
| -rw-r--r-- | sys/kern/subr_log.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/sys/kern/subr_log.c b/sys/kern/subr_log.c index d874fe87a3f..29cf214531e 100644 --- a/sys/kern/subr_log.c +++ b/sys/kern/subr_log.c @@ -1,4 +1,4 @@ -/* $OpenBSD: subr_log.c,v 1.3 1996/04/21 22:27:17 deraadt Exp $ */ +/* $OpenBSD: subr_log.c,v 1.4 1997/08/31 20:42:20 deraadt Exp $ */ /* $NetBSD: subr_log.c,v 1.11 1996/03/30 22:24:44 christos Exp $ */ /* @@ -60,6 +60,8 @@ struct logsoftc { int sc_state; /* see above for possibilities */ struct selinfo sc_selp; /* process waiting on select call */ int sc_pgid; /* process/group for async I/O */ + uid_t sc_siguid; /* uid for process that set sc_pgid */ + uid_t sc_sigeuid; /* euid for process that set sc_pgid */ } logsoftc; int log_open; /* also used in log() */ @@ -179,17 +181,12 @@ logselect(dev, rw, p) void logwakeup() { - struct proc *p; - if (!log_open) return; selwakeup(&logsoftc.sc_selp); - if (logsoftc.sc_state & LOG_ASYNC) { - if (logsoftc.sc_pgid < 0) - gsignal(-logsoftc.sc_pgid, SIGIO); - else if ((p = pfind(logsoftc.sc_pgid)) != NULL) - psignal(p, SIGIO); - } + if (logsoftc.sc_state & LOG_ASYNC) + csignal(logsoftc.sc_pgid, SIGIO, + logsoftc.sc_siguid, logsoftc.sc_sigeuid); if (logsoftc.sc_state & LOG_RDWAIT) { wakeup((caddr_t)msgbufp); logsoftc.sc_state &= ~LOG_RDWAIT; @@ -232,6 +229,8 @@ logioctl(dev, com, data, flag, p) case TIOCSPGRP: logsoftc.sc_pgid = *(int *)data; + logsoftc.sc_siguid = p->p_cred->p_ruid; + logsoftc.sc_sigeuid = p->p_ucred->cr_uid; break; case TIOCGPGRP: |