From: Alan Cox <alan@linux.intel.com>
Date: Tue, 29 Dec 2015 22:43:14 +0000 (+0000)
Subject: signals: SIGCONT should be sent after a SIGHUP
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=be61af52a0101aa80b4a586cfb4b59ad02652930;p=FUZIX.git

signals: SIGCONT should be sent after a SIGHUP
---

diff --git a/Kernel/process.c b/Kernel/process.c
index 989a3c1f..b4f8d451 100644
--- a/Kernel/process.c
+++ b/Kernel/process.c
@@ -427,9 +427,10 @@ void unix_syscall(void)
 void sgrpsig(uint16_t pgrp, uint16_t sig)
 {
 	ptptr p;
-	for (p = ptab; p < ptab_end; ++p) {
-		if (p->p_pgrp == pgrp)
-			ssig(p, sig);
+	if (pgrp) {
+		for (p = ptab; p < ptab_end; ++p)
+			if (p->p_pgrp == pgrp)
+				ssig(p, sig);
 	}
 }
 
@@ -607,6 +608,7 @@ void doexit(int16_t val, int16_t val2)
                 if (p->p_pgrp == udata.u_ptab->p_pid) {
 			p->p_pgrp = 0;
 			ssig(p, SIGHUP);
+			ssig(p, SIGCONT);
 		}
 	}
 	tty_exit();
diff --git a/Kernel/tty.c b/Kernel/tty.c
index 4dc68334..c9ce5ffd 100644
--- a/Kernel/tty.c
+++ b/Kernel/tty.c
@@ -445,6 +445,7 @@ void tty_hangup(uint8_t minor)
         struct tty *t = &ttydata[minor];
         /* Kill users */
         sgrpsig(t->pgrp, SIGHUP);
+        sgrpsig(t->pgrp, SIGCONT);
         t->pgrp = 0;
         /* Stop any new I/O with errors */
         t->flag |= TTYF_DEAD;