From ba2b5321c58c1a7420c7d9d31c1226584537bcaa Mon Sep 17 00:00:00 2001
From: tjg <tjg>
Date: Thu, 25 May 2000 14:31:27 +0000
Subject:   Portability: need special runes for read() returning EIO under job 
  control systems.

---
 open.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'open.c')

diff --git a/open.c b/open.c
index bac9f2c..60555b0 100644
--- a/open.c
+++ b/open.c
@@ -43,3 +43,21 @@ extern bool makeblocking(int fd) {
 	}
 	return TRUE;
 }
+
+/* make a file descriptor the same pgrp as us.  Returns TRUE if
+it changes anything. */
+
+extern bool makesamepgrp(int fd) {
+	pid_t grp;
+
+	grp = getpgrp();
+
+	if (tcgetpgrp(fd) == grp)
+		return FALSE;
+
+	if (tcsetpgrp(fd, grp) < 0) {
+		uerror("tcsetgrp");
+		return FALSE;
+	}
+	return TRUE;
+}
-- 
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