From eab21e5857e7b19a06196ec7a9c197bc599560a0 Mon Sep 17 00:00:00 2001
From: tgoodwin <tgoodwin>
Date: Wed, 18 Feb 1998 17:10:53 +0000
Subject: reinstate rc_wait (but right this time)

---
 system-bsd.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'system-bsd.c')

diff --git a/system-bsd.c b/system-bsd.c
index 1f62693..6bf7bb8 100644
--- a/system-bsd.c
+++ b/system-bsd.c
@@ -32,6 +32,7 @@ extern void writeall(int fd, char *buf, size_t remain) {
 
 extern int rc_read(int fd, char *buf, size_t n) {
 	ssize_t r;
+
 	interrupt_happened = FALSE;
 	if (!sigsetjmp(slowbuf.j, 1)) {
 		slow = TRUE;
@@ -49,6 +50,25 @@ extern int rc_read(int fd, char *buf, size_t n) {
 	return r;
 }
 
+static r = -1;
+extern pid_t rc_wait(int *stat) {
+	interrupt_happened = FALSE;
+	if (!sigsetjmp(slowbuf.j, 1)) {
+		slow = TRUE;
+		if (!interrupt_happened)
+			r = wait(stat);
+		else
+			r = -2;
+	} else
+		r = -2;
+	slow = FALSE;
+	if (r == -2) {
+		errno = EINTR;
+		r = -1;
+	}
+	return r;
+}
+
 /* signal-safe readline wrapper */
 #if READLINE
 extern char *rc_readline(char *prompt) {
-- 
cgit v1.2.3