POSIX: add tcsetsid()

Change-Id: Ia8f41e417379dcaf4f976933cf91bb2de157bc72 Reviewed-on: https://review.haiku-os.org/c/haiku/+/3376 Reviewed-by: Adrien Destugues <[email protected]>
2020-11-17 07:53:28 +00:00
parent e04970ad6f
commit a1999d3b8a
2 changed files with 13 additions and 0 deletions
@@ -235,6 +235,7 @@ extern int		tcdrain(int fd);
 extern int		tcflow(int fd, int action);
 extern int		tcflush(int fd, int queueSelector);
 extern pid_t	tcgetsid(int fd);
+extern int		tcsetsid(int fd, pid_t pid);

 #ifdef __cplusplus
 }
@@ -180,3 +180,15 @@ tcgetsid(int fd)
 	return -1;
 }

+
+int
+tcsetsid(int fd, pid_t pid)
+{
+	if (pid != getsid(0)) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	return ioctl(fd, TIOCSCTTY, NULL);
+}
+