From 168555048a8ab883d940b5947572905a0fbdfe82 Mon Sep 17 00:00:00 2001
From: Lassi Kortela <lassi@lassi.io>
Date: Mon, 14 Oct 2019 03:05:01 +0300
Subject: [PATCH] Add getpgid() placeholder for Minix

---
 c/os_minix.c | 8 ++++++++
 c/os_unix.c  | 2 ++
 2 files changed, 10 insertions(+)

diff --git a/c/os_minix.c b/c/os_minix.c
index d97a384..7d0621b 100644
--- a/c/os_minix.c
+++ b/c/os_minix.c
@@ -1,3 +1,4 @@
+#include <errno.h>
 #include <math.h>
 #include <setjmp.h>
 #include <stdarg.h>
@@ -8,6 +9,13 @@
 
 #include "scheme.h"
 
+pid_t getpgid(pid_t pid)
+{
+    (void)pid;
+    errno = ENOSYS;
+    return (pid_t)-1;
+}
+
 char *get_exename(char *buf, size_t size)
 {
     (void)buf;
diff --git a/c/os_unix.c b/c/os_unix.c
index 6354ee2..17ec85f 100644
--- a/c/os_unix.c
+++ b/c/os_unix.c
@@ -19,6 +19,8 @@
 
 #include "scheme.h"
 
+pid_t getpgid(pid_t pid);
+
 static value_t dirsym;
 struct fltype *dirtype;