setpgrp() is defined to be identical to setpgid(0, 0).

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Acked-by: Willy Tarreau <w@1wt.eu>
---
 tools/include/nolibc/sys.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/tools/include/nolibc/sys.h b/tools/include/nolibc/sys.h
index f52e1953020945fb2902d47ad5f7a8e7c2c1c290..5c71a2f65c7bd93f6f516a54f7e63244466fad47 100644
--- a/tools/include/nolibc/sys.h
+++ b/tools/include/nolibc/sys.h
@@ -1073,6 +1073,16 @@ int setpgid(pid_t pid, pid_t pgid)
 	return __sysret(sys_setpgid(pid, pgid));
 }
 
+/*
+ * pid_t setpgrp(void)
+ */
+
+static __attribute__((unused))
+pid_t setpgrp(void)
+{
+	return setpgid(0, 0);
+}
+
 
 /*
  * pid_t setsid(void);

-- 
2.49.0