From: Chris Renshaw <osm0sis@outlook.com>
Date: Mon, 12 Sep 2016 14:48:30 -0300
Subject: [PATCH] android syscalls: shmdt shmat sembuf

Patch by Tias Guns <tias@ulyssis.org>
Rebased for busybox 1.25.0 by Chris Renshaw <osm0sis@outlook.com>
---
 libbb/missing_syscalls.c |   16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/libbb/missing_syscalls.c b/libbb/missing_syscalls.c
index ac75829..474accb 100644
--- a/libbb/missing_syscalls.c
+++ b/libbb/missing_syscalls.c
@@ -55,6 +55,16 @@ int shmget(key_t key, size_t size, int shmflg)
   return syscall(__NR_shmget, key, size, shmflg);
 }
 
+int shmdt(const void *shmaddr)
+{
+  return syscall(__NR_shmdt, shmaddr);
+}
+
+void *shmat(int shmid, const void *shmaddr, int shmflg)
+{
+  return (void *)syscall(__NR_shmat, shmid, shmaddr, shmflg);
+}
+
 int msgget(key_t key, int msgflg)
 {
   return syscall(__NR_msgget, key, msgflg);
@@ -77,4 +87,10 @@ int shmctl(int shmid, int cmd, struct shmid_ds *buf)
 {
   return syscall(__NR_shmctl, shmid, cmd, buf);
 }
+
+struct sembuf; /* #include <linux/sem.h> */
+int semop(int semid, struct sembuf *sops, unsigned nsops)
+{
+  return syscall(__NR_semop, semid, sops, nsops);
+}
 
-- 
2.8.3

