aboutsummaryrefslogtreecommitdiffstats
path: root/ipc/util.h
diff options
context:
space:
mode:
authorDominik Brodowski <linux@dominikbrodowski.net>2018-03-20 20:15:28 +0100
committerDominik Brodowski <linux@dominikbrodowski.net>2018-04-02 20:15:26 +0200
commite340db56483b6e10bd5e5f281071876808801a41 (patch)
tree12c427cf6f010120b983f133965cf8157a892c2d /ipc/util.h
parentipc: add shmctl syscall/compat_syscall wrappers (diff)
downloadlinux-dev-e340db56483b6e10bd5e5f281071876808801a41.tar.xz
linux-dev-e340db56483b6e10bd5e5f281071876808801a41.zip
ipc: add msgctl syscall/compat_syscall wrappers
Provide ksys_msgctl() and compat_ksys_msgctl() wrappers to avoid in-kernel calls to these syscalls. The ksys_ prefix denotes that these functions are meant as a drop-in replacement for the syscalls. In particular, they use the same calling convention as sys_msgctl() and compat_sys_msgctl(). This patch is part of a series which removes in-kernel calls to syscalls. On this basis, the syscall entry path can be streamlined. For details, see http://lkml.kernel.org/r/20180325162527.GA17492@light.dominikbrodowski.net Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Diffstat (limited to 'ipc/util.h')
-rw-r--r--ipc/util.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/ipc/util.h b/ipc/util.h
index 16e8b5b8c416..47837b4af3f2 100644
--- a/ipc/util.h
+++ b/ipc/util.h
@@ -243,6 +243,7 @@ long ksys_semtimedop(int semid, struct sembuf __user *tsops,
long ksys_semget(key_t key, int nsems, int semflg);
long ksys_semctl(int semid, int semnum, int cmd, unsigned long arg);
long ksys_msgget(key_t key, int msgflg);
+long ksys_msgctl(int msqid, int cmd, struct msqid_ds __user *buf);
long ksys_shmget(key_t key, size_t size, int shmflg);
long ksys_shmdt(char __user *shmaddr);
long ksys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf);
@@ -253,6 +254,7 @@ long compat_ksys_semtimedop(int semid, struct sembuf __user *tsems,
unsigned int nsops,
const struct compat_timespec __user *timeout);
long compat_ksys_semctl(int semid, int semnum, int cmd, int arg);
+long compat_ksys_msgctl(int msqid, int cmd, void __user *uptr);
long compat_ksys_shmctl(int shmid, int cmd, void __user *uptr);
#endif /* CONFIG_COMPAT */