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Diffstat (limited to 'ipc')
-rw-r--r--ipc/mqueue.c31
-rw-r--r--ipc/msg.c12
-rw-r--r--ipc/sem.c18
-rw-r--r--ipc/shm.c20
4 files changed, 51 insertions, 30 deletions
diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index eddb6247a55..54b4077fed7 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -505,7 +505,8 @@ static void __do_notify(struct mqueue_inode_info *info)
sig_i.si_errno = 0;
sig_i.si_code = SI_MESGQ;
sig_i.si_value = info->notify.sigev_value;
- sig_i.si_pid = task_tgid_vnr(current);
+ sig_i.si_pid = task_tgid_nr_ns(current,
+ ns_of_pid(info->notify_owner));
sig_i.si_uid = current_uid();
kill_pid_info(info->notify.sigev_signo,
@@ -649,8 +650,8 @@ static struct file *do_open(struct dentry *dentry, int oflag)
return dentry_open(dentry, mqueue_mnt, oflag, cred);
}
-asmlinkage long sys_mq_open(const char __user *u_name, int oflag, mode_t mode,
- struct mq_attr __user *u_attr)
+SYSCALL_DEFINE4(mq_open, const char __user *, u_name, int, oflag, mode_t, mode,
+ struct mq_attr __user *, u_attr)
{
struct dentry *dentry;
struct file *filp;
@@ -720,7 +721,7 @@ out_putname:
return fd;
}
-asmlinkage long sys_mq_unlink(const char __user *u_name)
+SYSCALL_DEFINE1(mq_unlink, const char __user *, u_name)
{
int err;
char *name;
@@ -813,9 +814,9 @@ static inline void pipelined_receive(struct mqueue_inode_info *info)
sender->state = STATE_READY;
}
-asmlinkage long sys_mq_timedsend(mqd_t mqdes, const char __user *u_msg_ptr,
- size_t msg_len, unsigned int msg_prio,
- const struct timespec __user *u_abs_timeout)
+SYSCALL_DEFINE5(mq_timedsend, mqd_t, mqdes, const char __user *, u_msg_ptr,
+ size_t, msg_len, unsigned int, msg_prio,
+ const struct timespec __user *, u_abs_timeout)
{
struct file *filp;
struct inode *inode;
@@ -906,9 +907,9 @@ out:
return ret;
}
-asmlinkage ssize_t sys_mq_timedreceive(mqd_t mqdes, char __user *u_msg_ptr,
- size_t msg_len, unsigned int __user *u_msg_prio,
- const struct timespec __user *u_abs_timeout)
+SYSCALL_DEFINE5(mq_timedreceive, mqd_t, mqdes, char __user *, u_msg_ptr,
+ size_t, msg_len, unsigned int __user *, u_msg_prio,
+ const struct timespec __user *, u_abs_timeout)
{
long timeout;
ssize_t ret;
@@ -996,8 +997,8 @@ out:
* and he isn't currently owner of notification, will be silently discarded.
* It isn't explicitly defined in the POSIX.
*/
-asmlinkage long sys_mq_notify(mqd_t mqdes,
- const struct sigevent __user *u_notification)
+SYSCALL_DEFINE2(mq_notify, mqd_t, mqdes,
+ const struct sigevent __user *, u_notification)
{
int ret;
struct file *filp;
@@ -1122,9 +1123,9 @@ out:
return ret;
}
-asmlinkage long sys_mq_getsetattr(mqd_t mqdes,
- const struct mq_attr __user *u_mqstat,
- struct mq_attr __user *u_omqstat)
+SYSCALL_DEFINE3(mq_getsetattr, mqd_t, mqdes,
+ const struct mq_attr __user *, u_mqstat,
+ struct mq_attr __user *, u_omqstat)
{
int ret;
struct mq_attr mqstat, omqstat;
diff --git a/ipc/msg.c b/ipc/msg.c
index b4eee1c6101..2ceab7f12fc 100644
--- a/ipc/msg.c
+++ b/ipc/msg.c
@@ -309,7 +309,7 @@ static inline int msg_security(struct kern_ipc_perm *ipcp, int msgflg)
return security_msg_queue_associate(msq, msgflg);
}
-asmlinkage long sys_msgget(key_t key, int msgflg)
+SYSCALL_DEFINE2(msgget, key_t, key, int, msgflg)
{
struct ipc_namespace *ns;
struct ipc_ops msg_ops;
@@ -466,7 +466,7 @@ out_up:
return err;
}
-asmlinkage long sys_msgctl(int msqid, int cmd, struct msqid_ds __user *buf)
+SYSCALL_DEFINE3(msgctl, int, msqid, int, cmd, struct msqid_ds __user *, buf)
{
struct msg_queue *msq;
int err, version;
@@ -723,8 +723,8 @@ out_free:
return err;
}
-asmlinkage long
-sys_msgsnd(int msqid, struct msgbuf __user *msgp, size_t msgsz, int msgflg)
+SYSCALL_DEFINE4(msgsnd, int, msqid, struct msgbuf __user *, msgp, size_t, msgsz,
+ int, msgflg)
{
long mtype;
@@ -904,8 +904,8 @@ out_unlock:
return msgsz;
}
-asmlinkage long sys_msgrcv(int msqid, struct msgbuf __user *msgp, size_t msgsz,
- long msgtyp, int msgflg)
+SYSCALL_DEFINE5(msgrcv, int, msqid, struct msgbuf __user *, msgp, size_t, msgsz,
+ long, msgtyp, int, msgflg)
{
long err, mtype;
diff --git a/ipc/sem.c b/ipc/sem.c
index c68cd3f8f0c..16a2189e96f 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -308,7 +308,7 @@ static inline int sem_more_checks(struct kern_ipc_perm *ipcp,
return 0;
}
-asmlinkage long sys_semget(key_t key, int nsems, int semflg)
+SYSCALL_DEFINE3(semget, key_t, key, int, nsems, int, semflg)
{
struct ipc_namespace *ns;
struct ipc_ops sem_ops;
@@ -887,7 +887,7 @@ out_up:
return err;
}
-asmlinkage long sys_semctl (int semid, int semnum, int cmd, union semun arg)
+SYSCALL_DEFINE(semctl)(int semid, int semnum, int cmd, union semun arg)
{
int err = -EINVAL;
int version;
@@ -923,6 +923,13 @@ asmlinkage long sys_semctl (int semid, int semnum, int cmd, union semun arg)
return -EINVAL;
}
}
+#ifdef CONFIG_HAVE_SYSCALL_WRAPPERS
+asmlinkage long SyS_semctl(int semid, int semnum, int cmd, union semun arg)
+{
+ return SYSC_semctl((int) semid, (int) semnum, (int) cmd, arg);
+}
+SYSCALL_ALIAS(sys_semctl, SyS_semctl);
+#endif
/* If the task doesn't already have a undo_list, then allocate one
* here. We guarantee there is only one thread using this undo list,
@@ -1048,8 +1055,8 @@ out:
return un;
}
-asmlinkage long sys_semtimedop(int semid, struct sembuf __user *tsops,
- unsigned nsops, const struct timespec __user *timeout)
+SYSCALL_DEFINE4(semtimedop, int, semid, struct sembuf __user *, tsops,
+ unsigned, nsops, const struct timespec __user *, timeout)
{
int error = -EINVAL;
struct sem_array *sma;
@@ -1225,7 +1232,8 @@ out_free:
return error;
}
-asmlinkage long sys_semop (int semid, struct sembuf __user *tsops, unsigned nsops)
+SYSCALL_DEFINE3(semop, int, semid, struct sembuf __user *, tsops,
+ unsigned, nsops)
{
return sys_semtimedop(semid, tsops, nsops, NULL);
}
diff --git a/ipc/shm.c b/ipc/shm.c
index b125b560240..a9e09ad2263 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -440,7 +440,7 @@ static inline int shm_more_checks(struct kern_ipc_perm *ipcp,
return 0;
}
-asmlinkage long sys_shmget (key_t key, size_t size, int shmflg)
+SYSCALL_DEFINE3(shmget, key_t, key, size_t, size, int, shmflg)
{
struct ipc_namespace *ns;
struct ipc_ops shm_ops;
@@ -621,7 +621,7 @@ out_up:
return err;
}
-asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf)
+SYSCALL_DEFINE3(shmctl, int, shmid, int, cmd, struct shmid_ds __user *, buf)
{
struct shmid_kernel *shp;
int err, version;
@@ -939,7 +939,7 @@ out_put_dentry:
goto out_nattch;
}
-asmlinkage long sys_shmat(int shmid, char __user *shmaddr, int shmflg)
+SYSCALL_DEFINE3(shmat, int, shmid, char __user *, shmaddr, int, shmflg)
{
unsigned long ret;
long err;
@@ -955,7 +955,7 @@ asmlinkage long sys_shmat(int shmid, char __user *shmaddr, int shmflg)
* detach and kill segment if marked destroyed.
* The work is done in shm_close.
*/
-asmlinkage long sys_shmdt(char __user *shmaddr)
+SYSCALL_DEFINE1(shmdt, char __user *, shmaddr)
{
struct mm_struct *mm = current->mm;
struct vm_area_struct *vma, *next;
@@ -990,6 +990,7 @@ asmlinkage long sys_shmdt(char __user *shmaddr)
*/
vma = find_vma(mm, addr);
+#ifdef CONFIG_MMU
while (vma) {
next = vma->vm_next;
@@ -1034,6 +1035,17 @@ asmlinkage long sys_shmdt(char __user *shmaddr)
vma = next;
}
+#else /* CONFIG_MMU */
+ /* under NOMMU conditions, the exact address to be destroyed must be
+ * given */
+ retval = -EINVAL;
+ if (vma->vm_start == addr && vma->vm_ops == &shm_vm_ops) {
+ do_munmap(mm, vma->vm_start, vma->vm_end - vma->vm_start);
+ retval = 0;
+ }
+
+#endif
+
up_write(&mm->mmap_sem);
return retval;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 08:05:05 +0000