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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2013-07-27 22:07:53 +0000
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2013-07-27 22:07:53 +0000
commit4fbe7358c7747a9165f776eb19addbb9baf7def2 (patch)
treebc7076b4f6d10c2cc2942539bb666e50f0b66954 /libdde_linux26/contrib/include/linux/sem.h
parent21adb5284111190057db245cfc2b54091920c373 (diff)
rename libdde_linux26 into libdde-linux26 to make dpkg-source happy
Diffstat (limited to 'libdde_linux26/contrib/include/linux/sem.h')
-rw-r--r--libdde_linux26/contrib/include/linux/sem.h159
1 files changed, 0 insertions, 159 deletions
diff --git a/libdde_linux26/contrib/include/linux/sem.h b/libdde_linux26/contrib/include/linux/sem.h
deleted file mode 100644
index 1b191c17..00000000
--- a/libdde_linux26/contrib/include/linux/sem.h
+++ /dev/null
@@ -1,159 +0,0 @@
-#ifndef _LINUX_SEM_H
-#define _LINUX_SEM_H
-
-#include <linux/ipc.h>
-
-/* semop flags */
-#define SEM_UNDO 0x1000 /* undo the operation on exit */
-
-/* semctl Command Definitions. */
-#define GETPID 11 /* get sempid */
-#define GETVAL 12 /* get semval */
-#define GETALL 13 /* get all semval's */
-#define GETNCNT 14 /* get semncnt */
-#define GETZCNT 15 /* get semzcnt */
-#define SETVAL 16 /* set semval */
-#define SETALL 17 /* set all semval's */
-
-/* ipcs ctl cmds */
-#define SEM_STAT 18
-#define SEM_INFO 19
-
-/* Obsolete, used only for backwards compatibility and libc5 compiles */
-struct semid_ds {
- struct ipc_perm sem_perm; /* permissions .. see ipc.h */
- __kernel_time_t sem_otime; /* last semop time */
- __kernel_time_t sem_ctime; /* last change time */
- struct sem *sem_base; /* ptr to first semaphore in array */
- struct sem_queue *sem_pending; /* pending operations to be processed */
- struct sem_queue **sem_pending_last; /* last pending operation */
- struct sem_undo *undo; /* undo requests on this array */
- unsigned short sem_nsems; /* no. of semaphores in array */
-};
-
-/* Include the definition of semid64_ds */
-#include <asm/sembuf.h>
-
-/* semop system calls takes an array of these. */
-struct sembuf {
- unsigned short sem_num; /* semaphore index in array */
- short sem_op; /* semaphore operation */
- short sem_flg; /* operation flags */
-};
-
-/* arg for semctl system calls. */
-union semun {
- int val; /* value for SETVAL */
- struct semid_ds __user *buf; /* buffer for IPC_STAT & IPC_SET */
- unsigned short __user *array; /* array for GETALL & SETALL */
- struct seminfo __user *__buf; /* buffer for IPC_INFO */
- void __user *__pad;
-};
-
-struct seminfo {
- int semmap;
- int semmni;
- int semmns;
- int semmnu;
- int semmsl;
- int semopm;
- int semume;
- int semusz;
- int semvmx;
- int semaem;
-};
-
-#define SEMMNI 128 /* <= IPCMNI max # of semaphore identifiers */
-#define SEMMSL 250 /* <= 8 000 max num of semaphores per id */
-#define SEMMNS (SEMMNI*SEMMSL) /* <= INT_MAX max # of semaphores in system */
-#define SEMOPM 32 /* <= 1 000 max num of ops per semop call */
-#define SEMVMX 32767 /* <= 32767 semaphore maximum value */
-#define SEMAEM SEMVMX /* adjust on exit max value */
-
-/* unused */
-#define SEMUME SEMOPM /* max num of undo entries per process */
-#define SEMMNU SEMMNS /* num of undo structures system wide */
-#define SEMMAP SEMMNS /* # of entries in semaphore map */
-#define SEMUSZ 20 /* sizeof struct sem_undo */
-
-#ifdef __KERNEL__
-#include <asm/atomic.h>
-#include <linux/rcupdate.h>
-
-struct task_struct;
-
-/* One semaphore structure for each semaphore in the system. */
-struct sem {
- int semval; /* current value */
- int sempid; /* pid of last operation */
-};
-
-/* One sem_array data structure for each set of semaphores in the system. */
-struct sem_array {
- struct kern_ipc_perm sem_perm; /* permissions .. see ipc.h */
- time_t sem_otime; /* last semop time */
- time_t sem_ctime; /* last change time */
- struct sem *sem_base; /* ptr to first semaphore in array */
- struct list_head sem_pending; /* pending operations to be processed */
- struct list_head list_id; /* undo requests on this array */
- unsigned long sem_nsems; /* no. of semaphores in array */
-};
-
-/* One queue for each sleeping process in the system. */
-struct sem_queue {
- struct list_head list; /* queue of pending operations */
- struct task_struct *sleeper; /* this process */
- struct sem_undo *undo; /* undo structure */
- int pid; /* process id of requesting process */
- int status; /* completion status of operation */
- struct sembuf *sops; /* array of pending operations */
- int nsops; /* number of operations */
- int alter; /* does the operation alter the array? */
-};
-
-/* Each task has a list of undo requests. They are executed automatically
- * when the process exits.
- */
-struct sem_undo {
- struct list_head list_proc; /* per-process list: all undos from one process. */
- /* rcu protected */
- struct rcu_head rcu; /* rcu struct for sem_undo() */
- struct sem_undo_list *ulp; /* sem_undo_list for the process */
- struct list_head list_id; /* per semaphore array list: all undos for one array */
- int semid; /* semaphore set identifier */
- short * semadj; /* array of adjustments, one per semaphore */
-};
-
-/* sem_undo_list controls shared access to the list of sem_undo structures
- * that may be shared among all a CLONE_SYSVSEM task group.
- */
-struct sem_undo_list {
- atomic_t refcnt;
- spinlock_t lock;
- struct list_head list_proc;
-};
-
-struct sysv_sem {
- struct sem_undo_list *undo_list;
-};
-
-#ifdef CONFIG_SYSVIPC
-
-extern int copy_semundo(unsigned long clone_flags, struct task_struct *tsk);
-extern void exit_sem(struct task_struct *tsk);
-
-#else
-static inline int copy_semundo(unsigned long clone_flags, struct task_struct *tsk)
-{
- return 0;
-}
-
-static inline void exit_sem(struct task_struct *tsk)
-{
- return;
-}
-#endif
-
-#endif /* __KERNEL__ */
-
-#endif /* _LINUX_SEM_H */