Lines Matching defs:semnum

860  * @semnum: semaphore that was modified.

865  * be called with semnum = -1, as well as with the number of each modified

871 static int wake_const_ops(struct sem_array *sma, int semnum, struct wake_q_head *wake_q)

877     if (semnum == -1) {

880         pending_list = &sma->sems[semnum].pending_const;

954  * @semnum: semaphore that was modified.

959  * be called with semnum = -1, as well as with the number of each modified

967 static int update_queue(struct sem_array *sma, int semnum, struct wake_q_head *wake_q)

973     if (semnum == -1) {

976         pending_list = &sma->sems[semnum].pending_alter;

991         if (semnum != -1 && sma->sems[semnum].semval == 0) {

1091  * check_qop: Test if a queued operation sleeps on the semaphore semnum

1093 static int check_qop(struct sem_array *sma, int semnum, struct sem_queue *q, bool count_zero)

1108     if (sop->sem_num != semnum) {

1129 static int count_semcnt(struct sem_array *sma, ushort semnum, bool count_zero)

1138         l = &sma->sems[semnum].pending_const;

1140         l = &sma->sems[semnum].pending_alter;

1154         semcnt += check_qop(sma, semnum, q, count_zero);

1159             semcnt += check_qop(sma, semnum, q, count_zero);

1376 static int semctl_setval(struct ipc_namespace *ns, int semid, int semnum, int val)

1395     if (semnum < 0 || semnum >= sma->sem_nsems) {

1419     semnum = array_index_nospec(semnum, sma->sem_nsems);

1420     curr = &sma->sems[semnum];

1423     list_for_each_entry(un, &sma->list_id, list_id) un->semadj[semnum] = 0;

1436 static int semctl_main(struct ipc_namespace *ns, int semid, int semnum, int cmd, void __user *p)

1565     if (semnum < 0 || semnum >= nsems) {

1575     semnum = array_index_nospec(semnum, nsems);

1576     curr = &sma->sems[semnum];

1586             err = count_semcnt(sma, semnum, 0);

1589             err = count_semcnt(sma, semnum, 1);

1686 static long ksys_semctl(int semid, int semnum, int cmd, unsigned long arg, int version)

1720             return semctl_main(ns, semid, semnum, cmd, p);

1730             return semctl_setval(ns, semid, semnum, val);

1744 SYSCALL_DEFINE4(semctl, int, semid, int, semnum, int, cmd, unsigned long, arg)

1746     return ksys_semctl(semid, semnum, cmd, arg, IPC_64);

1750 long ksys_old_semctl(int semid, int semnum, int cmd, unsigned long arg)

1754     return ksys_semctl(semid, semnum, cmd, arg, version);

1757 SYSCALL_DEFINE4(old_semctl, int, semid, int, semnum, int, cmd, unsigned long, arg)

1759     return ksys_old_semctl(semid, semnum, cmd, arg);

1811 static long compat_ksys_semctl(int semid, int semnum, int cmd, int arg, int version)

1845             return semctl_main(ns, semid, semnum, cmd, p);

1847             return semctl_setval(ns, semid, semnum, arg);

1860 COMPAT_SYSCALL_DEFINE4(semctl, int, semid, int, semnum, int, cmd, int, arg)

1862     return compat_ksys_semctl(semid, semnum, cmd, arg, IPC_64);

1866 long compat_ksys_old_semctl(int semid, int semnum, int cmd, int arg)

1870     return compat_ksys_semctl(semid, semnum, cmd, arg, version);

1873 COMPAT_SYSCALL_DEFINE4(old_semctl, int, semid, int, semnum, int, cmd, int, arg)

1875     return compat_ksys_old_semctl(semid, semnum, cmd, arg);