include/semaphore.h

45

struct sem;

include/semaphore.h

46

typedef struct sem *sem_t;

lib/libc/sysvipc/sem.c

205

int size = sizeof(struct semid_pool) + nsems * sizeof(struct sem);

lib/libc/sysvipc/sem.c

290

struct sem *semptr = NULL;

lib/libc/sysvipc/sem.c

366

sizeof(struct sem);

lib/libc/sysvipc/sem.c

594

struct sem *semptr = NULL;

lib/libc/sysvipc/sem.c

595

struct sem *xsemptr = NULL;

lib/libc/sysvipc/sysvipc_sem.h

47

struct sem sem_base[0]; /* pointer to first semaphore in set */

lib/libthread_xu/thread/thr_sem.c

102

sem_t sem;

lib/libthread_xu/thread/thr_sem.c

170

sem_check_validity(sem_t *sem)

lib/libthread_xu/thread/thr_sem.c

173

if ((sem != NULL) && (*sem != NULL) && ((*sem)->magic == SEM_MAGIC)) {

lib/libthread_xu/thread/thr_sem.c

184

sem_t sem;

lib/libthread_xu/thread/thr_sem.c

200

sem_count = getpagesize() / sizeof(*sem);

lib/libthread_xu/thread/thr_sem.c

202

sem = sem_base++;

lib/libthread_xu/thread/thr_sem.c

207

sem = __malloc(sizeof(struct sem));

lib/libthread_xu/thread/thr_sem.c

210

if (sem == NULL) {

lib/libthread_xu/thread/thr_sem.c

214

sem->magic = SEM_MAGIC;

lib/libthread_xu/thread/thr_sem.c

215

sem->count = (u_int32_t)value;

lib/libthread_xu/thread/thr_sem.c

216

sem->semid = semid;

lib/libthread_xu/thread/thr_sem.c

218

sem_log("sem_alloc %p (%d)\n", sem, value);

lib/libthread_xu/thread/thr_sem.c

220

return (sem);

lib/libthread_xu/thread/thr_sem.c

224

_sem_init(sem_t *sem, int pshared, unsigned int value)

lib/libthread_xu/thread/thr_sem.c

226

if (sem == NULL) {

lib/libthread_xu/thread/thr_sem.c

231

*sem = sem_alloc(value, pshared);

lib/libthread_xu/thread/thr_sem.c

232

if (*sem == NULL)

lib/libthread_xu/thread/thr_sem.c

238

_sem_destroy(sem_t *sem)

lib/libthread_xu/thread/thr_sem.c

240

if (sem_check_validity(sem) != 0) {

lib/libthread_xu/thread/thr_sem.c

245

(*sem)->magic = 0;

lib/libthread_xu/thread/thr_sem.c

247

switch ((*sem)->semid) {

lib/libthread_xu/thread/thr_sem.c

249

__free(*sem);

lib/libthread_xu/thread/thr_sem.c

262

_sem_getvalue(sem_t * __restrict sem, int * __restrict sval)

lib/libthread_xu/thread/thr_sem.c

264

if (sem_check_validity(sem) != 0) {

lib/libthread_xu/thread/thr_sem.c

268

*sval = (*sem)->count;

lib/libthread_xu/thread/thr_sem.c

274

_sem_trywait(sem_t *sem)

lib/libthread_xu/thread/thr_sem.c

278

if (sem_check_validity(sem) != 0) {

lib/libthread_xu/thread/thr_sem.c

283

sem_log("sem_trywait %p %d\n", *sem, (*sem)->count);

lib/libthread_xu/thread/thr_sem.c

284

while ((val = (*sem)->count) > 0) {

lib/libthread_xu/thread/thr_sem.c

286

if (atomic_cmpset_int(&(*sem)->count, val, val - 1)) {

lib/libthread_xu/thread/thr_sem.c

287

sem_log("sem_trywait %p %d (success)\n", *sem, val - 1);

lib/libthread_xu/thread/thr_sem.c

292

sem_log("sem_trywait %p %d (failure)\n", *sem, val);

lib/libthread_xu/thread/thr_sem.c

297

_sem_wait(sem_t *sem)

lib/libthread_xu/thread/thr_sem.c

302

if (sem_check_validity(sem) != 0) {

lib/libthread_xu/thread/thr_sem.c

310

sem_log("sem_wait %p %d (begin)\n", *sem, (*sem)->count);

lib/libthread_xu/thread/thr_sem.c

314

while ((val = (*sem)->count) > 0) {

lib/libthread_xu/thread/thr_sem.c

316

if (atomic_cmpset_acq_int(&(*sem)->count, val, val - 1)) {

lib/libthread_xu/thread/thr_sem.c

318

*sem, val - 1);

lib/libthread_xu/thread/thr_sem.c

323

sem_log("sem_wait %p %d (wait)\n", *sem, val);

lib/libthread_xu/thread/thr_sem.c

324

retval = _thr_umtx_wait_intr(&(*sem)->count, 0);

lib/libthread_xu/thread/thr_sem.c

326

*sem, (*sem)->count, retval);

lib/libthread_xu/thread/thr_sem.c

331

sem_log("sem_wait %p %d (error %d)\n", *sem, retval);

lib/libthread_xu/thread/thr_sem.c

338

_sem_timedwait(sem_t * __restrict sem, const struct timespec * __restrict abstime)

lib/libthread_xu/thread/thr_sem.c

344

if (sem_check_validity(sem) != 0)

lib/libthread_xu/thread/thr_sem.c

349

sem_log("sem_timedwait %p %d (begin)\n", *sem, (*sem)->count);

lib/libthread_xu/thread/thr_sem.c

356

while ((val = (*sem)->count) > 0) {

lib/libthread_xu/thread/thr_sem.c

358

if (atomic_cmpset_acq_int(&(*sem)->count, val, val - 1)) {

lib/libthread_xu/thread/thr_sem.c

360

*sem, val - 1);

lib/libthread_xu/thread/thr_sem.c

367

sem_log("sem_wait %p %d (bad abstime)\n", *sem, val);

lib/libthread_xu/thread/thr_sem.c

374

sem_log("sem_wait %p %d (wait)\n", *sem, val);

lib/libthread_xu/thread/thr_sem.c

375

retval = _thr_umtx_wait(&(*sem)->count, 0, &ts2,

lib/libthread_xu/thread/thr_sem.c

378

*sem, (*sem)->count, retval);

lib/libthread_xu/thread/thr_sem.c

382

sem_log("sem_wait %p %d (error %d)\n", *sem, retval);

lib/libthread_xu/thread/thr_sem.c

389

_sem_post(sem_t *sem)

lib/libthread_xu/thread/thr_sem.c

393

if (sem_check_validity(sem) != 0)

lib/libthread_xu/thread/thr_sem.c

400

val = atomic_fetchadd_int(&(*sem)->count, 1) + 1;

lib/libthread_xu/thread/thr_sem.c

401

sem_log("sem_post %p %d\n", *sem, val);

lib/libthread_xu/thread/thr_sem.c

402

_thr_umtx_wake(&(*sem)->count, 0);

lib/libthread_xu/thread/thr_sem.c

448

return (&ni->sem);

lib/libthread_xu/thread/thr_sem.c

464

sem_add_mapping(ino_t inode, dev_t dev, sem_t sem, int fd)

lib/libthread_xu/thread/thr_sem.c

476

ni->sem = sem;

lib/libthread_xu/thread/thr_sem.c

483

return (&ni->sem);

lib/libthread_xu/thread/thr_sem.c

487

sem_close_mapping(sem_t *sem)

lib/libthread_xu/thread/thr_sem.c

491

if ((*sem)->semid != SEMID_NAMED)

lib/libthread_xu/thread/thr_sem.c

494

ni = container_of(sem, struct sem_info, sem);

lib/libthread_xu/thread/thr_sem.c

502

munmap(ni->sem, getpagesize());

lib/libthread_xu/thread/thr_sem.c

517

sem_t *sem;

lib/libthread_xu/thread/thr_sem.c

527

sem = SEM_FAILED;

lib/libthread_xu/thread/thr_sem.c

571

sem = sem_get_mapping(sbuf.st_ino, sbuf.st_dev);

lib/libthread_xu/thread/thr_sem.c

573

if (sem != SEM_FAILED) {

lib/libthread_xu/thread/thr_sem.c

664

ftruncate(fd, sizeof(struct sem));

lib/libthread_xu/thread/thr_sem.c

691

sem = sem_add_mapping(sbuf.st_ino, sbuf.st_dev, semtmp, fd);

lib/libthread_xu/thread/thr_sem.c

695

return (sem);

lib/libthread_xu/thread/thr_sem.c

704

_sem_close(sem_t *sem)

lib/libthread_xu/thread/thr_sem.c

708

if (sem_check_validity(sem)) {

lib/libthread_xu/thread/thr_sem.c

714

if (sem_close_mapping(sem)) {

sys/dev/drm/include/linux/rwsem.h

48

down_read_trylock(struct lock *sem) {

sys/dev/drm/include/linux/rwsem.h

49

return !lockmgr(sem, LK_EXCLUSIVE|LK_NOWAIT);

sys/dev/drm/include/linux/rwsem.h

53

down_write_killable(struct lock *sem)

sys/dev/drm/include/linux/rwsem.h

55

if (lockmgr(sem, LK_EXCLUSIVE|LK_SLEEPFAIL|LK_PCATCH))

sys/kern/sysv_sem.c

1062

struct sem *semptr;

sys/kern/sysv_sem.c

360

struct sem *semptr;

sys/kern/sysv_sem.c

698

sema[semid].ds.sem_base = kmalloc(sizeof(struct sem) * nsems,

sys/kern/sysv_sem.c

706

sema[semid].ds.sem_base, &sem[semtot]);

sys/kern/sysv_sem.c

737

struct sem *semptr;

sys/kern/sysv_sem.c

738

struct sem *xsemptr;

sys/sys/sem.h

32

struct sem;

sys/sys/sem.h

36

struct sem *sem_base; /* pointer to first semaphore in set */

test/interbench/hackbench.c

173

if (!trywait_sem(&hackthread.sem.stop))

test/interbench/hackbench.c

177

post_sem(&hackthread.sem.complete);

test/interbench/interbench.c

1196

post_sem(&th->sem.start);

test/interbench/interbench.c

1201

post_sem(&th->sem.stop);

test/interbench/interbench.c

1202

wait_sem(&th->sem.complete);

test/interbench/interbench.c

1208

void init_sem(sem_t *sem)

test/interbench/interbench.c

1210

if (sem_init(sem, 0, 0))

test/interbench/interbench.c

1228

init_all_sems(&th->sem);

test/interbench/interbench.c

1232

wait_sem(&th->sem.ready);

test/interbench/interbench.c

127

void init_sem(sem_t *sem);

test/interbench/interbench.c

444

post_sem(&tk->sem.start);

test/interbench/interbench.c

445

wait_sem(&tk->sem.complete);

test/interbench/interbench.c

487

sem_t *s = &th->sem.stop;

test/interbench/interbench.c

497

sem_t *s = &th->sem.stop;

test/interbench/interbench.c

517

sem_t *s = &th->sem.stop;

test/interbench/interbench.c

538

sem_t *s = &th->sem.stop;

test/interbench/interbench.c

568

sem_t *s = &th->sem.stop;

test/interbench/interbench.c

603

s = &th->sem.stopchild;

test/interbench/interbench.c

618

sem_t *s = &th->sem.stop;

test/interbench/interbench.c

628

post_sem(&th->sem.stopchild);

test/interbench/interbench.c

636

sem_t *s = &th->sem.stop;

test/interbench/interbench.c

683

sem_t *s = &th->sem.stop;

test/interbench/interbench.c

726

s = &th->sem;

test/interbench/interbench.c

735

post_sem(&ringthreads[post_to].sem.start);

test/interbench/interbench.c

740

post_sem(&ringthreads[post_to].sem.start);

test/interbench/interbench.c

748

sem_t *s = &th->sem.stop;

test/interbench/interbench.c

752

init_all_sems(&ringthreads[i].sem);

test/interbench/interbench.c

757

wait_sem(&ringthreads[0].sem.ready);

test/interbench/interbench.c

758

post_sem(&ringthreads[0].sem.start);

test/interbench/interbench.c

761

post_sem(&ringthreads[i].sem.stop);

test/interbench/interbench.c

763

wait_sem(&ringthreads[i].sem.complete);

test/interbench/interbench.c

771

sem_t *s = &th->sem.stop;

test/interbench/interbench.c

810

sem_t *s = &th->sem.stop;

test/interbench/interbench.c

850

sem_t *s = &th->sem.stop;

test/interbench/interbench.c

852

init_all_sems(&hackthread.sem);

test/interbench/interbench.c

857

post_sem(&hackthread.sem.stop);

test/interbench/interbench.c

858

wait_sem(&hackthread.sem.complete);

test/interbench/interbench.c

868

sem_t *s = &th->sem.stop;

test/interbench/interbench.c

892

s = &th->tkthread.sem;

test/interbench/interbench.c

950

s = &th->sem;

test/interbench/interbench.c

951

tks = &tk->sem;

test/interbench/interbench.h

23

struct sems sem;

test/interbench/interbench.h

50

struct sems sem;

test/libpthread/sem_d.c

50

sem_t * sem = (sem_t *) a_arg;

test/libpthread/sem_d.c

52

sem_wait(sem);

test/stress/stress2/testcases/lockf/lockf.c

49

int sem;

test/stress/stress2/testcases/lockf/lockf.c

52

if (read(fd, &sem, sizeof(sem)) != sizeof(sem))

test/stress/stress2/testcases/lockf/lockf.c

58

return (sem);

test/stress/stress2/testcases/lockf/lockf.c

63

int sem;

test/stress/stress2/testcases/lockf/lockf.c

66

if (read(fd, &sem, sizeof(sem)) != sizeof(sem))

test/stress/stress2/testcases/lockf/lockf.c

70

sem++;

test/stress/stress2/testcases/lockf/lockf.c

71

if (write(fd, &sem, sizeof(sem)) != sizeof(sem))

test/stress/stress2/testcases/lockf/lockf.c

93

int sem = 0;

test/stress/stress2/testcases/lockf/lockf.c

98

if (write(fd, &sem, sizeof(sem)) != sizeof(sem))

usr.sbin/sysvipcd/shmd.c

129

sizeof(struct sem);

usr.sbin/sysvipcd/shmd.c

147

memset(sems->ds.sem_base, 0, nsems + sizeof(struct sem));

usr.sbin/sysvipcd/shmd.c

297

sizeof(struct sem);

usr.sbin/sysvipcd/shmd.c

887

struct sem *semptr;