sys/kern/uipc_sem.c

104

static LIST_HEAD(, ksem) *ksem_pshared_hashtab __cacheline_aligned;

sys/kern/uipc_sem.c

323

ksem_remove_pshared(ksem_t *ksem)

sys/kern/uipc_sem.c

326

LIST_REMOVE(ksem, ks_entry);

sys/kern/uipc_sem.c

334

ksem_t *ksem = NULL;

sys/kern/uipc_sem.c

338

LIST_FOREACH(ksem, &ksem_pshared_hashtab[bucket], ks_entry) {

sys/kern/uipc_sem.c

339

if (ksem->ks_pshared_id == id) {

sys/kern/uipc_sem.c

340

mutex_enter(&ksem->ks_lock);

sys/kern/uipc_sem.c

341

if (ksem->ks_pshared_proc == NULL) {

sys/kern/uipc_sem.c

346

mutex_exit(&ksem->ks_lock);

sys/kern/uipc_sem.c

349

ksem->ks_ref++;

sys/kern/uipc_sem.c

350

KASSERT(ksem->ks_ref != 0);

sys/kern/uipc_sem.c

351

return ksem;

sys/kern/uipc_sem.c

362

ksem_t *ksem = ksem_lookup_pshared_locked(id);

sys/kern/uipc_sem.c

364

return ksem;

sys/kern/uipc_sem.c

368

ksem_alloc_pshared_id(ksem_t *ksem)

sys/kern/uipc_sem.c

373

KASSERT(ksem->ks_pshared_proc != NULL);

sys/kern/uipc_sem.c

386

ksem->ks_pshared_id = try;

sys/kern/uipc_sem.c

387

u_long bucket = KSEM_PSHARED_HASH(ksem->ks_pshared_id);

sys/kern/uipc_sem.c

388

LIST_INSERT_HEAD(&ksem_pshared_hashtab[bucket], ksem, ks_entry);

sys/kern/uipc_sem.c

518

ksem_release(ksem_t *ksem, int fd)

sys/kern/uipc_sem.c

522

KASSERT(mutex_owned(&ksem->ks_lock));

sys/kern/uipc_sem.c

524

KASSERT(ksem->ks_ref > 0);

sys/kern/uipc_sem.c

525

if (--ksem->ks_ref == 0) {

sys/kern/uipc_sem.c

530

destroy = (ksem->ks_flags & KS_UNLINKED) ||

sys/kern/uipc_sem.c

531

(ksem->ks_name == NULL);

sys/kern/uipc_sem.c

533

mutex_exit(&ksem->ks_lock);

sys/kern/uipc_sem.c

536

ksem_free(ksem);

sys/kern/uipc_sem.c

92

MODULE(MODULE_CLASS_MISC, ksem, NULL);

sys/kern/uipc_sem.c

99

static LIST_HEAD(,ksem) ksem_head __cacheline_aligned;

sys/sys/file.h

123

struct ksem *fd_ks; // DTYPE_SEM

sys/sys/ksem.h

54

LIST_ENTRY(ksem) ks_entry; /* global list entry */

tests/kernel/t_ksem.c

111

intptr_t ksem, ksem1;

tests/kernel/t_ksem.c

115

ATF_REQUIRE_EQ(_ksem_open("/ksem_b", O_CREAT | O_EXCL, 0644, 0, &ksem),

tests/kernel/t_ksem.c

119

ATF_REQUIRE(_ksem_getvalue(ksem, &val) == 0 && val == 0);

tests/kernel/t_ksem.c

127

ATF_REQUIRE_EQ(_ksem_close(ksem), 0);

tests/kernel/t_ksem.c

55

intptr_t ksem;

tests/kernel/t_ksem.c

58

ksem = 0;

tests/kernel/t_ksem.c

59

ATF_REQUIRE_EQ(_ksem_init(0, &ksem), 0);

tests/kernel/t_ksem.c

60

ATF_REQUIRE(_ksem_close(ksem) == -1 && errno == EINVAL);

tests/kernel/t_ksem.c

61

ATF_REQUIRE_EQ(_ksem_destroy(ksem), 0);

tests/kernel/t_ksem.c

72

intptr_t ksem;

tests/kernel/t_ksem.c

75

ksem = KSEM_PSHARED;

tests/kernel/t_ksem.c

76

ATF_REQUIRE_EQ(_ksem_init(0, &ksem), 0);

tests/kernel/t_ksem.c

77

ATF_REQUIRE(_ksem_close(ksem) == -1 && errno == EINVAL);

tests/kernel/t_ksem.c

78

ATF_REQUIRE_EQ(_ksem_destroy(ksem), 0);

tests/kernel/t_ksem.c

89

intptr_t ksem;

tests/kernel/t_ksem.c

92

ATF_REQUIRE_EQ(_ksem_open("/ksem_x", O_CREAT | O_EXCL, 0644, 0, &ksem),

tests/kernel/t_ksem.c

94

ATF_REQUIRE(_ksem_destroy(ksem) == -1 && errno == EINVAL);

tests/kernel/t_ksem.c

95

ATF_REQUIRE_EQ(_ksem_close(ksem), 0);