diff options
Diffstat (limited to 'src/lib/dev.c')
-rw-r--r-- | src/lib/dev.c | 141 |
1 files changed, 70 insertions, 71 deletions
diff --git a/src/lib/dev.c b/src/lib/dev.c index ab4365b8..1725cca3 100644 --- a/src/lib/dev.c +++ b/src/lib/dev.c @@ -31,7 +31,6 @@ #include <ouroboros/shm_du_map.h> #include <ouroboros/shm_ap_rbuff.h> #include <ouroboros/utils.h> -#include <ouroboros/rw_lock.h> #include <stdlib.h> #include <string.h> @@ -49,10 +48,10 @@ struct ap_data { struct shm_du_map * dum; struct bmp * fds; struct shm_ap_rbuff * rb; - rw_lock_t data_lock; + pthread_rwlock_t data_lock; struct flow flows[AP_MAX_FLOWS]; - rw_lock_t flows_lock; + pthread_rwlock_t flows_lock; } * _ap_instance; int ap_init(char * ap_name) @@ -109,8 +108,8 @@ int ap_init(char * ap_name) _ap_instance->flows[i].port_id = -1; } - rw_lock_init(&_ap_instance->flows_lock); - rw_lock_init(&_ap_instance->data_lock); + pthread_rwlock_init(&_ap_instance->flows_lock, NULL); + pthread_rwlock_init(&_ap_instance->data_lock, NULL); return 0; } @@ -122,7 +121,7 @@ void ap_fini(void) if (_ap_instance == NULL) return; - rw_lock_wrlock(&_ap_instance->data_lock); + pthread_rwlock_wrlock(&_ap_instance->data_lock); if (_ap_instance->api != NULL) instance_name_destroy(_ap_instance->api); @@ -133,14 +132,14 @@ void ap_fini(void) if (_ap_instance->rb != NULL) shm_ap_rbuff_destroy(_ap_instance->rb); - rw_lock_rdlock(&_ap_instance->flows_lock); + pthread_rwlock_rdlock(&_ap_instance->flows_lock); for (i = 0; i < AP_MAX_FLOWS; ++i) if (_ap_instance->flows[i].rb != NULL) shm_ap_rbuff_close(_ap_instance->flows[i].rb); - rw_lock_unlock(&_ap_instance->flows_lock); - rw_lock_unlock(&_ap_instance->data_lock); + pthread_rwlock_unlock(&_ap_instance->flows_lock); + pthread_rwlock_unlock(&_ap_instance->data_lock); free(_ap_instance); } @@ -166,12 +165,12 @@ int flow_accept(char ** ae_name) msg.code = IRM_MSG_CODE__IRM_FLOW_ACCEPT; msg.has_pid = true; - rw_lock_rdlock(&_ap_instance->data_lock); + pthread_rwlock_rdlock(&_ap_instance->data_lock); msg.ap_name = _ap_instance->api->name; msg.pid = _ap_instance->api->id; - rw_lock_unlock(&_ap_instance->data_lock); + pthread_rwlock_unlock(&_ap_instance->data_lock); recv_msg = send_recv_irm_msg(&msg); if (recv_msg == NULL) { @@ -183,13 +182,13 @@ int flow_accept(char ** ae_name) return -1; } - rw_lock_rdlock(&_ap_instance->data_lock); - rw_lock_wrlock(&_ap_instance->flows_lock); + pthread_rwlock_rdlock(&_ap_instance->data_lock); + pthread_rwlock_wrlock(&_ap_instance->flows_lock); cfd = bmp_allocate(_ap_instance->fds); if (!bmp_is_id_valid(_ap_instance->fds, cfd)) { - rw_lock_unlock(&_ap_instance->flows_lock); - rw_lock_unlock(&_ap_instance->data_lock); + pthread_rwlock_unlock(&_ap_instance->flows_lock); + pthread_rwlock_unlock(&_ap_instance->data_lock); irm_msg__free_unpacked(recv_msg, NULL); return -1; } @@ -197,8 +196,8 @@ int flow_accept(char ** ae_name) _ap_instance->flows[cfd].rb = shm_ap_rbuff_open(recv_msg->pid); if (_ap_instance->flows[cfd].rb == NULL) { bmp_release(_ap_instance->fds, cfd); - rw_lock_unlock(&_ap_instance->flows_lock); - rw_lock_unlock(&_ap_instance->data_lock); + pthread_rwlock_unlock(&_ap_instance->flows_lock); + pthread_rwlock_unlock(&_ap_instance->data_lock); irm_msg__free_unpacked(recv_msg, NULL); return -1; } @@ -208,8 +207,8 @@ int flow_accept(char ** ae_name) if (*ae_name == NULL) { shm_ap_rbuff_close(_ap_instance->flows[cfd].rb); bmp_release(_ap_instance->fds, cfd); - rw_lock_unlock(&_ap_instance->flows_lock); - rw_lock_unlock(&_ap_instance->data_lock); + pthread_rwlock_unlock(&_ap_instance->flows_lock); + pthread_rwlock_unlock(&_ap_instance->data_lock); irm_msg__free_unpacked(recv_msg, NULL); return -1; } @@ -218,8 +217,8 @@ int flow_accept(char ** ae_name) _ap_instance->flows[cfd].port_id = recv_msg->port_id; _ap_instance->flows[cfd].oflags = FLOW_O_DEFAULT; - rw_lock_unlock(&_ap_instance->flows_lock); - rw_lock_unlock(&_ap_instance->data_lock); + pthread_rwlock_unlock(&_ap_instance->flows_lock); + pthread_rwlock_unlock(&_ap_instance->data_lock); irm_msg__free_unpacked(recv_msg, NULL); @@ -241,31 +240,31 @@ int flow_alloc_resp(int fd, msg.pid = _ap_instance->api->id; msg.has_port_id = true; - rw_lock_rdlock(&_ap_instance->data_lock); - rw_lock_rdlock(&_ap_instance->flows_lock); + pthread_rwlock_rdlock(&_ap_instance->data_lock); + pthread_rwlock_rdlock(&_ap_instance->flows_lock); msg.port_id = _ap_instance->flows[fd].port_id; - rw_lock_unlock(&_ap_instance->flows_lock); + pthread_rwlock_unlock(&_ap_instance->flows_lock); msg.has_response = true; msg.response = response; recv_msg = send_recv_irm_msg(&msg); if (recv_msg == NULL) { - rw_lock_unlock(&_ap_instance->data_lock); + pthread_rwlock_unlock(&_ap_instance->data_lock); return -1; } if (!recv_msg->has_result) { - rw_lock_unlock(&_ap_instance->data_lock); + pthread_rwlock_unlock(&_ap_instance->data_lock); irm_msg__free_unpacked(recv_msg, NULL); return -1; } ret = recv_msg->result; - rw_lock_unlock(&_ap_instance->data_lock); + pthread_rwlock_unlock(&_ap_instance->data_lock); irm_msg__free_unpacked(recv_msg, NULL); @@ -291,11 +290,11 @@ int flow_alloc(char * dst_name, msg.ae_name = src_ae_name; msg.has_pid = true; - rw_lock_rdlock(&_ap_instance->data_lock); + pthread_rwlock_rdlock(&_ap_instance->data_lock); msg.pid = _ap_instance->api->id; - rw_lock_unlock(&_ap_instance->data_lock); + pthread_rwlock_unlock(&_ap_instance->data_lock); recv_msg = send_recv_irm_msg(&msg); if (recv_msg == NULL) { @@ -307,13 +306,13 @@ int flow_alloc(char * dst_name, return -1; } - rw_lock_rdlock(&_ap_instance->data_lock); - rw_lock_wrlock(&_ap_instance->flows_lock); + pthread_rwlock_rdlock(&_ap_instance->data_lock); + pthread_rwlock_wrlock(&_ap_instance->flows_lock); fd = bmp_allocate(_ap_instance->fds); if (!bmp_is_id_valid(_ap_instance->fds, fd)) { - rw_lock_unlock(&_ap_instance->flows_lock); - rw_lock_unlock(&_ap_instance->data_lock); + pthread_rwlock_unlock(&_ap_instance->flows_lock); + pthread_rwlock_unlock(&_ap_instance->data_lock); irm_msg__free_unpacked(recv_msg, NULL); return -1; } @@ -321,8 +320,8 @@ int flow_alloc(char * dst_name, _ap_instance->flows[fd].rb = shm_ap_rbuff_open(recv_msg->pid); if (_ap_instance->flows[fd].rb == NULL) { bmp_release(_ap_instance->fds, fd); - rw_lock_unlock(&_ap_instance->flows_lock); - rw_lock_unlock(&_ap_instance->data_lock); + pthread_rwlock_unlock(&_ap_instance->flows_lock); + pthread_rwlock_unlock(&_ap_instance->data_lock); irm_msg__free_unpacked(recv_msg, NULL); return -1; } @@ -330,8 +329,8 @@ int flow_alloc(char * dst_name, _ap_instance->flows[fd].port_id = recv_msg->port_id; _ap_instance->flows[fd].oflags = FLOW_O_DEFAULT; - rw_lock_unlock(&_ap_instance->flows_lock); - rw_lock_unlock(&_ap_instance->data_lock); + pthread_rwlock_unlock(&_ap_instance->flows_lock); + pthread_rwlock_unlock(&_ap_instance->data_lock); irm_msg__free_unpacked(recv_msg, NULL); @@ -350,13 +349,13 @@ int flow_alloc_res(int fd) msg.code = IRM_MSG_CODE__IRM_FLOW_ALLOC_RES; msg.has_port_id = true; - rw_lock_rdlock(&_ap_instance->data_lock); - rw_lock_rdlock(&_ap_instance->flows_lock); + pthread_rwlock_rdlock(&_ap_instance->data_lock); + pthread_rwlock_rdlock(&_ap_instance->flows_lock); msg.port_id = _ap_instance->flows[fd].port_id; - rw_lock_unlock(&_ap_instance->flows_lock); - rw_lock_unlock(&_ap_instance->data_lock); + pthread_rwlock_unlock(&_ap_instance->flows_lock); + pthread_rwlock_unlock(&_ap_instance->data_lock); recv_msg = send_recv_irm_msg(&msg); if (recv_msg == NULL) { @@ -384,8 +383,8 @@ int flow_dealloc(int fd) msg.code = IRM_MSG_CODE__IRM_FLOW_DEALLOC; msg.has_port_id = true; - rw_lock_rdlock(&_ap_instance->data_lock); - rw_lock_wrlock(&_ap_instance->flows_lock); + pthread_rwlock_rdlock(&_ap_instance->data_lock); + pthread_rwlock_wrlock(&_ap_instance->flows_lock); msg.port_id = _ap_instance->flows[fd].port_id; @@ -395,23 +394,23 @@ int flow_dealloc(int fd) bmp_release(_ap_instance->fds, fd); - rw_lock_unlock(&_ap_instance->flows_lock); + pthread_rwlock_unlock(&_ap_instance->flows_lock); recv_msg = send_recv_irm_msg(&msg); if (recv_msg == NULL) { - rw_lock_unlock(&_ap_instance->data_lock); + pthread_rwlock_unlock(&_ap_instance->data_lock); return -1; } if (!recv_msg->has_result) { - rw_lock_unlock(&_ap_instance->data_lock); + pthread_rwlock_unlock(&_ap_instance->data_lock); irm_msg__free_unpacked(recv_msg, NULL); return -1; } ret = recv_msg->result; - rw_lock_unlock(&_ap_instance->data_lock); + pthread_rwlock_unlock(&_ap_instance->data_lock); irm_msg__free_unpacked(recv_msg, NULL); @@ -425,24 +424,24 @@ int flow_cntl(int fd, int cmd, int oflags) if (fd < 0) return -EBADF; - rw_lock_rdlock(&_ap_instance->data_lock); - rw_lock_wrlock(&_ap_instance->flows_lock); + pthread_rwlock_rdlock(&_ap_instance->data_lock); + pthread_rwlock_wrlock(&_ap_instance->flows_lock); old = _ap_instance->flows[fd].oflags; switch (cmd) { case FLOW_F_GETFL: /* GET FLOW FLAGS */ - rw_lock_unlock(&_ap_instance->flows_lock); - rw_lock_unlock(&_ap_instance->data_lock); + pthread_rwlock_unlock(&_ap_instance->flows_lock); + pthread_rwlock_unlock(&_ap_instance->data_lock); return old; case FLOW_F_SETFL: /* SET FLOW FLAGS */ _ap_instance->flows[fd].oflags = oflags; - rw_lock_unlock(&_ap_instance->flows_lock); - rw_lock_unlock(&_ap_instance->data_lock); + pthread_rwlock_unlock(&_ap_instance->flows_lock); + pthread_rwlock_unlock(&_ap_instance->data_lock); return old; default: - rw_lock_unlock(&_ap_instance->flows_lock); - rw_lock_unlock(&_ap_instance->data_lock); + pthread_rwlock_unlock(&_ap_instance->flows_lock); + pthread_rwlock_unlock(&_ap_instance->data_lock); return FLOW_O_INVALID; /* unknown command */ } } @@ -458,8 +457,8 @@ ssize_t flow_write(int fd, void * buf, size_t count) if (fd < 0) return -EBADF; - rw_lock_rdlock(&_ap_instance->data_lock); - rw_lock_rdlock(&_ap_instance->flows_lock); + pthread_rwlock_rdlock(&_ap_instance->data_lock); + pthread_rwlock_rdlock(&_ap_instance->flows_lock); if (_ap_instance->flows[fd].oflags & FLOW_O_NONBLOCK) { index = shm_create_du_buff(_ap_instance->dum, @@ -469,8 +468,8 @@ ssize_t flow_write(int fd, void * buf, size_t count) (uint8_t *) buf, count); if (index == -1) { - rw_lock_unlock(&_ap_instance->flows_lock); - rw_lock_unlock(&_ap_instance->data_lock); + pthread_rwlock_unlock(&_ap_instance->flows_lock); + pthread_rwlock_unlock(&_ap_instance->data_lock); return -1; } @@ -479,8 +478,8 @@ ssize_t flow_write(int fd, void * buf, size_t count) if (shm_ap_rbuff_write(_ap_instance->flows[fd].rb, &e) < 0) { shm_release_du_buff(_ap_instance->dum, index); - rw_lock_unlock(&_ap_instance->flows_lock); - rw_lock_unlock(&_ap_instance->data_lock); + pthread_rwlock_unlock(&_ap_instance->flows_lock); + pthread_rwlock_unlock(&_ap_instance->data_lock); return -EPIPE; } } else { /* blocking */ @@ -499,8 +498,8 @@ ssize_t flow_write(int fd, void * buf, size_t count) ; } - rw_lock_unlock(&_ap_instance->flows_lock); - rw_lock_unlock(&_ap_instance->data_lock); + pthread_rwlock_unlock(&_ap_instance->flows_lock); + pthread_rwlock_unlock(&_ap_instance->data_lock); return 0; } @@ -514,12 +513,12 @@ ssize_t flow_read(int fd, void * buf, size_t count) if (fd < 0) return -EBADF; - rw_lock_rdlock(&_ap_instance->data_lock); - rw_lock_rdlock(&_ap_instance->flows_lock); + pthread_rwlock_rdlock(&_ap_instance->data_lock); + pthread_rwlock_rdlock(&_ap_instance->flows_lock); if (_ap_instance->flows[fd].port_id < 0) { - rw_lock_unlock(&_ap_instance->flows_lock); - rw_lock_unlock(&_ap_instance->data_lock); + pthread_rwlock_unlock(&_ap_instance->flows_lock); + pthread_rwlock_unlock(&_ap_instance->data_lock); return -1; } @@ -533,10 +532,10 @@ ssize_t flow_read(int fd, void * buf, size_t count) ; } - rw_lock_unlock(&_ap_instance->flows_lock); + pthread_rwlock_unlock(&_ap_instance->flows_lock); if (idx < 0) { - rw_lock_unlock(&_ap_instance->data_lock); + pthread_rwlock_unlock(&_ap_instance->data_lock); return -1; } @@ -544,7 +543,7 @@ ssize_t flow_read(int fd, void * buf, size_t count) _ap_instance->dum, idx); if (n < 0) { - rw_lock_unlock(&_ap_instance->data_lock); + pthread_rwlock_unlock(&_ap_instance->data_lock); return -1; } @@ -552,7 +551,7 @@ ssize_t flow_read(int fd, void * buf, size_t count) shm_release_du_buff(_ap_instance->dum, idx); - rw_lock_unlock(&_ap_instance->data_lock); + pthread_rwlock_unlock(&_ap_instance->data_lock); return n; } |