X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=liblttng-ust-ctl%2Fustctl.c;h=f7e13a1a06e8618823899e8a49286278d8f4ce5a;hb=ef9ff354212ff4b038e1a5b6a7ed0ffe1b949663;hp=ed814b29e9883059a15c39c4c4ac5899b75aaf5f;hpb=123881664dc99ef7817e8a3e7ca59d5eaa976d06;p=lttng-ust.git diff --git a/liblttng-ust-ctl/ustctl.c b/liblttng-ust-ctl/ustctl.c index ed814b29..f7e13a1a 100644 --- a/liblttng-ust-ctl/ustctl.c +++ b/liblttng-ust-ctl/ustctl.c @@ -20,11 +20,12 @@ #include #include #include -#include -#include #include #include +#include +#include + #include "../libringbuffer/backend.h" #include "../libringbuffer/frontend.h" @@ -39,28 +40,44 @@ void init_object(struct lttng_ust_object_data *data) data->memory_map_size = 0; } -/* - * If sock is negative, it means we don't have to notify the other side - * (e.g. application has already vanished). - */ -void ustctl_release_object(int sock, struct lttng_ust_object_data *data) +int ustctl_release_handle(int sock, int handle) { struct ustcomm_ust_msg lum; struct ustcomm_ust_reply lur; int ret; - if (data->shm_fd >= 0) - close(data->shm_fd); - if (data->wait_fd >= 0) - close(data->wait_fd); if (sock >= 0) { memset(&lum, 0, sizeof(lum)); - lum.handle = data->handle; + lum.handle = handle; lum.cmd = LTTNG_UST_RELEASE; ret = ustcomm_send_app_cmd(sock, &lum, &lur); - assert(!ret); + if (ret < 0) { + return ret; + } } - free(data); + return 0; +} +/* + * If sock is negative, it means we don't have to notify the other side + * (e.g. application has already vanished). + */ +int ustctl_release_object(int sock, struct lttng_ust_object_data *data) +{ + int ret; + + if (data->shm_fd >= 0) { + ret = close(data->shm_fd); + if (ret < 0) { + return ret; + } + } + if (data->wait_fd >= 0) { + ret = close(data->wait_fd); + if (ret < 0) { + return ret; + } + } + return ustctl_release_handle(sock, data->handle); } /* @@ -160,7 +177,8 @@ int ustctl_open_metadata(int sock, int session_handle, return 0; error: - ustctl_release_object(sock, metadata_data); + (void) ustctl_release_object(sock, metadata_data); + free(metadata_data); return -EINVAL; } @@ -213,7 +231,8 @@ int ustctl_create_channel(int sock, int session_handle, return 0; error: - ustctl_release_object(sock, channel_data); + (void) ustctl_release_object(sock, channel_data); + free(channel_data); return -EINVAL; } @@ -264,7 +283,8 @@ int ustctl_create_stream(int sock, struct lttng_ust_object_data *channel_data, return ret; error: - ustctl_release_object(sock, stream_data); + (void) ustctl_release_object(sock, stream_data); + free(stream_data); return -EINVAL; } @@ -394,7 +414,7 @@ int ustctl_tracepoint_list(int sock) } int ustctl_tracepoint_list_get(int sock, int tp_list_handle, - char iter[LTTNG_UST_SYM_NAME_LEN]) + struct lttng_ust_tracepoint_iter *iter) { struct ustcomm_ust_msg lum; struct ustcomm_ust_reply lur; @@ -406,8 +426,11 @@ int ustctl_tracepoint_list_get(int sock, int tp_list_handle, ret = ustcomm_send_app_cmd(sock, &lum, &lur); if (ret) return ret; - DBG("received tracepoint list entry %s", lur.u.tracepoint_list_entry); - memcpy(iter, lur.u.tracepoint_list_entry, LTTNG_UST_SYM_NAME_LEN); + DBG("received tracepoint list entry name %s loglevel %s loglevel_value %lld", + lur.u.tracepoint.name, + lur.u.tracepoint.loglevel, + (unsigned long long) lur.u.tracepoint.loglevel_value); + memcpy(iter, &lur.u.tracepoint, sizeof(*iter)); return 0; } @@ -449,6 +472,22 @@ int ustctl_calibrate(int sock, struct lttng_ust_calibrate *calibrate) return -ENOSYS; } +int ustctl_sock_flush_buffer(int sock, struct lttng_ust_object_data *object) +{ + struct ustcomm_ust_msg lum; + struct ustcomm_ust_reply lur; + int ret; + + memset(&lum, 0, sizeof(lum)); + lum.handle = object->handle; + lum.cmd = LTTNG_UST_FLUSH_BUFFER; + ret = ustcomm_send_app_cmd(sock, &lum, &lur); + if (ret) + return ret; + DBG("flushed buffer handle %u", object->handle); + return 0; +} + /* Buffer operations */ /* Map channel shm into process memory */ @@ -561,8 +600,8 @@ struct lttng_ust_lib_ring_buffer *ustctl_open_stream_read(struct lttng_ust_shm_h int cpu) { struct channel *chan = handle->shadow_chan; - int shm_fd, wait_fd; - uint64_t memory_map_size; + int *shm_fd, *wait_fd; + uint64_t *memory_map_size; struct lttng_ust_lib_ring_buffer *buf; int ret;