X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=libringbuffer%2Fbackend_types.h;h=1c3d3bc540410fc816983f5f33c037aee5a97a67;hb=b728d87e617189fe9898a9492a559ecf949d2348;hp=3bc36ba81ee896fbd295e5973b6f9cbe052cdbfe;hpb=a6352fd40a2090fd883a6c369144bf405c9e9ec4;p=lttng-ust.git diff --git a/libringbuffer/backend_types.h b/libringbuffer/backend_types.h index 3bc36ba8..1c3d3bc5 100644 --- a/libringbuffer/backend_types.h +++ b/libringbuffer/backend_types.h @@ -11,9 +11,9 @@ * Dual LGPL v2.1/GPL v2 license. */ -#include "shm.h" +#include "shm_internal.h" -struct lib_ring_buffer_backend_pages { +struct lttng_ust_lib_ring_buffer_backend_pages { unsigned long mmap_offset; /* offset of the subbuffer in mmap */ union v_atomic records_commit; /* current records committed count */ union v_atomic records_unread; /* records to read */ @@ -21,7 +21,7 @@ struct lib_ring_buffer_backend_pages { DECLARE_SHMP(char, p); /* Backing memory map */ }; -struct lib_ring_buffer_backend_subbuffer { +struct lttng_ust_lib_ring_buffer_backend_subbuffer { /* Identifier for subbuf backend pages. Exchanged atomically. */ unsigned long id; /* backend subbuffer identifier */ }; @@ -30,18 +30,22 @@ struct lib_ring_buffer_backend_subbuffer { * Forward declaration of frontend-specific channel and ring_buffer. */ struct channel; -struct lib_ring_buffer; +struct lttng_ust_lib_ring_buffer; -struct lib_ring_buffer_backend { +struct lttng_ust_lib_ring_buffer_backend_pages_shmp { + DECLARE_SHMP(struct lttng_ust_lib_ring_buffer_backend_pages, shmp); +}; + +struct lttng_ust_lib_ring_buffer_backend { /* Array of ring_buffer_backend_subbuffer for writer */ - DECLARE_SHMP(struct lib_ring_buffer_backend_subbuffer, buf_wsb); + DECLARE_SHMP(struct lttng_ust_lib_ring_buffer_backend_subbuffer, buf_wsb); /* ring_buffer_backend_subbuffer for reader */ - struct lib_ring_buffer_backend_subbuffer buf_rsb; + struct lttng_ust_lib_ring_buffer_backend_subbuffer buf_rsb; /* * Pointer array of backend pages, for whole buffer. * Indexed by ring_buffer_backend_subbuffer identifier (id) index. */ - DECLARE_SHMP(struct lib_ring_buffer_backend_pages *, array); + DECLARE_SHMP(struct lttng_ust_lib_ring_buffer_backend_pages_shmp, array); DECLARE_SHMP(char, memory_map); /* memory mapping */ DECLARE_SHMP(struct channel, chan); /* Associated channel */ @@ -50,6 +54,10 @@ struct lib_ring_buffer_backend { unsigned int allocated:1; /* Bool: is buffer allocated ? */ }; +struct lttng_ust_lib_ring_buffer_shmp { + DECLARE_SHMP(struct lttng_ust_lib_ring_buffer, shmp); /* Channel per-cpu buffers */ +}; + struct channel_backend { unsigned long buf_size; /* Size of the buffer */ unsigned long subbuf_size; /* Sub-buffer size */ @@ -60,12 +68,12 @@ struct channel_backend { */ unsigned int buf_size_order; /* Order of buffer size */ int extra_reader_sb:1; /* Bool: has extra reader subbuffer */ - DECLARE_SHMP(struct lib_ring_buffer, buf); /* Channel per-cpu buffers */ unsigned long num_subbuf; /* Number of sub-buffers for writer */ u64 start_tsc; /* Channel creation TSC value */ - void *priv; /* Client-specific information */ - const struct lib_ring_buffer_config *config; /* Ring buffer configuration */ + DECLARE_SHMP(void *, priv_data);/* Client-specific information */ + struct lttng_ust_lib_ring_buffer_config config; /* Ring buffer configuration */ char name[NAME_MAX]; /* Channel name */ + struct lttng_ust_lib_ring_buffer_shmp buf[]; }; #endif /* _LINUX_RING_BUFFER_BACKEND_TYPES_H */