X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=include%2Fbabeltrace%2Fctf%2Ftypes.h;h=d47cab8203b4e8fbcd1f8085c904b8b81f4a7eba;hp=8f9bf992e9d49e18360e09f976d72a4636585f85;hb=46322b331aefc5739efd841df72d1928e35050e6;hpb=0337dd70c0f441db8c504ab7899dd89f6a22f89f diff --git a/include/babeltrace/ctf/types.h b/include/babeltrace/ctf/types.h index 8f9bf992..d47cab82 100644 --- a/include/babeltrace/ctf/types.h +++ b/include/babeltrace/ctf/types.h @@ -33,9 +33,10 @@ struct packet_index { }; /* - * Always update stream_pos with move_pos and init_pos. + * Always update ctf_stream_pos with ctf_move_pos and ctf_init_pos. */ -struct stream_pos { +struct ctf_stream_pos { + struct stream_pos parent; int fd; /* backing file fd. -1 if unset. */ GArray *packet_index; /* contains struct packet_index */ int prot; /* mmap protection */ @@ -53,6 +54,12 @@ struct stream_pos { int dummy; /* dummy position, for length calculation */ }; +static inline +struct ctf_stream_pos *ctf_pos(struct stream_pos *pos) +{ + return container_of(pos, struct ctf_stream_pos, parent); +} + /* * IMPORTANT: All lengths (len) and offsets (start, end) are expressed in bits, * *not* in bytes. @@ -117,10 +124,10 @@ void ctf_sequence_begin(struct stream_pos *pos, void ctf_sequence_end(struct stream_pos *pos, const struct declaration_sequence *sequence_declaration); -void move_pos_slow(struct stream_pos *pos, size_t offset); +void ctf_move_pos_slow(struct ctf_stream_pos *pos, size_t offset); -void init_pos(struct stream_pos *pos, int fd); -void fini_pos(struct stream_pos *pos); +void ctf_init_pos(struct ctf_stream_pos *pos, int fd); +void ctf_fini_pos(struct ctf_stream_pos *pos); /* * move_pos - move position of a relative bit offset @@ -128,14 +135,14 @@ void fini_pos(struct stream_pos *pos); * TODO: allow larger files by updating base too. */ static inline -void move_pos(struct stream_pos *pos, size_t bit_offset) +void ctf_move_pos(struct ctf_stream_pos *pos, size_t bit_offset) { if (pos->fd >= 0) { if (((pos->prot == PROT_READ) && (pos->offset + bit_offset >= pos->content_size)) || ((pos->prot == PROT_WRITE) && (pos->offset + bit_offset >= pos->packet_size))) { - move_pos_slow(pos, bit_offset); + ctf_move_pos_slow(pos, bit_offset); return; } } @@ -148,13 +155,13 @@ void move_pos(struct stream_pos *pos, size_t bit_offset) * TODO: allow larger files by updating base too. */ static inline -void align_pos(struct stream_pos *pos, size_t bit_offset) +void ctf_align_pos(struct ctf_stream_pos *pos, size_t bit_offset) { - move_pos(pos, offset_align(pos->offset, bit_offset)); + ctf_move_pos(pos, offset_align(pos->offset, bit_offset)); } static inline -char *get_pos_addr(struct stream_pos *pos) +char *ctf_get_pos_addr(struct ctf_stream_pos *pos) { /* Only makes sense to get the address after aligning on CHAR_BIT */ assert(!(pos->offset % CHAR_BIT)); @@ -162,9 +169,9 @@ char *get_pos_addr(struct stream_pos *pos) } static inline -void dummy_pos(struct stream_pos *pos, struct stream_pos *dummy) +void ctf_dummy_pos(struct ctf_stream_pos *pos, struct ctf_stream_pos *dummy) { - memcpy(dummy, pos, sizeof(struct stream_pos)); + memcpy(dummy, pos, sizeof(struct ctf_stream_pos)); dummy->dummy = 1; dummy->fd = -1; } @@ -174,7 +181,7 @@ void dummy_pos(struct stream_pos *pos, struct stream_pos *dummy) * Returns 0 for success, negative error otherwise. */ static inline -int pos_packet(struct stream_pos *dummy) +int ctf_pos_packet(struct ctf_stream_pos *dummy) { if (dummy->offset > dummy->packet_size) return -ENOSPC; @@ -182,9 +189,9 @@ int pos_packet(struct stream_pos *dummy) } static inline -void pos_pad_packet(struct stream_pos *pos) +void ctf_pos_pad_packet(struct ctf_stream_pos *pos) { - move_pos(pos, pos->packet_size - pos->offset); + ctf_move_pos(pos, pos->packet_size - pos->offset); } #endif /* _BABELTRACE_CTF_TYPES_H */