Refactoring: context structures
authorMathieu Desnoyers <mathieu.desnoyers@efficios.com>
Tue, 16 Mar 2021 18:51:18 +0000 (14:51 -0400)
committerMathieu Desnoyers <mathieu.desnoyers@efficios.com>
Tue, 16 Mar 2021 19:05:38 +0000 (15:05 -0400)
commitdaacdbfc04fe07ecff0a0d1878b4f48d38912c78
tree9012bb7df922658f2fa31b5c8f05bf200dc95475
parent06e646e04714e0e0f7537841107ab0528ef33a52
Refactoring: context structures

The context structures are now hidden in headers which are not
installed, but those are still part of the UST ABI. Therefore, we need
to update them to make sure those are extensible.

- Namespace theses structures with lttng_ust_ prefix,
- Use struct_size extensibility scheme. There was no prior padding, so
  extensibility was an issue in the past.
- Remove padding.
- This requires that none of those structures can be nested. It also
  requires that all arrays of structures must be replaced by arrays of
  pointers to structures.
- Replace struct lttng_perf_counter_field pointer by a private data
  pointer.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Change-Id: I4ecb8f73652770f15c693c1b5b2acce3e871a64b
40 files changed:
include/lttng/ust-events.h
include/ust-comm.h
include/ust-context-provider.h
liblttng-ust-comm/lttng-ust-comm.c
liblttng-ust-java-agent/jni/common/lttng_ust_context.c
liblttng-ust/context-internal.h
liblttng-ust/context-provider-internal.h
liblttng-ust/lttng-bytecode-interpreter.c
liblttng-ust/lttng-bytecode-specialize.c
liblttng-ust/lttng-bytecode.c
liblttng-ust/lttng-context-cgroup-ns.c
liblttng-ust/lttng-context-cpu-id.c
liblttng-ust/lttng-context-ip.c
liblttng-ust/lttng-context-ipc-ns.c
liblttng-ust/lttng-context-mnt-ns.c
liblttng-ust/lttng-context-net-ns.c
liblttng-ust/lttng-context-perf-counters.c
liblttng-ust/lttng-context-pid-ns.c
liblttng-ust/lttng-context-procname.c
liblttng-ust/lttng-context-provider.c
liblttng-ust/lttng-context-pthread-id.c
liblttng-ust/lttng-context-time-ns.c
liblttng-ust/lttng-context-user-ns.c
liblttng-ust/lttng-context-uts-ns.c
liblttng-ust/lttng-context-vegid.c
liblttng-ust/lttng-context-veuid.c
liblttng-ust/lttng-context-vgid.c
liblttng-ust/lttng-context-vpid.c
liblttng-ust/lttng-context-vsgid.c
liblttng-ust/lttng-context-vsuid.c
liblttng-ust/lttng-context-vtid.c
liblttng-ust/lttng-context-vuid.c
liblttng-ust/lttng-context.c
liblttng-ust/lttng-events.c
liblttng-ust/lttng-ring-buffer-client.h
liblttng-ust/lttng-tracer-core.h
liblttng-ust/lttng-ust-abi.c
liblttng-ust/ust-core.c
liblttng-ust/ust-events-internal.h
tests/compile/test-app-ctx/hello.c
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