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Viewing changes to src/lttng-context-migratable.c

  • Committer: Mathieu Desnoyers
  • Author(s): Michael Jeanson
  • Date: 2021-04-15 17:03:31 UTC
  • Revision ID: git-v1:087e3f1b33319c80a5e3dbee7a77174db55647d9
fix: refactor contexts for type description structures

The 'preemptible' and 'migratable' contexts were not refactored along
the others in :

  commit 437d5aa59380583ce1cd14d394a53b398be1275d
  Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  Date:   Wed Apr 7 14:52:27 2021 -0400

    Refactoring: type description structures

Change-Id: I8a228c0ff982a4aded27b055baae1f5efec29164
Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

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removed removed

Lines of Context:
src/lttng-context-migratable.c
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        value->s64 = !current->migrate_disable;
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}
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static const struct lttng_kernel_ctx_field *ctx_field = lttng_kernel_static_ctx_field(
 
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        lttng_kernel_static_event_field("migratable",
 
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                lttng_kernel_static_type_integer_from_type(uint8_t, __BYTE_ORDER, 10),
 
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                false, false, false),
 
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        migratable_get_size,
 
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        NULL,
 
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        migratable_record,
 
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        migratable_get_value,
 
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        NULL, NULL);
 
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int lttng_add_migratable_to_ctx(struct lttng_kernel_ctx **ctx)
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{
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        struct lttng_kernel_ctx_field *field;
 
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        int ret;
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        field = lttng_append_context(ctx);
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        if (!field)
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                return -ENOMEM;
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        if (lttng_find_context(*ctx, "migratable")) {
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                lttng_remove_context_field(ctx, field);
 
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        if (lttng_kernel_find_context(*ctx, ctx_field->event_field->name))
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                return -EEXIST;
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        }
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        field->event_field.name = "migratable";
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        field->event_field.type.type = lttng_kernel_type_integer;
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        field->event_field.type.u.integer.size = sizeof(uint8_t) * CHAR_BIT;
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        field->event_field.type.u.integer.alignment = lttng_alignof(uint8_t) * CHAR_BIT;
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        field->event_field.type.u.integer.signedness = lttng_is_signed_type(uint8_t);
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        field->event_field.type.u.integer.reverse_byte_order = 0;
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        field->event_field.type.u.integer.base = 10;
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        field->event_field.type.u.integer.encoding = lttng_kernel_string_encoding_none;
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        field->get_size = migratable_get_size;
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        field->record = migratable_record;
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        field->get_value = migratable_get_value;
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        lttng_context_update(*ctx);
 
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        ret = lttng_kernel_context_append(ctx, ctx_field);
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        wrapper_vmalloc_sync_mappings();
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        return 0;
 
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        return ret;
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}
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EXPORT_SYMBOL_GPL(lttng_add_migratable_to_ctx);