X-Git-Url: http://git.liburcu.org/?p=lttng-modules.git;a=blobdiff_plain;f=lttng-context-pid.c;h=b3caabb4fa6c057c01c875ad5503cd19d49fdead;hp=b8155ea8dbb1456300fa8645a026bd5eae60ab33;hb=HEAD;hpb=263b6c88138c3354d63dba3c70a965de94becd22 diff --git a/lttng-context-pid.c b/lttng-context-pid.c deleted file mode 100644 index b8155ea8..00000000 --- a/lttng-context-pid.c +++ /dev/null @@ -1,74 +0,0 @@ -/* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only) - * - * lttng-context-pid.c - * - * LTTng PID context. - * - * Copyright (C) 2009-2012 Mathieu Desnoyers - */ - -#include -#include -#include -#include -#include -#include -#include - -static -size_t pid_get_size(size_t offset) -{ - size_t size = 0; - - size += lib_ring_buffer_align(offset, lttng_alignof(pid_t)); - size += sizeof(pid_t); - return size; -} - -static -void pid_record(struct lttng_ctx_field *field, - struct lib_ring_buffer_ctx *ctx, - struct lttng_channel *chan) -{ - pid_t pid; - - pid = task_tgid_nr(current); - lib_ring_buffer_align_ctx(ctx, lttng_alignof(pid)); - chan->ops->event_write(ctx, &pid, sizeof(pid)); -} - -static -void pid_get_value(struct lttng_ctx_field *field, - struct lttng_probe_ctx *lttng_probe_ctx, - union lttng_ctx_value *value) -{ - value->s64 = task_tgid_nr(current); -} - -int lttng_add_pid_to_ctx(struct lttng_ctx **ctx) -{ - struct lttng_ctx_field *field; - - field = lttng_append_context(ctx); - if (!field) - return -ENOMEM; - if (lttng_find_context(*ctx, "pid")) { - lttng_remove_context_field(ctx, field); - return -EEXIST; - } - field->event_field.name = "pid"; - field->event_field.type.atype = atype_integer; - field->event_field.type.u.integer.size = sizeof(pid_t) * CHAR_BIT; - field->event_field.type.u.integer.alignment = lttng_alignof(pid_t) * CHAR_BIT; - field->event_field.type.u.integer.signedness = lttng_is_signed_type(pid_t); - field->event_field.type.u.integer.reverse_byte_order = 0; - field->event_field.type.u.integer.base = 10; - field->event_field.type.u.integer.encoding = lttng_encode_none; - field->get_size = pid_get_size; - field->record = pid_record; - field->get_value = pid_get_value; - lttng_context_update(*ctx); - wrapper_vmalloc_sync_mappings(); - return 0; -} -EXPORT_SYMBOL_GPL(lttng_add_pid_to_ctx);