[PATCH 4/8] trace2: demonstrate trace2 child process classification

[Jeff Hostetler via GitGitGadget]

From: Jeff Hostetler <jeffh...@microsoft.com>

Classify editory, pager, and sub-process child processes.
The former two can be used to identify interactive commands,
for example.

Signed-off-by: Jeff Hostetler <jeffh...@microsoft.com>
---
 editor.c      | 1 +
 pager.c       | 1 +
 sub-process.c | 1 +
 3 files changed, 3 insertions(+)

diff --git a/editor.c b/editor.c
index 9a9b4e12d1..29707de198 100644
--- a/editor.c
+++ b/editor.c
@@ -66,6 +66,7 @@ int launch_editor(const char *path, struct strbuf *buffer, 
const char *const *en
                p.argv = args;
                p.env = env;
                p.use_shell = 1;
+               p.trace2_child_class = "editor";
                if (start_command(&p) < 0)
                        return error("unable to start editor '%s'", editor);
 
diff --git a/pager.c b/pager.c
index a768797fcf..4168460ae9 100644
--- a/pager.c
+++ b/pager.c
@@ -100,6 +100,7 @@ void prepare_pager_args(struct child_process 
*pager_process, const char *pager)
        argv_array_push(&pager_process->args, pager);
        pager_process->use_shell = 1;
        setup_pager_env(&pager_process->env_array);
+       pager_process->trace2_child_class = "pager";
 }
 
 void setup_pager(void)
diff --git a/sub-process.c b/sub-process.c
index 8d2a1707cf..3f4af93555 100644
--- a/sub-process.c
+++ b/sub-process.c
@@ -88,6 +88,7 @@ int subprocess_start(struct hashmap *hashmap, struct 
subprocess_entry *entry, co
        process->out = -1;
        process->clean_on_exit = 1;
        process->clean_on_exit_handler = subprocess_exit_handler;
+       process->trace2_child_class = "subprocess";
 
        err = start_command(process);
        if (err) {
-- 
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