[gentoo-commits] proj/steve:cuse commit in: /

[Michał Górny]

commit:     fa45f039974438d4262422dd1630634fc84c5dbd
Author:     Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Tue Nov 18 19:00:21 2025 +0000
Commit:     Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Tue Nov 18 19:00:21 2025 +0000
URL:        https://gitweb.gentoo.org/proj/steve.git/commit/?id=fa45f039

Print status on SIGUSR1

Signed-off-by: Michał Górny <mgorny <AT> gentoo.org>

 steve.cxx | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/steve.cxx b/steve.cxx
index 713137f..a837a4a 100644
--- a/steve.cxx
+++ b/steve.cxx
@@ -307,6 +307,18 @@ static const struct cuse_lowlevel_ops steve_ops = {
        .poll = steve_poll,
 };
 
+static steve_state *steve_global_state;
+
+static void steve_handle_sigusr1(int, siginfo_t *, void *) {
+       steve_check_processes(steve_global_state);
+
+       printf("steve: currently %d tokens available out of %d\n",
+                       steve_global_state->tokens, steve_global_state->jobs);
+       for (auto it : steve_global_state->processes) {
+               printf("PID %ld holds %d tokens\n", it.first, 
it.second.tokens_held);
+       }
+}
+
 int main(int argc, char **argv)
 {
        struct fuse_args args = FUSE_ARGS_INIT(argc, argv);
@@ -314,6 +326,7 @@ int main(int argc, char **argv)
        const char *dev_info_argv[] = { dev_name };
        struct cuse_info ci = { 0 };
        steve_state state = { 0 };
+       struct sigaction sigact = { 0 };
        int ret;
 
        if (fuse_opt_parse(&args, &state, steve_opts, steve_process_arg)) {
@@ -329,6 +342,11 @@ int main(int argc, char **argv)
        if (state.jobs == 0)
                state.jobs = sysconf(_SC_NPROCESSORS_ONLN);
 
+       steve_global_state = &state;
+       sigact.sa_flags = SA_SIGINFO;
+       sigact.sa_sigaction = steve_handle_sigusr1;
+       sigaction(SIGUSR1, &sigact, NULL);
+
        ret = cuse_lowlevel_main(args.argc, args.argv, &ci, &steve_ops, &state);
        fuse_opt_free_args(&args);
        return ret;