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transfused: hook debug into HUP-toggled run-time debug system

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This commit is contained in:
David Sheets 2016-02-11 12:09:30 +00:00
parent 2fec071a41
commit fee789baf1
1 changed files with 6 additions and 10 deletions
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16
alpine/packages/transfused/transfused.c
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@ -17,8 +17,6 @@
int debug = 0;
int save_trace;
typedef struct {
char * socket9p_root;
} parameters;
@ -116,7 +114,7 @@ void copy(copy_thread_state * copy_state) {
read_count = read(from, buf, COPY_BUFSZ);
if (read_count == -1) die(1, "", "copy %s: error reading: ", descr);
if (save_trace) {
if (debug) {
int trace_fd;
char * trace_path;
@ -343,14 +341,12 @@ void * handle_connection_thread(void * connection) {
return handle_connection((connection_state *) connection);
}
void toggle_save_trace(int sig) {
save_trace = !save_trace;
void toggle_debug(int sig) {
debug = !debug;
}
void setup_save_trace() {
save_trace = 0;
if (SIG_ERR == signal(SIGHUP, toggle_save_trace))
void setup_debug() {
if (SIG_ERR == signal(SIGHUP, toggle_debug))
die(1, "Couldn't set SIGHUP behavior", "");
if (siginterrupt(SIGHUP, 1))
@ -377,7 +373,7 @@ int main(int argc, char * argv[]) {
if (asprintf(&events_path, "%s/events", params.socket9p_root) == -1)
die(1, "", "Couldn't allocate events path: ");
setup_save_trace();
setup_debug();
events = open(events_path, O_RDONLY | O_CLOEXEC);
if (events != -1) {