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nghttpx: Remove last_worker_pid from Config 

The last_worker_pid is known by inspecting the last entry of
worker_processes.
This commit is contained in:
Tatsuhiro Tsujikawa 2016-07-31 16:20:00 +09:00
parent 494775a25d
commit b9b648e0ed
2 changed files with 13 additions and 9 deletions
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19
src/shrpx.cc
View File

@ -262,6 +262,18 @@ void worker_process_kill(int signum) {
}
} // namespace
namespace {
// Returns the last PID of worker process. Returns -1 if there is no
// worker process at the moment.
int worker_process_last_pid() {
if (worker_processes.empty()) {
return -1;
}
return worker_processes.back()->worker_pid;
}
} // namespace
namespace {
int chown_to_running_user(const char *path) {
return chown(path, get_config()->uid, get_config()->gid);
@ -528,7 +540,7 @@ void worker_process_child_cb(struct ev_loop *loop, ev_child *w, int revents) {
worker_process_remove(wp);
if (get_config()->last_worker_pid == pid) {
if (worker_process_last_pid() == pid) {
ev_break(loop);
}
}
@ -1195,8 +1207,6 @@ int event_loop() {
worker_process_add(make_unique<WorkerProcess>(loop, pid, ipc_fd));
mod_config()->last_worker_pid = pid;
// Write PID file when we are ready to accept connection from peer.
// This makes easier to write restart script for nghttpx. Because
// when we know that PID file is recreated, it means we can send
@ -1246,7 +1256,6 @@ void fill_default_config(Config *config) {
config->num_worker = 1;
config->conf_path = "/etc/nghttpx/nghttpx.conf";
config->pid = getpid();
config->last_worker_pid = -1;
if (ev_supported_backends() & ~ev_recommended_backends() & EVBACKEND_KQUEUE) {
config->ev_loop_flags = ev_recommended_backends() | EVBACKEND_KQUEUE;
@ -2539,8 +2548,6 @@ void reload_config(WorkerProcess *wp) {
worker_process_add(make_unique<WorkerProcess>(loop, pid, ipc_fd));
new_config->last_worker_pid = pid;
auto old_config = replace_config(new_config.release());
assert(cur_config == old_config);

3
src/shrpx_config.h
View File

@ -727,9 +727,6 @@ struct Config {
uid_t uid;
gid_t gid;
pid_t pid;
// With reloading feature, we may have multiple worker PIDs at the
// given moment. This field tracks the last worker PID.
pid_t last_worker_pid;
bool verbose;
bool daemon;
bool http2_proxy;