Alawn/shadowsocks-libev
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Code Releases Activity

Refine SIGCHLD handling

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This commit is contained in:
Max Lv
2017-01-09 17:56:56 +08:00
parent f67518a9d4
commit 94a341fe2c
4 changed files with 37 additions and 39 deletions
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src/local.c
+14 -18
View File
@@ -108,6 +108,13 @@ static int mode = TCP_ONLY;
static int ipv6first = 0;
static int fast_open = 0;
static struct ev_signal sigint_watcher;
static struct ev_signal sigterm_watcher;
static struct ev_signal sigchld_watcher;
#ifndef __MINGW32__
struct ev_signal sigusr1_watcher;
#endif
#ifdef HAVE_SETRLIMIT
#ifndef LIB_ONLY
static int nofile = 0;
@@ -1118,12 +1125,6 @@ create_remote(listen_ctx_t *listener,
return remote;
}
void
resolve_int_cb(int dummy)
{
keep_resolving = 0;
}
static void
signal_cb(EV_P_ ev_signal *w, int revents)
{
@@ -1136,8 +1137,14 @@ signal_cb(EV_P_ ev_signal *w, int revents)
#ifndef __MINGW32__
case SIGUSR1:
#endif
ev_signal_stop(EV_DEFAULT, &sigint_watcher);
ev_signal_stop(EV_DEFAULT, &sigterm_watcher);
ev_signal_stop(EV_DEFAULT, &sigchld_watcher);
#ifndef __MINGW32__
ev_signal_stop(EV_DEFAULT, &sigusr1_watcher);
#endif
keep_resolving = 0;
ev_unloop(EV_A_ EVUNLOOP_ALL);
resolve_int_cb(revents);
}
}
}
@@ -1647,9 +1654,6 @@ start_ss_local_server(profile_t profile)
signal(SIGABRT, SIG_IGN);
#endif
struct ev_signal sigint_watcher;
struct ev_signal sigterm_watcher;
struct ev_signal sigchld_watcher;
ev_signal_init(&sigint_watcher, signal_cb, SIGINT);
ev_signal_init(&sigterm_watcher, signal_cb, SIGTERM);
ev_signal_init(&sigchld_watcher, signal_cb, SIGCHLD);
@@ -1657,7 +1661,6 @@ start_ss_local_server(profile_t profile)
ev_signal_start(EV_DEFAULT, &sigterm_watcher);
ev_signal_start(EV_DEFAULT, &sigchld_watcher);
#ifndef __MINGW32__
struct ev_signal sigusr1_watcher;
ev_signal_init(&sigusr1_watcher, signal_cb, SIGUSR1);
ev_signal_start(EV_DEFAULT, &sigusr1_watcher);
#endif
@@ -1746,13 +1749,6 @@ start_ss_local_server(profile_t profile)
winsock_cleanup();
#endif
ev_signal_stop(EV_DEFAULT, &sigint_watcher);
ev_signal_stop(EV_DEFAULT, &sigterm_watcher);
ev_signal_stop(EV_DEFAULT, &sigchld_watcher);
#ifndef __MINGW32__
ev_signal_stop(EV_DEFAULT, &sigusr1_watcher);
#endif
// cannot reach here
return 0;
}
src/redir.c
+8 -7
View File
@@ -96,6 +96,10 @@ static int auth = 0;
static int nofile = 0;
#endif
static struct ev_signal sigint_watcher;
static struct ev_signal sigterm_watcher;
static struct ev_signal sigchld_watcher;
int
getdestaddr(int fd, struct sockaddr_storage *destaddr)
{
@@ -758,6 +762,10 @@ signal_cb(EV_P_ ev_signal *w, int revents)
LOGE("plugin service exit unexpectedly");
case SIGINT:
case SIGTERM:
ev_signal_stop(EV_DEFAULT, &sigint_watcher);
ev_signal_stop(EV_DEFAULT, &sigterm_watcher);
ev_signal_stop(EV_DEFAULT, &sigchld_watcher);
keep_resolving = 0;
ev_unloop(EV_A_ EVUNLOOP_ALL);
}
@@ -1025,9 +1033,6 @@ main(int argc, char **argv)
signal(SIGPIPE, SIG_IGN);
signal(SIGABRT, SIG_IGN);
struct ev_signal sigint_watcher;
struct ev_signal sigterm_watcher;
struct ev_signal sigchld_watcher;
ev_signal_init(&sigint_watcher, signal_cb, SIGINT);
ev_signal_init(&sigterm_watcher, signal_cb, SIGTERM);
ev_signal_init(&sigchld_watcher, signal_cb, SIGCHLD);
@@ -1107,9 +1112,5 @@ main(int argc, char **argv)
stop_plugin();
}
ev_signal_stop(EV_DEFAULT, &sigint_watcher);
ev_signal_stop(EV_DEFAULT, &sigterm_watcher);
ev_signal_stop(EV_DEFAULT, &sigchld_watcher);
return 0;
}
src/server.c
+7 -7
View File
@@ -126,6 +126,10 @@ uint64_t rx = 0;
ev_timer stat_update_watcher;
ev_timer block_list_watcher;
static struct ev_signal sigint_watcher;
static struct ev_signal sigterm_watcher;
static struct ev_signal sigchld_watcher;
static struct cork_dllist connections;
static void
@@ -1490,6 +1494,9 @@ signal_cb(EV_P_ ev_signal *w, int revents)
LOGE("plugin service exit unexpectedly");
case SIGINT:
case SIGTERM:
ev_signal_stop(EV_DEFAULT, &sigint_watcher);
ev_signal_stop(EV_DEFAULT, &sigterm_watcher);
ev_signal_stop(EV_DEFAULT, &sigchld_watcher);
ev_unloop(EV_A_ EVUNLOOP_ALL);
}
}
@@ -1833,9 +1840,6 @@ main(int argc, char **argv)
signal(SIGABRT, SIG_IGN);
#endif
struct ev_signal sigint_watcher;
struct ev_signal sigterm_watcher;
struct ev_signal sigchld_watcher;
ev_signal_init(&sigint_watcher, signal_cb, SIGINT);
ev_signal_init(&sigterm_watcher, signal_cb, SIGTERM);
ev_signal_init(&sigchld_watcher, signal_cb, SIGCHLD);
@@ -2003,9 +2007,5 @@ main(int argc, char **argv)
winsock_cleanup();
#endif
ev_signal_stop(EV_DEFAULT, &sigint_watcher);
ev_signal_stop(EV_DEFAULT, &sigterm_watcher);
ev_signal_stop(EV_DEFAULT, &sigchld_watcher);
return 0;
}
src/tunnel.c
+8 -7
View File
@@ -101,6 +101,10 @@ static int auth = 0;
static int nofile = 0;
#endif
static struct ev_signal sigint_watcher;
static struct ev_signal sigterm_watcher;
static struct ev_signal sigchld_watcher;
#ifndef __MINGW32__
static int
setnonblocking(int fd)
@@ -719,6 +723,10 @@ signal_cb(EV_P_ ev_signal *w, int revents)
LOGE("plugin service exit unexpectedly");
case SIGINT:
case SIGTERM:
ev_signal_stop(EV_DEFAULT, &sigint_watcher);
ev_signal_stop(EV_DEFAULT, &sigterm_watcher);
ev_signal_stop(EV_DEFAULT, &sigchld_watcher);
keep_resolving = 0;
ev_unloop(EV_A_ EVUNLOOP_ALL);
}
@@ -1025,9 +1033,6 @@ main(int argc, char **argv)
signal(SIGPIPE, SIG_IGN);
signal(SIGABRT, SIG_IGN);
struct ev_signal sigint_watcher;
struct ev_signal sigterm_watcher;
struct ev_signal sigchld_watcher;
ev_signal_init(&sigint_watcher, signal_cb, SIGINT);
ev_signal_init(&sigterm_watcher, signal_cb, SIGTERM);
ev_signal_init(&sigchld_watcher, signal_cb, SIGCHLD);
@@ -1114,10 +1119,6 @@ main(int argc, char **argv)
stop_plugin();
}
ev_signal_stop(EV_DEFAULT, &sigint_watcher);
ev_signal_stop(EV_DEFAULT, &sigterm_watcher);
ev_signal_stop(EV_DEFAULT, &sigchld_watcher);
#ifdef __MINGW32__
winsock_cleanup();
#endif