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Close client fd using thread local storage

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topjohnwu 2017-05-08 11:50:23 +08:00
parent 3904ca38c0
commit 371db886b4
1 changed files with 6 additions and 0 deletions
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6
su_client.c
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@ -26,6 +26,7 @@
#define ATTY_ERR 4 #define ATTY_ERR 4
struct ucred su_credentials; struct ucred su_credentials;
static __thread int client_fd;
static void sighandler(int sig) { static void sighandler(int sig) {
restore_stdin(); restore_stdin();
@ -52,6 +53,8 @@ static void sighandler(int sig) {
static void sigpipe_handler(int sig) { static void sigpipe_handler(int sig) {
LOGD("su: Client killed unexpectedly\n"); LOGD("su: Client killed unexpectedly\n");
close(client_fd);
pthread_exit(NULL);
} }
void su_daemon_receiver(int client) { void su_daemon_receiver(int client) {
@ -69,6 +72,9 @@ void su_daemon_receiver(int client) {
return; return;
} else if (child != 0) { } else if (child != 0) {
// For sighandler to close it
client_fd = client;
// Wait result // Wait result
LOGD("su: wait_result waiting for %d\n", child); LOGD("su: wait_result waiting for %d\n", child);
int status, code; int status, code;