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-rw-r--r--src/client.c23
-rw-r--r--src/main.c9
2 files changed, 31 insertions, 1 deletions
diff --git a/src/client.c b/src/client.c
index 268c8b9..4ec4025 100644
--- a/src/client.c
+++ b/src/client.c
@@ -33,6 +33,7 @@
#include <sys/un.h>
#include <arpa/inet.h>
#include <pthread.h>
+#include <fcntl.h>
#include <plist/plist.h>
@@ -100,12 +101,23 @@ int client_read(struct mux_client *client, void *buffer, uint32_t len)
*/
int client_write(struct mux_client *client, void *buffer, uint32_t len)
{
+ int sret = -1;
+
usbmuxd_log(LL_SPEW, "client_write fd %d buf %p len %d", client->fd, buffer, len);
if(client->state != CLIENT_CONNECTED) {
usbmuxd_log(LL_ERROR, "Attempted to write to client %d not in CONNECTED state", client->fd);
return -1;
}
- return send(client->fd, buffer, len, 0);
+
+ sret = send(client->fd, buffer, len, 0);
+ if (sret < 0) {
+ if ((errno == EAGAIN) || (errno == EWOULDBLOCK)) {
+ usbmuxd_log(LL_ERROR, "ERROR: client_write: fd %d not ready for writing", client->fd);
+ } else {
+ usbmuxd_log(LL_ERROR, "ERROR: client_write: sending to fd %d failed: %s", client->fd, strerror(errno));
+ }
+ }
+ return sret;
}
/**
@@ -150,6 +162,15 @@ int client_accept(int listenfd)
return cfd;
}
+ int flags = fcntl(cfd, F_GETFL, 0);
+ if (flags < 0) {
+ usbmuxd_log(LL_ERROR, "ERROR: Could not get socket flags!");
+ } else {
+ if (fcntl(cfd, F_SETFL, flags | O_NONBLOCK) < 0) {
+ usbmuxd_log(LL_ERROR, "ERROR: Could not set socket to non-blocking mode");
+ }
+ }
+
struct mux_client *client;
client = malloc(sizeof(struct mux_client));
memset(client, 0, sizeof(struct mux_client));
diff --git a/src/main.c b/src/main.c
index b1f4eeb..2e4439c 100644
--- a/src/main.c
+++ b/src/main.c
@@ -82,6 +82,15 @@ static int create_socket(void) {
return -1;
}
+ int flags = fcntl(listenfd, F_GETFL, 0);
+ if (flags < 0) {
+ usbmuxd_log(LL_FATAL, "ERROR: Could not get flags for socket");
+ } else {
+ if (fcntl(listenfd, F_SETFL, flags | O_NONBLOCK) < 0) {
+ usbmuxd_log(LL_FATAL, "ERROR: Could not set socket to non-blocking");
+ }
+ }
+
bzero(&bind_addr, sizeof(bind_addr));
bind_addr.sun_family = AF_UNIX;
strcpy(bind_addr.sun_path, socket_path);