-/* Copyright (c) 2015-2017. The SimGrid Team.
+/* Copyright (c) 2015-2021. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
-#include <cerrno>
-#include <unistd.h>
+#include "src/mc/remote/Channel.hpp"
+#include <xbt/log.h>
+#include <cerrno>
+#include <cstring>
#include <sys/socket.h>
#include <sys/types.h>
-
-#include <xbt/log.h>
-
-#include "src/mc/remote/Channel.hpp"
+#include <unistd.h>
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_Channel, mc, "MC interprocess communication");
/** @brief Send a message; returns 0 on success or errno on failure */
int Channel::send(const void* message, size_t size) const
{
- XBT_DEBUG("Send %s", MC_message_type_name(*(e_mc_message_type*)message));
- while (::send(this->socket_, message, size, 0) == -1)
- if (errno == EINTR)
- continue;
- else
+ XBT_DEBUG("Send %s", to_c_str(*(MessageType*)message));
+ while (::send(this->socket_, message, size, 0) == -1) {
+ if (errno != EINTR) {
+ XBT_ERROR("Channel::send failure: %s", strerror(errno));
return errno;
+ }
+ }
return 0;
}
ssize_t Channel::receive(void* message, size_t size, bool block) const
{
- int res = recv(this->socket_, message, size, block ? 0 : MSG_DONTWAIT);
+ ssize_t res = recv(this->socket_, message, size, block ? 0 : MSG_DONTWAIT);
if (res != -1)
- XBT_DEBUG("Receive %s", MC_message_type_name(*(e_mc_message_type*)message));
+ XBT_DEBUG("Receive %s", to_c_str(*(MessageType*)message));
+ else
+ XBT_ERROR("Channel::receive failure: %s", strerror(errno));
return res;
}
}