X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Funix.cpp;h=0548aaccbab6fccce6f98093cf7c98cceca4ebf7;hb=7d1f4920efe33a4d025b9ba632ffbe73557d9636;hp=504970ea8ace30b19457aef27801bdbf91390b60;hpb=a6bc4ca9d659caf016ef932fcd944029737ac57c;p=lttng-tools.git

diff --git a/src/common/unix.cpp b/src/common/unix.cpp
index 504970ea8..0548aaccb 100644
--- a/src/common/unix.cpp
+++ b/src/common/unix.cpp
@@ -1,8 +1,8 @@
 /*
- * Copyright (C) 2011 David Goulet <david.goulet@polymtl.ca>
+ * Copyright (C) 2011 EfficiOS Inc.
  * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  *
- * SPDX-License-Identifier: GPL-2.0-only
+ * SPDX-License-Identifier: LGPL-2.1-only
  *
  */
 
@@ -15,12 +15,12 @@
 #include <sys/types.h>
 #include <unistd.h>
 
-#include <common/common.h>
-#include <common/compat/errno.h>
-#include <common/sessiond-comm/sessiond-comm.h>
-#include <common/fd-handle.h>
+#include <common/common.hpp>
+#include <common/compat/errno.hpp>
+#include <common/sessiond-comm/sessiond-comm.hpp>
+#include <common/fd-handle.hpp>
 
-#include "unix.h"
+#include "unix.hpp"
 
 /*
  * Connect to unix socket using the path name.
@@ -239,8 +239,11 @@ retry:
 			/*
 			 * We consider EPIPE and EAGAIN/EWOULDBLOCK as expected.
 			 */
+			DIAGNOSTIC_PUSH
+			DIAGNOSTIC_IGNORE_LOGICAL_OP
 			if (errno == EAGAIN || errno == EWOULDBLOCK ||
 					errno == EPIPE) {
+			DIAGNOSTIC_POP
 				/*
 				 * Nothing was recv.
 				 */
@@ -343,8 +346,11 @@ retry:
 			/*
 			 * We consider EPIPE and EAGAIN/EWOULDBLOCK as expected.
 			 */
+			DIAGNOSTIC_PUSH
+			DIAGNOSTIC_IGNORE_LOGICAL_OP
 			if (errno == EAGAIN || errno == EWOULDBLOCK ||
 					errno == EPIPE) {
+			DIAGNOSTIC_POP
 				/*
 				 * This can happen in non blocking mode.
 				 * Nothing was sent.
@@ -373,7 +379,16 @@ int lttcomm_close_unix_sock(int sock)
 	/* Shutdown receptions and transmissions */
 	ret = shutdown(sock, SHUT_RDWR);
 	if (ret < 0) {
-		PERROR("shutdown");
+		/*
+		 * The socket is already disconnected, don't error out.
+		 * This doesn't happen on Linux, but it does on FreeBSD, see:
+		 * https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=227259
+		 */
+		if (errno == ENOTCONN) {
+			ret = 0;
+		} else {
+			PERROR("shutdown");
+		}
 	}
 
 	closeret = close(sock);
@@ -569,7 +584,10 @@ retry:
 			/*
 			 * We consider EPIPE and EAGAIN/EWOULDBLOCK as expected.
 			 */
+			DIAGNOSTIC_PUSH
+			DIAGNOSTIC_IGNORE_LOGICAL_OP
 			if (errno == EAGAIN || errno == EWOULDBLOCK) {
+			DIAGNOSTIC_POP
 				/*
 				 * This can happen in non blocking mode.
 				 * Nothing was sent.
@@ -883,7 +901,10 @@ retry:
 			/*
 			 * We consider EPIPE and EAGAIN/EWOULDBLOCK as expected.
 			 */
+			DIAGNOSTIC_PUSH
+			DIAGNOSTIC_IGNORE_LOGICAL_OP
 			if (errno == EAGAIN || errno == EWOULDBLOCK) {
+			DIAGNOSTIC_POP
 				/*
 				 * This can happen in non blocking mode.
 				 * Nothing was recv.
@@ -1138,7 +1159,7 @@ int lttcomm_setsockopt_creds_unix_sock(int sock)
 	return ret;
 }
 #elif (defined(__FreeBSD__) || defined(__sun__) || defined(__APPLE__))
-int lttcomm_setsockopt_creds_unix_sock(int sock)
+int lttcomm_setsockopt_creds_unix_sock(int sock __attribute__((unused)))
 {
 	return 0;
 }