Do not use signal when using lwIP

The lwIP library does not generate SIGPIPE and platforms supporting lwIP might not have a valid implementation of signal: avoid using signal in these circumstances. Signed-off-by: Denis Benato <[email protected]>
eclipse-paho · Jan 14, 2025 · 5bfdf43 · 5bfdf43
1 parent 443d508
commit 5bfdf43
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diff --git a/MQTTClient-C/src/linux/MQTTLinuxNetwork.c b/MQTTClient-C/src/linux/MQTTLinuxNetwork.c
@@ -66,7 +66,9 @@ static int linux_write(Network* n, unsigned char* buffer, int len, int timeout_m
 
 void NetworkInit(Network* n)
 {
+#if !defined(LWIP_SOCKET)
 	signal(SIGPIPE, SIG_IGN);
+#endif
 	n->my_socket = 0;
 	n->mqttread = linux_read;
 	n->mqttwrite = linux_write;

diff --git a/MQTTClient/src/linux/linux.cpp b/MQTTClient/src/linux/linux.cpp
@@ -39,7 +39,9 @@ class IPStack
 public:
   IPStack()
   {
+#if !defined(LWIP_SOCKET)
 		signal(SIGPIPE, SIG_IGN);
+#endif
   }
 
   int connect(const char* hostname, int port)