net: sockets: fix fcntl.h usage

If we are using `CONFIG_ARCH_POSIX`, then include
`<fcntl.h>`. Otherwise, include `<zephyr/posix/fcntl.h>`
since there are no requirements to use `CONFIG_POSIX_API`
internally.

Signed-off-by: Chris Friedt <[email protected]>

Author: cfriedt

subsys/net/lib/mqtt_sn/mqtt_sn_transport_udp.c

@@ -15,7 +15,11 @@
 #include <zephyr/net/net_ip.h>
 #include <zephyr/net/socket.h>
 
+#ifdef CONFIG_ARCH_POSIX
 #include <fcntl.h>
+#else
+#include <zephyr/posix/fcntl.h>
+#endif
 
 #include <zephyr/logging/log.h>
 LOG_MODULE_DECLARE(net_mqtt_sn, CONFIG_MQTT_SN_LOG_LEVEL);

subsys/net/lib/sockets/sockets_can.c

@@ -6,7 +6,11 @@
  */
 
 #include <stdbool.h>
+#ifdef CONFIG_ARCH_POSIX
 #include <fcntl.h>
+#else
+#include <zephyr/posix/fcntl.h>
+#endif
 
 #include <zephyr/logging/log.h>
 LOG_MODULE_REGISTER(net_sock_can, CONFIG_NET_SOCKETS_LOG_LEVEL);

subsys/net/lib/sockets/sockets_net_mgmt.c

@@ -5,7 +5,11 @@
  */
 
 #include <stdbool.h>
+#ifdef CONFIG_ARCH_POSIX
 #include <fcntl.h>
+#else
+#include <zephyr/posix/fcntl.h>
+#endif
 
 #include <zephyr/logging/log.h>
 LOG_MODULE_REGISTER(net_sock_mgmt, CONFIG_NET_SOCKETS_LOG_LEVEL);

subsys/net/lib/sockets/sockets_packet.c

@@ -6,7 +6,11 @@
  */
 
 #include <stdbool.h>
+#ifdef CONFIG_ARCH_POSIX
 #include <fcntl.h>
+#else
+#include <zephyr/posix/fcntl.h>
+#endif
 
 #include <zephyr/logging/log.h>
 LOG_MODULE_REGISTER(net_sock_packet, CONFIG_NET_SOCKETS_LOG_LEVEL);

subsys/net/lib/sockets/sockets_tls.c

@@ -6,7 +6,11 @@
  */
 
 #include <stdbool.h>
+#ifdef CONFIG_ARCH_POSIX
+#include <fcntl.h>
+#else
 #include <zephyr/posix/fcntl.h>
+#endif
 
 #include <zephyr/logging/log.h>
 LOG_MODULE_REGISTER(net_sock_tls, CONFIG_NET_SOCKETS_LOG_LEVEL);