Update README.md

Author: ssahani

README.md

@@ -1,6 +1,7 @@
 systemd-netlogd
 ===================
 
+[![Build Status](https://travis-ci.org/systemd/systemd-netlogd.svg?branch=master)](https://travis-ci.org/systemd/systemd-netlogd)
 [![Total alerts](https://img.shields.io/lgtm/alerts/g/systemd/systemd-netlogd.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/systemd/systemd-netlogd/alerts/)
 
 Forwards messages from the journal to other hosts over the network using

meson.build

@@ -84,7 +84,8 @@ conf.set('SIZEOF_TIME_T', cc.sizeof('time_t', prefix : '#include <sys/time.h>'))
 conf.set('SIZEOF_RLIM_T', cc.sizeof('rlim_t', prefix : '#include <sys/resource.h>'))
 
 foreach ident : [
-        ['gettid',            '''#include <sys/types.h>'''],
+        ['gettid',            '''#include <sys/types.h>
+                                 #include <unistd.h>'''],
 ]
         have = cc.has_function(ident[0], prefix : ident[1])
         conf.set10('HAVE_' + ident[0].to_upper(), have)

src/share/process-util.h

@@ -8,12 +8,21 @@
 #include <stddef.h>
 #include <stdio.h>
 #include <string.h>
+#include <sys/syscall.h>
 #include <sys/types.h>
+#include <unistd.h>
 
 #include "formats-util.h"
 #include "macro.h"
 
-#define gettid() syscall(SYS_gettid)
+
+#if !HAVE_GETTID
+static inline pid_t missing_gettid(void) {
+        return (pid_t) syscall(__NR_gettid);
+}
+
+#  define gettid missing_gettid
+#endif
 
 #define procfs_file_alloca(pid, field)                                  \
         ({                                                              \