From c45ab69f9428e4d2fc1146301a4546bb2b42c9ae Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Sat, 27 Jul 2019 00:25:58 -0700
Subject: [PATCH] chdeck for gettid API during configure

glibc 2.30 added gettid syscall wrapper

Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
 configure.in | 2 +-
 src/util.h   | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/configure.in b/configure.in
index 000bb91..d79e6d0 100644
--- a/configure.in
+++ b/configure.in
@@ -256,7 +256,7 @@ SN_CHECK_DECLS(printf fprintf syslog puts fputs fputc fopen  \
            strcasecmp strncasecmp strerror perror socket sendto   \
            vsnprintf snprintf strtoul)
 
-AC_CHECK_FUNCS([sigaction strlcpy strlcat strerror vswprintf wprintf memrchr inet_ntop])
+AC_CHECK_FUNCS([sigaction strlcpy strlcat strerror vswprintf wprintf memrchr inet_ntop gettid])
 
 AC_CHECK_FUNC([snprintf],[have_snprintf="yes"],[have_snprintf="no"])
 AM_CONDITIONAL(BUILD_SNPRINTF, test "x$have_snprintf" != "xyes")
diff --git a/src/util.h b/src/util.h
index 6880906..c310b83 100644
--- a/src/util.h
+++ b/src/util.h
@@ -374,6 +374,7 @@ static inline int IsEmptyStr(const char *str)
     return 0;
 }
 
+#if !HAVE_GETTID
 static inline pid_t gettid(void)
 {
 #if defined(LINUX) && defined(SYS_gettid)
@@ -382,5 +383,6 @@ static inline pid_t gettid(void)
     return getpid();
 #endif
 }
+#endif
 
 #endif /*__UTIL_H__*/
-- 
2.22.0