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From 91c7362834ccd88d1432b3e6c5c51748b72b10ad Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Sat, 27 Jul 2019 07:21:16 -0700
Subject: [PATCH] Add configure time check for gettid API
glibc 2.30 has added syscalls wrapper for gettid
it should now be checked during configure if C library provides
this API then do not define local function
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
configure.ac | 4 ++++
src/base/logtrace.cc | 3 +++
src/osaf/config.h.in | 3 +++
3 files changed, 10 insertions(+)
diff --git a/configure.ac b/configure.ac
index 22ab936..90f3da4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -480,6 +480,10 @@ fi
AC_SUBST([localstatedir])
+#############################################
+# Checks for functions.
+#############################################
+AC_CHECK_FUNCS([ gettid ])
#############################################
# Checks for programs.
diff --git a/src/base/logtrace.cc b/src/base/logtrace.cc
index 8908c1f..fe87e8d 100644
--- a/src/base/logtrace.cc
+++ b/src/base/logtrace.cc
@@ -31,6 +31,7 @@
#include "base/logtrace_client.h"
#include "base/logtrace_buffer.h"
#include "base/ncsgl_defs.h"
+#include "osaf/config.h"
namespace global {
@@ -58,7 +59,9 @@ std::once_flag init_flag;
thread_local LogTraceBuffer gl_thread_buffer{gl_local_thread_trace,
global::thread_trace_buffer_size};
+#ifndef HAVE_GETTID
static pid_t gettid() { return syscall(SYS_gettid); }
+#endif
/**
* USR2 signal handler to enable/disable trace (toggle)
diff --git a/src/osaf/config.h.in b/src/osaf/config.h.in
index d1f6d1a..0a3f27d 100644
--- a/src/osaf/config.h.in
+++ b/src/osaf/config.h.in
@@ -18,6 +18,9 @@
/* Define if experimental code is enabled */
#undef HAVE_EXPERIMENTAL
+/* Define to 1 if you have the `gettid' function. */
+#undef HAVE_GETTID
+
/* SAHPI_INTERFACE_VERSION == A01 */
#undef HAVE_HPI_A01
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