!55 Replace gettid() with syscall()

From: @honggangli22 
Reviewed-by: @wu-changsheng 
Signed-off-by: @wu-changsheng

0025-Replace-gettid-with-syscall-SYS_gettid.patch

@@ -0,0 +1,57 @@
+From 35300925c26ce9eba9f4f1c9a4181708da771392 Mon Sep 17 00:00:00 2001
+From: Honggang LI <honggangli@163.com>
+Date: Tue, 12 Jul 2022 10:15:36 +0800
+Subject: [PATCH] Replace gettid() with syscall(SYS_gettid)
+
+Remove gettid() to address a backport issue for gazelle library.
+
+Signed-off-by: Honggang LI <honggangli@163.com>
+---
+ src/include/arch/cc.h | 4 ++--
+ src/include/lwiplog.h | 3 +--
+ 2 files changed, 3 insertions(+), 4 deletions(-)
+
+diff --git a/src/include/arch/cc.h b/src/include/arch/cc.h
+index 222b0c9..aa18573 100644
+--- a/src/include/arch/cc.h
++++ b/src/include/arch/cc.h
+@@ -62,7 +62,7 @@ void alloc_memp_##name##_base(void) \
+     memp_pools[MEMP_##name] = &memp_ ## name; \
+     \
+     char mpname[MEMZONE_NAMESIZE] = {0}; \
+-    snprintf(mpname, MEMZONE_NAMESIZE, "%d_%s", gettid(), #name); \
++    snprintf(mpname, MEMZONE_NAMESIZE, "%d_%s", (int)syscall(SYS_gettid), #name); \
+     memp_memory_##name##_base = \
+         sys_hugepage_malloc(mpname, LWIP_MEM_ALIGN_BUFFER(__size)); \
+     memp_pools[MEMP_##name]->base = memp_memory_##name##_base; \
+@@ -73,7 +73,7 @@ PER_THREAD uint8_t *variable_name; \
+ void alloc_memory_##variable_name(void) \
+ { \
+     char mpname[MEMZONE_NAMESIZE] = {0}; \
+-    snprintf(mpname, MEMZONE_NAMESIZE, "%d_%s", gettid(), #variable_name); \
++    snprintf(mpname, MEMZONE_NAMESIZE, "%d_%s", (int)syscall(SYS_gettid), #variable_name); \
+     (variable_name) = \
+         sys_hugepage_malloc(mpname, LWIP_MEM_ALIGN_BUFFER(size)); \
+ }
+diff --git a/src/include/lwiplog.h b/src/include/lwiplog.h
+index 6fccac8..011ed21 100644
+--- a/src/include/lwiplog.h
++++ b/src/include/lwiplog.h
+@@ -35,13 +35,12 @@
+ 
+ #include <stdio.h>
+ #include <sys/syscall.h>
++#include <unistd.h>
+ 
+ #include <rte_log.h>
+ 
+ #include "lwipopts.h"
+ 
+-extern int gettid(void);
+-
+ #if USE_DPDK_LOG
+ 
+ #define LWIP_LOG_WARN   LWIP_DBG_LEVEL_WARNING
+-- 
+2.31.1
+

lwip.spec

@@ -4,7 +4,7 @@
 Summary: lwip is a small independent implementation of the TCP/IP protocol suite
 Name:    lwip
 Version: 2.1.3
-Release: 12
+Release: 13
 License: BSD
 URL:     http://savannah.nongnu.org/projects/lwip/
 Source0: http://download.savannah.nongnu.org/releases/lwip/%{name}-%{version}.tar.gz
@@ -36,6 +36,7 @@ Patch9020:  0021-refactor-event-if-ring-is-full-the-node-is-added-to-.patch
 Patch9021:  0022-notify-app-that-sock-state-changes-to-CLOSE_WAIT.patch
 Patch9022:  0023-refactor-event-and-checksum-offload-support.patch
 Patch9023:  0024-refactor-pkt-read-send-performance.patch
+Patch9024:  0025-Replace-gettid-with-syscall-SYS_gettid.patch
 
 BuildRequires: gcc-c++ dos2unix dpdk-devel
 
@@ -64,6 +65,9 @@ cd %{_builddir}/%{name}-%{version}/src
 %{_libdir}/liblwip.a
 
 %changelog
+* Tue Jul 12 2022 Honggang Li <honggangli@163.com> - 2.1.3-13
+- Replace gettid() with syscall()
+
 * Fri Jul 8 2022 xiusailong<xiusailong@huawei.com> - 2.1.3-12
 - sync two patches from 20.03-LTS-SP1