[PATCH] selftests/exec: Fix build on older distros.

[Vinson Lee]

From: Vinson Lee <vlee@xxxxxxxxxxx>

This patch fixes this build error on CentOS 5.

execveat.c: In function âcheck_execveat_pathmaxâ:
execveat.c:185: error: âAT_EMPTY_PATHâ undeclared (first use in this function)
execveat.c:185: error: (Each undeclared identifier is reported only once
execveat.c:185: error: for each function it appears in.)
execveat.c: In function ârun_testsâ:
execveat.c:221: error: âO_PATHâ undeclared (first use in this function)
execveat.c:222: error: âO_CLOEXECâ undeclared (first use in this function)
execveat.c:258: error: âAT_EMPTY_PATHâ undeclared (first use in this function)

Cc: stable@xxxxxxxxxxxxxxx # 3.19+
Signed-off-by: Vinson Lee <vlee@xxxxxxxxxxx>
---
 tools/testing/selftests/exec/execveat.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/tools/testing/selftests/exec/execveat.c b/tools/testing/selftests/exec/execveat.c
index 8d5d1d2..170148d 100644
--- a/tools/testing/selftests/exec/execveat.c
+++ b/tools/testing/selftests/exec/execveat.c
@@ -20,6 +20,16 @@
 #include <string.h>
 #include <unistd.h>
 
+#ifndef AT_EMPTY_PATH
+# define AT_EMPTY_PATH 0x1000
+#endif
+#ifndef O_PATH
+# define O_PATH 010000000
+#endif
+#ifndef O_CLOEXEC
+# define O_CLOEXEC 02000000
+#endif
+
 static char longpath[2 * PATH_MAX] = "";
 static char *envp[] = { "IN_TEST=yes", NULL, NULL };
 static char *argv[] = { "execveat", "99", NULL };
-- 
1.8.2.1

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