* [PATCH v2] libtracefs: Define gettid() when not defined
@ 2021-08-25 23:53 Steven Rostedt
0 siblings, 0 replies; only message in thread
From: Steven Rostedt @ 2021-08-25 23:53 UTC (permalink / raw)
To: Linux Trace Devel
From: "Steven Rostedt (VMware)" <rostedt@goodmis.org>
tracefs-hist.c uses the gettid() system call, but older glibcs do not
define it. Define the system call when it is not already defined.
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
---
Changes since v1:
Using my personal laptop, I checked in under the wrong author/email.
Fixed that.
src/tracefs-hist.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/src/tracefs-hist.c b/src/tracefs-hist.c
index 003715f..c0d3049 100644
--- a/src/tracefs-hist.c
+++ b/src/tracefs-hist.c
@@ -24,6 +24,11 @@
#define ASCENDING ".ascending"
#define DESCENDING ".descending"
+#ifndef gettid
+# include <sys/syscall.h>
+# define gettid() syscall(__NR_gettid)
+#endif
+
struct tracefs_hist {
struct tep_handle *tep;
struct tep_event *event;
--
2.30.2
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