diff mbox series

libtracefs: Define gettid() when not defined

Message ID 20210825194543.34de6c3f@rorschach.local.home (mailing list archive)
State Superseded
Headers show
Series libtracefs: Define gettid() when not defined | expand

Commit Message

Steven Rostedt Aug. 25, 2021, 11:45 p.m. UTC 
From: Steven Rostedt <rostedt@rorschach.local.home>

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 <rostedt@rorschach.local.home>
---
 src/tracefs-hist.c | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

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;