---

yaml
---
r: 338872
b: refs/heads/master
c: 78da39f
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 355afe816312faf20d81fdcade29e0361d72a7b4
+refs/heads/master: 78da39faf7c903bb6e3c20a726fde1bf98d10af8

trunk/tools/perf/Makefile

@@ -753,6 +753,12 @@ ifndef NO_STRLCPY
 	endif
 endif
 
+ifndef NO_ON_EXIT
+	ifeq ($(call try-cc,$(SOURCE_ON_EXIT),),y)
+		BASIC_CFLAGS += -DHAVE_ON_EXIT
+	endif
+endif
+
 ifndef NO_BACKTRACE
        ifeq ($(call try-cc,$(SOURCE_BACKTRACE),),y)
                BASIC_CFLAGS += -DBACKTRACE_SUPPORT

trunk/tools/perf/builtin-record.c

@@ -31,6 +31,38 @@
 #include <sched.h>
 #include <sys/mman.h>
 
+#ifndef HAVE_ON_EXIT
+#ifndef ATEXIT_MAX
+#define ATEXIT_MAX 32
+#endif
+static int __on_exit_count = 0;
+typedef void (*on_exit_func_t) (int, void *);
+static on_exit_func_t __on_exit_funcs[ATEXIT_MAX];
+static void *__on_exit_args[ATEXIT_MAX];
+static int __exitcode = 0;
+static void __handle_on_exit_funcs(void);
+static int on_exit(on_exit_func_t function, void *arg);
+#define exit(x) (exit)(__exitcode = (x))
+
+static int on_exit(on_exit_func_t function, void *arg)
+{
+	if (__on_exit_count == ATEXIT_MAX)
+		return -ENOMEM;
+	else if (__on_exit_count == 0)
+		atexit(__handle_on_exit_funcs);
+	__on_exit_funcs[__on_exit_count] = function;
+	__on_exit_args[__on_exit_count++] = arg;
+	return 0;
+}
+
+static void __handle_on_exit_funcs(void)
+{
+	int i;
+	for (i = 0; i < __on_exit_count; i++)
+		__on_exit_funcs[i] (__exitcode, __on_exit_args[i]);
+}
+#endif
+
 enum write_mode_t {
 	WRITE_FORCE,
 	WRITE_APPEND

trunk/tools/perf/config/feature-tests.mak

@@ -203,4 +203,13 @@ int main(void)
 	return audit_open();
 }
 endef
-endif
+endif
+
+define SOURCE_ON_EXIT
+#include <stdio.h>
+
+int main(void)
+{
+	return on_exit(NULL, NULL);
+}
+endef