diff --git a/tools/perf/Makefile b/tools/perf/Makefile index d80a333247852b4886f541f80c0766764d1f95e4..a7d8745e0ab2a039490838a39df05729a3097937 100644 --- a/tools/perf/Makefile +++ b/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 diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index e9231659754d97ae25d0688c4144d19bffbb1bcd..73b5d7f9119482759be56761f17f01c21226e297 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -31,6 +31,38 @@ #include #include +#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 diff --git a/tools/perf/config/feature-tests.mak b/tools/perf/config/feature-tests.mak index 4add41bb0c7eeca264353ffa60603651c0051503..eaeb0fd6f395e2315f9d7f7e29b0156710524e10 100644 --- a/tools/perf/config/feature-tests.mak +++ b/tools/perf/config/feature-tests.mak @@ -203,4 +203,13 @@ int main(void) return audit_open(); } endef -endif \ No newline at end of file +endif + +define SOURCE_ON_EXIT +#include + +int main(void) +{ + return on_exit(NULL, NULL); +} +endef