#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
perf_evsel__name(pos));
rc = -err;
goto out;
+ } else if ((err == EOPNOTSUPP) && (attr->precise_ip)) {
+ ui__error("\'precise\' request may not be supported. "
+ "Try removing 'p' modifier\n");
+ rc = -err;
+ goto out;
}
printf("\n");
"or try again with a smaller value of -m/--mmap_pages.\n"
"(current value: %d)\n", opts->mmap_pages);
rc = -errno;
- } else if (!is_power_of_2(opts->mmap_pages)) {
+ } else if (!is_power_of_2(opts->mmap_pages) &&
+ (opts->mmap_pages != UINT_MAX)) {
pr_err("--mmap_pages/-m value must be a power of two.");
rc = -EINVAL;
} else {