No need to cast async_exec() syscall to void * anymore

[fio.git] / fio.h

diff --git a/fio.h b/fio.h
index 282ccf0d1f27935a437061246013e0ea3ee23b40..aeb45bf73611bd718ae0cfd89294b04c600e9fb6 100644 (file)
--- a/fio.h
+++ b/fio.h
@@ -425,6 +425,8 @@ struct thread_data {
 
 #define __td_verror(td, err, msg)                                      \
        do {                                                            \
+               if ((td)->error)                                        \
+                       break;                                          \
                int e = (err);                                          \
                (td)->error = e;                                        \
                snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, error=%s", __FILE__, __LINE__, (msg));        \
@@ -515,9 +517,9 @@ typedef int (endio_handler)(struct io_u *);
 /*
  * Log exports
  */
-extern int read_iolog_get(struct thread_data *, struct io_u *);
+extern int __must_check read_iolog_get(struct thread_data *, struct io_u *);
 extern void write_iolog_put(struct thread_data *, struct io_u *);
-extern int init_iolog(struct thread_data *td);
+extern int __must_check init_iolog(struct thread_data *td);
 extern void log_io_piece(struct thread_data *, struct io_u *);
 extern void prune_io_piece_log(struct thread_data *);
 extern void write_iolog_close(struct thread_data *);
@@ -559,16 +561,16 @@ extern void fio_gettime(struct timeval *, void *);
 /*
  * Init functions
  */
-extern int parse_options(int, char **);
-extern int init_random_state(struct thread_data *);
+extern int __must_check parse_options(int, char **);
+extern int __must_check init_random_state(struct thread_data *);
 
 /*
  * File setup/shutdown
  */
 extern void close_files(struct thread_data *);
-extern int setup_files(struct thread_data *);
-extern int open_files(struct thread_data *);
-extern int file_invalidate_cache(struct thread_data *, struct fio_file *);
+extern int __must_check setup_files(struct thread_data *);
+extern int __must_check open_files(struct thread_data *);
+extern int __must_check file_invalidate_cache(struct thread_data *, struct fio_file *);
 
 /*
  * ETA/status stuff
@@ -597,15 +599,15 @@ enum {
  * Verify helpers
  */
 extern void populate_verify_io_u(struct thread_data *, struct io_u *);
-extern int get_next_verify(struct thread_data *td, struct io_u *);
-extern int verify_io_u(struct io_u *);
+extern int __must_check get_next_verify(struct thread_data *td, struct io_u *);
+extern int __must_check verify_io_u(struct io_u *);
 
 /*
  * Memory helpers
  */
-extern int fio_pin_memory(void);
+extern int __must_check fio_pin_memory(void);
 extern void fio_unpin_memory(void);
-extern int allocate_io_mem(struct thread_data *);
+extern int __must_check allocate_io_mem(struct thread_data *);
 extern void free_io_mem(struct thread_data *);
 
 /*
@@ -616,19 +618,19 @@ extern struct io_u *__get_io_u(struct thread_data *);
 extern struct io_u *get_io_u(struct thread_data *);
 extern void put_io_u(struct thread_data *, struct io_u *);
 extern void requeue_io_u(struct thread_data *, struct io_u **);
-extern long io_u_sync_complete(struct thread_data *, struct io_u *, endio_handler *);
-extern long io_u_queued_complete(struct thread_data *, int, endio_handler *);
+extern long __must_check io_u_sync_complete(struct thread_data *, struct io_u *, endio_handler *);
+extern long __must_check io_u_queued_complete(struct thread_data *, int, endio_handler *);
 extern void io_u_queued(struct thread_data *, struct io_u *);
 
 /*
  * io engine entry points
  */
-extern int td_io_init(struct thread_data *);
-extern int td_io_prep(struct thread_data *, struct io_u *);
-extern int td_io_queue(struct thread_data *, struct io_u *);
-extern int td_io_sync(struct thread_data *, struct fio_file *);
-extern int td_io_getevents(struct thread_data *, int, int, struct timespec *);
-extern int td_io_commit(struct thread_data *);
+extern int __must_check td_io_init(struct thread_data *);
+extern int __must_check td_io_prep(struct thread_data *, struct io_u *);
+extern int __must_check td_io_queue(struct thread_data *, struct io_u *);
+extern int __must_check td_io_sync(struct thread_data *, struct fio_file *);
+extern int __must_check td_io_getevents(struct thread_data *, int, int, struct timespec *);
+extern int __must_check td_io_commit(struct thread_data *);
 
 /*
  * This is a pretty crappy semaphore implementation, but with the use that fio
@@ -685,7 +687,7 @@ struct ioengine_ops {
 #define FIO_IOOPS_VERSION      5
 
 extern struct ioengine_ops *load_ioengine(struct thread_data *, const char *);
-extern int register_ioengine(struct ioengine_ops *);
+extern void register_ioengine(struct ioengine_ops *);
 extern void unregister_ioengine(struct ioengine_ops *);
 extern void close_ioengine(struct thread_data *);