| … | |
… | |
| 124 | * our syscalls return < 0, not == -1, on error. which is good |
124 | * our syscalls return < 0, not == -1, on error. which is good |
| 125 | * enough for linux aio. |
125 | * enough for linux aio. |
| 126 | * TODO: arm is also common nowadays, maybe even mips and x86 |
126 | * TODO: arm is also common nowadays, maybe even mips and x86 |
| 127 | * TODO: after implementing this, it suddenly looks like overkill, but its hard to remove... |
127 | * TODO: after implementing this, it suddenly looks like overkill, but its hard to remove... |
| 128 | */ |
128 | */ |
| 129 | #if __GNUC__ && __linux && ECB_AMD64 |
129 | #if __GNUC__ && __linux && ECB_AMD64 && !defined __OPTIMIZE_SIZE__ |
|
|
130 | /* the costly errno access probably kills this for size optimisation */ |
| 130 | |
131 | |
| 131 | #define ev_syscall(nr,narg,arg1,arg2,arg3,arg4,arg5) \ |
132 | #define ev_syscall(nr,narg,arg1,arg2,arg3,arg4,arg5) \ |
| 132 | ({ \ |
133 | ({ \ |
| 133 | long res; \ |
134 | long res; \ |
| 134 | register unsigned long r5 __asm__ ("r8" ); \ |
135 | register unsigned long r5 __asm__ ("r8" ); \ |
| … | |
… | |
| 424 | /* ignored */; |
425 | /* ignored */; |
| 425 | else |
426 | else |
| 426 | ev_syserr ("(libev) linuxaio io_getevents"); |
427 | ev_syserr ("(libev) linuxaio io_getevents"); |
| 427 | else if (res) |
428 | else if (res) |
| 428 | { |
429 | { |
| 429 | /* at least one event received, handle it and any remaining ones in the ring buffer */ |
430 | /* at least one event available, handle it and any remaining ones in the ring buffer */ |
| 430 | linuxaio_parse_events (EV_A_ ioev, res); |
431 | linuxaio_parse_events (EV_A_ ioev, res); |
| 431 | linuxaio_get_events_from_ring (EV_A); |
432 | linuxaio_get_events_from_ring (EV_A); |
| 432 | } |
433 | } |
| 433 | } |
434 | } |
| 434 | |
435 | |
| 435 | static int |
436 | inline_size |
|
|
437 | int |
| 436 | linuxaio_io_setup (EV_P) |
438 | linuxaio_io_setup (EV_P) |
| 437 | { |
439 | { |
| 438 | linuxaio_ctx = 0; |
440 | linuxaio_ctx = 0; |
| 439 | return evsys_io_setup (linuxaio_nr_events (EV_A), &linuxaio_ctx); |
441 | return evsys_io_setup (linuxaio_nr_events (EV_A), &linuxaio_ctx); |
| 440 | } |
442 | } |
