| … | |
… | |
| 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" ); \ |
| … | |
… | |
| 569 | void |
570 | void |
| 570 | linuxaio_destroy (EV_P) |
571 | linuxaio_destroy (EV_P) |
| 571 | { |
572 | { |
| 572 | epoll_destroy (EV_A); |
573 | epoll_destroy (EV_A); |
| 573 | linuxaio_free_iocbp (EV_A); |
574 | linuxaio_free_iocbp (EV_A); |
| 574 | evsys_io_destroy (linuxaio_ctx); |
575 | evsys_io_destroy (linuxaio_ctx); /* fails in child, aio context is destroyed */ |
| 575 | } |
576 | } |
| 576 | |
577 | |
| 577 | inline_size |
578 | inline_size |
| 578 | void |
579 | void |
| 579 | linuxaio_fork (EV_P) |
580 | linuxaio_fork (EV_P) |
| … | |
… | |
| 585 | linuxaio_iteration = 0; /* we start over in the child */ |
586 | linuxaio_iteration = 0; /* we start over in the child */ |
| 586 | |
587 | |
| 587 | while (linuxaio_io_setup (EV_A) < 0) |
588 | while (linuxaio_io_setup (EV_A) < 0) |
| 588 | ev_syserr ("(libev) linuxaio io_setup"); |
589 | ev_syserr ("(libev) linuxaio io_setup"); |
| 589 | |
590 | |
|
|
591 | /* forking epoll should also effectively unregister all fds from the backend */ |
| 590 | epoll_fork (EV_A); |
592 | epoll_fork (EV_A); |
| 591 | |
593 | |
| 592 | ev_io_stop (EV_A_ &linuxaio_epoll_w); |
594 | ev_io_stop (EV_A_ &linuxaio_epoll_w); |
| 593 | ev_io_set (EV_A_ &linuxaio_epoll_w, backend_fd, EV_READ); |
595 | ev_io_set (EV_A_ &linuxaio_epoll_w, backend_fd, EV_READ); |
| 594 | ev_io_start (EV_A_ &linuxaio_epoll_w); |
596 | ev_io_start (EV_A_ &linuxaio_epoll_w); |
