diff options
Diffstat (limited to 'sysdeps/pthread/lio_listio.c')
| -rw-r--r-- | sysdeps/pthread/lio_listio.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/sysdeps/pthread/lio_listio.c b/sysdeps/pthread/lio_listio.c index d6ad5a2..39187f3 100644 --- a/sysdeps/pthread/lio_listio.c +++ b/sysdeps/pthread/lio_listio.c @@ -122,9 +122,11 @@ lio_listio_internal (int mode, struct aiocb *const list[], int nent, } else if (LIO_MODE (mode) == LIO_WAIT) { +#ifndef DONT_NEED_AIO_MISC_COND pthread_cond_t cond = PTHREAD_COND_INITIALIZER; - struct waitlist waitlist[nent]; int oldstate; +#endif + struct waitlist waitlist[nent]; total = 0; for (cnt = 0; cnt < nent; ++cnt) @@ -133,7 +135,9 @@ lio_listio_internal (int mode, struct aiocb *const list[], int nent, if (requests[cnt] != NULL && list[cnt]->aio_lio_opcode != LIO_NOP) { +#ifndef DONT_NEED_AIO_MISC_COND waitlist[cnt].cond = &cond; +#endif waitlist[cnt].result = &result; waitlist[cnt].next = requests[cnt]->waiting; waitlist[cnt].counterp = &total; @@ -146,6 +150,9 @@ lio_listio_internal (int mode, struct aiocb *const list[], int nent, } } +#ifdef DONT_NEED_AIO_MISC_COND + AIO_MISC_WAIT (result, total, NULL, 0); +#else /* Since `pthread_cond_wait'/`pthread_cond_timedwait' are cancellation points we must be careful. We added entries to the waiting lists which we must remove. So defer cancellation for now. */ @@ -161,6 +168,7 @@ lio_listio_internal (int mode, struct aiocb *const list[], int nent, if (pthread_cond_destroy (&cond) != 0) /* This must never happen. */ abort (); +#endif /* If any of the I/O requests failed, return -1 and set errno. */ if (result != 0) @@ -193,7 +201,9 @@ lio_listio_internal (int mode, struct aiocb *const list[], int nent, if (requests[cnt] != NULL && list[cnt]->aio_lio_opcode != LIO_NOP) { +#ifndef DONT_NEED_AIO_MISC_COND waitlist->list[cnt].cond = NULL; +#endif waitlist->list[cnt].result = NULL; waitlist->list[cnt].next = requests[cnt]->waiting; waitlist->list[cnt].counterp = &waitlist->counter; |