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| author | Gregory Nutt <gnutt@nuttx.org> | 2014-10-05 15:33:31 -0600 |
|---|---|---|
| committer | Gregory Nutt <gnutt@nuttx.org> | 2014-10-05 15:33:31 -0600 |
| commit | 5daa95bae187d09a50bc2663ee6291eb7c46b5dd (patch) | |
| tree | 582ffeedb8a5aa6ed4b6d3da6ff4cf47eb475b1d /nuttx/include/aio.h | |
| parent | 2bbdd8cc73bea765bf9464e3316c1b8a5cd8a47e (diff) | |
| download | px4-nuttx-5daa95bae187d09a50bc2663ee6291eb7c46b5dd.tar.gz px4-nuttx-5daa95bae187d09a50bc2663ee6291eb7c46b5dd.tar.bz2 px4-nuttx-5daa95bae187d09a50bc2663ee6291eb7c46b5dd.zip | |
Move all file operations from libc/aio to fs/aio. These will need to be kernel routines in order to handler issues with using file descriptors on worker thread
Diffstat (limited to 'nuttx/include/aio.h')
| -rw-r--r-- | nuttx/include/aio.h | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/nuttx/include/aio.h b/nuttx/include/aio.h index 5de5bb713..202a24417 100644 --- a/nuttx/include/aio.h +++ b/nuttx/include/aio.h @@ -58,28 +58,20 @@ # undef CONFIG_LIBC_AIO #endif -/* Work queue support is required. In the flat, embedded build the low- - * priority work queue is required so that the asynchronous I/O does not - * interfere with high priority driver operations. In the protected and - * kernel mode builds, user-space work queue support is required. If these - * pre-requisites are met, then asynchronous I/O support can be enabled with - * CONFIG_LIBC_AIO +/* Work queue support is required. The low-priority work queue is required + * so that the asynchronous I/O does not interfere with high priority driver + * operations. If this pre-requisite is met, then asynchronous I/O support + * can be enabled with CONFIG_LIBC_AIO */ #ifdef CONFIG_LIBC_AIO #ifndef CONFIG_SCHED_WORKQUEUE # error Asynchronous I/O requires CONFIG_SCHED_WORKQUEUE -#else -# if defined (CONFIG_BUILD_PROTECTED) || defined(CONFIG_BUILD_KERNEL) -# ifndef CONFIG_SCHED_USRWORK -# error User-space asynchronous I/O requires CONFIG_SCHED_USRWORK -# endif -# else -# ifndef CONFIG_SCHED_LPWORK -# error Flat-build asynchronous I/O requires CONFIG_SCHED_LPWORK -# endif -# endif +#endif + +#ifndef CONFIG_SCHED_LPWORK +# error Asynchronous I/O requires CONFIG_SCHED_LPWORK #endif /* Standard Definitions *****************************************************/ |