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Add definitions for SIGPOLL

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This commit is contained in:
Gregory Nutt 2014-10-05 06:02:37 -06:00
parent 3dfbcc2544
commit 31cdcde73a
3 changed files with 26 additions and 3 deletions
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12
include/aio.h
View File

@ -52,6 +52,12 @@
* Pre-processor Definitions * Pre-processor Definitions
****************************************************************************/ ****************************************************************************/
/* Configuration ************************************************************/ /* Configuration ************************************************************/
/* These interfaces are not available to kernel code */
#if (defined(CONFIG_BUILD_PROTECTED) || defined(CONFIG_BUILD_KERNEL)) && defined(__KERNEL__)
# undef CONFIG_LIBC_AIO
#endif
/* Work queue support is required. In the flat, embedded build the low- /* 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 * priority work queue is required so that the asynchronous I/O does not
* interfere with high priority driver operations. In the protected and * interfere with high priority driver operations. In the protected and
@ -63,7 +69,7 @@
#ifdef CONFIG_LIBC_AIO #ifdef CONFIG_LIBC_AIO
#ifndef CONFIG_SCHED_WORKQUEUE #ifndef CONFIG_SCHED_WORKQUEUE
# error Asynchronous I/O requiresCONFIG_SCHED_WORKQUEUE # error Asynchronous I/O requires CONFIG_SCHED_WORKQUEUE
#else #else
# if defined (CONFIG_BUILD_PROTECTED) || defined(CONFIG_BUILD_KERNEL) # if defined (CONFIG_BUILD_PROTECTED) || defined(CONFIG_BUILD_KERNEL)
# ifndef CONFIG_SCHED_USRWORK # ifndef CONFIG_SCHED_USRWORK
@ -163,7 +169,7 @@ int aio_suspend(FAR const struct aiocb *const list[], int nent,
FAR const struct timespec *timeout); FAR const struct timespec *timeout);
int aio_write(FAR struct aiocb *aiocbp); int aio_write(FAR struct aiocb *aiocbp);
#ifndef CONFIG_PTHREAD_DISABLE #ifndef CONFIG_PTHREAD_DISABLE /* Depends on pthread support */
int lio_listio(int mode, FAR struct aiocb *const list[], int nent, int lio_listio(int mode, FAR struct aiocb *const list[], int nent,
FAR struct sigevent *sig); FAR struct sigevent *sig);
#endif #endif
@ -173,5 +179,5 @@ int lio_listio(int mode, FAR struct aiocb *const list[], int nent,
} }
#endif #endif
#endif /* CONFIG_LIBC_AIO */ #endif /* CONFIG_LIBC_AIO */
#endif /* __INCLUDE_AIO_H */ #endif /* __INCLUDE_AIO_H */

9
include/signal.h
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@ -101,6 +101,15 @@
# endif # endif
#endif #endif
#ifdef CONFIG_LIBC_AIO
# ifndef CONFIG_SIG_POLL
# define SIGPOLL 5 /* Sent when an asynchronous I/O event occurs */
# else
# define SIGPOLL CONFIG_SIG_POLL
# endif
#endif
#endif
/* The following are non-standard signal definitions */ /* The following are non-standard signal definitions */
#ifndef CONFIG_DISABLE_PTHREAD #ifndef CONFIG_DISABLE_PTHREAD

8
sched/Kconfig
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@ -767,6 +767,14 @@ config SIG_SIGCHLD
exits, is interrupted (stopped), or resumes after being interrupted. exits, is interrupted (stopped), or resumes after being interrupted.
Default: 4 Default: 4
config SIG_POLL
int "SIGPOLL"
default 5
depends on LIBC_AIO
---help---
The SIGPOLL signal is sent to a process when an asynchronous I/O
event occurs (meaning it has been polled). Default: 5
config SIG_SIGCONDTIMEDOUT config SIG_SIGCONDTIMEDOUT
int "SIGCONDTIMEDOUT" int "SIGCONDTIMEDOUT"
default 16 default 16