diff options
| author | Gregory Nutt <gnutt@nuttx.org> | 2015-04-09 11:25:15 -0600 |
|---|---|---|
| committer | Gregory Nutt <gnutt@nuttx.org> | 2015-04-09 11:25:15 -0600 |
| commit | e7e9460e4b2dfbc4cff4f71ed652ad39796ca8a7 (patch) | |
| tree | e7ea48a227dda9d58a285a3b08fa5b3585a1a87c /nuttx | |
| parent | 625cfa7876d0def1f222280f06d2f6fde7a9a89f (diff) | |
| download | px4-nuttx-e7e9460e4b2dfbc4cff4f71ed652ad39796ca8a7.tar.gz px4-nuttx-e7e9460e4b2dfbc4cff4f71ed652ad39796ca8a7.tar.bz2 px4-nuttx-e7e9460e4b2dfbc4cff4f71ed652ad39796ca8a7.zip | |
SIG_HOLD is not yet implemented
Diffstat (limited to 'nuttx')
| -rw-r--r-- | nuttx/include/signal.h | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/nuttx/include/signal.h b/nuttx/include/signal.h index 59baf16a5..8ef4d5f6a 100644 --- a/nuttx/include/signal.h +++ b/nuttx/include/signal.h @@ -165,17 +165,22 @@ #define SIGEV_NONE 0 /* No notification desired */ #define SIGEV_SIGNAL 1 /* Notify via signal */ -/* Special values of of sa_handler used by sigaction and sigset. There are all - * treated like NULL for now. +/* Special values of of sa_handler used by sigaction and sigset. They are all + * treated like NULL for now. This is okay for SIG_DFL and SIG_IGN because + * in NuttX, the default action for all signals is to ignore them. * - * REVISIT: Need to distinguish the value of SIG_HOLD. It is need in the - * implementation of sigset(). + * REVISIT: Need to distinguish the value of SIG_HOLD. It is needed in the + * implementation of sigset() but would need to be recognized in all signal + * functions that deal with signal disposition. */ #define SIG_ERR ((CODE void*)-1) #define SIG_DFL ((CODE void*)0) #define SIG_IGN ((CODE void*)0) -#define SIG_HOLD ((CODE void*)0) + +#if 0 /* Not yet supported */ +# define SIG_HOLD ((CODE void*)0) +#endif /******************************************************************************** * Global Type Declarations |