diff options
Diffstat (limited to 'nuttx/include/spawn.h')
-rw-r--r-- | nuttx/include/spawn.h | 40 |
1 files changed, 35 insertions, 5 deletions
diff --git a/nuttx/include/spawn.h b/nuttx/include/spawn.h index 5e0ce3416..e6096fdba 100644 --- a/nuttx/include/spawn.h +++ b/nuttx/include/spawn.h @@ -75,12 +75,18 @@ struct posix_spawnattr_s { - uint8_t flags; - uint8_t priority; - uint8_t policy; + /* Used by posix_spawn, posix_spawnp, and task_spawn */ + + uint8_t flags; /* See POSIX_SPAWN_ definitions */ + uint8_t priority; /* Task scheduling priority */ + uint8_t policy; /* Task scheduling policy */ #ifndef CONFIG_DISABLE_SIGNALS - sigset_t sigmask; + sigset_t sigmask; /* Signals to be masked */ #endif + + /* Used only by task_spawn (non-standard) */ + + size_t stacksize; /* Task stack size */ }; typedef struct posix_spawnattr_s posix_spawnattr_t; @@ -107,7 +113,10 @@ extern "C" { #endif -/* posix_spawn[p] interfaces ************************************************/ +/* Spawn interfaces *********************************************************/ +/* Standard posix_spawn[p] interfaces. These functions execute files in the + * file system at 'path' + */ #ifdef CONFIG_BINFMT_EXEPATH int posix_spawnp(FAR pid_t *pid, FAR const char *path, @@ -121,8 +130,20 @@ int posix_spawn(FAR pid_t *pid, FAR const char *path, FAR const posix_spawn_file_actions_t *file_actions, FAR const posix_spawnattr_t *attr, FAR char *const argv[], FAR char *const envp[]); +#define posix_spawnp(pid,path,file_actions,attr,argv,envp) \ + posix_spawn(pid,path,file_actions,attr,argv,envp) #endif +/* Non-standard task_spawn interface. This function uses the same + * semantics to execute a file in memory at 'entry', giving it the name + * 'name'. + */ + +int task_spawn(FAR pid_t *pid, FAR const char *name, main_t entry, + FAR const posix_spawn_file_actions_t *file_actions, + FAR const posix_spawnattr_t *attr, + FAR char *const argv[], FAR char *const envp[]); + /* File action interfaces ***************************************************/ /* File action initialization and destruction */ @@ -181,6 +202,15 @@ int posix_spawnattr_setsigmask(FAR posix_spawnattr_t *attr, # define posix_spawnattr_setsigmask(attr,sigmask) (ENOSYS) #endif +/* Non-standard get/set spawn attributes interfaces for use only with + * task_spawn() + */ + +int task_spawnattr_getstacksize(FAR const posix_spawnattr_t *attr, + size_t *stacksize); +int task_spawnattr_setstacksize(FAR posix_spawnattr_t *attr, + size_t stacksize); + /* Non standard debug functions */ #ifdef CONFIG_DEBUG |