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Add spawn attribute logic which will eventually be needed to support posix_spawn()

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5501 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
2013-01-10 00:45:11 +00:00
parent 21684b51f1
commit cb85fb1daa
19 changed files with 891 additions and 25 deletions
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include/spawn.h
+32 -5
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@@ -43,7 +43,10 @@
#include <nuttx/config.h>
#include <sys/types.h>
#include <sched.h>
#include <signal.h>
#include <errno.h>
/****************************************************************************
* Pre-processor Definitions
@@ -65,14 +68,18 @@
****************************************************************************/
/* "The spawn.h header shall define the posix_spawnattr_t and
* posix_spawn_file_actions_t types used in performing spawn operations.
*
* The internal structure underlying the posix_spawnattr_t is exposed here
* because the user will be required to allocate this memory.
*/
struct posix_spawnattr_s
{
uint8_t flags;
uint8_t priority;
pid_t group;
sigset_t sigset;
uint8_t policy;
sigset_t sigdefault;
sigset_t sigmask;
};
typedef struct posix_spawnattr_s posix_spawnattr_t;
@@ -99,6 +106,8 @@ extern "C"
{
#endif
/* posix_spawn[p] interfaces ************************************************/
int posix_spawn(FAR pid_t *, FAR const char *,
FAR const posix_spawn_file_actions_t *, FAR const posix_spawnattr_t *,
FAR char *const [], FAR char *const []);
@@ -106,9 +115,14 @@ int posix_spawnp(FAR pid_t *, FAR const char *,
FAR const posix_spawn_file_actions_t *, FAR const posix_spawnattr_t *,
FAR char *const [], FAR char *const []);
/* File action interfaces ***************************************************/
/* File action initialization and destruction */
int posix_spawn_file_actions_init(FAR posix_spawn_file_actions_t *);
int posix_spawn_file_actions_destroy(FAR posix_spawn_file_actions_t *);
/* Add file action interfaces */
int posix_spawn_file_actions_addclose(FAR posix_spawn_file_actions_t *,
int);
int posix_spawn_file_actions_adddup2(FAR posix_spawn_file_actions_t *,
@@ -116,11 +130,22 @@ int posix_spawn_file_actions_adddup2(FAR posix_spawn_file_actions_t *,
int posix_spawn_file_actions_addopen(FAR posix_spawn_file_actions_t *,
int, FAR const char *, int, mode_t);
/* Spawn attributes interfaces **********************************************/
/* Spawn attributes initialization and destruction */
int posix_spawnattr_init(FAR posix_spawnattr_t *);
int posix_spawnattr_destroy(FAR posix_spawnattr_t *);
/* int posix_spawnattr_destroy(FAR posix_spawnattr_t *); */
#ifdef CONFIG_DEBUG
# define posix_spawnattr_destroy(attr) (attr ? 0 : EINVAL)
#else
# define posix_spawnattr_destroy(attr) (0)
#endif
/* Get spawn attributes interfaces */
int posix_spawnattr_getflags(FAR const posix_spawnattr_t *, FAR short *);
int posix_spawnattr_getpgroup(FAR const posix_spawnattr_t *, FAR pid_t *);
#define posix_spawnattr_getpgroup(attr,group) (ENOSYS)
int posix_spawnattr_getschedparam(FAR const posix_spawnattr_t *,
FAR struct sched_param *);
int posix_spawnattr_getschedpolicy(FAR const posix_spawnattr_t *,
@@ -130,8 +155,10 @@ int posix_spawnattr_getsigdefault(FAR const posix_spawnattr_t *,
int posix_spawnattr_getsigmask(FAR const posix_spawnattr_t *,
FAR sigset_t *);
/* Set spawn attributes interfaces */
int posix_spawnattr_setflags(FAR posix_spawnattr_t *, short);
int posix_spawnattr_setpgroup(FAR posix_spawnattr_t *, pid_t);
#define posix_spawnattr_setpgroup(attr,group) (ENOSYS)
int posix_spawnattr_setschedparam(FAR posix_spawnattr_t *,
FAR const struct sched_param *);
int posix_spawnattr_setschedpolicy(FAR posix_spawnattr_t *, int);