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Add system calls for shared memory interfaces

This commit is contained in:
Gregory Nutt 2014-09-22 15:24:09 -06:00
parent 4b706e50df
commit 29075cf666
4 changed files with 38 additions and 3 deletions
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18
include/sys/syscall.h
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@ -275,13 +275,25 @@
# define SYS_rmdir (__SYS_mountpoint+4)
# define SYS_umount (__SYS_mountpoint+5)
# define SYS_unlink (__SYS_mountpoint+6)
# define __SYS_pthread (__SYS_mountpoint+7)
# define __SYS_shm (__SYS_mountpoint+7)
# else
# define __SYS_pthread __SYS_mountpoint
# define __SYS_shm __SYS_mountpoint
# endif
#else
# define __SYS_pthread __SYS_filedesc
# define __SYS_shm __SYS_filedesc
#endif
/* Shared memory interfaces */
#ifdef CONFIG_MM_SHM
# define SYS_shmget (__SYS_shm+0)
# define SYS_shmat (__SYS_shm+1)
# define SYS_shmctl (__SYS_shm+2)
# define SYS_shmdt (__SYS_shm+3)
# define __SYS_pthread (__SYS_shm+4)
#else
# define __SYS_pthread __SYS_shm
#endif
/* The following are defined if pthreads are enabled */

4
syscall/syscall.csv
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@ -113,6 +113,10 @@
"set_errno","errno.h","","void","int"
"setenv","stdlib.h","!defined(CONFIG_DISABLE_ENVIRON)","int","const char*","const char*","int"
"setsockopt","sys/socket.h","CONFIG_NSOCKET_DESCRIPTORS > 0 && defined(CONFIG_NET)","int","int","int","int","FAR const void*","socklen_t"
"shmat", "sys/shm.h", "defined(CONFIG_MM_SHM)", "FAR void *", "int", "FAR const void *", "int"
"shmctl", "sys/shm.h", "defined(CONFIG_MM_SHM)", "int", "int", "int", "FAR struct shmid_ds *"
"shmdt", "sys/shm.h", "defined(CONFIG_MM_SHM)", "int", "FAR const void *"
"shmget", "sys/shm.h", "defined(CONFIG_MM_SHM)", "int", "key_t", "size_t", "int"
"sigaction","signal.h","!defined(CONFIG_DISABLE_SIGNALS)","int","int","FAR const struct sigaction*","FAR struct sigaction*"
"sigpending","signal.h","!defined(CONFIG_DISABLE_SIGNALS)","int","FAR sigset_t*"
"sigprocmask","signal.h","!defined(CONFIG_DISABLE_SIGNALS)","int","int","FAR const sigset_t*","FAR sigset_t*"

Can't render this file because it has a wrong number of fields in line 2.

9
syscall/syscall_lookup.h
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@ -200,6 +200,15 @@ SYSCALL_LOOKUP(up_assert, 2, STUB_up_assert)
# endif
#endif
/* Shared memory interfaces */
#ifdef CONFIG_MM_SHM
SYSCALL_LOOKUP(shmget, 3, STUB_shmget)
SYSCALL_LOOKUP(shmat, 3, STUB_shmat)
SYSCALL_LOOKUP(shmctl, 3, STUB_shmctl)
SYSCALL_LOOKUP(shmdt, 1, STUB_shmdt)
#endif
/* The following are defined if pthreads are enabled */
#ifndef CONFIG_DISABLE_PTHREAD

10
syscall/syscall_stublookup.c
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@ -210,6 +210,16 @@ uintptr_t STUB_rmdir(int nbr, uintptr_t parm1);
uintptr_t STUB_umount(int nbr, uintptr_t parm1);
uintptr_t STUB_unlink(int nbr, uintptr_t parm1);
/* Shared memory interfaces */
uintptr_t STUB_shmget(int nbr, uintptr_t parm1, uintptr_t parm2,
uintptr_t parm3);
uintptr_t STUB_shmat(int nbr, uintptr_t parm1, uintptr_t parm2,
uintptr_t parm3);
uintptr_t STUB_shmctl(int nbr, uintptr_t parm1, uintptr_t parm2,
uintptr_t parm3);
uintptr_t STUB_shmdt(int nbr, uintptr_t parm1);
/* The following are defined if pthreads are enabled */
uintptr_t STUB_pthread_barrier_destroy(int nbr, uintptr_t parm1);