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posix/mman: update atime on shared memory read call

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Update #2859.
This commit is contained in:
Gedare Bloom
2017-03-15 14:29:19 -04:00
parent e0627c69b5
commit 889eb76731
2 changed files with 10 additions and 0 deletions
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9
cpukit/posix/include/rtems/posix/shmimpl.h
View File

@@ -84,6 +84,15 @@ RTEMS_INLINE_ROUTINE POSIX_Shm_Control *_POSIX_Shm_Get_by_name(
); );
} }
RTEMS_INLINE_ROUTINE void _POSIX_Shm_Update_atime(
POSIX_Shm_Control *shm
)
{
struct timeval now;
gettimeofday( &now, 0 );
shm->atime = now.tv_sec;
}
RTEMS_INLINE_ROUTINE void _POSIX_Shm_Update_mtime_ctime( RTEMS_INLINE_ROUTINE void _POSIX_Shm_Update_mtime_ctime(
POSIX_Shm_Control *shm POSIX_Shm_Control *shm
) )

1
cpukit/posix/src/shmopen.c
View File

@@ -66,6 +66,7 @@ static ssize_t shm_read( rtems_libio_t *iop, void *buffer, size_t count )
buffer, buffer,
count count
); );
_POSIX_Shm_Update_atime( shm );
_POSIX_Shm_Release( shm, &queue_context ); _POSIX_Shm_Release( shm, &queue_context );
return bytes_read; return bytes_read;