[PATCH 10/18] libio: Add flags to rtems_libio_allocate()
Sebastian Huber
sebastian.huber at embedded-brains.de
Wed Sep 13 13:39:43 UTC 2017
Update #3082.
---
cpukit/libcsupport/include/rtems/libio_.h | 2 +-
cpukit/libcsupport/src/fcntl.c | 11 +++++------
cpukit/libcsupport/src/libio.c | 4 ++--
cpukit/libcsupport/src/open.c | 3 +--
cpukit/libnetworking/rtems/rtems_syscall.c | 3 +--
cpukit/posix/src/shmopen.c | 16 +++++++++-------
6 files changed, 19 insertions(+), 20 deletions(-)
diff --git a/cpukit/libcsupport/include/rtems/libio_.h b/cpukit/libcsupport/include/rtems/libio_.h
index ed5cd27c31..d9ba176ef0 100644
--- a/cpukit/libcsupport/include/rtems/libio_.h
+++ b/cpukit/libcsupport/include/rtems/libio_.h
@@ -320,7 +320,7 @@ static inline void rtems_filesystem_instance_unlock(
* This routine searches the IOP Table for an unused entry. If it
* finds one, it returns it. Otherwise, it returns NULL.
*/
-rtems_libio_t *rtems_libio_allocate(void);
+rtems_libio_t *rtems_libio_allocate(uint32_t flags);
/**
* Convert UNIX fnctl(2) flags to ones that RTEMS drivers understand
diff --git a/cpukit/libcsupport/src/fcntl.c b/cpukit/libcsupport/src/fcntl.c
index 0fe734d61c..7dc2c8110f 100644
--- a/cpukit/libcsupport/src/fcntl.c
+++ b/cpukit/libcsupport/src/fcntl.c
@@ -26,15 +26,14 @@
static int duplicate_iop( rtems_libio_t *iop )
{
- int rv = 0;
+ int rv;
+ int oflag;
+ rtems_libio_t *diop;
- rtems_libio_t *diop = rtems_libio_allocate();
+ oflag = rtems_libio_to_fcntl_flags( iop->flags );
+ diop = rtems_libio_allocate( rtems_libio_fcntl_flags( oflag ) );
if (diop != NULL) {
- int oflag = rtems_libio_to_fcntl_flags( iop->flags );
-
- rtems_libio_iop_flags_set( diop, rtems_libio_fcntl_flags( oflag ) );
-
rtems_filesystem_instance_lock( &iop->pathinfo );
rtems_filesystem_location_clone( &diop->pathinfo, &iop->pathinfo );
rtems_filesystem_instance_unlock( &iop->pathinfo );
diff --git a/cpukit/libcsupport/src/libio.c b/cpukit/libcsupport/src/libio.c
index cd3a4420f6..ab8779aa12 100644
--- a/cpukit/libcsupport/src/libio.c
+++ b/cpukit/libcsupport/src/libio.c
@@ -106,7 +106,7 @@ int rtems_libio_to_fcntl_flags( uint32_t flags )
return fcntl_flags;
}
-rtems_libio_t *rtems_libio_allocate( void )
+rtems_libio_t *rtems_libio_allocate( uint32_t flags )
{
rtems_libio_t *iop = NULL;
@@ -116,7 +116,7 @@ rtems_libio_t *rtems_libio_allocate( void )
iop = rtems_libio_iop_freelist;
rtems_libio_iop_freelist = iop->data1;
memset( iop, 0, sizeof(*iop) );
- iop->flags = LIBIO_FLAGS_OPEN;
+ iop->flags = LIBIO_FLAGS_OPEN | flags;
}
rtems_libio_unlock();
diff --git a/cpukit/libcsupport/src/open.c b/cpukit/libcsupport/src/open.c
index 2ee99f1f4c..d6b2341a2f 100644
--- a/cpukit/libcsupport/src/open.c
+++ b/cpukit/libcsupport/src/open.c
@@ -96,7 +96,6 @@ static int do_open(
}
}
- rtems_libio_iop_flags_set( iop, rtems_libio_fcntl_flags( oflag ) );
rtems_filesystem_eval_path_extract_currentloc( &ctx, &iop->pathinfo );
rtems_filesystem_eval_path_cleanup( &ctx );
@@ -138,7 +137,7 @@ int open( const char *path, int oflag, ... )
mode = va_arg( ap, mode_t );
- iop = rtems_libio_allocate();
+ iop = rtems_libio_allocate( rtems_libio_fcntl_flags( oflag ) );
if ( iop != NULL ) {
rv = do_open( iop, path, oflag, mode );
} else {
diff --git a/cpukit/libnetworking/rtems/rtems_syscall.c b/cpukit/libnetworking/rtems/rtems_syscall.c
index a5418e7aaf..dc4ee7a63c 100644
--- a/cpukit/libnetworking/rtems/rtems_syscall.c
+++ b/cpukit/libnetworking/rtems/rtems_syscall.c
@@ -76,12 +76,11 @@ rtems_bsdnet_makeFdForSocket (void *so)
rtems_libio_t *iop;
int fd;
- iop = rtems_libio_allocate();
+ iop = rtems_libio_allocate(LIBIO_FLAGS_READ_WRITE);
if (iop == 0)
rtems_set_errno_and_return_minus_one( ENFILE );
fd = rtems_libio_iop_to_descriptor(iop);
- rtems_libio_iop_flags_set(iop, LIBIO_FLAGS_READ_WRITE);
iop->data0 = fd;
iop->data1 = so;
iop->pathinfo.handlers = &socket_handlers;
diff --git a/cpukit/posix/src/shmopen.c b/cpukit/posix/src/shmopen.c
index e00869e30d..3776e7a95b 100644
--- a/cpukit/posix/src/shmopen.c
+++ b/cpukit/posix/src/shmopen.c
@@ -225,12 +225,20 @@ int shm_open( const char *name, int oflag, mode_t mode )
POSIX_Shm_Control *shm;
size_t len;
Objects_Get_by_name_error obj_err;
+ uint32_t flags;
if ( shm_check_oflag( oflag ) != 0 ) {
return -1;
}
- iop = rtems_libio_allocate();
+ flags = LIBIO_FLAGS_CLOSE_ON_EXEC;
+ if ( oflag & O_RDONLY ) {
+ flags |= LIBIO_FLAGS_READ;
+ } else {
+ flags |= LIBIO_FLAGS_READ_WRITE;
+ }
+
+ iop = rtems_libio_allocate( flags );
if ( iop == NULL ) {
rtems_set_errno_and_return_minus_one( EMFILE );
}
@@ -275,12 +283,6 @@ int shm_open( const char *name, int oflag, mode_t mode )
}
fd = rtems_libio_iop_to_descriptor( iop );
- rtems_libio_iop_flags_set( iop, LIBIO_FLAGS_CLOSE_ON_EXEC );
- if ( oflag & O_RDONLY ) {
- rtems_libio_iop_flags_set( iop, LIBIO_FLAGS_READ );
- } else {
- rtems_libio_iop_flags_set( iop, LIBIO_FLAGS_READ_WRITE );
- }
iop->data0 = fd;
iop->data1 = shm;
iop->pathinfo.node_access = shm;
--
2.12.3
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