driver: implemented and integrated the -t (preserve atime) command-line option.

2 files changed, 13 insertions, 5 deletions

diff --git a/src/io/tpax_create_memory_snapshot.c b/src/io/tpax_create_memory_snapshot.c
index 7c3dd7e..6be087f 100644
--- a/src/io/tpax_create_memory_snapshot.c
+++ b/src/io/tpax_create_memory_snapshot.c
@@ -18,6 +18,7 @@
 #include <tpax/tpax_specs.h>
 #include "tpax_driver_impl.h"
 #include "tpax_errinfo_impl.h"
+#include "tpax_ftime_impl.h"
 
 #ifndef ssizeof
 #define ssizeof(x) (ssize_t)(sizeof(x))
@@ -69,11 +70,11 @@ int tpax_io_create_memory_snapshot(
 			nread = read(fd,ch,cap-ch);
 
 		if (nread < 0) {
-			close(fd);
+			tpax_ftime_restore_and_close(dctx,fd,&dstst);
 			return TPAX_SYSTEM_ERROR(dctx);
 
 		} else if (nread == 0) {
-			close(fd);
+			tpax_ftime_restore_and_close(dctx,fd,&dstst);
 			return TPAX_CUSTOM_ERROR(dctx,TPAX_ERR_FLOW_ERROR);
 
 		} else {
@@ -81,6 +82,9 @@ int tpax_io_create_memory_snapshot(
 		}
 	}
 
+	/* preserve last data access time as needed */
+	tpax_ftime_restore(dctx,fd,&dstst);
+
 	/* stat compare */
 	if ((fstat(fd,&dstst)) < 0) {
 		close(fd);
diff --git a/src/io/tpax_create_tmpfs_snapshot.c b/src/io/tpax_create_tmpfs_snapshot.c
index 9891e98..99a1665 100644
--- a/src/io/tpax_create_tmpfs_snapshot.c
+++ b/src/io/tpax_create_tmpfs_snapshot.c
@@ -19,6 +19,7 @@
 #include "tpax_driver_impl.h"
 #include "tpax_tmpfile_impl.h"
 #include "tpax_errinfo_impl.h"
+#include "tpax_ftime_impl.h"
 
 #ifndef ssizeof
 #define ssizeof(x) (ssize_t)(sizeof(x))
@@ -78,12 +79,12 @@ int tpax_io_create_tmpfs_snapshot(
 			nbytes = read(fdsrc,buf,buflen);
 
 		if (nbytes < 0) {
-			close(fdsrc);
+			tpax_ftime_restore_and_close(dctx,fdsrc,&dstst);
 			close(fdtmp);
 			return TPAX_SYSTEM_ERROR(dctx);
 
 		} else if (nbytes == 0) {
-			close(fdsrc);
+			tpax_ftime_restore_and_close(dctx,fdsrc,&dstst);
 			close(fdtmp);
 			return TPAX_CUSTOM_ERROR(dctx,TPAX_ERR_FLOW_ERROR);
 
@@ -98,7 +99,7 @@ int tpax_io_create_tmpfs_snapshot(
 				ret = write(fdtmp,ch,nbytes);
 
 			if (ret < 0) {
-				close(fdsrc);
+				tpax_ftime_restore_and_close(dctx,fdsrc,&dstst);
 				close(fdtmp);
 				return TPAX_SYSTEM_ERROR(dctx);
 
@@ -108,6 +109,9 @@ int tpax_io_create_tmpfs_snapshot(
 		}
 	}
 
+	/* preserve last data access time as needed */
+	tpax_ftime_restore(dctx,fdsrc,&dstst);
+
 	/* stat compare */
 	if ((fstat(fdsrc,&dstst)) < 0) {
 		close(fdsrc);