Commit a18c4883 authored by unknown's avatar unknown
Browse files

os0file.c: 

  Prevent on Windows starting of two mysqld instances on SAME InnoDB files: that could cause severe database corruption


innobase/os/os0file.c:
  Prevent on Windows starting of two mysqld instances on SAME InnoDB files: that could cause severe database corruption
parent 87473e96

innobase/os/os0file.c

+11 −6
Original line number Diff line number Diff line
@@ -386,9 +386,9 @@ os_file_create_simple( 


	file = CreateFile(name,

			access,

			FILE_SHARE_READ | FILE_SHARE_WRITE,

					/* file can be read and written

					also by other processes */

			FILE_SHARE_READ,

					/* file can be read also by other

					processes */

			NULL,	/* default security attributes */

			create_flag,

			attributes,
@@ -526,9 +526,14 @@ os_file_create( 
	file = CreateFile(name,

			GENERIC_READ | GENERIC_WRITE, /* read and write

							access */

			FILE_SHARE_READ | FILE_SHARE_WRITE,

					/* file can be read and written

					also by other processes */

			FILE_SHARE_READ,/* File can be read also by other

					processes; we must give the read

					permission because of ibbackup. We do

					not give the write permission to

					others because if one would succeed to

					start 2 instances of mysqld on the

					SAME files, that could cause severe

					database corruption! */

			NULL,	/* default security attributes */

			create_flag,

			attributes,