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* fhandler.cc (fhandler_base::open): Set win32 access flags

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to 0, when requested.
* fhandler.h: New status flag FH_QUERYOPEN.
(fhandler::get_query_open): New function.
(fhandler::set_query_open): Ditto.
* syscalls.cc (stat_worker): Request query-only open mode.
This commit is contained in:
Egor Duda
2001-06-14 18:21:17 +00:00
parent c66261a731
commit 96d95e535e
4 changed files with 39 additions and 20 deletions
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43
winsup/cygwin/fhandler.h
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@ -50,30 +50,32 @@ details. */
enum
{
FH_RBINARY = 0x00001000, /* binary read mode */
FH_WBINARY = 0x00002000, /* binary write mode */
FH_CLOEXEC = 0x00004000, /* close-on-exec */
FH_RBINSET = 0x00008000, /* binary read mode has been explicitly set */
FH_WBINSET = 0x00010000, /* binary write mode has been explicitly set */
FH_APPEND = 0x00020000, /* always append */
FH_ASYNC = 0x00040000, /* async I/O */
FH_HADEOF = 0x00080000, /* EOF seen */
FH_RBINARY = 0x00001000, /* binary read mode */
FH_WBINARY = 0x00002000, /* binary write mode */
FH_CLOEXEC = 0x00004000, /* close-on-exec */
FH_RBINSET = 0x00008000, /* binary read mode has been explicitly set */
FH_WBINSET = 0x00010000, /* binary write mode has been explicitly set */
FH_APPEND = 0x00020000, /* always append */
FH_ASYNC = 0x00040000, /* async I/O */
FH_HADEOF = 0x00080000, /* EOF seen */
FH_SYMLINK = 0x00100000, /* is a symlink */
FH_EXECABL = 0x00200000, /* file looked like it would run:
FH_SYMLINK = 0x00100000, /* is a symlink */
FH_EXECABL = 0x00200000, /* file looked like it would run:
* ends in .exe or .bat or begins with #! */
FH_W95LSBUG= 0x00400000, /* set when lseek is called as a flag that
FH_W95LSBUG = 0x00400000, /* set when lseek is called as a flag that
* _write should check if we've moved beyond
* EOF, zero filling if so. */
FH_NOFRNAME= 0x00800000, /* Set if shouldn't free unix_path_name and
FH_NOFRNAME = 0x00800000, /* Set if shouldn't free unix_path_name and
windows_path_name_ on destruction. */
FH_NOEINTR = 0x01000000, /* Set if I/O should be uninterruptible. */
FH_FFIXUP = 0x02000000, /* Set if need to fixup after fork. */
FH_LOCAL = 0x04000000, /* File is unix domain socket */
FH_FIFO = 0x08000000, /* File is FIFO */
FH_ISREMOTE= 0x10000000, /* File is on a remote drive */
FH_DCEXEC = 0x20000000, /* Don't care if this is executable */
FH_HASACLS = 0x40000000, /* True if fs of file has ACLS */
FH_NOEINTR = 0x01000000, /* Set if I/O should be uninterruptible. */
FH_FFIXUP = 0x02000000, /* Set if need to fixup after fork. */
FH_LOCAL = 0x04000000, /* File is unix domain socket */
FH_FIFO = 0x08000000, /* File is FIFO */
FH_ISREMOTE = 0x10000000, /* File is on a remote drive */
FH_DCEXEC = 0x20000000, /* Don't care if this is executable */
FH_HASACLS = 0x40000000, /* True if fs of file has ACLS */
FH_QUERYOPEN = 0x80000000, /* open file without requesting either read
or write access */
/* Device flags */
@ -252,6 +254,9 @@ public:
void set_append_p (int val) { FHCONDSETF (val, APPEND); }
void set_append_p () { FHSETF (APPEND); }
int get_query_open () { return FHISSETF (QUERYOPEN); }
void set_query_open (int val) { FHCONDSETF (val, QUERYOPEN); }
int get_readahead_valid () { return raixget < ralen; }
int puts_readahead (const char *s, size_t len = (size_t) -1);
int put_readahead (char value);