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Make roken build on windows

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Signed-off-by: Love Hornquist Astrand <lha@h5l.org>
This commit is contained in:
Asanka Herath
2009-11-24 21:42:02 -08:00
committed by Love Hornquist Astrand
parent c4b95f7330
commit d00f9984a5
168 changed files with 3688 additions and 607 deletions
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76
lib/roken/flock.c
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@@ -37,11 +37,11 @@
#include "roken.h"
#define OP_MASK (LOCK_SH | LOCK_EX | LOCK_UN)
int ROKEN_LIB_FUNCTION
rk_flock(int fd, int operation)
ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
fk_flock(int fd, int operation)
{
#if defined(HAVE_FCNTL) && defined(F_SETLK)
struct flock arg;
@@ -75,6 +75,76 @@ rk_flock(int fd, int operation)
break;
}
return code;
#elif defined(_WIN32)
/* Windows */
#define FLOCK_OFFSET_LOW 0
#define FLOCK_OFFSET_HIGH 0
#define FLOCK_LENGTH_LOW 0x00000000
#define FLOCK_LENGTH_HIGH 0x80000000
HANDLE hFile;
OVERLAPPED ov;
BOOL rv = FALSE;
DWORD f = 0;
hFile = (HANDLE) _get_osfhandle(fd);
if (hFile == NULL || hFile == INVALID_HANDLE_VALUE) {
_set_errno(EBADF);
return -1;
}
ZeroMemory(&ov, sizeof(ov));
ov.hEvent = NULL;
ov.Offset = FLOCK_OFFSET_LOW;
ov.OffsetHigh = FLOCK_OFFSET_HIGH;
if (operation & LOCK_NB)
f = LOCKFILE_FAIL_IMMEDIATELY;
switch (operation & OP_MASK) {
case LOCK_UN: /* Unlock */
rv = UnlockFileEx(hFile, 0,
FLOCK_LENGTH_LOW, FLOCK_LENGTH_HIGH, &ov);
break;
case LOCK_SH: /* Shared lock */
rv = LockFileEx(hFile, f, 0,
FLOCK_LENGTH_LOW, FLOCK_LENGTH_HIGH, &ov);
break;
case LOCK_EX: /* Exclusive lock */
rv = LockFileEx(hFile, f|LOCKFILE_EXCLUSIVE_LOCK, 0,
FLOCK_LENGTH_LOW, FLOCK_LENGTH_HIGH,
&ov);
break;
default:
_set_errno(EINVAL);
return -1;
}
if (!rv) {
switch (GetLastError()) {
case ERROR_SHARING_VIOLATION:
case ERROR_LOCK_VIOLATION:
case ERROR_IO_PENDING:
_set_errno(EWOULDBLOCK);
break;
case ERROR_ACCESS_DENIED:
_set_errno(EACCES);
break;
default:
_set_errno(ENOLCK);
}
return -1;
}
return 0;
#else
return -1;
#endif