static void irix_release_kernel_oplock(files_struct *fsp)
{
if (DEBUGLVL(10)) {
/*
* Check and print out the current kernel
* oplock state of this file.
*/
int state = sys_fcntl_long(fsp->fh->fd, F_OPLKACK, -1);
dbgtext("irix_release_kernel_oplock: file %s, dev = %x, "
"inode = %.0f file_id = %ul, has kernel oplock state "
"of %x.\n", fsp->fsp_name, (unsigned int)fsp->dev,
(double)fsp->inode, fsp->fh->file_id, state );
}
/*
* Remove the kernel oplock on this file.
*/
if(sys_fcntl_long(fsp->fh->fd, F_OPLKACK, OP_REVOKE) < 0) {
if( DEBUGLVL( 0 )) {
dbgtext("irix_release_kernel_oplock: Error when "
"removing kernel oplock on file " );
dbgtext("%s, dev = %x, inode = %.0f, file_id = %ul. "
"Error was %s\n",
fsp->fsp_name, (unsigned int)fsp->dev,
(double)fsp->inode, fsp->fh->file_id,
strerror(errno) );
}
}
}
static void irix_release_kernel_oplock(struct kernel_oplocks *_ctx,
files_struct *fsp, int oplock_type)
{
if (DEBUGLVL(10)) {
/*
* Check and print out the current kernel
* oplock state of this file.
*/
int state = sys_fcntl_long(fsp->fh->fd, F_OPLKACK, -1);
dbgtext("irix_release_kernel_oplock: file %s, file_id = %s"
"gen_id = %ul, has kernel oplock state "
"of %x.\n", fsp_str_dbg(fsp),
file_id_string_tos(&fsp->file_id),
fsp->fh->gen_id, state );
}
/*
* Remove the kernel oplock on this file.
*/
if(sys_fcntl_long(fsp->fh->fd, F_OPLKACK, OP_REVOKE) < 0) {
if( DEBUGLVL( 0 )) {
dbgtext("irix_release_kernel_oplock: Error when "
"removing kernel oplock on file " );
dbgtext("%s, file_id = %s gen_id = %ul. "
"Error was %s\n",
fsp_str_dbg(fsp),
file_id_string_tos(&fsp->file_id),
fsp->fh->gen_id,
strerror(errno) );
}
}
}
static BOOL irix_oplocks_available(void)
{
int fd;
int pfd[2];
pstring tmpname;
set_effective_capability(KERNEL_OPLOCK_CAPABILITY);
slprintf(tmpname,sizeof(tmpname)-1, "%s/koplock.%d", lp_lockdir(),
(int)sys_getpid());
if(pipe(pfd) != 0) {
DEBUG(0,("check_kernel_oplocks: Unable to create pipe. Error "
"was %s\n",
strerror(errno) ));
return False;
}
if((fd = sys_open(tmpname, O_RDWR|O_CREAT|O_EXCL|O_TRUNC, 0600)) < 0) {
DEBUG(0,("check_kernel_oplocks: Unable to open temp test file "
"%s. Error was %s\n",
tmpname, strerror(errno) ));
unlink( tmpname );
close(pfd[0]);
close(pfd[1]);
return False;
}
unlink(tmpname);
if(sys_fcntl_long(fd, F_OPLKREG, pfd[1]) == -1) {
DEBUG(0,("check_kernel_oplocks: Kernel oplocks are not "
"available on this machine. Disabling kernel oplock "
"support.\n" ));
close(pfd[0]);
close(pfd[1]);
close(fd);
return False;
}
if(sys_fcntl_long(fd, F_OPLKACK, OP_REVOKE) < 0 ) {
DEBUG(0,("check_kernel_oplocks: Error when removing kernel "
"oplock. Error was %s. Disabling kernel oplock "
"support.\n", strerror(errno) ));
close(pfd[0]);
close(pfd[1]);
close(fd);
return False;
}
close(pfd[0]);
close(pfd[1]);
close(fd);
return True;
}
static bool irix_set_kernel_oplock(struct kernel_oplocks *_ctx,
files_struct *fsp, int oplock_type)
{
struct irix_oplocks_context *ctx = talloc_get_type(_ctx->private_data,
struct irix_oplocks_context);
if (sys_fcntl_long(fsp->fh->fd, F_OPLKREG, ctx->write_fd) == -1) {
if(errno != EAGAIN) {
DEBUG(0,("irix_set_kernel_oplock: Unable to get "
"kernel oplock on file %s, file_id %s "
"gen_id = %ul. Error was %s\n",
fsp_str_dbg(fsp),
file_id_string_tos(&fsp->file_id),
fsp->fh->gen_id,
strerror(errno) ));
} else {
DEBUG(5,("irix_set_kernel_oplock: Refused oplock on "
"file %s, fd = %d, file_id = %s, "
"gen_id = %ul. Another process had the file "
"open.\n",
fsp_str_dbg(fsp), fsp->fh->fd,
file_id_string_tos(&fsp->file_id),
fsp->fh->gen_id ));
}
return False;
}
DEBUG(10,("irix_set_kernel_oplock: got kernel oplock on file %s, file_id = %s "
"gen_id = %ul\n",
fsp_str_dbg(fsp), file_id_string_tos(&fsp->file_id),
fsp->fh->gen_id));
return True;
}
static BOOL irix_oplocks_available(void)
{
int fd;
int pfd[2];
pstring tmpname;
oplock_set_capability(True, False);
slprintf(tmpname,sizeof(tmpname)-1, "%s/koplock.%d", lp_lockdir(), (int)sys_getpid());
if(pipe(pfd) != 0) {
DEBUG(0,("check_kernel_oplocks: Unable to create pipe. Error was %s\n",
strerror(errno) ));
return False;
}
if((fd = sys_open(tmpname, O_RDWR|O_CREAT|O_EXCL|O_TRUNC, 0600)) < 0) {
DEBUG(0,("check_kernel_oplocks: Unable to open temp test file %s. Error was %s\n",
tmpname, strerror(errno) ));
unlink( tmpname );
close(pfd[0]);
close(pfd[1]);
return False;
}
unlink(tmpname);
if(sys_fcntl_long(fd, F_OPLKREG, pfd[1]) == -1) {
DEBUG(0,("check_kernel_oplocks: Kernel oplocks are not available on this machine. \
Disabling kernel oplock support.\n" ));
close(pfd[0]);
close(pfd[1]);
close(fd);
return False;
}
static BOOL irix_set_kernel_oplock(files_struct *fsp, int oplock_type)
{
if (sys_fcntl_long(fsp->fh->fd, F_OPLKREG, oplock_pipe_write) == -1) {
if(errno != EAGAIN) {
DEBUG(0,("irix_set_kernel_oplock: Unable to get "
"kernel oplock on file %s, dev = %x, inode "
"= %.0f, file_id = %ul. Error was %s\n",
fsp->fsp_name, (unsigned int)fsp->dev,
(double)fsp->inode, fsp->fh->file_id,
strerror(errno) ));
} else {
DEBUG(5,("irix_set_kernel_oplock: Refused oplock on "
"file %s, fd = %d, dev = %x, inode = %.0f, "
"file_id = %ul. Another process had the file "
"open.\n",
fsp->fsp_name, fsp->fh->fd,
(unsigned int)fsp->dev, (double)fsp->inode,
fsp->fh->file_id ));
}
return False;
}
DEBUG(10,("irix_set_kernel_oplock: got kernel oplock on file %s, dev "
"= %x, inode = %.0f, file_id = %ul\n",
fsp->fsp_name, (unsigned int)fsp->dev, (double)fsp->inode,
fsp->fh->file_id));
return True;
}
static bool irix_oplocks_available(void)
{
int fd;
int pfd[2];
TALLOC_CTX *ctx = talloc_stackframe();
char *tmpname = NULL;
set_effective_capability(KERNEL_OPLOCK_CAPABILITY);
tmpname = talloc_asprintf(ctx,
"%s/koplock.%d",
lp_lockdir(),
(int)getpid());
if (!tmpname) {
TALLOC_FREE(ctx);
return False;
}
if(pipe(pfd) != 0) {
DEBUG(0,("check_kernel_oplocks: Unable to create pipe. Error "
"was %s\n",
strerror(errno) ));
TALLOC_FREE(ctx);
return False;
}
if((fd = open(tmpname, O_RDWR|O_CREAT|O_EXCL|O_TRUNC, 0600)) < 0) {
DEBUG(0,("check_kernel_oplocks: Unable to open temp test file "
"%s. Error was %s\n",
tmpname, strerror(errno) ));
unlink( tmpname );
close(pfd[0]);
close(pfd[1]);
TALLOC_FREE(ctx);
return False;
}
unlink(tmpname);
TALLOC_FREE(ctx);
if(sys_fcntl_long(fd, F_OPLKREG, pfd[1]) == -1) {
DEBUG(0,("check_kernel_oplocks: Kernel oplocks are not "
"available on this machine. Disabling kernel oplock "
"support.\n" ));
close(pfd[0]);
close(pfd[1]);
close(fd);
return False;
}
if(sys_fcntl_long(fd, F_OPLKACK, OP_REVOKE) < 0 ) {
DEBUG(0,("check_kernel_oplocks: Error when removing kernel "
"oplock. Error was %s. Disabling kernel oplock "
"support.\n", strerror(errno) ));
close(pfd[0]);
close(pfd[1]);
close(fd);
return False;
}
close(pfd[0]);
close(pfd[1]);
close(fd);
return True;
}
