C++ (Cpp) get_page_offset Examples

Example #1

File: filesystem.cpp Project: feldsherov/techsphere_DB

void FileSystemApi::read_page_from_disk(DBC &conf, Page &pg) {
    assert(file.is_open());
    file.seekg(get_page_offset(conf, pg), std::ios_base::beg);
    char *buff = new char[conf.page_size];
    file.read(buff, conf.page_size);
    pg.from_bytes(buff);
    delete[] buff;
}

Example #2

File: osi_module.c Project: mattjsm/openafs-netbsd5

int
init_module(void)
#endif
{
    int err;
    AFS_RWLOCK_INIT(&afs_xosi, "afs_xosi");

#if !defined(AFS_LINUX24_ENV)
    /* obtain PAGE_OFFSET value */
    afs_linux_page_offset = get_page_offset();

#ifndef AFS_S390_LINUX22_ENV
    if (afs_linux_page_offset == 0) {
	/* couldn't obtain page offset so can't continue */
	printf("afs: Unable to obtain PAGE_OFFSET. Exiting..");
	return -EIO;
    }
#endif /* AFS_S390_LINUX22_ENV */
#endif /* !defined(AFS_LINUX24_ENV) */

    osi_Init();

#ifndef LINUX_KEYRING_SUPPORT
    err = osi_syscall_init();
    if (err)
	return err;
#endif
    err = afs_init_inodecache();
    if (err) {
#ifndef LINUX_KEYRING_SUPPORT
	osi_syscall_clean();
#endif
	return err;
    }
    err = register_filesystem(&afs_fs_type);
    if (err) {
	afs_destroy_inodecache();
#ifndef LINUX_KEYRING_SUPPORT
	osi_syscall_clean();
#endif
	return err;
    }

    osi_sysctl_init();
#ifdef LINUX_KEYRING_SUPPORT
    osi_keyring_init();
#endif
#ifdef AFS_LINUX24_ENV
    osi_proc_init();
    osi_ioctl_init();
#endif
#if defined(AFS_CACHE_BYPASS)
    afs_warn("Cache bypass patched libafs module init.\n");
#endif
    afs_init_pagecopy();

    return 0;
}

Example #3

File: geometry.c Project: fvwmorg/fvwm

void get_page_offset_check_visible(
	int *ret_page_x, int *ret_page_y, FvwmWindow *fw)
{
	if (IsRectangleOnThisPage(&fw->g.frame, fw->Desk))
	{
		/* maximize on visible page if any part of the window is
		 * visible */
		*ret_page_x = 0;
		*ret_page_y = 0;
	}
	else
	{
		get_page_offset(ret_page_x, ret_page_y, fw);
	}

	return;
}

Example #4

File: filesystem.cpp Project: feldsherov/techsphere_DB

void FileSystemApi::flush_page(DBC &conf, Page &pg) {
    assert(file.good());
    file.seekp(get_page_offset(conf, pg), std::ios_base::beg);
    assert(pg.num_bytes() <= conf.page_size);
    file.write(pg.as_bytes((int)conf.page_size), conf.page_size);
}