int close(int fd)
{
int cmd = PATH_CMD_CLOSE;
unsigned int replyfd = getpid() + 3;
int status = -1;
char buf[4 + 4 + 4];
int pos = 0;
path_write_data(buf, &cmd, 4, pos);
path_write_data(buf, &replyfd, 4, pos);
path_write_data(buf, &fd, 4, pos);
write(PATHSERVER_FD, buf, pos);
read(replyfd, &status, 4);
return status;
}
int open(const char *pathname, int flags)
{
int cmd = PATH_CMD_OPEN;
unsigned int replyfd = getpid() + 3;
size_t plen = strlen(pathname) + 1;
unsigned int fd = -1;
char buf[4 + 4 + 4 + PATH_MAX];
(void) flags;
int pos = 0;
path_write_data(buf, &cmd, 4, pos);
path_write_data(buf, &replyfd, 4, pos);
path_write_data(buf, &plen, 4, pos);
path_write_data(buf, pathname, plen, pos);
write(PATHSERVER_FD, buf, pos);
read(replyfd, &fd, 4);
return fd;
}
int mkfile(const char *pathname, int mode, int dev)
{
int cmd = PATH_CMD_MKFILE;
unsigned int replyfd = getpid() + 3;
size_t plen = strlen(pathname)+1;
char buf[4 + 4 + 4 + PATH_MAX + 4];
(void) mode;
int pos = 0;
int status = 0;
path_write_data(buf, &cmd, 4, pos);
path_write_data(buf, &replyfd, 4, pos);
path_write_data(buf, &plen, 4, pos);
path_write_data(buf, pathname, plen, pos);
path_write_data(buf, &dev, 4, pos);
write(PATHSERVER_FD, buf, pos);
read(replyfd, &status, 4);
return status;
}
