/** 
 * @file
 *
 * Fool OS - System Call Interface
 * ===============================
 *
 * Most of the syscalls are loosely based on a very small subset of the
 * linux system calls. 
 *
 * They seem enough to back a small C Library as newlib in this case.
 *
 * 
 */

#define SYSCALL_EXIT         60
#define SYSCALL_EXECVE       64
#define SYSCALL_FORK         72

#define SYSCALL_CLOSE        66
#define SYSCALL_OPEN         65

#define SYSCALL_GETPID       78
#define SYSCALL_ISATTY       68 // linux??
#define SYSCALL_LINK         82
#define SYSCALL_LSEEK        69
#define SYSCALL_READ         62
#define SYSCALL_SBRK         70
#define SYSCALL_STAT         74 // need all?
#define SYSCALL_FSTAT        67 // need all?
#define SYSCALL_LSTAT        79 // need all?
#define SYSCALL_TIMES        75
#define SYSCALL_UNLINK       76
#define SYSCALL_WAIT         77
#define SYSCALL_WRITE        61
#define SYSCALL_GETTIMEOFDAY 71
#define SYSCALL_READDIR      63 // linux has getdents
#define SYSCALL_KILL         73
#define SYSCALL_CLONE        83
#define SYSCALL_PIPE         84 
#define SYSCALL_DUP2         86

/** Todo move somewhere else and init per process , think how to make thread safe */
void fd_init_std_streams(uint32_t pid);

/** returns string representation of the syscall from its number */
char*    syscall_get_name(uint32_t num);

/** invoke a syscall from kernel */
uint32_t syscall_generic(uint32_t nr,uint32_t p1, uint32_t p2, uint32_t p3, uint32_t pid);

/** test if a specific syscall is ready to be processed */
uint32_t syscall_generic_test(uint32_t nr,uint32_t p1, uint32_t p2, uint32_t p3, uint32_t pid);

// new planned syscalls for graphx
// TODO: split ncurses and our syscalls??

// int syscall_create_win("title");
// int syscall_kill_win(int descriptor);
// int syscall_update_win(int descriptor, *mem, *rect);
// int syscall_callback(*func, ON_MOUSE);
// int syscall_sleep();