int
write (int fd, const void *buffer, unsigned size)
{
//debug
//printf("size :%d\n",size);
return syscall3 (SYS_WRITE, fd, buffer, size);
}
void check_mm_shm_swap(void)
{
int pid = syscall0(__NR_fork);
if (pid < 0) { /* error */
panic("fork error.\n");
} else if (pid == 0) { /* child */
check_mm_shm_swap_child();
}
int status;
syscall3(__NR_waitpid, -1, (long)&status, 0);
}
ssize_t readlink( const char* path, char* buf, size_t bufsiz ) {
int error;
error = syscall3( SYS_readlink, ( int )path, ( int )buf, bufsiz );
if ( error < 0 ) {
errno = -error;
return -1;
}
return error;
}
void check_mm_swap(void)
{
/* fork a new process to make the other tests. */
int pid = syscall0(__NR_fork);
if (pid < 0) { /* error */
panic("fork error.\n");
} else if (pid == 0) { /* child */
check_mm_swap_child();
}
int status;
syscall3(__NR_waitpid, -1, (long)&status, 0);
}
int socket( int domain, int type, int protocol ) {
int error;
error = syscall3( SYS_socket, domain, type, protocol );
if ( error < 0 ) {
errno = -error;
return -1;
}
return error;
}
ssize_t read( int fd, void* buf, size_t count ) {
int error;
error = syscall3( SYS_read, fd, ( int )buf, count );
if ( error < 0 ) {
errno = -error;
return -1;
}
return error;
}
ssize_t write( int fd, const void* buf, size_t count ) {
int error;
error = syscall3( SYS_write, fd, ( int )buf, count );
if ( error < 0 ) {
errno = -error;
return -1;
}
return error;
}
int sigprocmask( int how, const sigset_t* set, sigset_t* oldset ) {
int error;
error = syscall3(
SYS_sigprocmask,
how,
( int )set,
( int )oldset
);
if ( error < 0 ) {
errno = -error;
return -1;
}
return 0;
}
int main(void)
{
become_deterministic();
if (0 == dput(0, 1, 0, 0, 0)) {
int a, b, c;
a = syscall3(__NR_write, 1, (long)"hello\n", 6);
//b = syscall0(57 /* fork */);
b = syscall0(12 /* brk */);
iprintf("In child %d %d\n", a, b);
c = dret();
iprintf("SDF %d\n\n\n",c);
} else {
iprintf("In parent.\n");
}
dput(0, 0, 0, 0, 0);
iprintf("Done\n");
exit(0);
return 0;
}
int main( int argc, char **argv, char **envp )
{
syscall3( SYS_write, 1, ( long )( "Hello World!\n" ), 13 );
return( 0 );
}
int fcntl(int a, int b, int c)
{
return syscall3(LINUX_SYS_fcntl,(const void *)a,(const void *)b,(const void *)c);
}
int chown(const char *a, uid_t b, gid_t c)
{
return syscall3(LINUX_SYS___posix_chown,(const void *)a,(const void *)b,(const void *)c);
}
int read(int fd, char *buf, int len)
{
syscall3(SYS_READ, fd, buf, len);
}
int socket(int a, int b, int c)
{
return syscall3(LINUX_SYS_socket,(const void *)a,(const void *)b,(const void *)c);
}
int
read (int fd, void *buffer, unsigned size)
{
return syscall3 (SYS_READ, fd, buffer, size);
}
int poll(struct pollfd *a, nfds_t b, int c)
{
return syscall3(LINUX_SYS_poll,(const void *)a,(const void *)b,(const void *)c);
}
int fchown(int a, uid_t b, gid_t c)
{
return syscall3(LINUX_SYS___posix_fchown,(const void *)a,(const void *)b,(const void *)c);
}
off_t lseek(int a, off_t b, int c)
{
return syscall3(LINUX_SYS_lseek,(const void *)a,(const void *)b,(const void *)c);
}
uintptr_t phys_alloc(size_t length, uintptr_t max_addr, int alignment)
{
return syscall3(SYS_PHYS_ALLOC, length, max_addr, alignment);
}
int sysconfstr(int id,char *buf,size_t len) {
return syscall3(SYSCALL_GETCONFSTR,id,(ulong)buf,len);
}
int
write (int fd, const void *buffer, unsigned size)
{
return syscall3 (SYS_WRITE, fd, buffer, size);
}
errval_t sys_yield(capaddr_t target)
{
return syscall3(SYSCALL_YIELD, target, yield_timeslices).error;
}
int write(int fd, char *buf, int len)
{
syscall3(SYS_WRITE, fd, buf, len);
}
errval_t sys_print(const char *string, size_t length)
{
return syscall3(SYSCALL_PRINT, (uintptr_t)string, length).error;
}
