gen_calls.c

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/*****************************************************************************************
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 disclaimer and the list of authors in the documentation and/or other materials provided
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 contributors may be used to endorse or promote products derived from this software
 without specific prior written permission.

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 $Id: gen__calls_8c-source.html 88 2016-01-12 00:11:29Z reddawg $

*****************************************************************************************/

#include <ubixos/types.h>
#include <sys/thread.h>
#include <sys/gen_calls.h>
#include <sys/kern_descrip.h>
#include <ubixos/sched.h>
#include <lib/kprintf.h>
#include <lib/kmalloc.h>
#include <string.h>
#include <assert.h>

/* return the process id */
int getpid(struct thread *td, struct getpid_args *uap) {
  #ifdef DEBUG
  kprintf("[%s:%i]",__FILE__,__LINE__);
  #endif
  td->td_retval[0] = _current->id;
  return (0);
  }

/* return the process user id */
int getuid(struct thread *td, struct getuid_args *uap) {
  #ifdef DEBUG
  kprintf("[%s:%i]",__FILE__,__LINE__);
  #endif
  td->td_retval[0] = _current->uid;
  return (0);
  }

/* return the process group id */
int getgid(struct thread *td, struct getgid_args *uap) {
  #ifdef DEBUG
  kprintf("[%s:%i]",__FILE__,__LINE__);
  #endif
  td->td_retval[0] = _current->gid;
  return (0);
  }

int  sys_write(struct thread *td, struct write_args *uap) {
  char *buffer = 0x0;
  char *in     = 0x0;

  #ifdef DEBUG
  kprintf("[%s:%i]",__FILE__,__LINE__);
  #endif
kprintf("sw[%i]",uap->fd);

  if (uap->fd == 2) {
    kprintf("stderr: %s",uap->buf);
    }

  if (uap->fd == 1) {
    in = (char *)uap->buf;
    buffer = kmalloc(1024);
    memcpy(buffer,uap->buf,uap->nbyte);
    kprintf("%s",buffer); 
    kfree(buffer);
    td->td_retval[0] = uap->nbyte;
    }
  else {
    kprintf("[%i]",uap->nbyte);
    buffer = kmalloc(uap->nbyte);
    memcpy(buffer,uap->buf,uap->nbyte);
    //kprint(buffer);
    kfree(buffer);
    kprintf("(%i) %s",uap->fd,uap->buf);
    td->td_retval[0] = uap->nbyte;
    }
  return(0x0);
  }

int issetugid(register struct thread *td, struct issetugid_args *uap) {
  #ifdef DEBUG
  kprintf("[%s:%i]",__FILE__,__LINE__);
  #endif
  td->td_retval[0] = 0;
  return (0);
  }

int readlink(struct thread *td,struct readlink_args *uap) {
  #ifdef DEBUG
  kprintf("[%s:%i]",__FILE__,__LINE__);
  #endif
  kprintf("readlink: [%s:%i]\n",uap->path,uap->count);
  td->td_retval[0] = -1;
  td->td_retval[1] = 0x0;
  return(0x0);
  }

int gettimeofday_new(struct thread *td, struct gettimeofday_args *uap) {
  #ifdef DEBUG
  kprintf("[%s:%i]",__FILE__,__LINE__);
  #endif
  return(0x0);
  }

int read(struct thread *td,struct read_args *uap) {
  int          error = 0x0;
  size_t       count = 0x0;
  struct file *fd    = 0x0;

  #ifdef DEBUG
  kprintf("[%s:%i]",__FILE__,__LINE__);
  #endif

  error = getfd(td,&fd,uap->fd);

  if (error)
    return(error);

  count = fread(uap->buf,uap->nbyte,0x1,fd->fd);
  kprintf("count: %i\n",count);
  td->td_retval[0] = count;

  return(error);
  }

int setitimer(struct thread *td, struct setitimer_args *uap) {
  int error = 0x0;

  return(error);
  }

/***
 END
 ***/

---