dslinux/user/perl/beos beos.c beosish.h nm.c

[cayenne]

Update of /cvsroot/dslinux/dslinux/user/perl/beos
In directory antilope:/tmp/cvs-serv17422/beos

Added Files:
	beos.c beosish.h nm.c 
Log Message:
Adding fresh perl source to HEAD to branch from

--- NEW FILE: beosish.h ---
#ifndef PERL_BEOS_BEOSISH_H
#define PERL_BEOS_BEOSISH_H

#include "../unixish.h"

#undef  waitpid
#define waitpid beos_waitpid

pid_t beos_waitpid(pid_t process_id, int *status_location, int options);

/* This seems to be protoless. */
char *gcvt(double value, int num_digits, char *buffer);

/* flock support, if available */
#ifdef HAS_FLOCK

#include <flock.h>

#undef close
#define close flock_close

#undef dup2
#define dup2 flock_dup2

#endif /* HAS_FLOCK */


#undef kill
#define kill beos_kill
int beos_kill(pid_t pid, int sig);

#undef sigaction
#define sigaction(sig, act, oact) beos_sigaction((sig), (act), (oact))
int beos_sigaction(int sig, const struct sigaction *act,
                   struct sigaction *oact);

#endif


--- NEW FILE: beos.c ---
#include "beos/beosish.h"

#undef waitpid
#undef kill
#undef sigaction

#include <errno.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/wait.h>

#include <OS.h>

/* In BeOS 5.0 the waitpid() seems to misbehave in that the status
 * has the upper and lower bytes swapped compared with the usual
 * POSIX/UNIX implementations.  To undo the surpise effect to the
 * rest of Perl we need this wrapper.  (The rest of BeOS might be
 * surprised because of this, though.) */

pid_t beos_waitpid(pid_t process_id, int *status_location, int options) {
    pid_t got = waitpid(process_id, status_location, options);
    if (status_location)
      *status_location =
	(*status_location & 0x00FF) << 8 |
	(*status_location & 0xFF00) >> 8;
    return got;
}


/* BeOS kill() doesn't like the combination of the pseudo-signal 0 and
 * specifying a process group (i.e. pid < -1 || pid == 0). We work around
 * by changing pid to the respective process group leader. That should work
 * well enough in most cases. */

int beos_kill(pid_t pid, int sig)
{
    if (sig == 0) {
        if (pid == 0) {
            /* it's our process group */
            pid = getpgrp();
        } else if (pid < -1) {
            /* just address the process group leader */
            pid = -pid;
        }
    }

    return kill(pid, sig);
}

/* sigaction() should fail, if trying to ignore or install a signal handler
 * for a signal that cannot be caught or ignored. The BeOS R5 sigaction()
 * doesn't return an error, though. */
int beos_sigaction(int sig, const struct sigaction *act,
                   struct sigaction *oact)
{
    int result = sigaction(sig, act, oact);

    if (result == 0 && act && act->sa_handler != SIG_DFL
        && act->sa_handler != SIG_ERR && (sig == SIGKILL || sig == SIGSTOP)) {
        result = -1;
        errno = EINVAL;
    }

    return result;
}

--- NEW FILE: nm.c ---
/* nm.c - a feeble shared-lib library parser
 * Copyright 1997, 1998 Tom Spindler
 * This software is covered under perl's Artistic license.
 */

/* $Id: nm.c,v 1.2 2006-12-04 16:59:02 dslinux_cayenne Exp $ */

#include <be/kernel/image.h>
#include <malloc.h>
#include <string.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>

main(int argc, char **argv) {
char *path, *symname;
image_id img;
int32 n = 0;
volatile int32 symnamelen, symtype;
void *symloc;

if (argc != 2) { printf("more args, bozo\n"); exit(1); }

path = (void *) malloc((size_t) 2048);
symname = (void *) malloc((size_t) 2048);

if (!getcwd(path, 2048)) { printf("aiee!\n"); exit(1); }
if (!strcat(path, "/"))  {printf("naah.\n"); exit (1); }
/*printf("%s\n",path);*/

if ('/' != argv[1][0]) {
	if (!strcat(path, argv[1])) { printf("feh1\n"); exit(1); }
} else {
	if (!strcpy(path, argv[1])) { printf("gah!\n"); exit(1); }
}
/*printf("%s\n",path);*/

img = load_add_on(path);
if (B_ERROR == img) {printf("Couldn't load_add_on() %s.\n", path); exit(2); }

symnamelen=2047;

while (B_BAD_INDEX != get_nth_image_symbol(img, n++, symname, &symnamelen,
                        &symtype, &symloc)) {
	printf("%s |%s |GLOB %Lx | \n", symname,
         ((B_SYMBOL_TYPE_ANY == symtype) || (B_SYMBOL_TYPE_TEXT == symtype)) ? "FUNC" : "VAR ", symloc);
	symnamelen=2047;
}
printf("number of symbols: %d\n", n);
if (B_ERROR == unload_add_on(img)) {printf("err while closing.\n"); exit(3); }
free(path);
return(0);
}