7929041ebe
fully registered. (This is the second try, the first import ignored .info files but not .info-* files, for some reason. I'm going to make this consistent.) Reviewed by: core Approved for: 2.2
1011 lines
20 KiB
C
1011 lines
20 KiB
C
/* MPW-Unix compatibility library.
|
|
Copyright (C) 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
|
|
|
|
This file is part of the libiberty library.
|
|
Libiberty is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2 of the License, or (at your option) any later version.
|
|
|
|
Libiberty is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with libiberty; see the file COPYING.LIB. If
|
|
not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
/* This should only be compiled and linked under MPW. */
|
|
|
|
#include "mpw.h"
|
|
|
|
#include <stdlib.h>
|
|
|
|
#ifndef USE_MW_HEADERS
|
|
#include <sys/time.h>
|
|
#include <sys/resource.h>
|
|
#endif
|
|
|
|
#include <Types.h>
|
|
#include <Files.h>
|
|
|
|
#include <Timer.h>
|
|
|
|
/* Initialize to 0 at first, then set to errno_max() later. */
|
|
|
|
int sys_nerr = 0;
|
|
|
|
/* Debug flag for pathname hacking. Set this to one and rebuild. */
|
|
|
|
int DebugPI = 0;
|
|
|
|
void
|
|
mpwify_filename(char *unixname, char *macname)
|
|
{
|
|
int i, j, in_middle, terminate = 0;
|
|
|
|
/* (should truncate 255 chars from end of name, not beginning) */
|
|
if (strlen (unixname) > 255)
|
|
{
|
|
fprintf (stderr, "Pathname \"%s\" is too long for Macs, truncating\n",
|
|
unixname);
|
|
terminate = 1;
|
|
}
|
|
/* Abs Unix path to abs Mac path. */
|
|
if (*unixname == '/')
|
|
{
|
|
if (strncmp (unixname, "/tmp/", 5) == 0)
|
|
{
|
|
/* A temporary name, make a more Mac-flavored tmpname. */
|
|
/* A better choice would be {Boot}Trash:foo, but that would
|
|
require being able to identify the boot disk's and trashcan's
|
|
name. Another option would be to have an env var, so user
|
|
can point it at a ramdisk. */
|
|
strncpy (macname, unixname, 255);
|
|
if (terminate)
|
|
macname[255] = '\0';
|
|
macname[0] = ':';
|
|
macname[4] = '_';
|
|
}
|
|
else
|
|
{
|
|
/* Assume that the leading component is a valid disk name. */
|
|
strncpy (macname, unixname + 1, 255);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* If this is a "Unix-only" pathname, assume relative. */
|
|
if (strchr (unixname, '/') && ! strchr (unixname, ':'))
|
|
{
|
|
macname[0] = ':';
|
|
strncpy (macname + 1, unixname, 255);
|
|
}
|
|
else
|
|
{
|
|
/* Otherwise copy it verbatim. */
|
|
/* ... but if of the form ":/foo", lose the extra colon;
|
|
the slash will be made into a colon shortly. */
|
|
if (unixname[0] == ':' && unixname[1] == '/')
|
|
++unixname;
|
|
strncpy (macname, unixname, 255);
|
|
}
|
|
}
|
|
if (terminate)
|
|
macname[255] = '\0';
|
|
for (i = 0; macname[i] != '\0'; ++i)
|
|
{
|
|
if (macname[i] == '/')
|
|
macname[i] = ':';
|
|
}
|
|
in_middle = 0;
|
|
j = 0;
|
|
for (i = 0; macname[i] != '\0'; ++i)
|
|
{
|
|
/* We're in the middle of the name when a char is not a colon. */
|
|
if (macname[i] != ':')
|
|
in_middle = 1;
|
|
/* Copy chars verbatim, *unless* the char is the first of a pair
|
|
of colons in the middle of a pathname. */
|
|
if (!(in_middle && macname[i] == ':' && macname[i+1] == ':'))
|
|
macname[j++] = macname[i];
|
|
}
|
|
macname[j] = '\0';
|
|
/* If we have a trailing ":.", make it into a ":". */
|
|
if (j >= 2 && macname[j-2] == ':' && macname[j-1] == '.')
|
|
macname[j-1] = '\0';
|
|
if (DebugPI)
|
|
{
|
|
fprintf (stderr, "# Made \"%s\"\n", unixname);
|
|
fprintf (stderr, "# into \"%s\"\n", macname);
|
|
}
|
|
}
|
|
|
|
/* MPW-flavored basename finder. */
|
|
|
|
char *
|
|
mpw_basename (name)
|
|
char *name;
|
|
{
|
|
char *base = name;
|
|
|
|
while (*name)
|
|
{
|
|
if (*name++ == ':')
|
|
{
|
|
base = name;
|
|
}
|
|
}
|
|
return base;
|
|
}
|
|
|
|
/* Mixed MPW/Unix basename finder. This can be led astray by
|
|
filenames with slashes in them and come up with a basename that
|
|
either corresponds to no file or (worse) to some other file, so
|
|
should only be tried if other methods of finding a file via a
|
|
basename have failed. */
|
|
|
|
char *
|
|
mpw_mixed_basename (name)
|
|
char *name;
|
|
{
|
|
char *base = name;
|
|
|
|
while (*name)
|
|
{
|
|
if (*name == '/' || *name == ':')
|
|
{
|
|
base = name + 1;
|
|
}
|
|
++name;
|
|
}
|
|
return base;
|
|
}
|
|
|
|
/* This function is fopen() modified to create files that are type TEXT
|
|
or 'BIN ', and always of type 'MPS '. */
|
|
|
|
FILE *
|
|
mpw_fopen (char *name, char *mode)
|
|
{
|
|
#undef fopen
|
|
int errnum;
|
|
FILE *fp;
|
|
char tmpname[256];
|
|
|
|
mpwify_filename (name, tmpname);
|
|
PROGRESS (1);
|
|
fp = fopen (tmpname, mode);
|
|
errnum = errno;
|
|
|
|
/* If writing, need to set type and creator usefully. */
|
|
if (strchr (mode, 'w'))
|
|
{
|
|
char *pname = (char *) malloc (strlen (tmpname) + 2);
|
|
OSErr e;
|
|
struct FInfo fi;
|
|
|
|
pname[0] = strlen (tmpname);
|
|
strcpy (pname+1, tmpname);
|
|
|
|
e = GetFInfo ((ConstStr255Param) pname, 0, &fi);
|
|
/* should do spiffier error handling */
|
|
if (e != 0)
|
|
fprintf(stderr, "GetFInfo returns %d\n", e);
|
|
if (strchr (mode, 'b'))
|
|
{
|
|
fi.fdType = (OSType) 'BIN ';
|
|
}
|
|
else
|
|
{
|
|
fi.fdType = (OSType) 'TEXT';
|
|
}
|
|
fi.fdCreator = (OSType) 'MPS ';
|
|
e = SetFInfo ((ConstStr255Param) pname, 0, &fi);
|
|
if (e != 0)
|
|
fprintf(stderr, "SetFInfo returns %d\n", e);
|
|
free (pname);
|
|
}
|
|
if (fp == NULL)
|
|
errno = errnum;
|
|
return fp;
|
|
}
|
|
|
|
/* This is a version of fseek() modified to fill the file with zeros
|
|
if seeking past the end of it. */
|
|
|
|
#define ZEROBLKSIZE 4096
|
|
|
|
char zeros[ZEROBLKSIZE];
|
|
|
|
int
|
|
mpw_fseek (FILE *fp, int offset, int whence)
|
|
{
|
|
#undef fseek
|
|
int cursize, numleft;
|
|
|
|
PROGRESS (1);
|
|
if (whence == SEEK_SET)
|
|
{
|
|
fseek (fp, 0, SEEK_END);
|
|
cursize = ftell (fp);
|
|
if (offset > cursize)
|
|
{
|
|
numleft = offset - cursize;
|
|
while (numleft > ZEROBLKSIZE)
|
|
{
|
|
/* This might fail, should check for that. */
|
|
PROGRESS (1);
|
|
fwrite (zeros, 1, ZEROBLKSIZE, fp);
|
|
numleft -= ZEROBLKSIZE;
|
|
}
|
|
PROGRESS (1);
|
|
fwrite (zeros, 1, numleft, fp);
|
|
fflush (fp);
|
|
}
|
|
}
|
|
return fseek (fp, offset, whence);
|
|
}
|
|
|
|
int
|
|
mpw_fread (char *ptr, int size, int nitems, FILE *stream)
|
|
{
|
|
#undef fread
|
|
int rslt;
|
|
|
|
PROGRESS (1);
|
|
rslt = fread (ptr, size, nitems, stream);
|
|
PROGRESS (1);
|
|
return rslt;
|
|
}
|
|
|
|
int
|
|
mpw_fwrite (char *ptr, int size, int nitems, FILE *stream)
|
|
{
|
|
#undef fwrite
|
|
int rslt;
|
|
|
|
PROGRESS (1);
|
|
rslt = fwrite (ptr, size, nitems, stream);
|
|
PROGRESS (1);
|
|
return rslt;
|
|
}
|
|
|
|
int
|
|
link ()
|
|
{
|
|
fprintf (stderr, "link not available!\n");
|
|
mpw_abort ();
|
|
}
|
|
|
|
int
|
|
fork ()
|
|
{
|
|
fprintf (stderr, "fork not available!\n");
|
|
mpw_abort ();
|
|
}
|
|
|
|
int
|
|
vfork ()
|
|
{
|
|
fprintf (stderr, "vfork not available!\n");
|
|
mpw_abort ();
|
|
return (-1);
|
|
}
|
|
|
|
int
|
|
pipe (int *fd)
|
|
{
|
|
fprintf (stderr, "pipe not available!\n");
|
|
mpw_abort ();
|
|
return (-1);
|
|
}
|
|
|
|
#ifndef USE_MW_HEADERS
|
|
int
|
|
execvp (char *file, char **argv)
|
|
{
|
|
fprintf (stderr, "execvp not available!\n");
|
|
mpw_abort ();
|
|
return (-1);
|
|
}
|
|
|
|
int
|
|
execv (char *path, char **argv)
|
|
{
|
|
fprintf (stderr, "execv not available!\n");
|
|
mpw_abort ();
|
|
return (-1);
|
|
}
|
|
#endif
|
|
|
|
int
|
|
kill (int pid, int sig)
|
|
{
|
|
fprintf (stderr, "kill not available!\n");
|
|
mpw_abort ();
|
|
return (-1);
|
|
}
|
|
|
|
int
|
|
wait (int *status)
|
|
{
|
|
*status = 0;
|
|
return 0;
|
|
}
|
|
|
|
#ifndef USE_MW_HEADERS
|
|
int
|
|
sleep (int seconds)
|
|
{
|
|
unsigned long start_time, now;
|
|
|
|
time (&start_time);
|
|
|
|
while (1)
|
|
{
|
|
PROGRESS (1);
|
|
time (&now);
|
|
if (now > start_time + seconds)
|
|
return 0;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
void
|
|
putenv (char *str)
|
|
{
|
|
/* The GCC driver calls this to do things for collect2, but we
|
|
don't care about collect2. */
|
|
}
|
|
|
|
int
|
|
chmod (char *path, int mode)
|
|
{
|
|
/* Pretend it was all OK. */
|
|
return 0;
|
|
}
|
|
|
|
#ifndef USE_MW_HEADERS
|
|
int
|
|
getuid ()
|
|
{
|
|
/* One value is as good as another... */
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
getgid ()
|
|
{
|
|
/* One value is as good as another... */
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
/* Instead of coredumping, which is not a normal Mac facility, we
|
|
drop into Macsbug. If we then "g" from Macsbug, the program will
|
|
exit cleanly. */
|
|
|
|
void
|
|
mpw_abort ()
|
|
{
|
|
/* Make sure no output still buffered up, then zap into MacsBug. */
|
|
fflush(stdout);
|
|
fflush(stderr);
|
|
printf("## Abort! ##\n");
|
|
#ifdef MPW_SADE
|
|
SysError(8005);
|
|
#else
|
|
Debugger();
|
|
#endif
|
|
/* "g" in MacsBug will then cause a regular error exit. */
|
|
exit (1);
|
|
}
|
|
|
|
/* Imitation getrusage based on the ANSI clock() function. */
|
|
|
|
int
|
|
getrusage (int who, struct rusage *rusage)
|
|
{
|
|
int clk = clock ();
|
|
|
|
#if 0
|
|
rusage->ru_utime.tv_sec = clk / CLOCKS_PER_SEC;
|
|
rusage->ru_utime.tv_usec = ((clk * 1000) / CLOCKS_PER_SEC) * 1000;
|
|
rusage->ru_stime.tv_sec = 0;
|
|
rusage->ru_stime.tv_usec = 0;
|
|
#endif
|
|
}
|
|
|
|
int
|
|
sbrk ()
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
#ifndef USE_MW_HEADERS
|
|
int
|
|
isatty (int fd)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
/* This is inherited from Timothy Murray's Posix library. */
|
|
|
|
#include "utime.h"
|
|
|
|
int
|
|
utime (char *filename, struct utimbuf *times)
|
|
{
|
|
CInfoPBRec cipbr;
|
|
HFileInfo *fpb = (HFileInfo *) &cipbr;
|
|
DirInfo *dpb = (DirInfo *) &cipbr;
|
|
unsigned char pname[256];
|
|
short err;
|
|
|
|
strcpy ((char *) pname, filename);
|
|
c2pstr (pname);
|
|
|
|
dpb->ioDrDirID = 0L;
|
|
fpb->ioNamePtr = pname;
|
|
fpb->ioVRefNum = 0;
|
|
fpb->ioFDirIndex = 0;
|
|
fpb->ioFVersNum = 0;
|
|
err = PBGetCatInfo (&cipbr, 0);
|
|
if (err != noErr) {
|
|
errno = ENOENT;
|
|
return -1;
|
|
}
|
|
dpb->ioDrDirID = 0L;
|
|
fpb->ioFlMdDat = times->modtime;
|
|
fpb->ioFlCrDat = times->actime;
|
|
err = PBSetCatInfo (&cipbr, 0);
|
|
if (err != noErr) {
|
|
errno = EACCES;
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
mkdir (char *path, int mode)
|
|
{
|
|
errno = ENOSYS;
|
|
return -1;
|
|
}
|
|
|
|
int
|
|
rmdir ()
|
|
{
|
|
errno = ENOSYS;
|
|
return -1;
|
|
}
|
|
#endif
|
|
|
|
chown ()
|
|
{
|
|
errno = ENOSYS;
|
|
return -1;
|
|
}
|
|
|
|
char *myenviron[] = {NULL};
|
|
|
|
char **environ = myenviron;
|
|
|
|
#ifndef USE_MW_HEADERS
|
|
|
|
/* Minimal 'stat' emulation: tells directories from files and
|
|
gives length and mtime.
|
|
|
|
Derived from code written by Guido van Rossum, CWI, Amsterdam
|
|
and placed by him in the public domain. */
|
|
|
|
extern int __uid, __gid;
|
|
|
|
int __uid = 0;
|
|
int __gid = 0;
|
|
|
|
/* Bits in ioFlAttrib: */
|
|
#define LOCKBIT (1<<0) /* File locked */
|
|
#define DIRBIT (1<<4) /* It's a directory */
|
|
|
|
/* Macified "stat" in which filename is given relative to a directory,
|
|
specified by long DirID. */
|
|
|
|
static int
|
|
_stat (char *name, long dirid, struct stat *buf)
|
|
{
|
|
CInfoPBRec cipbr;
|
|
HFileInfo *fpb = (HFileInfo*) &cipbr;
|
|
DirInfo *dpb = (DirInfo*) &cipbr;
|
|
Str255 pname;
|
|
short err;
|
|
|
|
/* Make a temp copy of the name and pascalize. */
|
|
strcpy ((char *) pname, name);
|
|
c2pstr (pname);
|
|
|
|
cipbr.dirInfo.ioDrDirID = dirid;
|
|
cipbr.hFileInfo.ioNamePtr = pname;
|
|
cipbr.hFileInfo.ioVRefNum = 0;
|
|
cipbr.hFileInfo.ioFDirIndex = 0;
|
|
cipbr.hFileInfo.ioFVersNum = 0;
|
|
err = PBGetCatInfo (&cipbr, 0);
|
|
if (err != noErr)
|
|
{
|
|
errno = ENOENT;
|
|
return -1;
|
|
}
|
|
/* Mac files are readable if they can be accessed at all. */
|
|
buf->st_mode = 0444;
|
|
/* Mark unlocked files as writeable. */
|
|
if (!(fpb->ioFlAttrib & LOCKBIT))
|
|
buf->st_mode |= 0222;
|
|
if (fpb->ioFlAttrib & DIRBIT)
|
|
{
|
|
/* Mark directories as "executable". */
|
|
buf->st_mode |= 0111 | S_IFDIR;
|
|
buf->st_size = dpb->ioDrNmFls;
|
|
buf->st_rsize = 0;
|
|
}
|
|
else
|
|
{
|
|
buf->st_mode |= S_IFREG;
|
|
/* Mark apps as "executable". */
|
|
if (fpb->ioFlFndrInfo.fdType == 'APPL')
|
|
buf->st_mode |= 0111;
|
|
/* Fill in the sizes of data and resource forks. */
|
|
buf->st_size = fpb->ioFlLgLen;
|
|
buf->st_rsize = fpb->ioFlRLgLen;
|
|
}
|
|
/* Fill in various times. */
|
|
buf->st_atime = fpb->ioFlCrDat;
|
|
buf->st_mtime = fpb->ioFlMdDat;
|
|
buf->st_ctime = fpb->ioFlCrDat;
|
|
/* Set up an imitation inode number. */
|
|
buf->st_ino = (unsigned short) fpb->ioDirID;
|
|
/* Set up an imitation device. */
|
|
GetVRefNum (buf->st_ino, &buf->st_dev);
|
|
buf->st_uid = __uid;
|
|
buf->st_gid = __gid;
|
|
/* buf->st_FlFndrInfo = fpb->ioFlFndrInfo; */
|
|
return 0;
|
|
}
|
|
|
|
/* stat() sets up an empty dirid. */
|
|
|
|
int
|
|
stat (char *path, struct stat *buf)
|
|
{
|
|
long rslt, errnum;
|
|
char tmpname[256];
|
|
|
|
mpwify_filename (path, tmpname);
|
|
if (DebugPI)
|
|
fprintf (stderr, "# stat (%s, %x)", tmpname, buf);
|
|
PROGRESS (1);
|
|
rslt = _stat (tmpname, 0L, buf);
|
|
errnum = errno;
|
|
if (DebugPI)
|
|
{
|
|
fprintf (stderr, " -> %d", rslt);
|
|
if (rslt != 0)
|
|
fprintf (stderr, " (errno is %d)", errnum);
|
|
fprintf (stderr, "\n");
|
|
fflush (stderr);
|
|
}
|
|
if (rslt != 0)
|
|
errno = errnum;
|
|
return rslt;
|
|
}
|
|
|
|
int
|
|
fstat (int fd, struct stat *buf)
|
|
{
|
|
FCBPBRec fcb;
|
|
FILE *fp;
|
|
Str255 pathname;
|
|
long dirid = 0L, temp;
|
|
long rslt, errnum;
|
|
short err;
|
|
|
|
if (DebugPI)
|
|
fprintf (stderr, "# fstat (%d, %x)", fd, buf);
|
|
PROGRESS (1);
|
|
pathname[0] = 0;
|
|
#ifdef FIOFNAME
|
|
/* Use an MPW-specific ioctl to get the pathname associated with
|
|
the file descriptor. */
|
|
ioctl (fd, FIOFNAME, (long *) pathname);
|
|
#else
|
|
you lose
|
|
#endif
|
|
if (DebugPI)
|
|
fprintf (stderr, " (name is %s)", pathname);
|
|
dirid = 0L /* fcb.ioFCBParID */ ;
|
|
rslt = _stat ((char *) pathname, dirid, buf);
|
|
errnum = errno;
|
|
if (DebugPI)
|
|
{
|
|
fprintf (stderr, " -> %d", rslt);
|
|
if (rslt != 0)
|
|
fprintf (stderr, " (errno is %d)", errnum);
|
|
fprintf (stderr, "\n");
|
|
fflush (stderr);
|
|
}
|
|
if (rslt != 0)
|
|
errno = errnum;
|
|
return rslt;
|
|
}
|
|
|
|
#endif /* n USE_MW_HEADERS */
|
|
|
|
chdir ()
|
|
{
|
|
errno = ENOSYS;
|
|
return (-1);
|
|
}
|
|
|
|
char *
|
|
getcwd (char *buf, int size)
|
|
{
|
|
if (buf == NULL)
|
|
buf = (char *) malloc (size);
|
|
strcpy(buf, ":");
|
|
return buf;
|
|
}
|
|
|
|
/* This should probably be more elaborate for MPW. */
|
|
|
|
char *
|
|
getpwd ()
|
|
{
|
|
return ":";
|
|
}
|
|
|
|
int
|
|
mpw_open (char *filename, int arg2, int arg3)
|
|
{
|
|
#undef open
|
|
int fd, errnum = 0;
|
|
char tmpname[256];
|
|
|
|
mpwify_filename (filename, tmpname);
|
|
fd = open (tmpname, arg2);
|
|
errnum = errno;
|
|
|
|
if (DebugPI)
|
|
{
|
|
fprintf (stderr, "# open (%s, %d, %d)", tmpname, arg2, arg3);
|
|
fprintf (stderr, " -> %d", fd);
|
|
if (fd == -1)
|
|
fprintf (stderr, " (errno is %d)", errnum);
|
|
fprintf (stderr, "\n");
|
|
}
|
|
if (fd == -1)
|
|
errno = errnum;
|
|
return fd;
|
|
}
|
|
|
|
int
|
|
mpw_access (char *filename, unsigned int cmd)
|
|
{
|
|
#undef access
|
|
|
|
int rslt, errnum = 0;
|
|
struct stat st;
|
|
char tmpname[256];
|
|
|
|
mpwify_filename (filename, tmpname);
|
|
if (cmd & R_OK || cmd & X_OK)
|
|
{
|
|
rslt = stat (tmpname, &st);
|
|
errnum = errno;
|
|
if (rslt >= 0)
|
|
{
|
|
if (((st.st_mode & 004 == 0) && (cmd & R_OK))
|
|
|| ((st.st_mode & 002 == 0) && (cmd & W_OK))
|
|
|| ((st.st_mode & 001 == 0) && (cmd & X_OK)))
|
|
{
|
|
rslt = -1;
|
|
errnum = EACCES;
|
|
}
|
|
}
|
|
}
|
|
if (DebugPI)
|
|
{
|
|
fprintf (stderr, "# mpw_access (%s, %d)", tmpname, cmd);
|
|
fprintf (stderr, " -> %d", rslt);
|
|
if (rslt != 0)
|
|
fprintf (stderr, " (errno is %d)", errnum);
|
|
fprintf (stderr, "\n");
|
|
}
|
|
if (rslt != 0)
|
|
errno = errnum;
|
|
return rslt;
|
|
}
|
|
|
|
/* The MPW library creat() has no mode argument. */
|
|
|
|
int
|
|
mpw_creat (char *path, /* mode_t */ int mode)
|
|
{
|
|
#undef creat
|
|
|
|
#ifdef USE_MW_HEADERS
|
|
return creat (path, mode);
|
|
#else
|
|
return creat (path);
|
|
#endif
|
|
}
|
|
|
|
/* This is a hack to get control in an MPW tool before it crashes the
|
|
machine. */
|
|
|
|
mpw_special_init (name)
|
|
char *name;
|
|
{
|
|
if (strstr (name, "DEBUG"))
|
|
DebugStr("\pat beginning of program");
|
|
}
|
|
|
|
static int current_umask;
|
|
|
|
int
|
|
umask(int mask)
|
|
{
|
|
int oldmask = current_umask;
|
|
|
|
current_umask = mask;
|
|
return oldmask;
|
|
}
|
|
|
|
/* Cursor-spinning stuff that includes metering of spin rate and delays. */
|
|
|
|
/* Nonzero when cursor spinning has been set up properly. */
|
|
|
|
int cursor_inited;
|
|
|
|
/* Nonzero if spin should be measured and excessive delays reported. */
|
|
|
|
int measure_spin;
|
|
|
|
/* Nonzero if spin histogram and rate data should be written out. */
|
|
|
|
int dump_spin_data;
|
|
|
|
long warning_threshold = 400000;
|
|
|
|
long bucket_size = 1024;
|
|
|
|
long bucket_power = 10;
|
|
|
|
long numbuckets = 300;
|
|
|
|
int *delay_counts;
|
|
|
|
int overflow_count;
|
|
|
|
char *current_progress;
|
|
|
|
static UnsignedWide last_microseconds;
|
|
|
|
static char *last_spin_file = "";
|
|
|
|
static int last_spin_line;
|
|
|
|
void
|
|
warn_if_spin_delay (char *file, int line)
|
|
{
|
|
long diff, ix;
|
|
UnsignedWide now;
|
|
|
|
Microseconds(&now);
|
|
|
|
diff = now.lo - last_microseconds.lo;
|
|
|
|
if (diff > warning_threshold)
|
|
fprintf (stderr, "# %s: %ld.%06ld sec delay getting from %s:%d to %s:%d\n",
|
|
(current_progress ? current_progress : ""),
|
|
diff / 1000000, diff % 1000000,
|
|
last_spin_file, last_spin_line, file, line);
|
|
if (dump_spin_data)
|
|
{
|
|
if (diff >= 0)
|
|
{
|
|
ix = diff >> bucket_power;
|
|
if (ix >= 0 && ix < numbuckets && delay_counts != NULL)
|
|
++delay_counts[ix];
|
|
else
|
|
++overflow_count;
|
|
}
|
|
else
|
|
fprintf (stderr, "raw diff is %ld (?)\n", diff);
|
|
}
|
|
}
|
|
|
|
void
|
|
record_for_spin_delay (char *file, int line)
|
|
{
|
|
Microseconds (&last_microseconds);
|
|
last_spin_file = file;
|
|
last_spin_line = line;
|
|
}
|
|
|
|
void
|
|
mpw_start_progress (char *str, int n, char *file, int line)
|
|
{
|
|
int i;
|
|
char *measure, *threshold;
|
|
|
|
if (!cursor_inited)
|
|
{
|
|
InitCursorCtl (nil);
|
|
cursor_inited = 1;
|
|
record_for_spin_delay (file, line);
|
|
measure = getenv ("MEASURE_SPIN");
|
|
if (measure != NULL && measure[0] != '\0')
|
|
{
|
|
measure_spin = 1;
|
|
if (strcmp (measure, "all") == 0)
|
|
dump_spin_data = 1;
|
|
}
|
|
threshold = getenv ((const char *) "SPIN_WARN_THRESHOLD");
|
|
if (threshold != NULL && threshold[0] != '\0')
|
|
warning_threshold = atol (threshold);
|
|
if (dump_spin_data)
|
|
{
|
|
if (delay_counts == NULL)
|
|
delay_counts = (int *) malloc (numbuckets * sizeof (int));
|
|
for (i = 0; i < numbuckets; ++i)
|
|
delay_counts[i] = 0;
|
|
overflow_count = 0;
|
|
}
|
|
}
|
|
current_progress = str;
|
|
|
|
sys_nerr = errno_max ();
|
|
|
|
mpw_special_init (str);
|
|
}
|
|
|
|
void
|
|
mpw_progress (int n)
|
|
{
|
|
SpinCursor (32);
|
|
}
|
|
|
|
void
|
|
mpw_progress_measured (int n, char *file, int line)
|
|
{
|
|
if (measure_spin)
|
|
warn_if_spin_delay (file, line);
|
|
SpinCursor (32);
|
|
if (measure_spin)
|
|
record_for_spin_delay (file, line);
|
|
}
|
|
|
|
void
|
|
mpw_end_progress (char *str, char *file, int line)
|
|
{
|
|
long i, delay, count = 0, sum = 0, avgdelay, spinrate;
|
|
long curpower = 0, curgroup = 0;
|
|
|
|
/* Warn if it's been a while since the last spin. */
|
|
if (measure_spin)
|
|
warn_if_spin_delay (file, line);
|
|
|
|
/* Dump all the nonzero delay counts and an approximation of the delay. */
|
|
if (dump_spin_data && delay_counts != NULL)
|
|
{
|
|
for (i = 0; i < numbuckets; ++i)
|
|
{
|
|
delay = (i + 1) * bucket_size;
|
|
sum += delay_counts[i] * (i + 1);
|
|
count += delay_counts[i];
|
|
if (delay <= (1 << curpower))
|
|
{
|
|
curgroup += delay_counts[i];
|
|
}
|
|
else
|
|
{
|
|
if (curgroup > 0)
|
|
fprintf (stderr,
|
|
"# %s: %d delays between %ld.%06ld and %ld.%06ld sec\n",
|
|
(str ? str : ""),
|
|
curgroup,
|
|
(1 << curpower) / 1000000,
|
|
(1 << curpower) % 1000000,
|
|
(1 << (curpower + 1)) / 1000000,
|
|
(1 << (curpower + 1)) % 1000000);
|
|
++curpower;
|
|
curgroup = 0;
|
|
}
|
|
}
|
|
if (count > 0)
|
|
{
|
|
avgdelay = (sum * bucket_size) / count;
|
|
spinrate = 1000000 / avgdelay;
|
|
fprintf (stderr, "# %s: Average spin rate is %d times/sec\n",
|
|
(str ? str : ""), spinrate);
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef PROGRESS_TEST
|
|
|
|
/* Test program. */
|
|
|
|
main ()
|
|
{
|
|
int i, j;
|
|
double x = 1.0, y = 2.4;
|
|
long start = Microseconds (), tm; FIXME
|
|
|
|
START_PROGRESS ("hi", 0);
|
|
|
|
for (i = 0; i < 1000; ++i)
|
|
{
|
|
PROGRESS (1);
|
|
|
|
for (j = 0; j < (i * 100); ++j)
|
|
{
|
|
x += (x * y) / j;
|
|
}
|
|
}
|
|
|
|
END_PROGRESS ("hi");
|
|
|
|
tm = Microseconds () - start;
|
|
|
|
printf ("Total time is %d.%d secs\n", tm / 1000000, tm % 1000000);
|
|
}
|
|
|
|
#endif
|
|
|
|
#ifdef USE_MW_HEADERS
|
|
/* Empty definitions for Metrowerks' SIOUX console library. */
|
|
|
|
#ifndef __CONSOLE__
|
|
#include <console.h>
|
|
#endif
|
|
|
|
short
|
|
InstallConsole(short fd)
|
|
{
|
|
#pragma unused (fd)
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
RemoveConsole(void)
|
|
{
|
|
}
|
|
|
|
long
|
|
WriteCharsToConsole(char *buf, long n)
|
|
{
|
|
#pragma unused (buf, n)
|
|
return 0;
|
|
}
|
|
|
|
long ReadCharsFromConsole(char *buf, long n)
|
|
{
|
|
#pragma unused (buf, n)
|
|
return 0;
|
|
}
|
|
|
|
extern char *
|
|
__ttyname(long fd)
|
|
{
|
|
static char *__devicename = "null device";
|
|
|
|
if (fd >= 0 && fd <= 2)
|
|
return (__devicename);
|
|
return NULL;
|
|
}
|
|
|
|
#endif
|