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* fhandler.h (fhandler_dev_raw): Add definition for method

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`fixup_after_fork'.
        * fhandler_raw.cc (fhandler_dev_raw::fhandler_dev_raw): Add
        `set_need_fixup_after_fork' call.
        (fhandler_dev_raw::~fhandler_dev_raw): Revert to user space
        allocation.
        (fhandler_dev_raw::open): Ditto.
        (fhandler_dev_raw::dup): Ditto. Reset buffer pointer.
        (fhandler_dev_raw::fixup_after_fork): New function.
        * fhandler_tape.cc (fhandler_dev_tape::open): Revert to user space
        memory allocation.
        (fhandler_dev_tape::ioctl): Ditto. Change behaviour on MTSETBLK when
        new size is 1.
This commit is contained in:
Corinna Vinschen
2000-10-31 22:20:59 +00:00
parent 8e32a18e79
commit 7cccedf8de
4 changed files with 47 additions and 19 deletions
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14
winsup/cygwin/fhandler_tape.cc
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@@ -89,7 +89,7 @@ fhandler_dev_tape::open (const char *path, int flags, mode_t)
varblkop = get.mt_dsreg == 0;
if (devbufsiz > 1L)
devbuf = (char *) cmalloc (HEAP_BUF, devbufsiz);
devbuf = new char [devbufsiz];
/* The following rewind in position 0 solves a problem which appears
* in case of multi volume archives: The last ReadFile on first medium
@@ -349,20 +349,22 @@ fhandler_dev_tape::ioctl (unsigned int cmd, void *buf)
size = get.mt_maxblksize;
ret = NO_ERROR;
}
char *buf = (char *) cmalloc (HEAP_BUF, size);
if (!buf)
char *buf = NULL;
if (size > 1L && !(buf = new char [size]))
{
ret = ERROR_OUTOFMEMORY;
break;
}
if (devbuf)
if (devbufsiz > 1L && size > 1L)
{
memcpy(buf,devbuf + devbufstart, devbufend - devbufstart);
memcpy(buf, devbuf + devbufstart,
devbufend - devbufstart);
devbufend -= devbufstart;
cfree (devbuf);
}
else
devbufend = 0;
if (devbufsiz > 1L)
delete [] devbuf;
devbufstart = 0;
devbuf = buf;
devbufsiz = size;