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Cygwin: dsp: Fix a problem that fcntl() does not take effect. 

Previously, fhandler_dev_dsp (OSS) has a problem that fcntl() does
not take effect at all. This patch fixes the issue.

Signed-off-by: Takashi Yano <takashi.yano@nifty.ne.jp>
Reviewed-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Takashi Yano 2023-01-19 22:02:47 +09:00
parent 3c2ac163da
commit 9522166db1
2 changed files with 14 additions and 0 deletions
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12
winsup/cygwin/fhandler/dsp.cc
View File

@ -1038,6 +1038,12 @@ fhandler_dev_dsp::ioctl (unsigned int cmd, void *buf)
return base ()->_ioctl (cmd, buf);
}
int
fhandler_dev_dsp::fcntl (int cmd, intptr_t arg)
{
return base ()->_fcntl (cmd, arg);
}
void
fhandler_dev_dsp::fixup_after_fork (HANDLE parent)
{
@ -1417,6 +1423,12 @@ fhandler_dev_dsp::_ioctl (unsigned int cmd, void *buf)
}
}
int
fhandler_dev_dsp::_fcntl (int cmd, intptr_t arg)
{
return fhandler_base::fcntl(cmd, arg);
}
void
fhandler_dev_dsp::_fixup_after_fork (HANDLE parent)
{ // called from new child process

2
winsup/cygwin/local_includes/fhandler.h
View File

@ -2770,6 +2770,7 @@ class fhandler_dev_dsp: public fhandler_base
ssize_t write (const void *, size_t);
void read (void *, size_t&);
int ioctl (unsigned int, void *);
int fcntl (int cmd, intptr_t);
int close ();
void fixup_after_fork (HANDLE);
void fixup_after_exec ();
@ -2778,6 +2779,7 @@ class fhandler_dev_dsp: public fhandler_base
ssize_t _write (const void *, size_t);
void _read (void *, size_t&);
int _ioctl (unsigned int, void *);
int _fcntl (int cmd, intptr_t);
void _fixup_after_fork (HANDLE);
void _fixup_after_exec ();