libs/newlib-cygwin
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newlib-cygwin
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* dtable.cc (dtable::fixup_after_exec): Close any popen'ed file handles here. 

* fhandler.h (fhandler_*::ispipe): New function.
(fhandler_base::get_popen_pid): Define virtual function.
(fhandler_*::isdevice): Make const.
(fhandler_*::isfifo): Ditto.
This commit is contained in:
Christopher Faylor 2009-08-18 15:21:47 +00:00
parent 4db8460fdb
commit 421ba492fa
3 changed files with 18 additions and 4 deletions
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8
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,11 @@
2009-08-18 Christopher Faylor <me+cygwin@cgf.cx>
* dtable.cc (dtable::fixup_after_exec): Close any popen'ed file handles here.
* fhandler.h (fhandler_*::ispipe): New function.
(fhandler_base::get_popen_pid): Define virtual function.
(fhandler_*::isdevice): Make const.
(fhandler_*::isfifo): Ditto.
2009-08-17 Christopher Faylor <me+cygwin@cgf.cx>
* syscalls.cc (popen): Reorganize slightly for clarity. Fix a comment.

2
winsup/cygwin/dtable.cc
View File

@ -753,6 +753,8 @@ dtable::fixup_after_exec ()
}
release (i);
}
else if (fh->get_popen_pid ())
close (i);
else if (i == 0)
SetStdHandle (std_consts[i], fh->get_io_handle ());
else if (i <= 2)

12
winsup/cygwin/fhandler.h
View File

@ -342,8 +342,10 @@ class fhandler_base
virtual int tcsetpgrp (const pid_t pid);
virtual int tcgetpgrp ();
virtual bool is_tty () const { return false; }
virtual bool isdevice () { return true; }
virtual bool isfifo () { return false; }
virtual bool ispipe () const { return false; }
virtual pid_t get_popen_pid () const {return 0;}
virtual bool isdevice () const { return true; }
virtual bool isfifo () const { return false; }
virtual char *ptsname () { return NULL;}
virtual class fhandler_socket *is_socket () { return NULL; }
virtual class fhandler_console *is_console () { return 0; }
@ -559,6 +561,8 @@ public:
OVERLAPPED *get_overlapped_buffer () {return &io_status;}
void set_overlapped (OVERLAPPED *ov) {overlapped = ov;}
bool ispipe() const { return true; }
void set_popen_pid (pid_t pid) {popen_pid = pid;}
pid_t get_popen_pid () const {return popen_pid;}
_off64_t lseek (_off64_t offset, int whence);
@ -607,7 +611,7 @@ public:
int open (int, mode_t);
int close ();
int dup (fhandler_base *child);
bool isfifo () { return true; }
bool isfifo () const { return true; }
void set_close_on_exec (bool val);
int __stdcall fstatvfs (struct statvfs *buf) __attribute__ ((regparm (2)));
OVERLAPPED *get_overlapped () {return &io_status;}
@ -723,7 +727,7 @@ class fhandler_disk_file: public fhandler_base
int open (int flags, mode_t mode);
int lock (int, struct __flock64 *);
bool isdevice () { return false; }
bool isdevice () const { return false; }
int __stdcall fstat (struct __stat64 *buf) __attribute__ ((regparm (2)));
int __stdcall fchmod (mode_t mode) __attribute__ ((regparm (1)));
int __stdcall fchown (__uid32_t uid, __gid32_t gid) __attribute__ ((regparm (2)));