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* pinfo.h (winpids::pid_access): New element.

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(winpids::winpids): Rejigger to set pinfo_access.
* pinfo.cc (winpids::add): Try to open shared memory region with supplied
pinfo_access first, then default to readonly.
* fhandler_termios.cc (tty_min::kill_pgrp): When getting list of pids to work
with, suggest opening with PID_MAP_RW.
* signal.cc (kill_pgrp): Ditto.
* sigproc.cc (sig_send): Perform a write check on todo prior to attempting to
increment it.  Return EACCES if we can't write to it.
This commit is contained in:
Christopher Faylor
2003-09-17 01:15:56 +00:00
parent 1498189ca8
commit deb648cc8b
7 changed files with 53 additions and 20 deletions
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12
winsup/cygwin/pinfo.h
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@@ -197,6 +197,7 @@ class winpids
DWORD *pidlist;
DWORD npidlist;
pinfo *pinfolist;
DWORD pinfo_access; // access type for pinfo open
DWORD (winpids::* enum_processes) (bool winpid);
DWORD enum_init (bool winpid);
DWORD enumNT (bool winpid);
@@ -207,9 +208,14 @@ public:
DWORD npids;
inline void reset () { npids = 0; release (); }
void set (bool winpid);
winpids (int): enum_processes (&winpids::enum_init) { reset (); }
winpids (): pidlist (NULL), npidlist (0), pinfolist (NULL),
enum_processes (&winpids::enum_init), npids (0) { set (0); }
winpids (int): pinfo_access (0), enum_processes (&winpids::enum_init)
{ reset (); }
winpids (DWORD acc = 0): pidlist (NULL), npidlist (0), pinfolist (NULL),
enum_processes (&winpids::enum_init), npids (0)
{
pinfo_access = acc;
set (0);
}
inline DWORD& winpid (int i) const {return pidlist[i];}
inline _pinfo *operator [] (int i) const {return (_pinfo *) pinfolist[i];}
~winpids ();