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* include/sys/cygwin.h: Rename PID_UNUSED to PID_MAP_RW. 

* pinfo.cc (pinfo_init): Initialize myself->gid.
(pinfo::init): Create the "access" variable, set it appropriately and use it to
specify the requested access.
* exceptions.cc (sig_handle_tty_stop): Add PID_MAP_RW in pinfo parent.
* signal.cc (kill_worker): Ditto for pinfo dest.
* syscalls.cc (setpgid): Ditto for pinfo p.
This commit is contained in:
Christopher Faylor 2003-09-13 17:14:15 +00:00
parent 4442ed9171
commit 276448cf67
6 changed files with 19 additions and 8 deletions
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10
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,13 @@
2003-09-13 Pierre Humblet <pierre.humblet@ieee.org>
* include/sys/cygwin.h: Rename PID_UNUSED to PID_MAP_RW.
* pinfo.cc (pinfo_init): Initialize myself->gid.
(pinfo::init): Create the "access" variable, set it appropriately and
use it to specify the requested access.
* exceptions.cc (sig_handle_tty_stop): Add PID_MAP_RW in pinfo parent.
* signal.cc (kill_worker): Ditto for pinfo dest.
* syscalls.cc (setpgid): Ditto for pinfo p.
2003-09-13 Christopher Faylor <cgf@redhat.com>
* include/cygwin/version.h: Bump DLL minor number to 5.

2
winsup/cygwin/exceptions.cc
View File

@ -614,7 +614,7 @@ sig_handle_tty_stop (int sig)
its list of subprocesses. */
if (my_parent_is_alive ())
{
pinfo parent (myself->ppid);
pinfo parent (myself->ppid, PID_MAP_RW);
if (NOTSTATE (parent, PID_NOCLDSTOP))
sig_send (parent, SIGCHLD);
}

2
winsup/cygwin/include/sys/cygwin.h
View File

@ -89,7 +89,7 @@ enum
PID_ORPHANED = 0x0020, /* Member of an orphaned process group. */
PID_ACTIVE = 0x0040, /* Pid accepts signals. */
PID_CYGPARENT = 0x0080, /* Set if parent was a cygwin app. */
PID_UNUSED = 0x0100, /* ... */
PID_MAP_RW = 0x0100, /* Flag to open map rw. */
PID_MYSELF = 0x0200, /* Flag that pid is me. */
PID_NOCLDSTOP = 0x0400, /* Set if no SIGCHLD signal on stop. */
PID_INITIALIZING = 0x0800, /* Set until ready to receive signals. */

9
winsup/cygwin/pinfo.cc
View File

@ -89,7 +89,7 @@ pinfo_init (char **envp, int envc)
myself->pgid = myself->sid = myself->pid;
myself->ctty = -1;
myself->uid = ILLEGAL_UID;
myself->gid = UNKNOWN_GID;
environ_init (NULL, 0); /* call after myself has been set up */
}
@ -138,6 +138,8 @@ pinfo::init (pid_t n, DWORD flag, HANDLE in_h)
}
int createit = flag & (PID_IN_USE | PID_EXECED);
DWORD access = FILE_MAP_READ
| (flag & (PID_IN_USE | PID_EXECED | PID_MAP_RW) ? FILE_MAP_WRITE : 0);
for (int i = 0; i < 10; i++)
{
int created;
@ -157,7 +159,7 @@ pinfo::init (pid_t n, DWORD flag, HANDLE in_h)
}
else if (!createit)
{
h = OpenFileMappingA (FILE_MAP_READ | FILE_MAP_WRITE, FALSE, mapname);
h = OpenFileMappingA (access, FALSE, mapname);
created = 0;
}
else
@ -175,8 +177,7 @@ pinfo::init (pid_t n, DWORD flag, HANDLE in_h)
return;
}
procinfo = (_pinfo *) MapViewOfFileEx (h, FILE_MAP_READ | FILE_MAP_WRITE,
0, 0, 0, mapaddr);
procinfo = (_pinfo *) MapViewOfFileEx (h, access, 0, 0, 0, mapaddr);
ProtectHandle1 (h, pinfo_shared_handle);
if ((procinfo->process_state & PID_INITIALIZING) && (flag & PID_NOREDIR)

2
winsup/cygwin/signal.cc
View File

@ -173,7 +173,7 @@ kill_worker (pid_t pid, int sig)
sig_dispatch_pending ();
int res = 0;
pinfo dest (pid);
pinfo dest (pid, PID_MAP_RW);
BOOL sendSIGCONT;
if (!dest)

2
winsup/cygwin/syscalls.cc
View File

@ -1961,7 +1961,7 @@ setpgid (pid_t pid, pid_t pgid)
}
else
{
pinfo p (pid);
pinfo p (pid, PID_MAP_RW);
if (!p)
{
set_errno (ESRCH);