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* sigproc.cc (mychild): New function. 

(proc_subproc): Use mychild() to determine if a specific pid is valid for
wait()ing.
This commit is contained in:
Christopher Faylor 2000-09-02 01:19:58 +00:00
parent 837528aa51
commit 0ef7862533
2 changed files with 25 additions and 7 deletions
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6
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,9 @@
Fri Sep 1 21:17:03 2000 Christopher Faylor <cgf@cygnus.com>
* sigproc.cc (mychild): New function.
(proc_subproc): Use mychild() to determine if a specific pid is valid
for wait()ing.
Fri Sep 1 16:57:44 2000 Christopher Faylor <cgf@cygnus.com>
* sigproc.cc (sigproc_init): Create wait_sig_inited without auto-reset

26
winsup/cygwin/sigproc.cc
View File

@ -22,8 +22,7 @@ details. */
#include "pinfo.h"
#include "child_info.h"
#include "perthread.h"
extern BOOL allow_ntsec;
#include <assert.h>
/*
* Convenience defines
@ -244,6 +243,21 @@ proc_exists (_pinfo *p)
return FALSE;
}
/* Return 1 if this is one of our children, zero otherwise.
FIXME: This really should be integrated with the rest of the proc_subproc
testing. Scanning these lists twice is inefficient. */
int __stdcall
mychild (int pid)
{
for (int i = 0; i < nchildren; i++)
if (pchildren[i]->pid == pid)
return 1;
for (int i = 0; i < nzombies; i++)
if (zombies[i]->pid == pid)
return 1;
return 0;
}
/* Handle all subprocess requests
*/
#define vchild (*((pinfo *) val))
@ -252,7 +266,6 @@ proc_subproc (DWORD what, DWORD val)
{
int rc = 1;
int potential_match;
DWORD exitcode;
_pinfo *child;
int clearing;
waitq *w;
@ -303,8 +316,7 @@ proc_subproc (DWORD what, DWORD val)
*/
case PROC_CHILDTERMINATED:
rc = 0;
if (GetExitCodeProcess (hchildren[val], &exitcode) &&
hchildren[val] != pchildren[val]->hProcess)
if (hchildren[val] != pchildren[val]->hProcess)
{
sigproc_printf ("pid %d[%d], reparented old hProcess %p, new %p",
pchildren[val]->pid, val, hchildren[val], pchildren[val]->hProcess);
@ -391,7 +403,7 @@ proc_subproc (DWORD what, DWORD val)
if (wval->pid <= 0)
child = NULL; // Not looking for a specific pid
else if (!pid_exists (wval->pid)) /* CGF FIXME -- test that this is one of mine */
else if (!mychild (wval->pid))
goto out; // invalid pid. flag no such child
wval->status = 0; // Don't know status yet
@ -595,7 +607,7 @@ sig_dispatch_pending (int justwake)
/*sigproc_printf ("I'm going away now")*/;
else
system_printf ("%E releasing sigcatch_nosync(%p)", sigcatch_nosync);
}
return was_pending;
}