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authorChristopher Faylor <me@cgf.cx>2001-06-11 21:57:10 +0400
committerChristopher Faylor <me@cgf.cx>2001-06-11 21:57:10 +0400
commit3ecfcf5715a1a998e9b976e09a7e6a0e8adc7aed (patch)
treea713d9ca64bf5f6425f793edb63ea41f941a7bd3 /winsup/cygwin/sigproc.cc
parenta179327987c7825123089c13779638b987c5fb49 (diff)
* pinfo.cc: Use autoloaded ToolHelp functions throughout for Win9x.
* autoload.cc: Autoload ToolHelp functions.
Diffstat (limited to 'winsup/cygwin/sigproc.cc')
-rw-r--r--winsup/cygwin/sigproc.cc27
1 files changed, 19 insertions, 8 deletions
diff --git a/winsup/cygwin/sigproc.cc b/winsup/cygwin/sigproc.cc
index 1e0c48762..64256508a 100644
--- a/winsup/cygwin/sigproc.cc
+++ b/winsup/cygwin/sigproc.cc
@@ -46,7 +46,7 @@ details. */
#define no_signals_available() (!hwait_sig || !sig_loop_wait)
-#define ZOMBIEMAX ((int) (sizeof (zombies) / sizeof (zombies[0])))
+#define ZOMBIEMAX ((int) (sizeof (zombies) / sizeof (zombies[0])) - 1)
/*
* Global variables
@@ -300,13 +300,12 @@ proc_subproc (DWORD what, DWORD val)
sigproc_printf ("pid %d[%d] terminated, handle %p, nchildren %d, nzombies %d",
pchildren[val]->pid, val, hchildren[val], nchildren, nzombies);
- if (nzombies >= ZOMBIEMAX)
- sigproc_printf ("Hit zombie maximum %d", nzombies);
- else
- {
- zombies[nzombies] = pchildren[val]; // Add to zombie array
- zombies[nzombies++]->process_state = PID_ZOMBIE;// Walking dead
- }
+
+ int thiszombie;
+ thiszombie = nzombies;
+ zombies[nzombies] = pchildren[val]; // Add to zombie array
+ zombies[nzombies++]->process_state = PID_ZOMBIE;// Walking dead
+
sigproc_printf ("removing [%d], pid %d, handle %p, nchildren %d",
val, pchildren[val]->pid, hchildren[val], nchildren);
if ((int) val < --nchildren)
@@ -314,6 +313,18 @@ proc_subproc (DWORD what, DWORD val)
hchildren[val] = hchildren[nchildren];
pchildren[val] = pchildren[nchildren];
}
+
+ /* See if we should care about the this terminated process. If we've
+ filled up our table or if we're ignoring SIGCHLD, then we immediately
+ remove the process and move on. Otherwise, this process becomes a zombie
+ which must be reaped by a wait() call. */
+ if (nzombies >= ZOMBIEMAX
+ || myself->getsig (SIGCHLD).sa_handler == (void *) SIG_IGN)
+ {
+ sigproc_printf ("automatically removing zombie %d", thiszombie);
+ remove_zombie (thiszombie);
+ }
+
/* Don't scan the wait queue yet. Caller will send SIGCHLD to this process.
This will cause an eventual scan of waiters. */
break;