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authorChristopher Faylor <me@cgf.cx>2001-09-06 03:39:18 +0000
committerChristopher Faylor <me@cgf.cx>2001-09-06 03:39:18 +0000
commit4ce15a498010f678c71cefdf2a2ac0db58f4fa93 (patch)
tree67498c2416dddf7295358edc848708c05ac3d047 /winsup/cygwin/sigproc.cc
parent0fb61528c94f959e5c1bfc9aeab7e09d0dcbf54b (diff)
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* cygheap.h (init_cygheap): Move bucket array here from cygheap.cc.
* cygheap.cc: Throughout use bucket array from cygheap. * sigproc.cc (proc_subproc): Dynamically allocate zombie buffer to save DLL space. (sigproc_fixup_after_fork): Free zombie array after a fork. * sigproc.h (sigproc_fixup_after_fork): Declare. * dir.cc (mkdir): Expand buffer for security descriptor to 4K to avoid stack corruption. * fhandler.cc (fhandler_base::open): Ditto. * path.cc (symlink): Ditto.
Diffstat (limited to 'winsup/cygwin/sigproc.cc')
-rw-r--r--winsup/cygwin/sigproc.cc19
1 files changed, 16 insertions, 3 deletions
diff --git a/winsup/cygwin/sigproc.cc b/winsup/cygwin/sigproc.cc
index 768d6f1..b3c69ff 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])) - 1)
+#define ZOMBIEMAX 4096
/*
* Global variables
@@ -102,9 +102,9 @@ Static HANDLE wait_sig_inited = NULL; // Control synchronization of
Static HANDLE events[PSIZE + 1] = {0}; // All my children's handles++
#define hchildren (events + 1) // Where the children handles begin
Static pinfo pchildren[PSIZE]; // All my children info
-Static pinfo zombies[16384]; // All my deceased children info
Static int nchildren = 0; // Number of active children
-Static int nzombies = 0; // Number of deceased children
+static pinfo *zombies; // All my deceased children info
+static int nzombies; // Number of deceased children
Static waitq waitq_head = {0, 0, 0, 0, 0, 0, 0};// Start of queue for wait'ing threads
Static waitq waitq_main; // Storage for main thread
@@ -303,6 +303,8 @@ proc_subproc (DWORD what, DWORD val)
int thiszombie;
thiszombie = nzombies;
+ if (!zombies)
+ zombies = (pinfo *) malloc (sizeof (pinfo) * ZOMBIEMAX);
zombies[nzombies] = pchildren[val]; // Add to zombie array
zombies[nzombies++]->process_state = PID_ZOMBIE;// Walking dead
@@ -1302,6 +1304,17 @@ wait_subproc (VOID *)
return 0;
}
+void __stdcall
+sigproc_fixup_after_fork ()
+{
+ if (zombies)
+ {
+ free (zombies);
+ nzombies = 0;
+ zombies = NULL;
+ }
+}
+
extern "C" {
/* Provide a stack frame when calling WaitFor* functions */