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* cygheap.h (init_cygheap): Move bucket array here from cygheap.cc.

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* 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.
This commit is contained in:
Christopher Faylor
2001-09-06 03:39:18 +00:00
parent 0fb61528c9
commit 4ce15a4980
11 changed files with 49 additions and 18 deletions
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19
winsup/cygwin/sigproc.cc
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@@ -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 */