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* child_info.h (child_info_fork::handle_failure): Declare new function.

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(child_info_fork::retry): New field.
* dcrt0.cc (__api_fatal_exit_val): Define.
(child_info_fork::handle_failure): Define new function.
(__api_fatal): Exit using __api_fatal_exit_val value.
* environ.cc (set_fork_retry): Set fork_retry based on CYGWIN environment
variable.
(parse_thing): Add "fork_retry" setting.
* fork.cc (fork_retry): Define.
(frok::parent): Reorganize to allow retry of failed child creation if child
signalled that it was ok to do so.
* heap.cc (heap_init): Signal parent via handle_failure when VirtualAlloc
fails.
* pinfo.h (EXITCODE_RETRY): Declare.
* sigproc.cc (child_info::sync): Properly exit with failure condition if called
for fork and didn't see subproc_ready.
* spawn.cc (spawn_guts): Use windows pid as first argument.
* winsup.h: Remove obsolete NEW_MACRO_VARARGS define.
(__api_fatal_exit_val): Declare.
(set_api_fatal_return): Define.
(in_dllentry): Declare.
* exceptions.cc (inside_kernel): Remove unneeded in_dllentry declaration.
This commit is contained in:
Christopher Faylor
2006-03-13 21:10:14 +00:00
parent 063fd12660
commit 84d3817405
11 changed files with 121 additions and 59 deletions
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19
winsup/cygwin/sigproc.cc
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@ -39,7 +39,7 @@ details. */
#define WSSC 60000 // Wait for signal completion
#define WPSP 40000 // Wait for proc_subproc mutex
#define no_signals_available(x) (!hwait_sig || ((x) && myself->exitcode & EXITCODE_SET) || &_my_tls == _sig_tls)
#define no_signals_available(x) (!hwait_sig || ((x) && myself->exitcode & EXITCODE_SET) || &_my_tls == _sig_tls || in_dllentry)
#define NPROCS 256
@ -856,18 +856,23 @@ child_info::sync (pid_t pid, HANDLE& hProcess, DWORD howlong)
x -= WAIT_OBJECT_0;
if (x >= n)
{
system_printf ("wait failed, pid %d, %E", pid);
system_printf ("wait failed, pid %u, %E", pid);
res = false;
}
else
{
if (type == _PROC_EXEC && x == nsubproc_ready && myself->wr_proc_pipe)
if (x != nsubproc_ready)
res = type != _PROC_FORK;
else
{
ForceCloseHandle1 (hProcess, childhProc);
hProcess = NULL;
if (type == _PROC_EXEC && myself->wr_proc_pipe)
{
ForceCloseHandle1 (hProcess, childhProc);
hProcess = NULL;
}
res = true;
}
sigproc_printf ("process %d synchronized, WFMO returned %d", pid, x);
res = true;
sigproc_printf ("pid %u, WFMO returned %d, res %d", pid, x, res);
}
return res;
}