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* fork.cc (vfork): Store complete stack frame in vfork_save structure for later

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recovery.
* spawn.cc (spawn_guts): Reorganize slightly to consolidate handling when there
is a CreateProcess error.
(_spawnve): Only longjmp back to vfork handling when a process has been
successfuly started.
* winsup.h (vfork_save): Extend to include frame info.  Remove obsolete cpplus
conditionals.
This commit is contained in:
Christopher Faylor
2000-08-03 03:02:41 +00:00
parent 6a2ef32105
commit 47026c0785
4 changed files with 33 additions and 22 deletions
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19
winsup/cygwin/spawn.cc
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@ -607,7 +607,15 @@ skip_arg_parsing:
final debugging message [this is a general rule for debugging
messages]. */
if (!rc)
__seterrno ();
if (!rc)
{
if (spr)
ForceCloseHandle (spr);
__seterrno ();
syscall_printf ("CreateProcess failed, %E");
return -1;
}
if (mode == _P_OVERLAY)
cygpid = myself->pid;
@ -619,13 +627,6 @@ skip_arg_parsing:
rc ? cygpid : (unsigned int) -1,
prog_arg, one_line.buf);
if (!rc)
{
if (spr)
ForceCloseHandle (spr);
return -1;
}
MALLOC_CHECK;
/* Name the handle similarly to proc_subproc. */
ProtectHandle1 (pi.hProcess, childhProc);
@ -884,7 +885,7 @@ _spawnve (HANDLE hToken, int mode, const char *path, const char *const *argv,
case _P_DETACH:
subproc_init ();
ret = spawn_guts (hToken, path, argv, envp, mode);
if (vf)
if (vf && ret > 0)
{
vf->pid = ret;
longjmp (vf->j, 1);