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* spawn.cc (spawn_guts): Move system signal handling stuff after CreateProcess

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error check.
This commit is contained in:
Christopher Faylor 2003-09-25 13:49:21 +00:00
parent cb86a98b3b
commit b498c877a1
2 changed files with 24 additions and 19 deletions
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5
winsup/cygwin/ChangeLog
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@ -1,3 +1,8 @@
2003-09-25 Christopher Faylor <cgf@redhat.com>
* spawn.cc (spawn_guts): Move system signal handling stuff after
CreateProcess error check.
2003-09-25 Pierre Humblet <pierre.humblet@ieee.org> 2003-09-25 Pierre Humblet <pierre.humblet@ieee.org>
* shared_info.h: Update CURR_USER_MAGIC, CURR_SHARED_MAGIC and * shared_info.h: Update CURR_USER_MAGIC, CURR_SHARED_MAGIC and

30
winsup/cygwin/spawn.cc
View File

@ -709,21 +709,6 @@ spawn_guts (const char * prog_arg, const char *const *argv,
&pi); &pi);
} }
/* FIXME: There is a small race here */
DWORD res;
pthread_cleanup cleanup;
pthread_cleanup_push (do_cleanup, (void *) &cleanup);
if (mode == _P_SYSTEM)
{
sigset_t child_block;
cleanup.oldint = signal (SIGINT, SIG_IGN);
cleanup.oldquit = signal (SIGQUIT, SIG_IGN);
sigemptyset (&child_block);
sigaddset (&child_block, SIGCHLD);
(void) sigprocmask (SIG_BLOCK, &child_block, &cleanup.oldmask);
}
/* Restore impersonation. In case of _P_OVERLAY this isn't /* Restore impersonation. In case of _P_OVERLAY this isn't
allowed since it would overwrite child data. */ allowed since it would overwrite child data. */
if (mode != _P_OVERLAY) if (mode != _P_OVERLAY)
@ -747,6 +732,21 @@ spawn_guts (const char * prog_arg, const char *const *argv,
return -1; return -1;
} }
/* FIXME: There is a small race here */
DWORD res;
pthread_cleanup cleanup;
pthread_cleanup_push (do_cleanup, (void *) &cleanup);
if (mode == _P_SYSTEM)
{
sigset_t child_block;
cleanup.oldint = signal (SIGINT, SIG_IGN);
cleanup.oldquit = signal (SIGQUIT, SIG_IGN);
sigemptyset (&child_block);
sigaddset (&child_block, SIGCHLD);
(void) sigprocmask (SIG_BLOCK, &child_block, &cleanup.oldmask);
}
/* Fixup the parent datastructure if needed and resume the child's /* Fixup the parent datastructure if needed and resume the child's
main thread. */ main thread. */
if (!cygheap->fdtab.need_fixup_before ()) if (!cygheap->fdtab.need_fixup_before ())