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* dcrt0.cc (dll_crt0_0): Reorganize so that sigproc_init is called a little

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later.  Add a comment.
* fork.cc (resume_child): Make void.
(frok::parent): Only zero pi when necessary.  Explicitly zero si.  Set
this_errno when child_copy fails.  Accommodate change to resume_child.
* sigproc.cc (sigalloc): Move global_sigs initialization here.
(sigproc_init): Move global_sigs.
(sig_send): Just check for flush signals once.
* wincap.h: Define supports_setconsolectrlhandler_null throughout.
* wincap.cc: Ditto.
This commit is contained in:
Christopher Faylor
2006-03-13 18:29:48 +00:00
parent d6382e653a
commit bbca1e4cb9
6 changed files with 73 additions and 36 deletions
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21
winsup/cygwin/sigproc.cc
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@@ -112,6 +112,7 @@ sigalloc ()
{
cygheap->sigs = global_sigs =
(struct sigaction *) ccalloc (HEAP_SIGS, NSIG, sizeof (struct sigaction));
global_sigs[SIGSTOP].sa_flags = SA_RESTART | SA_NODEFER;
}
void __stdcall
@@ -479,14 +480,12 @@ sigproc_init ()
ProtectHandle (wait_sig_inited);
/* sync_proc_subproc is used by proc_subproc. It serialises
* access to the children and proc arrays.
*/
access to the children and proc arrays. */
sync_proc_subproc.init ("sync_proc_subproc");
hwait_sig = new cygthread (wait_sig, 0, cygself, "sig");
hwait_sig->zap_h ();
global_sigs[SIGSTOP].sa_flags = SA_RESTART | SA_NODEFER;
sigproc_printf ("process/signal handling enabled, state %p", myself->process_state);
}
@@ -514,20 +513,20 @@ sig_send (_pinfo *p, int sig)
sigheld = true;
else if (!sigheld)
/* nothing */;
else if (sig != __SIGNOHOLD && sig != __SIGFLUSH && sig != __SIGFLUSHFAST)
else if (sig == __SIGFLUSH || sig == __SIGFLUSHFAST)
return 0;
else if (sig == __SIGNOHOLD)
{
SetEvent (sigCONT);
sigheld = false;
}
else
{
#ifdef DEBUGGING
system_printf ("internal signal sent while signals are on hold");
#endif
return -1;
}
else if (sig == __SIGFLUSH || sig == __SIGFLUSHFAST)
return 0;
else
{
SetEvent (sigCONT);
sigheld = false;
}
siginfo_t si = {0};
si.si_signo = sig;
si.si_code = SI_KERNEL;