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* exceptions.cc (handle_exceptions): Just si_code to SI_KERNEL first and let it

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be overridden.
* exceptions.cc (_cygtls::call_signal_handler): Call signal handler with extra
siginfo_t * and void * parameters when SA_SIGINFO flag is set.
* signal.cc (signal): Clear SA_SIGINFO flag.
(sigqueue): Fix incorrect setting of si_code.
* sigproc.cc (signal_fixup_after_exec): Clear SA_SIGINFO flag when setting
handler to SIG_DFL.
This commit is contained in:
Christopher Faylor
2005-09-26 14:51:48 +00:00
parent 683cc8189c
commit d5f4ee62b7
4 changed files with 35 additions and 7 deletions
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15
winsup/cygwin/exceptions.cc
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@@ -424,6 +424,7 @@ handle_exceptions (EXCEPTION_RECORD *e0, void *frame, CONTEXT *in0, void *)
CONTEXT in = *in0;
siginfo_t si;
si.si_code = SI_KERNEL;
/* Coerce win32 value to posix value. */
switch (e.ExceptionCode)
{
@@ -472,7 +473,6 @@ handle_exceptions (EXCEPTION_RECORD *e0, void *frame, CONTEXT *in0, void *)
case STATUS_TIMEOUT:
si.si_signo = SIGALRM;
si.si_code = 0;
break;
case STATUS_ACCESS_VIOLATION:
@@ -489,7 +489,6 @@ handle_exceptions (EXCEPTION_RECORD *e0, void *frame, CONTEXT *in0, void *)
case STATUS_CONTROL_C_EXIT:
si.si_signo = SIGINT;
si.si_code = 0;
break;
case STATUS_INVALID_HANDLE:
@@ -569,8 +568,6 @@ handle_exceptions (EXCEPTION_RECORD *e0, void *frame, CONTEXT *in0, void *)
me.return_from_fault ();
si.si_addr = ebp;
if (!si_code)
si.si_code = SI_KERNEL;
si.si_errno = si.si_pid = si.si_uid = 0;
me.push ((__stack_t) ebp, true);
sig_send (NULL, si, &me); // Signal myself
@@ -1253,7 +1250,15 @@ _cygtls::call_signal_handler ()
int this_errno = saved_errno;
incyg--;
sig = 0;
sigfunc (thissig);
if (this_sa_flags & SA_SIGINFO == 0)
sigfunc (thissig);
else
{
siginfo_t thissi = infodata;
void (*sigact) (int, siginfo_t *, void *) = (void (*) (int, siginfo_t *, void *)) func;
/* no ucontext_t information provided yet */
sigact (thissig, &thissi, NULL);
}
incyg++;
set_signal_mask (this_oldmask, myself->getsigmask ());
if (this_errno >= 0)