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A signal stack is not needed on PowerPC.

This commit is contained in:
Alexandre Julliard 2003-10-22 03:25:38 +00:00
parent 5fb351b40e
commit 5e4e0de15f
1 changed files with 10 additions and 26 deletions
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36
dlls/ntdll/signal_powerpc.c
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@ -596,7 +596,7 @@ static HANDLER_DEF(usr1_handler)
*
* Set a signal handler
*/
static int set_handler( int sig, int have_sigaltstack, void (*func)() )
static int set_handler( int sig, void (*func)() )
{
struct sigaction sig_act;
@ -606,10 +606,6 @@ static int set_handler( int sig, int have_sigaltstack, void (*func)() )
sigaddset( &sig_act.sa_mask, SIGALRM );
sig_act.sa_flags = SA_RESTART | SA_SIGINFO;
#ifdef SA_ONSTACK
if (have_sigaltstack) sig_act.sa_flags |= SA_ONSTACK;
#endif
return sigaction( sig, &sig_act, NULL );
}
@ -631,30 +627,18 @@ int __wine_set_signal_handler(unsigned int sig, wine_signal_handler wsh)
*/
BOOL SIGNAL_Init(void)
{
int have_sigaltstack = 0;
#ifdef HAVE_SIGALTSTACK
struct sigaltstack ss;
if ((ss.ss_sp = NtCurrentTeb()->signal_stack))
{
ss.ss_size = SIGNAL_STACK_SIZE;
ss.ss_flags = 0;
if (!sigaltstack(&ss, NULL)) have_sigaltstack = 1;
}
#endif /* HAVE_SIGALTSTACK */
if (set_handler( SIGINT, have_sigaltstack, (void (*)())int_handler ) == -1) goto error;
if (set_handler( SIGFPE, have_sigaltstack, (void (*)())fpe_handler ) == -1) goto error;
if (set_handler( SIGSEGV, have_sigaltstack, (void (*)())segv_handler ) == -1) goto error;
if (set_handler( SIGILL, have_sigaltstack, (void (*)())segv_handler ) == -1) goto error;
if (set_handler( SIGABRT, have_sigaltstack, (void (*)())abrt_handler ) == -1) goto error;
if (set_handler( SIGTERM, have_sigaltstack, (void (*)())term_handler ) == -1) goto error;
if (set_handler( SIGUSR1, have_sigaltstack, (void (*)())usr1_handler ) == -1) goto error;
if (set_handler( SIGINT, (void (*)())int_handler ) == -1) goto error;
if (set_handler( SIGFPE, (void (*)())fpe_handler ) == -1) goto error;
if (set_handler( SIGSEGV, (void (*)())segv_handler ) == -1) goto error;
if (set_handler( SIGILL, (void (*)())segv_handler ) == -1) goto error;
if (set_handler( SIGABRT, (void (*)())abrt_handler ) == -1) goto error;
if (set_handler( SIGTERM, (void (*)())term_handler ) == -1) goto error;
if (set_handler( SIGUSR1, (void (*)())usr1_handler ) == -1) goto error;
#ifdef SIGBUS
if (set_handler( SIGBUS, have_sigaltstack, (void (*)())segv_handler ) == -1) goto error;
if (set_handler( SIGBUS, (void (*)())segv_handler ) == -1) goto error;
#endif
#ifdef SIGTRAP
if (set_handler( SIGTRAP, have_sigaltstack, (void (*)())trap_handler ) == -1) goto error;
if (set_handler( SIGTRAP, (void (*)())trap_handler ) == -1) goto error;
#endif
return TRUE;