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Get rid of the SIGFPE handler

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If shit happens, let it crash.
This commit is contained in:
dhewg 2012-07-05 23:09:17 +02:00
parent 9cbc9ff6db
commit b073f281ad
4 changed files with 1 additions and 61 deletions
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10
neo/sys/linux/main.cpp
View file

@ -120,16 +120,6 @@ void Sys_Shutdown( void ) {
Posix_Shutdown(); Posix_Shutdown();
} }
/*
===============
Sys_FPE_handler
===============
*/
void Sys_FPE_handler( int signum, siginfo_t *info, void *context ) {
assert( signum == SIGFPE );
Sys_Printf( "FPE\n" );
}
/* /*
================ ================
Sys_GetSystemRam Sys_GetSystemRam

41
neo/sys/osx/DOOMController.mm
View file

@ -79,47 +79,6 @@ void Sys_Shutdown( void ) {
Posix_Shutdown(); Posix_Shutdown();
} }
/*
===============
Sys_FPE_handler
===============
*/
void Sys_FPE_handler( int signum, siginfo_t *info, void *context ) {
#if defined(__ppc__)
int ret;
ppc_float_state_t *fs;
ppc_thread_state_t *ss;
fs = &( (struct ucontext *)context )->uc_mcontext->fs;
ss = &( (struct ucontext *)context )->uc_mcontext->ss;
Sys_Printf( "FPE at 0x%x:\n", info->si_addr );
ret = fetestexcept( FE_ALL_EXCEPT );
if ( ret & FE_INEXACT ) {
Sys_Printf( "FE_INEXACT " );
}
if ( ret & FE_DIVBYZERO ) {
Sys_Printf( "FE_DIVBYZERO " );
}
if ( ret & FE_UNDERFLOW ) {
Sys_Printf( "FE_UNDERFLOW " );
}
if ( ret & FE_OVERFLOW ) {
Sys_Printf( "FE_OVERFLOW " );
}
if ( ret & FE_INVALID ) {
Sys_Printf( "FE_INVALID " );
}
Sys_Printf( "\n" );
// clear the exception flags
feclearexcept( FE_ALL_EXCEPT );
// re-arm
fs->fpscr &= exception_mask;
ss->srr0 += 4;
#endif
}
/* /*
================ ================
Sys_GetSystemRam Sys_GetSystemRam

1
neo/sys/posix/posix_public.h
View file

@ -50,7 +50,6 @@ void Posix_SetExitSpawn( const char *exeName ); // set the process to be spawne
void Posix_InitConsoleInput( void ); void Posix_InitConsoleInput( void );
void Posix_Shutdown( void ); void Posix_Shutdown( void );
void Sys_FPE_handler( int signum, siginfo_t *info, void *context );
void Sys_DoStartProcess( const char *exeName, bool dofork = true ); // if not forking, current process gets replaced void Sys_DoStartProcess( const char *exeName, bool dofork = true ); // if not forking, current process gets replaced
#endif #endif

10
neo/sys/posix/posix_signal.cpp
View file

@ -42,7 +42,6 @@ const int siglist[] = {
SIGTRAP, SIGTRAP,
SIGIOT, SIGIOT,
SIGBUS, SIGBUS,
SIGFPE,
SIGSEGV, SIGSEGV,
SIGPIPE, SIGPIPE,
SIGABRT, SIGABRT,
@ -58,7 +57,6 @@ const char *signames[] = {
"SIGTRAP", "SIGTRAP",
"SIGIOT", "SIGIOT",
"SIGBUS", "SIGBUS",
"SIGFPE",
"SIGSEGV", "SIGSEGV",
"SIGPIPE", "SIGPIPE",
"SIGABRT", "SIGABRT",
@ -138,13 +136,7 @@ void Posix_InitSigs( ) {
i = 0; i = 0;
while ( siglist[ i ] != -1 ) { while ( siglist[ i ] != -1 ) {
if ( siglist[ i ] == SIGFPE ) { if ( sigaction( siglist[ i ], &action, NULL ) != 0 ) {
action.sa_sigaction = Sys_FPE_handler;
if ( sigaction( siglist[ i ], &action, NULL ) != 0 ) {
Sys_Printf( "Failed to set SIGFPE handler: %s\n", strerror( errno ) );
}
action.sa_sigaction = sig_handler;
} else if ( sigaction( siglist[ i ], &action, NULL ) != 0 ) {
Sys_Printf( "Failed to set %s handler: %s\n", signames[ i ], strerror( errno ) ); Sys_Printf( "Failed to set %s handler: %s\n", signames[ i ], strerror( errno ) );
} }
i++; i++;