diff --git a/src/doomdef.h b/src/doomdef.h index 24b52e8d..94bd71d3 100644 --- a/src/doomdef.h +++ b/src/doomdef.h @@ -136,6 +136,10 @@ #define LOGMESSAGES // write message in log.txt #endif +#if (defined (__unix__) && !defined (_MSDOS)) || defined (UNIXCOMMON) +#define NEWSIGNALHANDLER +#endif + #ifdef LOGMESSAGES extern FILE *logstream; #endif diff --git a/src/i_system.h b/src/i_system.h index d1708fe5..e8c516fe 100644 --- a/src/i_system.h +++ b/src/i_system.h @@ -92,6 +92,10 @@ ticcmd_t *I_BaseTiccmd4(void); */ void I_Quit(void) FUNCNORETURN; +/** \brief Print a message and text box about a signal that was raised. +*/ +void I_ReportSignal(int num, int coredumped); + typedef enum { EvilForce = -1, diff --git a/src/sdl/i_main.c b/src/sdl/i_main.c index 41a9d7cd..b8161abf 100644 --- a/src/sdl/i_main.c +++ b/src/sdl/i_main.c @@ -26,6 +26,11 @@ #include #endif +#ifdef NEWSIGNALHANDLER +#include +#include +#endif + #ifdef HAVE_SDL #ifdef HAVE_TTF @@ -157,6 +162,53 @@ int main(int argc, char **argv) #endif MakeCodeWritable(); #endif + +#ifdef NEWSIGNALHANDLER + switch (fork()) + { + case -1: + I_Error( + "Error setting up signal reporting: fork(): %s\n", + strerror(errno) + ); + break; + case 0: + break; + default: + { + int status; + int signum; + if (wait(&status) == -1) + { + I_Error( + "Error setting up signal reporting: fork(): %s\n", + strerror(errno) + ); + } + else + { + if (WIFSIGNALED (status)) + { + signum = WTERMSIG (status); +#ifdef WCOREDUMP + I_ReportSignal(signum, WCOREDUMP (status)); +#else + I_ReportSignal(signum, 0); +#endif + status = 128 + signum; + } + else if (WIFEXITED (status)) + { + status = WEXITSTATUS (status); + } + + I_ShutdownSystem(); + exit(status); + } + } + } +#endif/*NEWSIGNALHANDLER*/ + // startup SRB2 CONS_Printf("Setting up SRB2Kart...\n"); D_SRB2Main(); diff --git a/src/sdl/i_system.c b/src/sdl/i_system.c index c0fca64d..db35b0f7 100644 --- a/src/sdl/i_system.c +++ b/src/sdl/i_system.c @@ -246,13 +246,11 @@ SDL_bool framebuffer = SDL_FALSE; UINT8 keyboard_started = false; -FUNCNORETURN static ATTRNORETURN void signal_handler(INT32 num) +void I_ReportSignal(int num, int coredumped) { //static char msg[] = "oh no! back to reality!\r\n"; const char * sigmsg; - char sigdef[32]; - - D_QuitNetGame(); // Fix server freezes + char msg[128]; switch (num) { @@ -278,8 +276,21 @@ FUNCNORETURN static ATTRNORETURN void signal_handler(INT32 num) sigmsg = "SIGABRT - abnormal termination triggered by abort call"; break; default: - sprintf(sigdef,"signal number %d", num); - sigmsg = sigdef; + sprintf(msg,"signal number %d", num); + if (coredumped) + sigmsg = 0; + else + sigmsg = msg; + } + + if (coredumped) + { + if (sigmsg) + sprintf(msg, "%s (core dumped)", sigmsg); + else + strcat(msg, " (core dumped)"); + + sigmsg = msg; } I_OutputMsg("\nsignal_handler() error: %s\n", sigmsg); @@ -287,11 +298,19 @@ FUNCNORETURN static ATTRNORETURN void signal_handler(INT32 num) SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Signal caught", sigmsg, NULL); +} + +#ifndef NEWSIGNALHANDLER +FUNCNORETURN static ATTRNORETURN void signal_handler(INT32 num) +{ + D_QuitNetGame(); // Fix server freezes + I_ReportSignal(num, 0); I_ShutdownSystem(); signal(num, SIG_DFL); //default signal action raise(num); I_Quit(); } +#endif FUNCNORETURN static ATTRNORETURN void quit_handler(int num) { @@ -681,10 +700,12 @@ void I_StartupKeyboard (void) // If these defines don't exist, // then compilation would have failed above us... +#ifndef NEWSIGNALHANDLER signal(SIGILL , signal_handler); signal(SIGSEGV , signal_handler); signal(SIGABRT , signal_handler); signal(SIGFPE , signal_handler); +#endif } //