X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Frts%2FSignals.c;h=67fbf42ab46dff1d1015f5b1233b764cac0d6c34;hb=7e8e629fd62984ffcef028242c7da63f5f4bcc0c;hp=4773006dadf92b2c5d0a412d3f48de91ec523901;hpb=c49a6ca90100722cd6942322d32b64b4142a08a7;p=ghc-hetmet.git diff --git a/ghc/rts/Signals.c b/ghc/rts/Signals.c index 4773006..67fbf42 100644 --- a/ghc/rts/Signals.c +++ b/ghc/rts/Signals.c @@ -1,5 +1,4 @@ /* ----------------------------------------------------------------------------- - * $Id: Signals.c,v 1.37 2003/04/01 15:05:22 sof Exp $ * * (c) The GHC Team, 1998-1999 * @@ -16,10 +15,13 @@ #include "Signals.h" #include "RtsUtils.h" #include "RtsFlags.h" -#include "StablePriv.h" -#ifdef alpha_TARGET_ARCH -# include +#ifdef alpha_HOST_ARCH +# if defined(linux_HOST_OS) +# include +# else +# include +# endif #endif #ifdef HAVE_UNISTD_H @@ -52,22 +54,25 @@ static nat n_haskell_handlers = 0; StgPtr pending_handler_buf[N_PENDING_HANDLERS]; StgPtr *next_pending_handler = pending_handler_buf; +/* ----------------------------------------------------------------------------- + * Signal handling + * -------------------------------------------------------------------------- */ + #ifdef RTS_SUPPORTS_THREADS pthread_t signalHandlingThread; #endif - // Handle all signals in the current thread. - // Called from Capability.c whenever the main capability is granted to a thread - // and in installDefaultHandlers +// Handle all signals in the current thread. +// Called from Capability.c whenever the main capability is granted to a thread +// and in installDefaultHandlers void -handleSignalsInThisThread() +handleSignalsInThisThread(void) { #ifdef RTS_SUPPORTS_THREADS signalHandlingThread = pthread_self(); #endif } - /* ----------------------------------------------------------------------------- * Allocate/resize the table of signal handlers. * -------------------------------------------------------------------------- */ @@ -165,7 +170,7 @@ generic_handler(int sig) // stack full? if (next_pending_handler == &pending_handler_buf[N_PENDING_HANDLERS]) { - prog_belch("too many pending signals"); + errorBelch("too many pending signals"); stg_exit(EXIT_FAILURE); } @@ -291,7 +296,7 @@ stg_sig_install(int sig, int spi, StgStablePtr *handler, void *mask) } return STG_SIG_ERR; } - + if (previous_spi == STG_SIG_DFL || previous_spi == STG_SIG_IGN || previous_spi == STG_SIG_ERR) { return previous_spi; @@ -433,10 +438,10 @@ initDefaultHandlers() sigemptyset(&action.sa_mask); action.sa_flags = 0; if (sigaction(SIGINT, &action, &oact) != 0) { - prog_belch("warning: failed to install SIGINT handler"); + errorBelch("warning: failed to install SIGINT handler"); } -#ifndef cygwin32_TARGET_OS +#if defined(HAVE_SIGINTERRUPT) siginterrupt(SIGINT, 1); // isn't this the default? --SDM #endif @@ -445,7 +450,7 @@ initDefaultHandlers() sigemptyset(&action.sa_mask); action.sa_flags = 0; if (sigaction(SIGCONT, &action, &oact) != 0) { - prog_belch("warning: failed to install SIGCONT handler"); + errorBelch("warning: failed to install SIGCONT handler"); } // install the SIGFPE handler @@ -463,11 +468,11 @@ initDefaultHandlers() sigemptyset(&action.sa_mask); action.sa_flags = 0; if (sigaction(SIGFPE, &action, &oact) != 0) { - prog_belch("warning: failed to install SIGFPE handler"); + errorBelch("warning: failed to install SIGFPE handler"); } #endif -#ifdef alpha_TARGET_ARCH +#ifdef alpha_HOST_ARCH ieee_set_fp_control(0); #endif }