X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=rts%2Fposix%2FSignals.c;h=27f09b02ae606238a687806f373d435cfcf5108e;hb=f86e7206ea94b48b94fb61007a1c5d55b8c60f45;hp=4ae22cd143bc416d59a3074329554ca1eda19e85;hpb=afb01c35a0a4f1525070b0458fa186a12e62240a;p=ghc-hetmet.git diff --git a/rts/posix/Signals.c b/rts/posix/Signals.c index 4ae22cd..27f09b0 100644 --- a/rts/posix/Signals.c +++ b/rts/posix/Signals.c @@ -41,7 +41,7 @@ * to POSIX.1 to control whether or not to include SA_NOCLDSTOP when * installing a SIGCHLD handler. */ -StgInt nocldstop = 0; +HsInt nocldstop = 0; /* ----------------------------------------------------------------------------- * The table of signal handlers @@ -164,22 +164,6 @@ StgPtr *next_pending_handler = pending_handler_buf; #endif /* THREADED_RTS */ /* ----------------------------------------------------------------------------- - * SIGCONT handler - * - * It seems that shells tend to put stdin back into blocking mode - * following a suspend/resume of the process. Here we arrange to put - * it back into non-blocking mode. We don't do anything to - * stdout/stderr because these handles don't get put into non-blocking - * mode at all - see the comments on stdout/stderr in PrelHandle.hsc. - * -------------------------------------------------------------------------- */ - -static void -cont_handler(int sig STG_UNUSED) -{ - setNonBlockingFd(0); -} - -/* ----------------------------------------------------------------------------- * Low-level signal handler * * Places the requested handler on a stack of pending handlers to be @@ -249,11 +233,6 @@ generic_handler(int sig) sigaddset(&signals, sig); sigprocmask(SIG_UNBLOCK, &signals, NULL); - // *always* do the SIGCONT handler, even if the user overrides it. - if (sig == SIGCONT) { - cont_handler(sig); - } - context_switch = 1; } @@ -413,19 +392,19 @@ startSignalHandlers(Capability *cap) #if !defined(THREADED_RTS) void -markSignalHandlers (evac_fn evac) +markSignalHandlers (evac_fn evac, void *user) { StgPtr *p; p = next_pending_handler; while (p != pending_handler_buf) { p--; - evac((StgClosure **)p); + evac(user, (StgClosure **)p); } } #else void -markSignalHandlers (evac_fn evac STG_UNUSED) +markSignalHandlers (evac_fn evac STG_UNUSED, void *user STG_UNUSED) { } #endif @@ -514,14 +493,6 @@ initDefaultHandlers() siginterrupt(SIGINT, 1); // isn't this the default? --SDM #endif - // install the SIGCONT handler - action.sa_handler = cont_handler; - sigemptyset(&action.sa_mask); - action.sa_flags = 0; - if (sigaction(SIGCONT, &action, &oact) != 0) { - sysErrorBelch("warning: failed to install SIGCONT handler"); - } - // install the SIGFPE handler // In addition to handling SIGINT, also handle SIGFPE by ignoring it.