Commit b310c854 authored by simonmar's avatar simonmar
Browse files

[project @ 2000-02-22 12:09:23 by simonmar]

Ignore SIGPIPE, since our I/O library handles EPIPE properly and
SIGPIPE tends to cause the Haskell program to exit silently and
mysteriously.

Found-by: furiously pressing the refresh button in a browser connected
to my Haskell web server :-)
parent 8486d65e
/* -----------------------------------------------------------------------------
* $Id: RtsStartup.c,v 1.29 2000/02/17 17:19:42 simonmar Exp $
* $Id: RtsStartup.c,v 1.30 2000/02/22 12:09:24 simonmar Exp $
*
* (c) The GHC Team, 1998-1999
*
......@@ -143,8 +143,8 @@ startupHaskell(int argc, char *argv[])
#if !defined(mingw32_TARGET_OS) && !defined(PAR)
/* Initialise the user signal handler set */
initUserSignals();
/* Set up handler to run on SIGINT */
init_shutdown_handler();
/* Set up handler to run on SIGINT, etc. */
init_default_handlers();
#endif
/* When the RTS and Prelude live in separate DLLs,
......
/* -----------------------------------------------------------------------------
* $Id: Signals.c,v 1.12 2000/01/13 12:40:16 simonmar Exp $
* $Id: Signals.c,v 1.13 2000/02/22 12:09:23 simonmar Exp $
*
* (c) The GHC Team, 1998-1999
*
......@@ -273,9 +273,13 @@ shutdown_handler(int sig STG_UNUSED)
* Haskell code may install their own SIGINT handler, which is
* fine, provided they're so kind as to put back the old one
* when they de-install.
*
* We ignore SIGPIPE, because our I/O library handles EPIPE properly,
* and a SIGPIPE tends to cause the program to exit silently and
* mysteriously.
*/
void
init_shutdown_handler()
init_default_handlers()
{
struct sigaction action,oact;
......@@ -287,13 +291,13 @@ init_shutdown_handler()
action.sa_flags = 0;
if (sigaction(SIGINT, &action, &oact) != 0) {
/* Oh well, at least we tried. */
#ifdef DEBUG
fprintf(stderr, "init_shutdown_handler: failed to reg SIGINT handler");
#endif
prog_belch("failed to install SIGINT handler");
}
}
action.sa_handler = SIG_IGN;
if (sigaction(SIGPIPE, &action, &oact) != 0) {
prog_belch("failed to install SIGINT handler");
}
}
#endif /*! mingw32_TARGET_OS */
/* -----------------------------------------------------------------------------
* $Id: Signals.h,v 1.4 1999/09/22 11:53:33 sof Exp $
* $Id: Signals.h,v 1.5 2000/02/22 12:09:24 simonmar Exp $
*
* (c) The GHC Team, 1998-1999
*
......@@ -22,7 +22,7 @@ extern void unblockUserSignals(void);
extern void start_signal_handlers(void);
extern void init_shutdown_handler(void);
extern void init_default_handlers(void);
#else
......
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