diff options
Diffstat (limited to 'erts/emulator')
| -rw-r--r-- | erts/emulator/drivers/common/inet_drv.c | 9 | ||||
| -rw-r--r-- | erts/emulator/hipe/hipe_x86_signal.c | 31 |
2 files changed, 34 insertions, 6 deletions
diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c index a829599fe5..89011d89ad 100644 --- a/erts/emulator/drivers/common/inet_drv.c +++ b/erts/emulator/drivers/common/inet_drv.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1997-2013. All Rights Reserved. + * Copyright Ericsson AB 1997-2015. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -6076,9 +6076,9 @@ static int inet_set_opts(inet_descriptor* desc, char* ptr, int len) int arg_sz; enum PacketParseType old_htype = desc->htype; int old_active = desc->active; - int propagate = 0; /* Set to 1 if failure to set this option - should be propagated to erlang (not all - errors can be propagated for BC reasons) */ + int propagate; /* Set to 1 if failure to set this option + should be propagated to erlang (not all + errors can be propagated for BC reasons) */ int res; #ifdef HAVE_SCTP /* SCTP sockets are treated completely separately: */ @@ -6095,6 +6095,7 @@ static int inet_set_opts(inet_descriptor* desc, char* ptr, int len) arg_ptr = (char*) &ival; arg_sz = sizeof(ival); proto = SOL_SOCKET; + propagate = 0; switch(opt) { case INET_LOPT_HEADER: diff --git a/erts/emulator/hipe/hipe_x86_signal.c b/erts/emulator/hipe/hipe_x86_signal.c index bb8a3f041f..69d4ea10c2 100644 --- a/erts/emulator/hipe/hipe_x86_signal.c +++ b/erts/emulator/hipe/hipe_x86_signal.c @@ -198,7 +198,7 @@ static void do_init(void) #define INIT() do { if (!init_done()) do_init(); } while (0) #endif /* __DARWIN__ */ -#if !defined(__GLIBC__) && !defined(__DARWIN__) && !defined(__NetBSD__) +#if defined(__sun__) /* * Assume Solaris/x86 2.8. * There is a number of sigaction() procedures in libc: @@ -232,7 +232,34 @@ static void do_init(void) } #define _NSIG NSIG #define INIT() do { if (!init_done()) do_init(); } while (0) -#endif /* not glibc or darwin */ +#endif /* __sun__ */ + +#if !(defined(__GLIBC__) || defined(__DARWIN__) || defined(__NetBSD__) || defined(__sun__)) +/* + * Unknown libc -- assume musl. Note: musl deliberately does not provide a musl-specific + * feature test macro, so we cannot check for it. + * + * sigaction is a weak alias for __sigaction, which is a wrapper for __libc_sigaction. + * There are libc-internal calls to __libc_sigaction which install handlers, so we must + * override __libc_sigaction rather than __sigaction. + */ +#include <dlfcn.h> +static int (*__next_sigaction)(int, const struct sigaction*, struct sigaction*); +#define init_done() (__next_sigaction != 0) +#define __SIGACTION __libc_sigaction +static void do_init(void) +{ + __next_sigaction = dlsym(RTLD_NEXT, "__libc_sigaction"); + if (__next_sigaction != 0) + return; + perror("dlsym"); + abort(); +} +#ifndef _NSIG +#define _NSIG NSIG +#endif +#define INIT() do { if (!init_done()) do_init(); } while (0) +#endif /* !(__GLIBC__ || __DARWIN__ || __NetBSD__ || __sun__) */ #if !defined(__NetBSD__) /* |