diff options
Diffstat (limited to 'erts/emulator/sys/unix')
| -rw-r--r-- | erts/emulator/sys/unix/sys.c | 67 | ||||
| -rw-r--r-- | erts/emulator/sys/unix/sys_float.c | 7 |
2 files changed, 56 insertions, 18 deletions
diff --git a/erts/emulator/sys/unix/sys.c b/erts/emulator/sys/unix/sys.c index bfc04faa45..bafbbb0f6c 100644 --- a/erts/emulator/sys/unix/sys.c +++ b/erts/emulator/sys/unix/sys.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1996-2010. All Rights Reserved. + * Copyright Ericsson AB 1996-2011. All Rights Reserved. * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in @@ -53,6 +53,11 @@ #define WANT_NONBLOCKING /* must define this to pull in defs from sys.h */ #include "sys.h" +#if defined(__APPLE__) && defined(__MACH__) && !defined(__DARWIN__) +#define __DARWIN__ 1 +#endif + + #ifdef USE_THREADS #include "erl_threads.h" #endif @@ -160,14 +165,14 @@ static int debug_log = 0; #endif #ifdef ERTS_SMP -erts_smp_atomic_t erts_got_sigusr1; +erts_smp_atomic32_t erts_got_sigusr1; #define ERTS_SET_GOT_SIGUSR1 \ - erts_smp_atomic_set(&erts_got_sigusr1, 1) + erts_smp_atomic32_set(&erts_got_sigusr1, 1) #define ERTS_UNSET_GOT_SIGUSR1 \ - erts_smp_atomic_set(&erts_got_sigusr1, 0) -static erts_smp_atomic_t have_prepared_crash_dump; + erts_smp_atomic32_set(&erts_got_sigusr1, 0) +static erts_smp_atomic32_t have_prepared_crash_dump; #define ERTS_PREPARED_CRASH_DUMP \ - ((int) erts_smp_atomic_xchg(&have_prepared_crash_dump, 1)) + ((int) erts_smp_atomic32_xchg(&have_prepared_crash_dump, 1)) #else volatile int erts_got_sigusr1; #define ERTS_SET_GOT_SIGUSR1 (erts_got_sigusr1 = 1) @@ -235,11 +240,11 @@ static int max_files = -1; * a few variables used by the break handler */ #ifdef ERTS_SMP -erts_smp_atomic_t erts_break_requested; +erts_smp_atomic32_t erts_break_requested; #define ERTS_SET_BREAK_REQUESTED \ - erts_smp_atomic_set(&erts_break_requested, (erts_aint_t) 1) + erts_smp_atomic32_set(&erts_break_requested, (erts_aint32_t) 1) #define ERTS_UNSET_BREAK_REQUESTED \ - erts_smp_atomic_set(&erts_break_requested, (erts_aint_t) 0) + erts_smp_atomic32_set(&erts_break_requested, (erts_aint32_t) 0) #else volatile int erts_break_requested = 0; #define ERTS_SET_BREAK_REQUESTED (erts_break_requested = 1) @@ -504,9 +509,9 @@ erts_sys_pre_init(void) #endif } #ifdef ERTS_SMP - erts_smp_atomic_init(&erts_break_requested, 0); - erts_smp_atomic_init(&erts_got_sigusr1, 0); - erts_smp_atomic_init(&have_prepared_crash_dump, 0); + erts_smp_atomic32_init(&erts_break_requested, 0); + erts_smp_atomic32_init(&erts_got_sigusr1, 0); + erts_smp_atomic32_init(&have_prepared_crash_dump, 0); #else erts_break_requested = 0; erts_got_sigusr1 = 0; @@ -2989,11 +2994,27 @@ init_smp_sig_notify(void) NULL, &thr_opts); } +#ifdef __DARWIN__ + +int erts_darwin_main_thread_pipe[2]; +int erts_darwin_main_thread_result_pipe[2]; + +static void initialize_darwin_main_thread_pipes(void) +{ + if (pipe(erts_darwin_main_thread_pipe) < 0 || + pipe(erts_darwin_main_thread_result_pipe) < 0) { + erl_exit(1,"Fatal error initializing Darwin main thread stealing"); + } +} +#endif void erts_sys_main_thread(void) { erts_thread_disable_fpe(); +#ifdef __DARWIN__ + initialize_darwin_main_thread_pipes(); +#endif /* Become signal receiver thread... */ #ifdef ERTS_ENABLE_LOCK_CHECK erts_lc_set_thread_name("signal_receiver"); @@ -3002,6 +3023,27 @@ erts_sys_main_thread(void) smp_sig_notify(0); /* Notify initialized */ while (1) { /* Wait for a signal to arrive... */ +#ifdef __DARWIN__ + /* + * The wx driver needs to be able to steal the main thread for Cocoa to + * work properly. + */ + fd_set readfds; + int res; + + FD_ZERO(&readfds); + FD_SET(erts_darwin_main_thread_pipe[0], &readfds); + res = select(erts_darwin_main_thread_pipe[0] + 1, &readfds, NULL, NULL, NULL); + if (res > 0 && FD_ISSET(erts_darwin_main_thread_pipe[0],&readfds)) { + void* (*func)(void*); + void* arg; + void *resp; + read(erts_darwin_main_thread_pipe[0],&func,sizeof(void* (*)(void*))); + read(erts_darwin_main_thread_pipe[0],&arg, sizeof(void*)); + resp = (*func)(arg); + write(erts_darwin_main_thread_result_pipe[1],&resp,sizeof(void *)); + } +#else #ifdef DEBUG int res = #else @@ -3010,6 +3052,7 @@ erts_sys_main_thread(void) select(0, NULL, NULL, NULL, NULL); ASSERT(res < 0); ASSERT(errno == EINTR); +#endif } } diff --git a/erts/emulator/sys/unix/sys_float.c b/erts/emulator/sys/unix/sys_float.c index 6e9376b0f3..8ec7b31ce0 100644 --- a/erts/emulator/sys/unix/sys_float.c +++ b/erts/emulator/sys/unix/sys_float.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2001-2010. All Rights Reserved. + * Copyright Ericsson AB 2001-2011. All Rights Reserved. * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in @@ -36,11 +36,6 @@ erts_sys_init_float(void) # endif } -static ERTS_INLINE void set_current_fp_exception(unsigned long pc) -{ - /* nothing to do */ -} - #else /* !NO_FPE_SIGNALS */ #ifdef ERTS_SMP |