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i#58 MacOS: Mac signal handling code, part 1:
Puts some pieces in place, like the signal lists, but is missing context and floating-point support. Added assert that sigset struct matches int for the type difference. SVN-Revision: 2313
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| Original file line number | Diff line number | Diff line change |
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| /* ******************************************************************************* | ||
| * Copyright (c) 2013 Google, Inc. All rights reserved. | ||
| * *******************************************************************************/ | ||
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| /* | ||
| * Redistribution and use in source and binary forms, with or without | ||
| * modification, are permitted provided that the following conditions are met: | ||
| * | ||
| * * Redistributions of source code must retain the above copyright notice, | ||
| * this list of conditions and the following disclaimer. | ||
| * | ||
| * * Redistributions in binary form must reproduce the above copyright notice, | ||
| * this list of conditions and the following disclaimer in the documentation | ||
| * and/or other materials provided with the distribution. | ||
| * | ||
| * * Neither the name of VMware, Inc. nor the names of its contributors may be | ||
| * used to endorse or promote products derived from this software without | ||
| * specific prior written permission. | ||
| * | ||
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | ||
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
| * ARE DISCLAIMED. IN NO EVENT SHALL VMWARE, INC. OR CONTRIBUTORS BE LIABLE | ||
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | ||
| * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | ||
| * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH | ||
| * DAMAGE. | ||
| */ | ||
|
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| /* | ||
| * signal_macos.c - MacOS-specific signal code | ||
| * | ||
| * FIXME i#58: NYI (see comments below as well): | ||
| * + many pieces are not at all implemented, but it should be straightforward | ||
| * + longer-term i#1291: use raw syscalls instead of libSystem wrappers | ||
| */ | ||
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| #include "signal_private.h" /* pulls in globals.h for us, in right order */ | ||
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| #ifndef MACOS | ||
| # error Mac-only | ||
| #endif | ||
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| /* based on xnu bsd/sys/signalvar.h */ | ||
| int default_action[] = { | ||
| 0, /* 0 unused */ | ||
| DEFAULT_TERMINATE, /* 1 SIGHUP */ | ||
| DEFAULT_TERMINATE, /* 2 SIGINT */ | ||
| DEFAULT_TERMINATE_CORE, /* 3 SIGQUIT */ | ||
| DEFAULT_TERMINATE_CORE, /* 4 SIGILL */ | ||
| DEFAULT_TERMINATE_CORE, /* 5 SIGTRAP */ | ||
| DEFAULT_TERMINATE_CORE, /* 6 SIGABRT/SIGIOT */ | ||
| DEFAULT_TERMINATE_CORE, /* 7 SIGEMT/SIGPOLL */ | ||
| DEFAULT_TERMINATE_CORE, /* 8 SIGFPE */ | ||
| DEFAULT_TERMINATE, /* 9 SIGKILL */ | ||
| DEFAULT_TERMINATE_CORE, /* 10 SIGBUS */ | ||
| DEFAULT_TERMINATE_CORE, /* 11 SIGSEGV */ | ||
| DEFAULT_TERMINATE_CORE, /* 12 SIGSYS */ | ||
| DEFAULT_TERMINATE, /* 13 SIGPIPE */ | ||
| DEFAULT_TERMINATE, /* 14 SIGALRM */ | ||
| DEFAULT_TERMINATE, /* 15 SIGTERM */ | ||
| DEFAULT_IGNORE, /* 16 SIGURG */ | ||
| DEFAULT_STOP, /* 17 SIGSTOP */ | ||
| DEFAULT_STOP, /* 18 SIGTSTP */ | ||
| DEFAULT_CONTINUE, /* 19 SIGCONT */ | ||
| DEFAULT_IGNORE, /* 20 SIGCHLD */ | ||
| DEFAULT_STOP, /* 21 SIGTTIN */ | ||
| DEFAULT_STOP, /* 22 SIGTTOU */ | ||
| DEFAULT_IGNORE, /* 23 SIGIO */ | ||
| DEFAULT_TERMINATE, /* 24 SIGXCPU */ | ||
| DEFAULT_TERMINATE, /* 25 SIGXFSZ */ | ||
| DEFAULT_TERMINATE, /* 26 SIGVTALRM */ | ||
| DEFAULT_TERMINATE, /* 27 SIGPROF */ | ||
| DEFAULT_IGNORE, /* 28 SIGWINCH */ | ||
| DEFAULT_IGNORE, /* 29 SIGINFO */ | ||
| DEFAULT_TERMINATE, /* 30 SIGUSR1 */ | ||
| DEFAULT_TERMINATE, /* 31 SIGUSR2 */ | ||
| /* no real-time support */ | ||
| }; | ||
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| bool can_always_delay[] = { | ||
| true, /* 0 unused */ | ||
| true, /* 1 SIGHUP */ | ||
| true, /* 2 SIGINT */ | ||
| true, /* 3 SIGQUIT */ | ||
| false, /* 4 SIGILL */ | ||
| false, /* 5 SIGTRAP */ | ||
| false, /* 6 SIGABRT/SIGIOT */ | ||
| true, /* 7 SIGEMT/SIGPOLL */ | ||
| false, /* 8 SIGFPE */ | ||
| true, /* 9 SIGKILL */ | ||
| false, /* 10 SIGBUS */ | ||
| false, /* 11 SIGSEGV */ | ||
| false, /* 12 SIGSYS */ | ||
| false, /* 13 SIGPIPE */ | ||
| true, /* 14 SIGALRM */ | ||
| true, /* 15 SIGTERM */ | ||
| true, /* 16 SIGURG */ | ||
| true, /* 17 SIGSTOP */ | ||
| true, /* 18 SIGTSTP */ | ||
| true, /* 19 SIGCONT */ | ||
| true, /* 20 SIGCHLD */ | ||
| true, /* 21 SIGTTIN */ | ||
| true, /* 22 SIGTTOU */ | ||
| true, /* 23 SIGIO */ | ||
| false, /* 24 SIGXCPU */ | ||
| true, /* 25 SIGXFSZ */ | ||
| true, /* 26 SIGVTALRM */ | ||
| true, /* 27 SIGPROF */ | ||
| true, /* 28 SIGWINCH */ | ||
| true, /* 29 SIGINFO */ | ||
| true, /* 30 SIGUSR1 */ | ||
| true, /* 31 SIGUSR2 */ | ||
| /* no real-time support */ | ||
| }; | ||
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| void | ||
| save_fpstate(dcontext_t *dcontext, sigframe_rt_t *frame) | ||
| { | ||
| ASSERT_NOT_IMPLEMENTED(false); /* FIXME i#58: MacOS signal handling NYI */ | ||
| } | ||
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| void | ||
| sigcontext_to_mcontext_mm(priv_mcontext_t *mc, sigcontext_t *sc) | ||
| { | ||
| ASSERT_NOT_IMPLEMENTED(false); /* FIXME i#58: MacOS signal handling NYI */ | ||
| } | ||
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| void | ||
| mcontext_to_sigcontext_mm(sigcontext_t *sc, priv_mcontext_t *mc) | ||
| { | ||
| ASSERT_NOT_IMPLEMENTED(false); /* FIXME i#58: MacOS signal handling NYI */ | ||
| } | ||
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| void | ||
| dump_sigcontext(dcontext_t *dcontext, sigcontext_t *sc) | ||
| { | ||
| ASSERT_NOT_IMPLEMENTED(false); /* FIXME i#58: MacOS signal handling NYI */ | ||
| } |
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