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| /* Copyright (C) 1991-2018 Free Software Foundation, Inc. | ||
| This file is part of the GNU C Library. | ||
| The GNU C Library is free software; you can redistribute it and/or | ||
| modify it under the terms of the GNU Lesser General Public | ||
| License as published by the Free Software Foundation; either | ||
| version 2.1 of the License, or (at your option) any later version. | ||
| The GNU C Library is distributed in the hope that it will be useful, | ||
| but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| Lesser General Public License for more details. | ||
| You should have received a copy of the GNU Lesser General Public | ||
| License along with the GNU C Library; if not, see | ||
| <http://www.gnu.org/licenses/>. */ | ||
|
|
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| #ifndef _SIGNAL_H | ||
| #define _SIGNAL_H | ||
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| #define _SIGSET_NWORDS (1024 / (8 * sizeof (unsigned long int))) | ||
| typedef struct | ||
| { | ||
| unsigned long int __val[_SIGSET_NWORDS]; | ||
| } __sigset_t; | ||
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| typedef __sigset_t sigset_t; | ||
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| struct sigaction | ||
| { | ||
| /* Signal handler. */ | ||
| #if defined __USE_POSIX199309 || defined __USE_XOPEN_EXTENDED | ||
| union | ||
| { | ||
| /* Used if SA_SIGINFO is not set. */ | ||
| void (*sa_handler) (int); | ||
| /* Used if SA_SIGINFO is set. */ | ||
| void (*sa_sigaction) (int, siginfo_t *, void *); | ||
| } | ||
| __sigaction_handler; | ||
| #define sa_handler __sigaction_handler.sa_handler | ||
| #define sa_sigaction __sigaction_handler.sa_sigaction | ||
| #else | ||
| void (*sa_handler) (int); | ||
| #endif | ||
|
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| /* Additional set of signals to be blocked. */ | ||
| __sigset_t sa_mask; | ||
|
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| /* Special flags. */ | ||
| int sa_flags; | ||
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| /* Restore handler. */ | ||
| void (*sa_restorer) (void); | ||
| }; | ||
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| #define __SI_MAX_SIZE 128 | ||
| #define __SI_PAD_SIZE ((__SI_MAX_SIZE / sizeof (int)) - 4) | ||
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| typedef struct | ||
| { | ||
| int si_signo; /* Signal number. */ | ||
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| int si_errno; /* If non-zero, an errno value associated with | ||
| this signal, as defined in <errno.h>. */ | ||
| int si_code; /* Signal code. */ | ||
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| int __pad0; | ||
| int _pad[__SI_PAD_SIZE]; | ||
| } siginfo_t; | ||
|
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| #endif |
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| // Licensed to the Apache Software Foundation (ASF) under one | ||
| // or more contributor license agreements. See the NOTICE file | ||
| // distributed with this work for additional information | ||
| // regarding copyright ownership. The ASF licenses this file | ||
| // to you under the Apache License, Version 2.0 (the | ||
| // "License"); you may not use this file except in compliance | ||
| // with the License. You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, | ||
| // software distributed under the License is distributed on an | ||
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| // KIND, either express or implied. See the License for the | ||
| // specific language governing permissions and limitations | ||
| // under the License. | ||
|
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| enclave { | ||
|
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| trusted { | ||
| /* define ECALLs here. */ | ||
|
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| }; | ||
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| untrusted { | ||
| int u_getpid_ocall(); | ||
| }; | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,43 @@ | ||
| // Licensed to the Apache Software Foundation (ASF) under one | ||
| // or more contributor license agreements. See the NOTICE file | ||
| // distributed with this work for additional information | ||
| // regarding copyright ownership. The ASF licenses this file | ||
| // to you under the Apache License, Version 2.0 (the | ||
| // "License"); you may not use this file except in compliance | ||
| // with the License. You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, | ||
| // software distributed under the License is distributed on an | ||
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| // KIND, either express or implied. See the License for the | ||
| // specific language governing permissions and limitations | ||
| // under the License. | ||
|
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| enclave { | ||
| include "signal.h" | ||
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| trusted { | ||
| /* define ECALLs here. */ | ||
| public int t_signal_handler_ecall([in]const siginfo_t *info); | ||
| }; | ||
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| untrusted { | ||
| int u_sigaction_ocall([out]int *error, | ||
| int signum, | ||
| [in] const struct sigaction *act, | ||
| [out] struct sigaction *oldact, | ||
| uint64_t enclave_id); | ||
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| int u_sigprocmask_ocall([out]int *error, | ||
| int signum, | ||
| [in] const sigset_t *set, | ||
| [out] sigset_t *oldset); | ||
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| int u_raise_ocall(int signum) allow(t_signal_handler_ecall); | ||
|
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| void u_signal_clear_ocall(uint64_t enclave_id); | ||
| }; | ||
| }; | ||
|
|
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