| 1 | //===-- PosixSpawnResponsible.h ---------------------------------*- C++ -*-===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #ifndef LLDB_HOST_POSIXSPAWNRESPONSIBLE_H |
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| 10 | #define LLDB_HOST_POSIXSPAWNRESPONSIBLE_H |
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| 11 | |
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| 12 | #include <spawn.h> |
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| 13 | |
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| 14 | #if __has_include(<responsibility.h>) |
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| 15 | #include <dispatch/dispatch.h> |
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| 16 | #include <dlfcn.h> |
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| 17 | #include <responsibility.h> |
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| 18 | |
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| 19 | // Older SDKs have responsibility.h but not this particular function. Let's |
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| 20 | // include the prototype here. |
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| 21 | errno_t responsibility_spawnattrs_setdisclaim(posix_spawnattr_t *attrs, |
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| 22 | bool disclaim); |
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| 23 | |
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| 24 | #endif |
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| 25 | |
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| 26 | static inline int setup_posix_spawn_responsible_flag(posix_spawnattr_t *attr) { |
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| 27 | if (@available(macOS 10.14, *)) { |
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| 28 | #if __has_include(<responsibility.h>) |
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| 29 | static __typeof__(responsibility_spawnattrs_setdisclaim) |
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| 30 | *responsibility_spawnattrs_setdisclaim_ptr; |
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| 31 | static dispatch_once_t pred; |
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| 32 | dispatch_once(&pred, ^{ |
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| 33 | responsibility_spawnattrs_setdisclaim_ptr = |
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| 34 | reinterpret_cast<__typeof__(&responsibility_spawnattrs_setdisclaim)> |
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| 35 | (dlsym(RTLD_DEFAULT, "responsibility_spawnattrs_setdisclaim" )); |
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| 36 | }); |
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| 37 | if (responsibility_spawnattrs_setdisclaim_ptr) |
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| 38 | return responsibility_spawnattrs_setdisclaim_ptr(attr, true); |
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| 39 | #endif |
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| 40 | } |
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| 41 | return 0; |
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| 42 | } |
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| 43 | |
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| 44 | #endif // LLDB_HOST_POSIXSPAWNRESPONSIBLE_H |
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| 45 | |
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