7a6f0dd01d
Backed out changeset b840c4565b11 (bug 1942805) Backed out changeset 7acecab7051d (bug 1620998) Backed out changeset bad9fd65a113 (bug 1620998) Backed out changeset 11b93a07b5b1 (bug 1620998) Backed out changeset c6e1addf36e0 (bug 1620998) Backed out changeset be300aa07606 (bug 1620998) Backed out changeset fb9daf29a61a (bug 1620998) Backed out changeset 2ee28adc6f8e (bug 1620998) Backed out changeset ef24c2b9784c (bug 1620998) Backed out changeset 8f5c82b3dbe5 (bug 1620998)
63 lines
2.4 KiB
C++
63 lines
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include <errno.h> // For EPERM
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#include <sys/syscall.h> // For syscall()
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#include <unistd.h>
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#include "mozilla/Assertions.h"
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extern "C" {
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#if defined(__ANDROID_API__) && (__ANDROID_API__ < 24)
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// Bionic introduced support for getgrgid_r() and getgrnam_r() only in version
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// 24 (that is Android Nougat / 7.0). Since GeckoView is built with version 21,
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// those functions aren't defined, but nix needs them and minidump-writer
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// relies on nix. These functions should never be called in practice hence we
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// implement them only to satisfy nix linking requirements but we crash if we
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// accidentally enter them.
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int getgrgid_r(gid_t gid, struct group* grp, char* buf, size_t buflen,
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struct group** result) {
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MOZ_CRASH("getgrgid_r() is not available");
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return EPERM;
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}
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int getgrnam_r(const char* name, struct group* grp, char* buf, size_t buflen,
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struct group** result) {
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MOZ_CRASH("getgrnam_r() is not available");
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return EPERM;
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}
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#endif // __ANDROID_API__ && (__ANDROID_API__ < 24)
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#if defined(__ANDROID_API__) && (__ANDROID_API__ < 23)
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// Bionic introduced support for process_vm_readv() and process_vm_writev() only
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// in version 23 (that is Android Marshmallow / 6.0). Since GeckoView is built
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// on version 21, those functions aren't defined, but nix needs them and
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// minidump-writer actually calls them.
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ssize_t process_vm_readv(pid_t pid, const struct iovec* local_iov,
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unsigned long int liovcnt,
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const struct iovec* remote_iov,
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unsigned long int riovcnt, unsigned long int flags) {
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return syscall(__NR_process_vm_readv, pid, local_iov, liovcnt, remote_iov,
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riovcnt, flags);
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}
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ssize_t process_vm_writev(pid_t pid, const struct iovec* local_iov,
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unsigned long int liovcnt,
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const struct iovec* remote_iov,
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unsigned long int riovcnt, unsigned long int flags) {
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return syscall(__NR_process_vm_writev, pid, local_iov, liovcnt, remote_iov,
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riovcnt, flags);
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}
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#endif // defined(__ANDROID_API__) && (__ANDROID_API__ < 23)
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}
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