228 lines
6.6 KiB
C
228 lines
6.6 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
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*
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* Copyright (C) 2012,2015 Colin Walters <walters@verbum.org>.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#pragma once
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#include <gio/gio.h>
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#include <errno.h>
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G_BEGIN_DECLS
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#define GLNX_DEFINE_CLEANUP_FUNCTION(Type, name, func) \
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static inline void name (void *v) \
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{ \
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func (*(Type*)v); \
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}
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#define GLNX_DEFINE_CLEANUP_FUNCTION0(Type, name, func) \
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static inline void name (void *v) \
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{ \
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if (*(Type*)v) \
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func (*(Type*)v); \
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}
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/**
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* glnx_free:
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*
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* Call g_free() on a variable location when it goes out of scope.
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*/
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#define glnx_free __attribute__ ((cleanup(glnx_local_free)))
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#ifdef GLNX_GSYSTEM_COMPAT
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#define gs_free __attribute__ ((cleanup(glnx_local_free)))
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#endif
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GLNX_DEFINE_CLEANUP_FUNCTION(void*, glnx_local_free, g_free)
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/**
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* glnx_unref_object:
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*
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* Call g_object_unref() on a variable location when it goes out of
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* scope. Note that unlike g_object_unref(), the variable may be
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* %NULL.
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*/
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#define glnx_unref_object __attribute__ ((cleanup(glnx_local_obj_unref)))
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#ifdef GLNX_GSYSTEM_COMPAT
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#define gs_unref_object __attribute__ ((cleanup(glnx_local_obj_unref)))
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#endif
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GLNX_DEFINE_CLEANUP_FUNCTION0(GObject*, glnx_local_obj_unref, g_object_unref)
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/**
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* glnx_unref_variant:
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*
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* Call g_variant_unref() on a variable location when it goes out of
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* scope. Note that unlike g_variant_unref(), the variable may be
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* %NULL.
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*/
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#define glnx_unref_variant __attribute__ ((cleanup(glnx_local_variant_unref)))
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#ifdef GLNX_GSYSTEM_COMPAT
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#define gs_unref_variant __attribute__ ((cleanup(glnx_local_variant_unref)))
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#endif
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GLNX_DEFINE_CLEANUP_FUNCTION0(GVariant*, glnx_local_variant_unref, g_variant_unref)
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/**
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* glnx_free_variant_iter:
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*
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* Call g_variant_iter_free() on a variable location when it goes out of
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* scope.
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*/
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#define glnx_free_variant_iter __attribute__ ((cleanup(glnx_local_variant_iter_free)))
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GLNX_DEFINE_CLEANUP_FUNCTION0(GVariantIter*, glnx_local_variant_iter_free, g_variant_iter_free)
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/**
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* glnx_free_variant_builder:
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*
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* Call g_variant_builder_unref() on a variable location when it goes out of
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* scope.
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*/
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#define glnx_unref_variant_builder __attribute__ ((cleanup(glnx_local_variant_builder_unref)))
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GLNX_DEFINE_CLEANUP_FUNCTION0(GVariantBuilder*, glnx_local_variant_builder_unref, g_variant_builder_unref)
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/**
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* glnx_unref_array:
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*
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* Call g_array_unref() on a variable location when it goes out of
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* scope. Note that unlike g_array_unref(), the variable may be
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* %NULL.
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*/
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#define glnx_unref_array __attribute__ ((cleanup(glnx_local_array_unref)))
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GLNX_DEFINE_CLEANUP_FUNCTION0(GArray*, glnx_local_array_unref, g_array_unref)
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/**
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* glnx_unref_ptrarray:
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*
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* Call g_ptr_array_unref() on a variable location when it goes out of
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* scope. Note that unlike g_ptr_array_unref(), the variable may be
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* %NULL.
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*/
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#define glnx_unref_ptrarray __attribute__ ((cleanup(glnx_local_ptrarray_unref)))
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#ifdef GLNX_GSYSTEM_COMPAT
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#define gs_unref_ptrarray __attribute__ ((cleanup(glnx_local_ptrarray_unref)))
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#endif
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GLNX_DEFINE_CLEANUP_FUNCTION0(GPtrArray*, glnx_local_ptrarray_unref, g_ptr_array_unref)
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/**
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* glnx_unref_hashtable:
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*
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* Call g_hash_table_unref() on a variable location when it goes out
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* of scope. Note that unlike g_hash_table_unref(), the variable may
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* be %NULL.
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*/
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#define glnx_unref_hashtable __attribute__ ((cleanup(glnx_local_hashtable_unref)))
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#ifdef GLNX_GSYSTEM_COMPAT
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#define gs_unref_hashtable __attribute__ ((cleanup(glnx_local_hashtable_unref)))
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#endif
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GLNX_DEFINE_CLEANUP_FUNCTION0(GHashTable*, glnx_local_hashtable_unref, g_hash_table_unref)
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/**
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* glnx_free_list:
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*
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* Call g_list_free() on a variable location when it goes out
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* of scope.
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*/
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#define glnx_free_list __attribute__ ((cleanup(glnx_local_free_list)))
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GLNX_DEFINE_CLEANUP_FUNCTION(GList*, glnx_local_free_list, g_list_free)
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/**
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* glnx_free_slist:
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*
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* Call g_slist_free() on a variable location when it goes out
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* of scope.
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*/
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#define glnx_free_slist __attribute__ ((cleanup(glnx_local_free_slist)))
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GLNX_DEFINE_CLEANUP_FUNCTION(GSList*, glnx_local_free_slist, g_slist_free)
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/**
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* glnx_free_checksum:
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*
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* Call g_checksum_free() on a variable location when it goes out
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* of scope. Note that unlike g_checksum_free(), the variable may
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* be %NULL.
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*/
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#define glnx_free_checksum __attribute__ ((cleanup(glnx_local_checksum_free)))
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GLNX_DEFINE_CLEANUP_FUNCTION0(GChecksum*, glnx_local_checksum_free, g_checksum_free)
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/**
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* glnx_unref_bytes:
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*
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* Call g_bytes_unref() on a variable location when it goes out
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* of scope. Note that unlike g_bytes_unref(), the variable may
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* be %NULL.
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*/
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#define glnx_unref_bytes __attribute__ ((cleanup(glnx_local_bytes_unref)))
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GLNX_DEFINE_CLEANUP_FUNCTION0(GBytes*, glnx_local_bytes_unref, g_bytes_unref)
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/**
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* glnx_strfreev:
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*
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* Call g_strfreev() on a variable location when it goes out of scope.
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*/
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#define glnx_strfreev __attribute__ ((cleanup(glnx_local_strfreev)))
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GLNX_DEFINE_CLEANUP_FUNCTION(char**, glnx_local_strfreev, g_strfreev)
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/**
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* glnx_free_error:
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*
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* Call g_error_free() on a variable location when it goes out of scope.
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*/
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#define glnx_free_error __attribute__ ((cleanup(glnx_local_free_error)))
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GLNX_DEFINE_CLEANUP_FUNCTION0(GError*, glnx_local_free_error, g_error_free)
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/**
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* glnx_unref_keyfile:
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*
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* Call g_key_file_unref() on a variable location when it goes out of scope.
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*/
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#define glnx_unref_keyfile __attribute__ ((cleanup(glnx_local_keyfile_unref)))
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GLNX_DEFINE_CLEANUP_FUNCTION0(GKeyFile*, glnx_local_keyfile_unref, g_key_file_unref)
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static inline void
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glnx_cleanup_close_fdp (int *fdp)
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{
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int fd, errsv;
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g_assert (fdp);
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fd = *fdp;
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if (fd >= 0)
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{
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errsv = errno;
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(void) close (fd);
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errno = errsv;
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}
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}
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/**
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* glnx_fd_close:
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*
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* Call close() on a variable location when it goes out of scope.
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*/
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#define glnx_fd_close __attribute__((cleanup(glnx_cleanup_close_fdp)))
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static inline int
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glnx_steal_fd (int *fdp)
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{
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int fd = *fdp;
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*fdp = -1;
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return fd;
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}
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G_END_DECLS
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