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shared: add macros for declaration attribute to "nm-std-aux.h"

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Thomas Haller 2020-07-04 18:44:01 +02:00
parent 030d68aef7
commit 5361317f68
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GPG key ID: 29C2366E4DFC5728
2 changed files with 46 additions and 47 deletions
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47
shared/nm-glib-aux/nm-macros-internal.h
View file

@ -16,53 +16,6 @@
/*****************************************************************************/
#define _nm_packed __attribute__ ((__packed__))
#define _nm_unused __attribute__ ((__unused__))
#define _nm_used __attribute__ ((__used__))
#define _nm_pure __attribute__ ((__pure__))
#define _nm_const __attribute__ ((__const__))
#define _nm_printf(a,b) __attribute__ ((__format__ (__printf__, a, b)))
#define _nm_align(s) __attribute__ ((__aligned__ (s)))
#define _nm_section(s) __attribute__ ((__section__ (s)))
#define _nm_alignof(type) __alignof (type)
#define _nm_alignas(type) _nm_align (_nm_alignof (type))
#define nm_auto(fcn) __attribute__ ((__cleanup__(fcn)))
/* This is required to make LTO working.
*
* See https://gitlab.freedesktop.org/NetworkManager/NetworkManager/merge_requests/76#note_112694
* https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48200#c28
*/
#ifndef __clang__
#define _nm_externally_visible __attribute__ ((__externally_visible__))
#else
#define _nm_externally_visible
#endif
#if __GNUC__ >= 7
#define _nm_fallthrough __attribute__ ((__fallthrough__))
#else
#define _nm_fallthrough
#endif
/*****************************************************************************/
#ifdef thread_local
#define _nm_thread_local thread_local
/*
* Don't break on glibc < 2.16 that doesn't define __STDC_NO_THREADS__
* see http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53769
*/
#elif __STDC_VERSION__ >= 201112L && !(defined(__STDC_NO_THREADS__) || (defined(__GNU_LIBRARY__) && __GLIBC__ == 2 && __GLIBC_MINOR__ < 16))
#define _nm_thread_local _Thread_local
#else
#define _nm_thread_local __thread
#endif
/*****************************************************************************/
/* most of our code is single-threaded with a mainloop. Hence, we usually don't need
* any thread-safety. Sometimes, we do need thread-safety (nm-logging), but we can
* avoid locking if we are on the main-thread by:

46
shared/nm-std-aux/nm-std-aux.h
View file

@ -7,6 +7,52 @@
/*****************************************************************************/
#define _nm_packed __attribute__ ((__packed__))
#define _nm_unused __attribute__ ((__unused__))
#define _nm_used __attribute__ ((__used__))
#define _nm_pure __attribute__ ((__pure__))
#define _nm_const __attribute__ ((__const__))
#define _nm_printf(a,b) __attribute__ ((__format__ (__printf__, a, b)))
#define _nm_align(s) __attribute__ ((__aligned__ (s)))
#define _nm_section(s) __attribute__ ((__section__ (s)))
#define _nm_alignof(type) __alignof (type)
#define _nm_alignas(type) _nm_align (_nm_alignof (type))
#define nm_auto(fcn) __attribute__ ((__cleanup__(fcn)))
/* This is required to make LTO working.
*
* See https://gitlab.freedesktop.org/NetworkManager/NetworkManager/merge_requests/76#note_112694
* https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48200#c28
*/
#ifndef __clang__
#define _nm_externally_visible __attribute__ ((__externally_visible__))
#else
#define _nm_externally_visible
#endif
#if __GNUC__ >= 7
#define _nm_fallthrough __attribute__ ((__fallthrough__))
#else
#define _nm_fallthrough
#endif
/*****************************************************************************/
#ifdef thread_local
#define _nm_thread_local thread_local
/*
* Don't break on glibc < 2.16 that doesn't define __STDC_NO_THREADS__
* see http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53769
*/
#elif __STDC_VERSION__ >= 201112L && !(defined(__STDC_NO_THREADS__) || (defined(__GNU_LIBRARY__) && __GLIBC__ == 2 && __GLIBC_MINOR__ < 16))
#define _nm_thread_local _Thread_local
#else
#define _nm_thread_local __thread
#endif
/*****************************************************************************/
#if defined(__GNUC__) && (__GNUC__ > 2) && defined(__OPTIMIZE__)
#define NM_BOOLEAN_EXPR(expr) \
({ \