From 7b09945585e6ce65049fa4039f26caee8daa44b9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andreas=20M=C3=BCller?= Date: Tue, 2 Apr 2019 01:34:35 +0200 Subject: [PATCH 1/2] Fix build with musl - systemd specific MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Networkmanager imported some code from systemd. This requires some adjustments for musl. Upstream-Status: Pending Signed-off-by: Andreas Müller --- shared/systemd/src/basic/in-addr-util.c | 1 + shared/systemd/src/basic/process-util.c | 9 ++++++++ shared/systemd/src/basic/socket-util.h | 6 +++++ shared/systemd/src/basic/stdio-util.h | 2 ++ shared/systemd/src/basic/string-util.h | 5 +++++ shared/systemd/src/basic/util.h | 29 +++++-------------------- 6 files changed, 28 insertions(+), 24 deletions(-) diff --git a/shared/systemd/src/basic/in-addr-util.c b/shared/systemd/src/basic/in-addr-util.c index 5ced350..c6b52b8 100644 --- a/shared/systemd/src/basic/in-addr-util.c +++ b/shared/systemd/src/basic/in-addr-util.c @@ -13,6 +13,7 @@ #include "in-addr-util.h" #include "macro.h" #include "parse-util.h" +#include "string-util.h" #include "util.h" bool in4_addr_is_null(const struct in_addr *a) { diff --git a/shared/systemd/src/basic/process-util.c b/shared/systemd/src/basic/process-util.c index b0afb5c..7adc8bd 100644 --- a/shared/systemd/src/basic/process-util.c +++ b/shared/systemd/src/basic/process-util.c @@ -21,6 +21,9 @@ #include #include #include +#ifndef __GLIBC__ +#include +#endif #if 0 /* NM_IGNORED */ #if HAVE_VALGRIND_VALGRIND_H #include @@ -1168,11 +1171,13 @@ void reset_cached_pid(void) { cached_pid = CACHED_PID_UNSET; } +#ifdef __GLIBC__ /* We use glibc __register_atfork() + __dso_handle directly here, as they are not included in the glibc * headers. __register_atfork() is mostly equivalent to pthread_atfork(), but doesn't require us to link against * libpthread, as it is part of glibc anyway. */ extern int __register_atfork(void (*prepare) (void), void (*parent) (void), void (*child) (void), void *dso_handle); extern void* __dso_handle _weak_; +#endif pid_t getpid_cached(void) { static bool installed = false; @@ -1201,7 +1206,11 @@ pid_t getpid_cached(void) { * only half-documented (glibc doesn't document it but LSB does — though only superficially) * we'll check for errors only in the most generic fashion possible. */ +#ifdef __GLIBC__ if (__register_atfork(NULL, NULL, reset_cached_pid, __dso_handle) != 0) { +#else + if (pthread_atfork(NULL, NULL, reset_cached_pid) != 0) { +#endif /* OOM? Let's try again later */ cached_pid = CACHED_PID_UNSET; return new_pid; diff --git a/shared/systemd/src/basic/socket-util.h b/shared/systemd/src/basic/socket-util.h index d2246a8..76f257f 100644 --- a/shared/systemd/src/basic/socket-util.h +++ b/shared/systemd/src/basic/socket-util.h @@ -13,6 +13,12 @@ #include #include +#if !defined(__GLIBC__) +/* SIOCGSTAMPNS from linux/asm-generic.h + * for src/systemd/src/libsystemd-network/sd-lldp.c */ +#include +#endif + #include "macro.h" #include "missing_socket.h" #include "sparse-endian.h" diff --git a/shared/systemd/src/basic/stdio-util.h b/shared/systemd/src/basic/stdio-util.h index dc67b6e..6336243 100644 --- a/shared/systemd/src/basic/stdio-util.h +++ b/shared/systemd/src/basic/stdio-util.h @@ -1,7 +1,9 @@ /* SPDX-License-Identifier: LGPL-2.1+ */ #pragma once +#if defined(__GLIBC__) #include +#endif #include #include #include diff --git a/shared/systemd/src/basic/string-util.h b/shared/systemd/src/basic/string-util.h index 38070ab..6b918e0 100644 --- a/shared/systemd/src/basic/string-util.h +++ b/shared/systemd/src/basic/string-util.h @@ -27,6 +27,11 @@ #define strcaseeq(a,b) (strcasecmp((a),(b)) == 0) #define strncaseeq(a, b, n) (strncasecmp((a), (b), (n)) == 0) +/* musl does not know strndupa */ +#if !defined(__GLIBC__) +#define strndupa(x,s) strncpy(alloca(strlen(x)+1),x,s) +#endif + int strcmp_ptr(const char *a, const char *b) _pure_; static inline bool streq_ptr(const char *a, const char *b) { diff --git a/shared/systemd/src/basic/util.h b/shared/systemd/src/basic/util.h index dc33d66..cc768e9 100644 --- a/shared/systemd/src/basic/util.h +++ b/shared/systemd/src/basic/util.h @@ -27,6 +27,11 @@ #include "macro.h" #include "time-util.h" +#if !defined(__GLIBC__) +typedef int (*__compar_fn_t) (const void*, const void*); +typedef __compar_fn_t comparison_fn_t; +#endif + size_t page_size(void) _pure_; #define PAGE_ALIGN(l) ALIGN_TO((l), page_size()) @@ -66,16 +71,6 @@ int prot_from_flags(int flags) _const_; bool in_initrd(void); void in_initrd_force(bool value); -void *xbsearch_r(const void *key, const void *base, size_t nmemb, size_t size, - __compar_d_fn_t compar, void *arg); - -#define typesafe_bsearch_r(k, b, n, func, userdata) \ - ({ \ - const typeof(b[0]) *_k = k; \ - int (*_func_)(const typeof(b[0])*, const typeof(b[0])*, typeof(userdata)) = func; \ - xbsearch_r((const void*) _k, (b), (n), sizeof((b)[0]), (__compar_d_fn_t) _func_, userdata); \ - }) - /** * Normal bsearch requires base to be nonnull. Here were require * that only if nmemb > 0. @@ -116,20 +111,6 @@ static inline void qsort_safe(void *base, size_t nmemb, size_t size, __compar_fn qsort_safe((p), (n), sizeof((p)[0]), (__compar_fn_t) _func_); \ }) -static inline void qsort_r_safe(void *base, size_t nmemb, size_t size, __compar_d_fn_t compar, void *userdata) { - if (nmemb <= 1) - return; - - assert(base); - qsort_r(base, nmemb, size, compar, userdata); -} - -#define typesafe_qsort_r(p, n, func, userdata) \ - ({ \ - int (*_func_)(const typeof(p[0])*, const typeof(p[0])*, typeof(userdata)) = func; \ - qsort_r_safe((p), (n), sizeof((p)[0]), (__compar_d_fn_t) _func_, userdata); \ - }) - /* Normal memcpy requires src to be nonnull. We do nothing if n is 0. */ static inline void memcpy_safe(void *dst, const void *src, size_t n) { if (n == 0) -- 2.20.1