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authorRich Felker <dalias@aerifal.cx>2012-09-06 22:44:55 -0400
committerRich Felker <dalias@aerifal.cx>2012-09-06 22:44:55 -0400
commit400c5e5c8307a2ebe44ef1f203f5a15669f20347 (patch)
tree087a48dc8251fa05f6866af8ebf96b69450b15ab /include/mqueue.h
parentbac03cdde1137c16b4c194e137310e2748661dcc (diff)
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use restrict everywhere it's required by c99 and/or posix 2008
to deal with the fact that the public headers may be used with pre-c99 compilers, __restrict is used in place of restrict, and defined appropriately for any supported compiler. we also avoid the form [restrict] since older versions of gcc rejected it due to a bug in the original c99 standard, and instead use the form *restrict.
Diffstat (limited to 'include/mqueue.h')
-rw-r--r--include/mqueue.h10
1 files changed, 8 insertions, 2 deletions
diff --git a/include/mqueue.h b/include/mqueue.h
index 92e6ae5e..bd35842c 100644
--- a/include/mqueue.h
+++ b/include/mqueue.h
@@ -4,6 +4,12 @@
extern "C" {
#endif
+#if __STDC_VERSION__ >= 199901L
+#define __restrict restrict
+#elif !defined(__GNUC__)
+#define __restrict
+#endif
+
#define __NEED_size_t
#define __NEED_ssize_t
#define __NEED_pthread_attr_t
@@ -23,8 +29,8 @@ int mq_notify(mqd_t, const struct sigevent *);
mqd_t mq_open(const char *, int, ...);
ssize_t mq_receive(mqd_t, char *, size_t, unsigned *);
int mq_send(mqd_t, const char *, size_t, unsigned);
-int mq_setattr(mqd_t, const struct mq_attr *, struct mq_attr *);
-ssize_t mq_timedreceive(mqd_t, char *, size_t, unsigned *, const struct timespec *);
+int mq_setattr(mqd_t, const struct mq_attr *__restrict, struct mq_attr *__restrict);
+ssize_t mq_timedreceive(mqd_t, char *__restrict, size_t, unsigned *__restrict, const struct timespec *__restrict);
int mq_timedsend(mqd_t, const char *, size_t, unsigned, const struct timespec *);
int mq_unlink(const char *);