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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2018-08-08 11:17:36 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2018-08-10 07:14:43 +0200 |
| commit | aac36d153aa88d666a2a6a7a4a49520e3aec7c17 (patch) | |
| tree | 28b03009ca245d96555374641b4b0878c68148cc | |
| parent | bsp/atsam: Fix handling of slow SPI speeds. (diff) | |
| download | rtems-aac36d153aa88d666a2a6a7a4a49520e3aec7c17.tar.bz2 | |
posix: Add configure check for mprotect()
Update #3491.
| -rw-r--r-- | cpukit/configure.ac | 10 | ||||
| -rw-r--r-- | cpukit/posix/src/mprotect.c | 4 |
2 files changed, 14 insertions, 0 deletions
diff --git a/cpukit/configure.ac b/cpukit/configure.ac index 17c47f445e..1809973afe 100644 --- a/cpukit/configure.ac +++ b/cpukit/configure.ac @@ -116,6 +116,16 @@ RTEMS_CHECK_FUNC([pthread_getattr_np],[ #include <pthread.h>]) AC_LANG_PUSH(C) +AC_MSG_CHECKING([for mprotect(const void *, ...)]) +AC_COMPILE_IFELSE([AC_LANG_SOURCE([ +#include <sys/mman.h> +int mprotect(const void *, size_t, int); +])],[ +AC_MSG_RESULT([yes]) +AC_DEFINE(HAVE_MPROTECT_CONST, [], [mprotect(const void *, ...)]) +],[ +AC_MSG_RESULT([no]) +]) AC_MSG_CHECKING([for pthread_mutex_getprioceiling(const pthread_mutex_t *, ...)]) AC_COMPILE_IFELSE([AC_LANG_SOURCE([ #include <pthread.h> diff --git a/cpukit/posix/src/mprotect.c b/cpukit/posix/src/mprotect.c index 13017ce27c..76647c2700 100644 --- a/cpukit/posix/src/mprotect.c +++ b/cpukit/posix/src/mprotect.c @@ -31,7 +31,11 @@ #include <sys/mman.h> int mprotect( +#ifdef HAVE_MPROTECT_CONST const void *addr, +#else + void *addr, +#endif size_t len, int prot ) |