Mercurial > hg > octave-jordi > gnulib-hg
changeset 17705:cc3765e7c7ab
pthread: define thread-safe macros on some platforms
* m4/pthread.m4 (gl_PTHREAD_CHECK): Define macros needed
for thread-safe operation on some platforms.
| author | Pádraig Brady <P@draigBrady.com> |
|---|---|
| date | Fri, 13 Jun 2014 19:56:20 +0100 (2014-06-13) |
| parents | 208ef1a25d09 |
| children | c4d4dc68512b |
| files | ChangeLog m4/pthread.m4 |
| diffstat | 2 files changed, 20 insertions(+), 0 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +2014-06-14 Pádraig Brady <P@draigBrady.com> + + pthread: define thread-safe macros on some platforms + * m4/pthread.m4 (gl_PTHREAD_CHECK): Define macros needed + for thread-safe operation on some platforms. + 2014-06-13 Paul Eggert <eggert@cs.ucla.edu> regex: don't be multithreaded if USE_UNLOCKED_IO.
--- a/m4/pthread.m4 +++ b/m4/pthread.m4 @@ -88,6 +88,20 @@ fi AC_SUBST([LIB_PTHREAD]) + dnl Some systems optimize for single-threaded programs by default, and + dnl need special flags to disable these optimizations. For example, the + dnl definition of 'errno' in <errno.h>. + case "$host_os" in + aix* | freebsd*) + AC_DEFINE([_THREAD_SAFE], 1, + [Define on some systems, to enable only thread-safe operations.]) + ;; + osf* | solaris*) + AC_DEFINE([_REENTRANT], 1, + [Define on some systems, to enable only thread-safe operations.]) + ;; + esac + AC_REQUIRE([AC_C_RESTRICT]) ])