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author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-06-21 06:54:58 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-06-21 06:54:58 +0000 |
commit | 3d9c550bf91da943f196e71c821953c20ca601dd (patch) | |
tree | f3c99430494b9cd63d979430681a275feffc69ba /configure.in | |
parent | 7ae9072fdf5856abb3197e08dac030bbcb5cad52 (diff) | |
download | ruby-3d9c550bf91da943f196e71c821953c20ca601dd.tar.gz |
* configure.in: check if fork works with pthread.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@17496 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'configure.in')
-rw-r--r-- | configure.in | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/configure.in b/configure.in index c15d747bcc..da8518f440 100644 --- a/configure.in +++ b/configure.in @@ -766,6 +766,64 @@ AC_DEFINE_UNQUOTED([RUBY_SETJMP(env)], [${setjmp_prefix}setjmp(env${setjmp_sigma AC_DEFINE_UNQUOTED([RUBY_LONGJMP(env,val)], [${setjmp_prefix}longjmp(env,val)]) AC_DEFINE_UNQUOTED(RUBY_JMP_BUF, ${setjmp_sigmask+${setjmp_prefix}}jmp_buf) + +case $target_os in +*bsd*|darwin*) +AC_CACHE_CHECK([if fork works with pthread], rb_cv_fork_with_pthread, +[AC_TRY_RUN([ +#include <stdlib.h> +#include <unistd.h> +#include <pthread.h> +#include <stdio.h> +#include <sys/types.h> +#include <sys/wait.h> +#include <signal.h> + +void * +thread_func(void *dmy) +{ + return dmy; +} + +void *use_threads(void) +{ + pthread_t tid; + if (pthread_create(&tid, 0, thread_func, 0) != 0) { + exit(1); + } + if (pthread_join(tid, 0) != 0) { + exit(1); + } +} + +int +main(int argc, char *argv[]) +{ + pid_t pid; + use_threads(); + pid = fork(); + + if (pid) { + int loc; + sleep(1); + if (waitpid(pid, &loc, WNOHANG) == 0) { + kill(pid, SIGKILL); + return 1; + } + } + else { + use_threads(); + } + + return 0; +}] + rb_cv_fork_with_pthread=yes, + rb_cv_fork_with_pthread=no, + rb_cv_fork_with_pthread=yes)]) + ;; +esac +test x$rb_cv_fork_with_pthread = xyes || AC_DEFINE(CANNOT_FORK_WITH_PTHREAD) + AC_ARG_ENABLE(setreuid, [ --enable-setreuid use setreuid()/setregid() according to need even if obsolete.], [use_setreuid=$enableval]) |