ruby-changes:5988
From: nobu <ko1@a...>
Date: Sat, 21 Jun 2008 15:55:14 +0900 (JST)
Subject: [ruby-changes:5988] Ruby:r17496 (trunk): * configure.in: check if fork works with pthread.
nobu 2008-06-21 15:54:58 +0900 (Sat, 21 Jun 2008) New Revision: 17496 Modified files: trunk/ChangeLog trunk/configure.in Log: * configure.in: check if fork works with pthread. http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/ChangeLog?r1=17496&r2=17495&diff_format=u http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/configure.in?r1=17496&r2=17495&diff_format=u Index: configure.in =================================================================== --- configure.in (revision 17495) +++ configure.in (revision 17496) @@ -766,6 +766,64 @@ 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]) Index: ChangeLog =================================================================== --- ChangeLog (revision 17495) +++ ChangeLog (revision 17496) @@ -1,3 +1,7 @@ +Sat Jun 21 15:54:55 2008 Nobuyoshi Nakada <nobu@r...> + + * configure.in: check if fork works with pthread. + Sat Jun 21 15:31:09 2008 Nobuyoshi Nakada <nobu@r...> * tool/make-snapshot: ported to ruby. -- ML: ruby-changes@q... Info: http://www.atdot.net/~ko1/quickml/