diff options
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]) |