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* configure.in (rb_cv_fork_with_pthread): check after check for

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pthread library, and define the macro when checked only.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@17559 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2008-06-24 08:20:42 +00:00
parent a0e7746d78
commit ac531a8aa8
2 changed files with 68 additions and 58 deletions
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5
ChangeLog
View file

@ -1,3 +1,8 @@
Tue Jun 24 17:20:39 2008 Nobuyoshi Nakada <nobu@ruby-lang.org>
* configure.in (rb_cv_fork_with_pthread): check after check for
pthread library, and define the macro when checked only.
Tue Jun 24 17:04:39 2008 NAKAMURA Usaku <usa@ruby-lang.org>
* ext/io/wait/extconf.rb: check sys/socket.h for cygwin.

121
configure.in
View file

@ -766,64 +766,6 @@ 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=$enableval])
@ -1161,6 +1103,69 @@ if test x"$ac_cv_header_ucontext_h" = xyes; then
fi
fi
if test "$ac_cv_func_fork" = "yes" -a "$rb_with_pthread" = "yes"; then
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>
#ifndef EXIT_SUCCESS
#define EXIT_SUCCESS 0
#endif
#ifndef EXIT_FAILURE
#define EXIT_FAILURE 1
#endif
void *
thread_func(void *dmy)
{
return dmy;
}
int
use_threads(void)
{
pthread_t tid;
if (pthread_create(&tid, 0, thread_func, 0) != 0) {
return -1;
}
if (pthread_join(tid, 0) != 0) {
return -1;
}
return 0;
}
int
main(int argc, char *argv[])
{
pid_t pid;
if (use_threads()) return EXIT_FAILURE;
pid = fork();
if (pid) {
int loc;
sleep(1);
if (waitpid(pid, &loc, WNOHANG) == 0) {
kill(pid, SIGKILL);
return EXIT_FAILURE;
}
}
else {
if (use_threads()) return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}]
rb_cv_fork_with_pthread=yes,
rb_cv_fork_with_pthread=no,
rb_cv_fork_with_pthread=yes)])
test x$rb_cv_fork_with_pthread = xyes || AC_DEFINE(CANNOT_FORK_WITH_PTHREAD)
fi
AC_CHECK_FUNCS(backtrace)
AC_ARG_WITH(valgrind,